Research Database

Adaptive Governance of Multiple Resources based on Land-Sea Linkages of the Water Cycle: Application to Coral Reef Island Systems

Last Updated :2026/02/03

Basic Information

Basic information

Project Status	Full Research (FR)
Duration	Apr. 2019 - Mar. 2027
Research Program	Program2: Fair Use and Management of Diverse Resources
Project No.	14200145
Project Title	Adaptive Governance of Multiple Resources based on Land-Sea Linkages of the Water Cycle: Application to Coral Reef Island Systems
Abbreviated Title	LINKAGE Project
Project Leader	YASUMOTO Jun
URL	https://www.chikyu.ac.jp/rihn/activities/project/project/12/
Keywords	Coral Reef Island System, Land-Sea Linkages of Water Cycle, Use and Management of Natural Resources

Progress and Results (2025 Year)
　
Research purpose and content
Objectives and background

Coral reef islands distributed from the tropics to the subtropics have long relied on inherently limited freshwater resources such as groundwater and springs. Water plays a key role in connecting land and sea, sustaining coral reef ecosystems and people’s livelihoods through small-scale hydrological cycles. In recent decades, however, land-use change and socio-economic transformation have intensified pressures on both water quantity and water quality, raising concern over hydrologically mediated degradation of coral reef ecosystems. These pressures are further compounded by climate change, including shifts in precipitation patterns, sea-level rise, and ocean acidification, which together have serious impacts on the use of natural resources in island societies. Under these conditions, strengthening adaptive governance is essential to ensure the sustainable use of island water and fisheries resources and to build systems capable of responding to climate and social change.

Against this background, this project addresses three interlinked challenges on coral reef islands—declining and contaminated water resources, degradation of coastal ecosystems, and loss of ecosystem services. Centered on Land–Sea Linkage mediated by water circulation, the project aims to clarify interaction structures among multiple resources (e.g., water resources, forests, and coral reef ecosystems) and to develop theoretical and practical models of adaptive governance that enable their sustainable use. By comprehensively understanding water circulation as a mediator between land and sea from natural, social, and cultural perspectives, the project seeks to establish a coherent body of knowledge for reconstructing human–nature relationships under changing environmental conditions.

Specifically, the project will employ several interconnected approaches, including natural-science approaches—stable isotopes, environmental tracers, and metagenomic analyses—to elucidate the realities of land–sea water circulation and to assess and predict multi-resource responses to climate and socio-economic change. In parallel, historical-ecological methods will be used to reveal the cultural values and connections embedded in island life and to explore mechanisms that maintain community capability in resource-limited island communities. In addition, through behavioral science and institutional analysis, the project will clarify layered social structures and norms that link local governance with global institutions. By bridging scientific, local, and policy knowledge and visualizing their relationships, the project will promote knowledge integration and the creation of new values.

Through these interdisciplinary and transdisciplinary approaches, the project will conduct comparative research across coral reef islands in the western Pacific—including the Ryukyu Archipelago, Indonesia’s Wakatobi Islands, and Fiji—to identify both shared principles and diverse manifestations of adaptive governance under different cultural, institutional, and social conditions. Ultimately, the project aims to strengthen adaptive governance of multiple resources with water circulation as the central axis and to present a knowledge framework that contributes to the realization of resilient, nature-positive societies on coral reef islands.

How does the research contribute to the solution of the global environmental problems?

Global environmental change is driven by interacting pressures—climate change, biodiversity loss, land-use change, and pollution—pushing the Earth system beyond planetary boundaries. Coral reef islands exemplify this convergence: global-scale forcing directly intersects with local transformations in livelihoods (agriculture, livestock, fisheries, tourism) and governance. Excess nutrients delivered through groundwater, submarine groundwater discharge (SGD), and surface runoff disrupt nitrogen and phosphorus cycling and can accelerate coral bleaching and reef degradation.

This project advances an integrative, water-centered Land–Sea Linkage framework by combining: (i) hydrological and geochemical quantification of groundwater flow and material transport (including tracers/isotopes and numerical modeling), and (ii) ecological analysis linking nutrient/organic matter dynamics to coral and macroalgal community responses. By explicitly formalizing groundwater-mediated land–sea pathways and their ecological consequences, the project provides a scientific basis for multi-resource management that is transferable across island contexts. It also extends “Ridge to Reef” by incorporating social and cultural dimensions alongside biophysical processes, thereby strengthening the basis for integrated land–sea management.

By connecting scientific findings with local institutions, values, and practices, the project enhances adaptive capacity through learning and collaboration. Importantly, the project targets not only “conservation” but the continuous redesign of human–nature relationships under environmental change, grounded in locally embedded knowledge and decision-making. Comparative research enables bidirectional translation between locally grounded solutions and international frameworks (e.g., UNESCO Biosphere Reserves, SDGs, COP), supporting the co-design of governance arrangements that remain effective under accelerating environmental and socio-economic change.

Methodology, structure and schedule

The project is organized into four units spanning natural sciences, social sciences, and humanities. Each unit conducts specialized research while outcomes are integrated through knowledge bridging to support social implementation.

1) Land–Sea water/material cycles (Natural System Unit; NU)

NU quantifies land-to-sea fluxes of water, nutrients, and organic matter via groundwater/SGD/river runoff by integrating field observations with geochemical analyses (nutrients, trace elements, stable isotopes, tracers) and numerical modeling (e.g., 3-D circulation/groundwater models such as GETFLOWS and MODFLOW 6). Across islands with contrasting geology (limestone vs volcanic/complex geology), NU identifies dominant pathways and controlling conditions (freshwater lens scale, geomorphology, land use). NU also links nutrient dynamics to ecological responses through coral/macroalgal surveys and establishes exchangeable phosphate in seawater (EPS) in submarine sediments as an integrative indicator of land-based phosphorus loading, enabling the definition of thresholds (critical conditions) relevant to coral reef health.

2) Biocultural diversity and community capability (Community Capability Unit; CCU)

CCU reconstructs historical transformation of human–nature relationships through historical ecology, integrating archival documents, place names, oral traditions, and landscapes. It clarifies cultural values, ethics, norms, and practices that sustain community capability in resource-limited island settings and positions these as cultural/ethical foundations of adaptive governance. CCU also advances practical knowledge transmission through community-based learning and intergenerational engagement.

3) Institutions, perceptions, and behavior (Governance Unit; GU)

GU analyzes how institutions, norms, and perceptions shape environmental decision-making, using policy-text analysis, surveys (including framing experiments), and stakeholder interviews. It synthesizes multiple cases (including LINKAGE) to identify enabling conditions for adaptive governance and examines constraints such as institutional gaps/voids, providing a bridge from empirical insights to policy design.

4) Knowledge bridging and co-creation (Knowledge Bridging Unit; KU)

KU integrates outcomes across units through visualization, dialogue, and co-creation, building interfaces among scientific knowledge, local knowledge, and policy knowledge. Tools and practices include P+MM (Projector + Mapping Model) for land–sea integrated mapping, participatory action research, science education, and dialogical settings using video/art and historical photographs. Collaborative platforms (e.g., regional roundtables, councils, workshops) are implemented across sites (Yaese Town, Sekisei Lagoon, Wakatobi, Fiji) to support transdisciplinary learning and social implementation.

Comparative synthesis and FR roadmap

Cross-site comparisons extract common principles and context-specific pathways of adaptive governance. Integration is achieved by linking CCU’s cultural/ethical foundations and GU’s institutional/perceptual analyses with KU’s co-creation practices, clarifying transitions from endogenous co-creation to institutionalized co-creation.

FR phase (FY2022–FY2026): FY2022–23 deepen unit research and initiate knowledge-bridging practice; FY2024–25 conduct overseas comparative fieldwork (Wakatobi, Fiji) and develop an integrated database; FY2026 systematize outcomes and disseminate via a book (tentative: Land–Sea Linkage), peer-reviewed papers, international symposia, and local feedback/policy recommendations.

Expected results

1）Scientific outcomes

The project provides quantitative evidence for how land-based loads, mediated by groundwater/SGD pathways, affect coral reef ecosystems. Key deliverables include:

• an integrated model linking land-based nutrient loading (especially phosphorus) to coral cover/bleaching responses,

• Exchangeable phosphate in seawater EPS-based threshold conditions as an integrative indicator of cumulative terrestrial influence, and

• cross-island generalization of mechanisms under different geology/climate/land-use settings.

High-resolution environmental records (e.g., microatoll cores capturing multi-decadal change, including isotope signals consistent with post-industrial atmospheric CO₂ trends) complement process-based flux quantification and strengthen causal interpretation. These outputs provide an evidence base for defining management targets for reducing land-based phosphorus loads and mitigating reef degradation.

2）Societal outcomes

Scientific evidence is incorporated into deliberative platforms where researchers, officials, and residents share information and co-develop options for land–coast management (e.g., regional roundtables and restoration councils). Comparative synthesis will identify enabling conditions for participatory decision-making and flexible administration, supporting practical adaptive-governance models tailored to local contexts and informing policy measures to reduce land-based loads. By strengthening evidence-to-policy pathways, the project supports the institutionalization of adaptive governance at the local level.

3）Educational and international outcomes

Action-research-based education and outreach strengthen “learning together” as a foundation for governance, while training early-career researchers through interdisciplinary and intercultural collaboration. International partnerships (e.g., with Indonesian and Fijian institutions) expand a Land–Sea Linkage research network, enabling long-term development of an Asia–Pacific platform for adaptive governance. These activities function as co-creation hubs for capacity building, including the development of “translators” who can bridge science, communities, and policy.

Project organization and membership

The project is led by the Principal Investigator and implemented through four units spanning natural sciences, social sciences, and humanities. Units conduct specialized research in parallel, while the Knowledge Bridging Unit integrates and visualizes outcomes to support coherence and social implementation. This structure simultaneously operationalizes (1) interdisciplinary collaboration, (2) international comparison, and (3) collaboration with local communities, ensuring translation of research outputs into societal action.
　
Challenges and achievements for this year
Project overall progress

1. Transformation of land–sea Linkage systems driven by climate change and changes in industrial structure

1) Integrated understanding of water and material cycles

On Yoron Island, we drilled microatolls at four lagoon sites and obtained continuous annual banding records (~30–100 years). Carbon isotope signals indicate the Suess effect since the Industrial Revolution, providing high-resolution regional archives relevant to climate-change impacts.

We integrated 3-D water-circulation models (GETFLOWS, MODFLOW 6) with field observations (groundwater flow, submarine spring/SGD discharge, river discharge) and geochemical analyses to quantify water/material fluxes and the relative contributions of land-based sources. Across “high islands” (e.g., Ishigaki) and “low limestone islands” (e.g., southern Okinawa, Yoron, Kuroshima, Tarama), we demonstrated that groundwater discharge is a major pathway delivering phosphorus and organic matter to coastal waters. On Kuroshima, where groundwater forms a freshwater lens, we further showed that organic phosphorus derived from livestock waste is microbially converted to inorganic phosphorus and subsequently exported and accumulated on the seafloor (stable isotopes and microbial community analyses).

2) Relationships between coral reef communities and material dynamics (phosphorus, organic matter, etc.)

Laboratory rearing experiments using juvenile corals showed that nutrient load (concentration × inflow flux), rather than phosphate concentration alone, is a key constraint on skeletal formation. Even at low phosphate concentration (0.5 µM), high-flow conditions markedly suppressed calcification, indicating that “low concentration can still inhibit growth when inflowing load is high” and that load-based evaluation is essential.

In the Sekisei Lagoon, statistical analyses revealed that higher exchangeable phosphate in seawater (EPS) in seafloor sediments is associated with reduced coral abundance and increased tendencies of bleaching and algal cover. Many genera (including Acropora) showed significant negative relationships, whereas Porites and Montipora showed weaker/no clear relationships, suggesting tolerance differences. EPS hotspots far exceeding threshold levels were frequently observed near areas influenced by intensive agriculture/livestock and shrimp-aquaculture effluent, implying strong land-based human impacts. Together, these results support a quantitative mechanism whereby land-derived phosphorus is transported via groundwater, accumulates in sediments, and contributes to coral community simplification.

2. Impacts of declining socio-cultural community foundations on multiple resources

1) Building a collaborative research structure with local communities and forming international networks

We built a collaborative framework involving not only researchers but also artists/cultural practitioners, local NPOs, community museums, boards of education, local governments, and private companies. Formal agreements with Indonesian partners (HOU and ITBMW) strengthened an Asia–Pacific-oriented research network and established a platform for interdisciplinary and cross-boundary research centered on biocultural diversity.

2) Knowledge transmission on islands and strengthening social resilience

Using participatory action research with biocultural diversity cards, we examined resource-use practices, narratives/memories, and social norms on “high” and “low” islands. Findings indicate that (i) transmission of locally adapted Traditional Ecological Knowledge (TEK) /techniques, (ii) flexible inter-island networks, and (iii) multiple leadership are key factors supporting resilience. To explore ways to reflect and communicate intangible cultural values, we conducted practice-based research through art and education (e.g., “Songscapes around the spring waters of two islands” on Ie Island; “Rice paddies in Yaeyama schools” with the Ishigaki City Board of Education). Outcomes were published as the LINKAGE Booklet / Art Book Series. In December 2024, we conducted a pre-survey in the Wakatobi Islands (consultations with local governments and partner universities; interviews with stakeholders in seaweed farming, community tourism, small-scale fisheries, NPO activities, and women’s groups), collecting baseline information relevant to UNESCO Biosphere Reserves (BR). A joint retreat was scheduled for 2025 to continue dialogue and advance action research.

3) Visualizing local memory and knowledge of nature-based resource use

On Yoron Island, we collected and digitized ~5,000 historical photographs through the “Yunnu old-photograph survey on island nature and livelihoods.” In collaboration with the National Museum of Japanese History, we developed an open-access community archive and a digital exhibition platform, which has been expanded into multi-generational learning programs with local education and community partners.

3. Adaptive governance of multiple resources

1) Social surveys on perceptions and norms

We conducted framing experiments on protected areas and tourism promotion (e.g., “tourism” vs. “environmental conservation” framings in World Heritage contexts) and found no significant differences, suggesting multi-dimensional value integration. During the COVID-19 period, we also identified that trust in science and cultural biases shape environmental perceptions. Comparative analysis between Japan and Indonesia indicated that interest in groundwater is relatively low in Japan but comparable to river water in Indonesia, highlighting culturally contingent “invisibility of water.”

2) Behavioral change and institutional analysis

In the Sekisei Lagoon region, we observed increasing interest in composting livestock waste, indicating early signs of voluntary behavioral change toward reducing land-to-sea loads. We also gathered evidence on tourism-driven transformation and institutional background of coral reef islands, collected policy documents in Okinawa and Kagoshima, and explored linkages with UNESCO BR frameworks.

3) Theorizing adaptive governance

Through systematic review and case surveys, we identified three elements supporting adaptiveness—(1) diverse actors/capacities, (2) shared recognition of risk/uncertainty, and (3) institutionalization grounded in cultural and geographic contexts —and proposed a “learning social system” framework for responding to climate and socio-economic change.

4. Knowledge co-creation through dialogue and collaboration: practicing adaptive governance

1) Development and implementation of knowledge-bridging tools

We developed and implemented knowledge-bridging tools (P+MM, board games, locally grounded learning programs) in regional roundtables and science classes (Yaese, Tarama, Yoron, Okinoerabu). In Yaese Town, we visualized decision-making processes on water use and watershed management and created opportunities for residents to engage in policy formation. Science classes strengthened a cross-generational foundation for “learning together.”

2) Integrating scientific knowledge with local practice

We shared EPS–coral findings with the Sekisei Lagoon Nature Restoration Council, contributing to Ishigaki City’s “Shin (New) Coral Rangers” initiative. In Taketomi Town, discussions on establishing a compost center have begun, indicating progress from evidence to policy/action.

3) Deepening co-creation through boundary objects

Old-photograph workshops created spaces for residents to share memories and narratives of environmental change, strengthening motivation for conservation action and community-building.

Results achieved this year

1. Transformation of land–sea interaction systems driven by climate change and industrial changes

This year, in addition to the Sekisei Lagoon, we prioritized overseas field campaigns in Wangi-Wangi (Indonesia) and Rakiraki (Fiji). We confirmed a clear relationship between EPS in seafloor sediments and the terrestrial phosphorus load estimated using the Kuroshima water-cycle model (MODFLOW 6). Based on this, we proposed an allowable-load estimation method using an EPS threshold for Acropora habitat (≈ 0.6 µg P g⁻¹), contributing to science-based management criteria grounded in load rather than concentration.

On Wangi-Wangi, the combination of a 3-D water-cycle model (GETFLOWS) and field observations indicated that groundwater is a key pathway supplying phosphorus to reef areas, while groundwater phosphorus concentrations remain very low. We also observed a strong negative relationship between EPS and Acropora cover, with indications of impacts on genus-level diversity, suggesting that EPS may help structure coral zonation while overall reef condition remains relatively healthy—consistent with effective control of land-based loads. In Rakiraki, historical land conversion associated with sugarcane expansion likely promoted soil erosion and turbidity increases, contributing to reef decline. Cross-island comparison under different geology and industrial structures advanced understanding of the compound impacts of climate forcing and human activities; remaining tasks include incorporating seasonal variability and strengthening watershed-scale material-cycle analyses.

2. Impacts of declining socio-cultural community foundations on multiple resources

We expanded approaches developed in the Ryukyu Arc to Wangi-Wangi and Fiji, establishing collaborative arrangements with local counterparts. On Wangi-Wangi, participatory research (life-history interviews, TEK, documentation, photo collection) documented concrete cases where local norms and practices are being institutionalized through economic incentives and administrative resource governance—relevant to BR policy contexts. In the next Fiscal year, we will conduct a focused follow-up fieldwork to examine how such institutionalization affects resource access, distribution, and compliance in daily life.

In Fiji, workshops helped organize the history of resource use and current challenges and strengthened the trust base for co-research. In the Ryukyu Arc, we published an art book and held a local feedback meeting (March 2025), and we are preparing a digital map based on text mining of ~90,000 folktales. Future work will apply a common interview instrument internationally to compare how norms and distribution structures shape resource management.

3. Adaptive governance of multiple resources

We designed a comprehensive social survey for Wangi-Wangi (planned for Nov–Dec 2025) to quantify residents’ perceptions of water resources, environmental change, and tourism impacts across livelihoods, health, and ecosystem valuation. A March 2025 internal survey also clarified cross-disciplinary collaboration issues (goal sharing, coordination, time management) and provided actionable insights for strengthening organizational learning; we additionally initiated policy-document content analysis.

To strengthen the theory, we introduced “Institutional Void” and reviewed 318 Scopus-indexed original articles, confirming its usefulness for visualizing why environmental governance fails. This concept helps explain policy delays and implementation gaps by highlighting missing coordination mechanisms and weak linkages between scientific evidence, institutions, and local decision-making. Next, we will apply this framework to island environmental policy research and develop mechanisms to fill institutional gaps.

4. Knowledge co-creation through dialogue and collaboration: practicing adaptive governance

We developed a Wakatobi-version common survey instrument on biocultural diversity and began operating it with ITBMW, alongside co-design of dialog-based education aimed at fostering “translators.” We continued community besed activities (Yoron old-photo exhibition/archive; rice-farming practice in Yaeyama primary schools, and water-cycle learning; classes on “water–coral connections”).

We also held an International Workshop (Okinawa/Iriomote) with Wakatobi partners after multiple preparatory online sessions, using the workshop as a platform to jointly define research questions and co-design field monitoring/action-research protocols toward next year’s on-site implementation. In Hoshitate Village (Iriomote), residents established the Yuipitu Charter, and community-led monitoring has started. Cross-sector exhibitions and public talks further disseminated outcomes and strengthened the social basis for adaptive governance.

Results can be evaluated as having overfulfilled

We demonstrated, for the first time, a clear negative relationship between exchangeable phosphate on seafloor sediments and coral bleaching and declines in coral cover, thereby quantitatively indicating—also for the first time globally—the potential involvement of phosphorus dynamics in coral bleaching processes. This finding is academically significant because international discussion has increasingly emphasized nitrogen as a driver of bleaching, a trend that is also being reflected in the ongoing IPCC assessment process. In addition, by clarifying the quantitative linkage between EPS and terrestrial phosphorus loading, we provided a concrete foundation for establishing science-based management criteria, which goes beyond our initial objectives.

Points to be evaluated that the goals were not reached

A key challenge is to integrate these outcomes into multi-scale policy recommendations beyond the island scale and to strengthen connections with the program-wide theoretical frameworks (e.g., adaptive governance and institutional voids). In particular, further effort is needed to (i) train and strengthen “translators” who can bridge scientific knowledge and social implementation, and (ii) advance toward the institutionalization of social learning through international comparative research. In the next fiscal year, we will leverage the international collaboration framework established this year and accelerate efforts toward internationally relevant institutional design.

Notable achievements and challenges as to contribution to the RIHN programs

This project has generated concrete outcomes aligned with the guiding principle of the “Co-Creation Program for Earth–Human Systems,” which aims to understand and redesign systems in which human societies and natural environments can sustainably adapt under global environmental change. Through an interdisciplinary approach integrating land and sea, and by positioning water-cycle research as a nexus linking material cycles, ecosystems, and social structures, we substantively operationalized collaboration across natural sciences, social sciences, and the humanities, thereby strongly contributing to the program’s core objective of knowledge co-creation.

Scientifically, we clarified the relationship between EPS and coral bleaching/diversity decline and presented a quantitative indicator that links land-based loads to marine ecosystem responses. This provides a new perspective beyond nitrogen-centered discussions and opens a pathway for advancing coastal governance research under climate change. Socially and culturally, we promoted visualization of local governance through collaboration between TEKand scientific knowledge. Through initiatives such as the Hoshitate Village “Yuipitu” Charter, old-photo workshops, and rice-farming educational materials, we successfully institutionalized and educationalized mechanisms that enable residents to engage proactively in environmental management. As a result, the social foundations supporting a co-created Earth–Human system have progressed substantially.

　
Future tasks
Research plan for next year

1) Theoretical deepening and generalization of the integrated land–sea model

We will integrate FR4 results (water circulation, material dynamics, EPS thresholds) across islands and finalize a quantitative integrated model linking land-based loads to coral-reef responses. We will expand it from local to watershed/island scales and systematize it as a transferable land–sea coupled model adaptable to different geology, climate, and land-use conditions. We will also formalize “groundwater-mediated land–sea linkage,” including freshwater-lens structure and the role of SGD, to strengthen the scientific framework of Land–Sea Linkage research.

2) Connecting theorization and institutionalization of adaptive governance

We will theoretically organize linkages among collaboration, learning, and institutionalization based on outcomes from local councils, science classes, roundtables, and historical photo research. Using the key elements (shared goals, monitoring/evaluation, social learning, mediation/support, diversity maintenance), we will theorize how TD social learning can be translated into institutions. By analyzing cases in Yaese Town and the Sekisei Lagoon area, we will clarify conditions for sustaining collaboration and the nature of institutional support, and propose an institutional model of adaptive governance.

3) Building a new integrated framework including carbon cycling

Building on the international network formed in FR4, we will develop toward integrated management of land, sea, and carbon. Through collaboration with AICaS, we will examine the scientific mechanisms and governance significance of CO₂ fixation in coral reefs and establish a concept of “Land–Sea–Linkage” that incorporates carbon, with potential implications for environmental policy and ESG investment. We will position SWIM2027 as an international hub for integrated coastal research by organizing cross-cutting sessions spanning SGD, land–sea linkage, and blue carbon.

4) Deepening knowledge-bridging and social implementation

Using knowledge-bridging tools such as P+MM, locally developed teaching materials, and arts/video methods, we will give back our achievements to the community, increase the contribution to education, and policy recommendations. In particular, we will translate dialogue outputs from roundtables and science classes into educational curricula and build a sustainable practice base that supports next-generation capacity building and social transformation. We will explore pathways that root adaptive governance in society by linking research outcomes to institutions, education, and cultural practice.

Tasks for the next fiscal year onward

1) Challenges identified through project implementation and response strategies

1.Institutional design for integrated land–sea governance

While local councils are becoming established, frameworks that translate scientific evidence into policy/institutions remain insufficient.

Response: Promote implementation of adaptive governance through tri-sector collaboration (local governments–researchers–residents) and advance institutionalization that links scientific indicators with social decision-making.

2.Systematizing interdisciplinary integration and social-learning theory

Interdisciplinary research has progressed, but stronger systematization is needed to connect practice and theory.

Response: Refine adaptive process-management theory through cross-case comparison and generalize practical knowledge.

3.International expansion and blue-carbon linkage

Blue carbon is a key direction for LINKAGE, requiring integration with water-circulation research.

Response: Use AICaS and the SWIM2027 network to incorporate carbon cycling into the Land–Sea–Linkage framework and expand outcomes across the Asia-Pacific region.

2) Requests regarding the Institute’s support system

1.Support for international joint research: stronger support for overseas survey permits, accounting procedures, and sample transport.

2.Positioning of integrated water–carbon research: place integrated themes including blue carbon within institutional priority areas.

3.Support for outreach and education linkages: support education/exhibition programs communicating adaptive governance outcomes, and support for hosting international conferences after the project ends.

3) Closing summary

This project has aimed to improve community resilience by reconfiguring land–sea relationships around water circulation. In the final year, we will theorize and systematize adaptive-governance practices, and develop toward an integrated model encompassing water, nutrients, and carbon. By leveraging international frameworks (e.g., SWIM2027, UNESCO, COP), we will connect LINKAGE outcomes to global island and coastal research, contributing to a resilient, nature-positive society.

Project Members

Leader, YASUMOTO Jun, Research Institute for Humanity and Nature , Associate Professor, Natural System Unit

Sub leader, SHINJO Ryuichi, Faculty of Science, University of the Ryukyus, Professor

TOMOJIRI Daiki, Research Institute for Humanity and Nature , Researcher, Bridging Knowledges Unit

LEONG, Chris, Research Institute for Humanity and Nature , Researcher, Natural System Unit

Core member, KUBO Yoshiaki, Scool of Policy Studies, Kwansei Gakuin University, Professor, Governance Unit

Core member, TAKAHASHI Soyo, Faculty of Humanities and Social Sciences, University of the Ryukyus, Associate Professor, Community Capabikity Unit

Core member, RAZAFINDRABE, Bam H.N., Faculty of Agriculture, University of the Ryukyus, Associate Professor, Natural System Unit

FUJITA Kazuhiko, Faculty of Science, University of the Ryukyus, Professor, Natural System Unit

KURIHARA Haruko, Faculty of Science, Univeristy of the Ryukyus, Professor, Natural System Unit

TOKI Tomohiro, Faculty of Science, University of the Ryukyus, Associate Professor, Natural System Unit

NAKAMURA Takashi, Faculty of Science, University of the Ryukyus, Associate Professor, Natural System Unit

ASAMI Ryuji, Graduate School of Science, Tohoku University, Associate Professor, Natural System Unit

HOSONO Takahiro, Faculty of Advanced Science and Technology, Kumamoto University, Professor, Natural System Unit

TOYOTA Masashi, Faculty of Engineering, Shinshu University, Associate Professor, Natural System Unit

IGUCHI Akira, Geological Survey of Japan, National Institute of Advanced Industrial Science and Technology (AIST), Senior Researcher, Natural System Unit

YASUMOTO Ko, School of Marine Biosciences, Kitasato University, Associate Professor, Natural System Unit

MIZUSAWA Nanami, School of Marine Biosciences, Kitasato University, Project Associate Professor, Natural System Unit

IIJIMA Mariko, Geological Survey of Japan, National Institute of Advanced Industrial Science and Technology, Research Fellow , Natural System Unit

CHIBA Tomoyo, Graduate School of Sustainable System Sciences, Osaka Metropolitan University, Associate Professor, Governance Unit

OHNO Tomohiko, Graduate School of Environmental Studies, Nagoya University, Associate Professor, Governance Unit

TANAKA Toshinori, Institute for Asian and Oceanian Studies, Kyusyu University, Associate Professor, Governance Unit

SHINBO Teruyuki, Kuroshio Science Program, Garaduate School of Integrated Arts and SciencesFaculty of Humanities and Social Sciences, Kochi University, Professor, Governance Unit

ENDO Takahiro, College of Sustainable System Sciences, Osaka Metropolitan University, Professor, Bridging Knowledges Unit

MATSUNO Natsuko, College of Commerce, Nihon University, Associate Professor, Bridging Knowledges Unit

ITO Shinichi, Faculty of Business Administration, Mejiro University, Lecturer, Bridging Knowledges Unit

IWAMI Asako, Faculty of Administrative Studies, Prefectural University of Kumamoto, Associate Professor, Governance Unit

NAKAMOTO Atsushi, Faculty of Science, Okayama University of Science, Associate professor, Community Capabikity Unit

GOYA Junko, Faculty of Music, Okinawa Prefectural University of Arts, Associate Professor, Community Capabikity Unit

MUKAI Daisaku, Faculty of Music, Okinawa Prefectural University of Arts, Associate Professor, Community Capabikity Unit

LEE Choonja, Faculty of Literature, Kobe Women's University, Part-time Lecturer, Community Capabikity Unit

GOTO Makoto, National Museum of Japanese History, Associate Professor, Community Capabikity Unit

ANKEI Yuji, Yamaguchi Prefectural University, Professor Emeritus, Community Capabikity Unit

ANKEI Takako, Biodiversity branch, Institute for Biocultural Diversity, Branch chief, Community Capabikity Unit

TOGUCHI Ken, Nanto Placenames Research Center, Secretary, Community Capabikity Unit

MORIGUCHI Mitsuru, Faculty of Humanities, Okinawa Univercity, Professor, Community Capabikity Unit

TOYAMA Masanao, The Institute of Regional Study in Okinawa University, Okinawa University, Appointed Researcher, Community Capabikity Unit

ITANI Gen, Kumanomi Nature-School, Representative, Community Capabikity Unit

ITANI Miho, Kumanomi Nature-School, Deputy Representative, Community Capabikity Unit

YOSHITOMI Tomoyasu, Field Studies Institue for Environmental Education, Tokyo Gakugei University, Professor, Bridging Knowledges Unit

MINAMI Ryusei, Graduate Schook of Agriculture, University of the Ryukyus, Graduate Student, Natural System Unit

HONG Sun-Kee, Institution for Marine & Island Cultures, Mokpo National University, Professor, Community Capabikity Unit

ARMID, Alrum, Faculty of Science, Halu Oleo University, Researcher, Natural System Unit

MANGIDI, Uniadi, Faculty of Engineering, Halu Oleo University, Researcher, Natural System Unit

SUDIA, La Baco, Faculty of Forestry and Environmental Science, Halu Oleo University, Researcher, Natural System Unit

OETAMA, Dedy, Faculty of Fisheries and Marine Science, Halu Oleo University, Researcher, Natural System Unit

LAWELLE, Sjamsu Alam, Faculty of Fisheries and Marine Science, Halu Oleo University, Researcher, Natural System Unit

TAKWIR, Amadhan, Faculty of Fisheries and Marine Science, Halu Oleo University, Researcher, Natural System Unit

BARATA, La Ode Ahmad, Faculty of Engineering, Halu Oleo University, Researcher, Natural System Unit

MANAN, Abdul, Faculty of Forestry and Environmental Science, Halu Oleo University, Researcher, Natural System Unit

TARIMA, La, Regional Planning, Research and Development Agency, Wakatobi Regency, Head, Natural System Unit

Pingkan Mayestika Afgatiani, Graduate School of Engineering and Science, University of the Ryukyus, Graduate Student, Natural System Unit

SASANO Sachia, Subtropical Coastal Research Group, Fisheries Technology Institute, Japan Fisheries Research and Education Agency, Researcher, Bridging Knowledges Unit

Lukman Muhamad Kevin, Graduate School, Padjadjaran University, Lecturer, Bridging Knowledges Unit

Research Achievement

Awards

第52回伊波普猷賞, 盛口満, 沖縄タイムス社, Feb. 2025, Publisher

沖縄文化協会賞（金城朝永賞）, 高橋そよ, 沖縄のサンゴ礁資源利用に関する生態人類学的研究, 沖縄文化協会, Nov. 2024

Books etc

Single work / Joint work

宮本常一; 安渓遊地, Apr. 2024, 序章、2-7章、9-10章、索引, Joint work, 増補版・調査されるという迷惑, みずのわ出版

盛口　満, Jun. 2023, Single work, マイマイは美味いのか, 252, 岩波書店, Japanese, Scholarly book, ISBN: 9784000060257

HONG Sun-Kee, May 2023, Single work, Ecology of a Port City, 214, Minsokwon, Korean, Scholarly book

Mitsuru Moriguchi, 19 Jan. 2023, Single work, Mitsuru Moriguchi, 沖縄のいきもの, 248, Chyuo-koronsya, Japanese, General book, ISBN: 978-4-12-102735-1

Ankei Takako; Ankei Yuji, 01 Jan. 2023, Texts and pictures, Joint work, Solar Messages from the Swallow Farm, Institute for Biocultural Diversity

盛口　満, Oct. 2022, Single work, 生き物をうさがみそーれー：沖縄・奄美　おじいおばあの食物誌, 八坂書房, ISBN: 9784896943351

高橋, そよ; 総合地球環境学研究所; LINKAGEプロジェクト; 喜山康三; 盛口満; 安渓遊地; 安渓貴子, 31 Jan. 2022, 与論島麦屋の暮らし伝承の中の生物たち pp. 90-125, Joint work, Narratives on Islands 01: Yoron Island in the Ryukyu Arc, 127p., 大学共同利用機関法人人間文化研究機構総合地球環境学研究所LINKAGE プロジェクト, Japanese, ISBN: 9784906888900

盛口　満, 30 Nov. 2021, Single work, ツトムの虫を探して　石垣島の自然観察者　正木任の残したもの, 215, ボーダーインク, Japanese, ISBN: 978-4-89982-418-3

盛口　満, 25 Oct. 2021, Single work, 歌うキノコ　見えない共生の多様な世界, 248, 八坂書房, Japanese, ISBN: 978-4-89694-291-0

盛口　満, 18 Jun. 2021, Single work, ゲッチョ先生と行く　沖縄自然探検, 254, 岩波ジュニア新書, Japanese, ISBN: 9784005009367

盛口　満, May 2021, Single work, ものが語る教室ジュゴンの骨からプラスチックへ, 230, 岩波書店, Japanese, General book, ISBN: 9784000063388

Contributor

Hong, S., pp.111-134, Contributor, Climate change and ecological uncertainty -From an island coastal area perspective- , Journal of The Island Culture 58, Korean

金武町教育委員会, Mar. 2025, 第１節日秀洞周辺の地質, Contributor, 国指定に向けた金武鍾乳洞（日秀洞）名勝調査報告書, 金武町教育委員会

木村, 大治; 武内, 進一, Jun. 2024, コラム７コンゴ盆地の森の地酒を訪ねて, Contributor, コンゴ民主共和国を知るための50章, 315p, 明石書店, Japanese, ISBN: 9784750357782

木村, 大治; 武内, 進一, Jun. 2024, 第31章熱帯林の食文化：緑のサハラからの１万年史, Contributor, コンゴ民主共和国を知るための50章, 315p, 明石書店, Japanese, ISBN: 9784750357782

木村, 大治; 武内, 進一, Jun. 2024, 第26章森の英雄神話：ソンゴーラ人の口頭伝承, Contributor, コンゴ民主共和国を知るための50章, 315p, 明石書店, Japanese, ISBN: 9784750357782

Ryuichi SHINJO, May 2024, 自然編第１章「沖永良部島の地質と成り立ち」, Contributor, Wadomari Town’s Progress: the town history book of Wadomari, Kagoshima, Japan, 和泊町教育委員会和泊町の歩み編さん事務局

秋道, 智彌; 窪川, かおる; 阪口, 秀, Mar. 2024, 高橋そよ; サンゴ礁漁撈文化の知恵と物語を紡いで, Contributor, 海のジェンダー平等へ（シリーズ海とヒトの関係学 6）, 261p, 西日本出版社, Japanese, ISBN: 9784908443480

地学団体研究会; 地学団体研究会最新地学事典編集委員会, Mar. 2024, 琉球弧, Contributor, 「最新」地学事典, 376p, 平凡社, Japanese, ISBN: 9784582115086

新城竜一, Mar. 2024, 福徳岡ノ場由来の漂着軽石とのつきあい, Contributor, 地域文化を支える人・社会・自然のつながり Vol.3 社会の変容と地域文化, 人間文化研究機構広領域連携型基幹研究プロジェクト「横断的・融合的地域文化研究の領域展開：新たな社会の創発を目指して」地球研ユニット：自然の恵みを活かし災いを避ける地域文化研究, ISBN: 9784910834344

The Toponymy Research Center for the Southern Islands, Oct. 2023, Preserving local toponymies as a local language, Contributor, Walking around the place names of Southern Islands, Border Ink, ISBN: 9784899824541

Ankei Yuji, Apr. 2023, Fieldnotes of Anthropologists: Beyond the Bothers of Being Researched, Contributor, Worksight No. 19, Kokuyo/Gakugei Publ.

新城竜一, Mar. 2023, 軽石の漂流パターンの解明、災害レジリエンスの強化に向けて, Contributor, 「地域文化を支える人・社会・自然のつながり Vol.2 軽石とゆいむんの思想」, 人間文化研究機構広領域連携型基幹研究プロジェクト「横断的・融合的地域文化研究の領域展開：新たな社会の創発を目指して」地球研ユニット：自然の恵を活かし災いを避ける地域文化研究, ISBN: 9784910834184

Sep. 2022, 7-10, Contributor, GreenAge 582, 一般財団法人日本緑化センター

高橋, そよ; 総合地球環境学研究所; LINKAGEプロジェクト; 喜山康三; 盛口満; 安渓遊地; 安渓貴子, Jan. 2022, 与論島麦屋の暮らし・伝承の中の生物たち pp.90-125, Contributor, 島と語る01:琉球弧・与論島, 127p., 大学共同利用機関法人人間文化研究機構総合地球環境学研究所LINKAGE プロジェクト, Japanese, ISBN: 9784906888900

竹中, 佳彦; 山本, 英弘; 濱本, 真輔; 遠藤, 晶久; 久保, 慶明; 大倉, 沙江; 鈴木, 創; 柳, 至; 今井, 亮佑, Dec. 2021, 第4章, Contributor, 現代日本のエリートの平等観 : 社会的格差と政治権力, xiii, 278p, 明石書店, Japanese, ISBN: 9784750352862

当山　昌直, Sep. 2021, pp.176-177, Contributor, 日本爬虫両棲類学会, 新日本両生爬虫類図鑑, 234, サンライズ出版, Japanese, Dictionary or encycropedia, ISBN: 978-4-88325-734-8 C1045

谷川, 健一; 大和, 岩雄, 05 Mar. 2019, フィールドでの「濃いかかわり」とその落とし穴 527-553ページ, Contributor, The Legacy of History from Below: Vol 14 Okinawa, 560p, Yamato Shobo, Japanese, ISBN: 9784479861140

Editor / Joint editor

安渓貴子, 安渓遊地, Mar. 2025, Joint editor, 和歌嵐香 N子, Fuganutu, Oral Tradition on the Drifters from Jeju to Yonaguni Island in the Ryukyu Arc, 総合地球環境学研究所LINKAGEプロジェクト

呉屋淳子, 向井大策, Mar. 2025, Joint editor, LINKAGEブックレットシリーズ表現と知を編み直す 02 土地とともに歌うこと, 総合地球環境学研究所LINKAGEプロジェクト, ISBN: 978-4-910834-33-7

Ishigaki Kinsei; Ankei Yuji; Ankei Takako; Kaizu Yurie; Matsumura Masaharu, Jun. 2023, Editing, introduction, ＆ DTP, Joint editor, Cultural Competence of Iriomote Island: Messages from a Venusian to Earthlings, Nanzansha

Nko Wakaranko, 15 Mar. 2023, Joint editor, Nko Wakaranko, Nu'tinu Kaara Dunan, The Source of Lives: Yonaguni Island in the Ryukyu Arc, 117, Research Institute for Humanity and Nature (RIHN) (LINKAGE Project), Japanese, General book, ISBN: 978-4-910834-19-1

和歌嵐香N子; 安渓遊地; 安渓貴子; 渡久地健, Mar. 2023, 編集と解説執筆, Joint editor, ぬ‘てぃぬかーらどぅなん（いのち湧く島：与那国, 総合地球環境学研究所, ISBN: 9784910834191

Wakaranko Nko; Ankei Yuji; Ankei Takako; Toguchi Ken, Mar. 2023, Editing and introduction, Joint editor, Yonaguni Island: The Source of Lives, Research Institute for Humanity and Nature

安元, 純; 新城, 竜一, Mar. 2023, Joint editor, 地域の自然を活用した環境教育 : 沖縄県八重瀬町をフィールドとして, 95 p, 琉球大学水循環プロジェクト, Japanese, ISBN: 9784910834207

Ikeda Fukushige; Kiyama Kouzou; Iwashita Akihiro; Ankei Yuji, Mar. 2022, The Brilliance of "The Diary of an Uneducated Man" Revived, Joint editor, A Diary of an Uneducated Man, Hokkaido University Press

TAKAHASHI Soyo, Jan. 2022, Editor, Narratives on Islands 01: Yoron Island in the Ryukyu Arc, LINKAGE Booklet Series, 127, LINKAGE Project, Research Institute for Humanity and Nature, Japanese, Report, ISBN: 978-4-906888-90-0

李　春子, Jan. 2022, Editor, LINKAGEプロジェクト・アートブックシリーズ vol.1 海・山・里を繋ぐ八重山の水の文化誌　資料編, 38, LINKAGE Project, Research Institute for Humanity and Nature, Japanese, Textbook

Uncategorized

呉屋, 淳子; 向井, 大策; 総合地球環境学研究所; LINKAGEプロジェクト, Mar. 2024, 表現と知を編み直す01 : 土地に歌を返すこと, 129p., 大学共同利用機関法人人間文化研究機構総合地球環境学研究所LINKAGE プロジェクト, Japanese, ISBN: 9784910834337

Published Papers

Nathalie Babonneau; Gueorgui Ratzov; Charlotte Guerin; Mira Richa; Serge Lallemand; Michel Condomines; Patrick Bachelery; Delphine Bosch; Shu‐Kun Hsu; Chih‐Chieh Su; Ryuichi Shinjo; Andrew Lin; Maria‐Angela Bassetti; Marie Revel; Antonio Cattaneo; the EAGER Scientific Team, 31 Aug. 2025, Sedimentary record of submarine gravity‐flow events in the southern Ryukyu forearc during the last 200 000 years: archive of mega‐earthquakes and tsunamis, Sedimentology, Wiley, English, Refereed, Scientific journal
DOI

Anh Le Duc; Hoang Nguyen; Huong Tran Thi; Ryuichi Shinjo; Luong Le Duc; Nhon Dang Hoai; Can Pham Ngoc, 25 Jul. 2025, Recent monogenic volcanism in North Central Vietnam: Implications for the regional mantle geodynamics, Vietnam Journal of Earth Sciences, 47 (3), 1-24, Publishing House for Science and Technology, Vietnam Academy of Science and Technology (Publications), English, Refereed, Scientific journal
DOI

Tanaka, K.; Shirai, K.; Uyeno, D.; Shinjo, R., Jul. 2025, Can sclerosponge skeletons record ocean acidification?: Boron and carbon isotope ratios (δ11B and δ13C) in Acanthochaetetes wellsi from Okinoerabu Island, southwestern Japan, GALAXEA, Journal of Coral Reef Studies, 27, 103-107, English, Refereed, Scientific journal

Jun Yasumoto; Mariko Iijima; Akira Iguchi; Takashi Nakamura; Ryogo Takada; Mina Yasumoto-Hirose; Yuichi Iwasaki; Tetsuo Yasutaka; Kanami Mori-Yasumoto; Ryuichi Shinjo; Ryota Ide; Alice Yamazaki; Nanami Mizusawa; Yoshikazu Ohno; Atsushi Suzuki; Shugo Watabe; Ko Yasumoto, 04 Mar. 2025, Coral Decline Linked to Exchangeable Phosphate in Seawater from Coastal Calcareous Sediments, as Evidenced in Sekisei Lagoon, Japan, Marine Biotechnology, 27 (2), Springer Science and Business Media LLC, English, Refereed, Scientific journal
DOI

Nguyen Hoang; Tran Thi Huong; Ryuichi Shinjo; Le Duc Anh; Le Duc Luong; Phan Dong Pha, Mar. 2025, Geochemistry of late Miocene-Pleistocene basalts from a coastal area of Vietnam: Implication for small-scale mantle heterogeneities, Journal of Asian Earth Sciences, 281, 106488-106488, Elsevier BV, English, Refereed, Scientific journal
DOI

Usami, K.; Kato, Y.; Shinjo, R.; Niiyama, S., Mar. 2025, Discovery of a Pumice Deposit from the 1924 Iriomote Submarine Volcanic Eruption on the Northeastern Coast of Ishigaki Island, Bull. Mus., Okinawa Pref. Mus. Art Mus., (18), 1-8, Japanese, Research institution

Shinichiro Nakamura; Maiko Sakamoto; Soyo Takahashi; Tomoyo Chiba; Yoshiko Iizumi; Daisuke Komori; Shizuka Hashimoto; Tetsuya Hiyama; Atsuro Morita; Takehito Yoshida; Taikan Oki, 05 Feb. 2025, Advances in Socio-hydrology and its Potential for Interdisciplinary Research in Japan: Approaches from Value Systems, Governance, Culture, and History, JOURNAL OF JAPAN SOCIETY OF HYDROLOGY AND WATER RESOURCES, Japan Society of Hydrology and Water Resources, Refereed, Scientific journal
DOI

Mariko Iijima; Ko Yasumoto; Jun Yasumoto; Akira Iguchi; Mina Yasumoto-Hirose; Kanami Mori-Yasumoto; Nanami Mizusawa; Mitsuru Jimbo; Kazuhiko Sakai; Atsushi Suzuki; Shugo Watabe, 17 Dec. 2024, Adverse effects of total phosphate load from the environment on the skeletal formation of coral juveniles., Marine pollution bulletin, 211, 117395-117395, English, Scientific journal
DOI

Azusa Kubota; Yoshikazu Ohno; Jun Yasumoto; Mariko Iijima; Michio Suzuki; Akira Iguchi; Kanami Mori-Yasumoto; Mina Yasumoto-Hirose; Tsuyoshi Sakata; Takaaki Suehiro; Kaho Nakamae; Nanami Mizusawa; Mitsuru Jimbo; Shugo Watabe; Ko Yasumoto, 09 Dec. 2024, The Role of Polyamines in pH Regulation in the Extracellular Calcifying Medium of Scleractinian Coral Spats., Environmental science & technology, 58 (51), 22635-22645, English, Scientific journal
DOI

Tomoyo Chiba, Dec. 2024, Current research trends in groundwater governance: A literature review, Journal of Groundwater Hydrology, 66 (4), 275-301, Japanese, Refereed, Scientific journal

Kodai Gibu; Nanami Mizusawa; Mariko Iijima; Yoshikazu Ohno; Jun Yasumoto; Ko Yasumoto; Akira Iguchi, 08 Oct. 2024, Polyamine impact on physiology of early stages of reef-building corals-insights from rearing experiments and RNA-Seq analysis., Scientific reports, 14 (1), 23465-23465, Springer Science and Business Media LLC, English, Scientific journal
DOI

Lucas Y. Kimura; Rickdane Gomez; Takashi Nakamura, Jun. 2024, Typhoon impacts on coral and fish communities revealed by reef soundscape assessment using a low-cost acoustic recording device, Galaxea, Journal of Coral Reef Studies, 26 (1), 9-17, Japanese Coral Reef Society, English, Refereed, Scientific journal
DOI

Yuji Ankei, 31 Mar. 2024, Biocultural Diversity of Suōnada in the Seto Inland Sea, Bulletin of the Graduate Schools, Yamaguchi Prefectural University, (25), 1-18, English, Scientific journal

Ankei Yuji; Ankei Takako, Mar. 2024, Biocultural Diversity of Suōnada in the Seto Inland Sea: Toward the Survival of the ‘Sea of Miracles’, Bulletin of the Graduate Schools, Yamaguchi Prefectural University, (25), 1-18, English

Rio Maruyama; Ko Yasumoto; Nanami Mizusawa; Mariko Iijima; Mina Yasumoto-Hirose; Akira Iguchi; Oktanius Richard Hermawan; Takahiro Hosono; Ryogo Takada; Ke-Han Song; Ryuichi Shinjo; Shugo Watabe; Jun Yasumoto, 22 Feb. 2024, Metagenomic analysis of the microbial communities and associated network of nitrogen metabolism genes in the Ryukyu limestone aquifer, Scientific Reports, 14 (1), Springer Science and Business Media LLC, English, Refereed, Scientific journal
DOI

Jin-Won Choi, Dong-Ho Son, Changhoon You, Sun-Kee Hong, Jae-Eun Kim, Min-Jae Kim, Seok-Yeol, Ko, Jong-Wook Ki, 2024, Plant species richness (PSR) along island biogeographical gradients in inhabited islands of Shinan-gun, Republic of Korea, Journal of Marine and Island Cultures
DOI

Vazrick Nazari, Gloria Pungetti, Sun‑Kee Hong, Sofia Belardinelli, Giovanni Destro Bisol, Dietelmo Pievani, 2024, Island biocultural diversity in the Mediterranean: the case study of Sardinia, Springer
DOI

Takako Ankei, 31 Dec. 2023, Traditional Methods of Cycad Detoxification in Amami and Okinawa: Historical origins of their biocultural diversity among the islands, Journal of Marine and Island Cultures, 12 (3), Shima Publishing, English, Refereed, Scientific journal
DOI

Yuji Ankei; Takako Ankei, 31 Dec. 2023, An Illustrated Cosmology of Yonaguni Island, Ryukyus: A collection of daily prayers and songs for biocultural diversity and island sustainability, Journal of Marine and Island Cultures, 12 (3), Shima Publishing, English, Refereed, Scientific journal
DOI

Soyo Takahashi; Masanao Toyama; Toshinori Tanaka, 31 Dec. 2023, Incorporating Biocultural Values in Biodiversity Conservation Policies: A Case Study of the Regional Strategy for Biodiversity in Okinawa, Journal of Marine and Island Cultures, 12 (3), Shima Publishing, English, Refereed, Scientific journal
DOI

Masataka Aizawa; Mitsuru Inaba; Satoshi Okamura; Ryuichi Shinjo, 06 Dec. 2023, Petrology of the Miocene Tomari volcanic rocks in the SN-010 deep core from the Shimokita Peninsula in northern Japan and its correlation to the surface geology, The Journal of the Geological Society of Japan, 129 (1), 587-602, The Geological Society of Japan, Japanese, Refereed, Scientific journal
DOI

Oktanius Richard Hermawan; Takahiro Hosono; Jun Yasumoto; Ko Yasumoto; Ke-Han Song; Rio Maruyama; Mariko Iijima; Mina Yasumoto-Hirose; Ryogo Takada; Kento Hijikawa; Ryuichi Shinjo, Dec. 2023, Mechanism of denitrification in subsurface-dammed Ryukyu limestone aquifer, southern Okinawa Island, Japan, Science of The Total Environment, 169457-169457, Elsevier BV, English, Refereed, Scientific journal
DOI

Kosuke Takaya; Daiki Tomojiri, 24 Nov. 2023, Proxy variables of the closeness between humans and wildlife associated with public interest in bird species in Japan, European Journal of Wildlife Research, 69 (6), Springer Science and Business Media LLC, English, Refereed, Scientific journal
DOI

Song, K-H; Shinjo, R; Moromizato, Y, Nov. 2023, Simplified separation method for boron isotopic analysis of environmental water samples -the first report on boron isotopic composition for certified reference materials-, Environmental Science, 36 (6), 211-217, English, Refereed, Scientific journal
DOI

Yuki Mitsutome; Ko Agena; Tomohiro Toki; Ke-Han Song; Ryuichi Shinjo; Akira Ijiri, 29 Sep. 2023, Assessing the activity of mud volcanism using boron isotope ratios in pore water from surface sediments of mud volcanoes off Tanegashima (SW Japan), Frontiers in Marine Science, 10, Frontiers Media SA, English, Refereed, Scientific journal
DOI

Chris Leong; Maletina Solomone; Ryuichi Shinjo; Daiki Tomojiri; Christmas Uchiyama; Jun Yasumoto; Bam Razafindrabe, 30 Aug. 2023, An assessment of small island hydrological research activity conducted in the Oceania Region, Hydrological Sciences Journal, 1-16, Informa UK Limited, English, Refereed, Scientific journal
DOI

Chris Leong; Maletina Solomone; Ryuichi Shinjo; Daiki Tomojiri; Christmas Uchiyama; Jun Yasumoto; Bam Razafindrabe, 30 Aug. 2023, An assessment of small island hydrological research activity conducted in the Oceania Region, Hydrological Sciences Journal, 1-16, Informa UK Limited, English, Refereed, Scientific journal
DOI

Dio Dirgantara; Mariyam Shidha Afzal; Takashi Nakamura, Aug. 2023, Distinct patterns of coral lesion composition from national/quasi-national marine parks of Kerama and Yoron Islands, Ryukyu Archipelago, Deep Sea Research Part II: Topical Studies in Oceanography, 210, 105309-105309, Elsevier BV, Refereed, Scientific journal
DOI

Takako Ankei; Yuji Ankei, May 2023, A History of Food Culture and Agricultural Innovations in the Congo Basin, Journal of African studies, 103, 11-26, Japanese, Refereed, Scientific journal

Niloofar Nayebi; Dariush Esmaeily; Ryuichi Shinjo; Reza Deevsalar; Soroush Modabberi; Bernd Lehmann, 10 Apr. 2023, Petrogenetic and geodynamic evolution of plutonic rocks from the Chadormalu district, Kashmar-Kerman tectonic zone, Central Iran, Mineralogy and Petrology, 117, 619-637, Springer Science and Business Media LLC, English, Refereed, Scientific journal
DOI

Yuki Mitsutome; Tomohiro Toki; Takanori Kagoshima; Yuji Sano; Yama Tomonaga; Akira Ijiri, 06 Apr. 2023, Estimation of the depth of origin of fluids using noble gases in the surface sediments of submarine mud volcanoes off Tanegashima Island., Scientific reports, 13 (1), 5051-5051, English, Refereed, Scientific journal
DOI

Oktanius Richard Hermawan; Takahiro Hosono; Jun Yasumoto; Ko Yasumoto; Ke-Han Song; Rio Maruyama; Mariko Iijima; Mina Yasumoto-Hirose; Ryogo Takada; Kento Hijikawa; Ryuichi Shinjo, Apr. 2023, Effective use of farmland soil samples for N and O isotopic source fingerprinting of groundwater nitrate contamination in the subsurface dammed limestone aquifer, Southern Okinawa Island, Japan, Journal of Hydrology, 619, 129364-129364, Elsevier BV, English, Refereed, Scientific journal
DOI

Somayeh Teimouri; Mansour Ghorbani; Ryuichi Shinjo; Soroush Modabberi, 14 Mar. 2023, Geology and geochemistry of metasomatite rocks associated with Kiruna iron oxide apatite and the evolution of fluids responsible for metasomatism in Choghart and Chadormalu deposits (Bafq mining district, Central Iran), Arabian Journal of Geosciences, 16 (4), Springer Science and Business Media LLC, English, Refereed, Scientific journal
DOI

Nakano, H; Shinjo, R; Komatai, S, Mar. 2023, Development of a Simple Elemental Analysis Method for Pumices Derived from the 2021 Fukutoku-Oka-no-Ba Submarine Eruption Using μ-XRF: Implications to Earth Science, Adv. X-Ray. Chem. Anal., Japan, 54, 203-216, Japanese, Refereed, Scientific journal

Shibata, K; Kohase, M; Shinjo, R, Mar. 2023, Temporal variation in amount and size of the drift pumice from the 2021 eruption of Fukutoku-Oka-no-Ba submarine volcano: an example from the Tenjin-jima, Kanagawa Prefecture, central Japan, Sci. Rept. Yokosuka City Mus., (70), 39-51, Japanese, Research institution

Niloofar Nayebi; Dariush Esmaeily; Massimo D'Antonio; Xiao-Ping Xia; Valeria Di Renzo; Bernd Lehmann; Ryuichi Shinjo; Shahrouz Babazadeh; Reza Deevsalar; Soroush Modabberi, Mar. 2023, Zircon U–Pb ages and Sr–Nd–Pb–Hf isotopic compositions constrain the tectono-magmatic evolution of the Anomaly 21-A iron ore region, Bafq metallogenic province, Central Iran, Journal of Asian Earth Sciences, 250, 105646-105646, Elsevier BV, English, Refereed, Scientific journal
DOI

宇佐美賢; 宮城宏之; 仲村渠聖也; 宋科翰; 高橋凪; 新城竜一, Mar. 2023, Occurrence and Detrital Zircon U-Pb Dating of Sandstones in the Shimanto Belt of the Kerama Islands, Bulletin of the Museum, Okinawa Prefectural Museum and Art Museum, (16), 1-11

Shinji Nakaya; Ryogo Takada; Jun Yasumoto; Harue Masuda; Junichi Yoshitani; Ryuichi Shinjo; Innocent Lugodisha; Hans Komakech, Feb. 2023, Effect of groundwater residence time on geogenic fluoride release into groundwater in the Mt. Meru slope area, Tanzania, the Great Rift Valley, East Africa, Journal of Contaminant Hydrology, 253, 104125-104125, Elsevier BV, English, Refereed, Scientific journal
DOI

N. Moussa; G. Bayon; V. Dekov; T. Yamanaka; R. Shinjo; T. Toki; B. Le Gall; N. Grassineau; J.A. Langlade; M.O. Awaleh; E. Pelleter, Jan. 2023, Mixed carbonate-siliceous hydrothermal chimneys ahead of the Asal propagating rift (SE Afar Rift, Republic of Djibouti), Journal of African Earth Sciences, 197, 104765-104765, Elsevier BV, English, Refereed, Scientific journal
DOI

Jae-Eun Kim, Sun-Kee Hong, 2023, Classification of spatial patterns according to land use in Wando-gun, Jeollanam-do, Journal of the Korean Cadastre Information Association, 4, 104-118, Korean, Scientific journal

Terry Louise Kepel, Tubagus Solihuddin, Johan Risandi, August Daulat, Aida Heriati, Eva Mustikasari, Mardiany, Sun-Kee Hong, 2023, Water Security in Tunda Island, Banten Indonesia: Potency & Threat, Journal of Marine and Island Cultures, 12 (1), English, Refereed

Duc Luong Le; Hoang Nguyen; Anatoly Obzhirov; Ryuichi Shinjo; Renat B. Shakirov, 28 Dec. 2022, The geochemical gas field in surface sediments in the Southwest sub-basin of East Vietnam Sea: distribution, origin, and comparative features with other regions of Western East Vietnam Sea, Vietnam Journal of Marine Science and Technology, 22 (4), 337-362, Publishing House for Science and Technology, Vietnam Academy of Science and Technology (Publications), English, Refereed, Scientific journal
DOI

Miyuki Shimabukuro; Tomohiro Toki; Hitoshi Shimabukuro; Yoshiaki Kubo; Soyo Takahashi; Ryuichi Shinjo, 10 Dec. 2022, Development and Application of an Environmental Education Tool (Board Game) for Teaching Integrated Resource Management of the Water Cycle on Coral Reef Islands, Sustainability, 14 (24), 16562-16562, MDPI AG, English, Refereed, Scientific journal
DOI

Reza Deevsalar; Yuanming Pan; Ryuichi Shinjo; Luke Milan; Ke-han Song; Qunfeng Xiao; Mohsen Shakouri; Alisa Rae-Ling Paterson; Yongfeng Hu, Dec. 2022, Redox evolution of differentiating hydrous basaltic magmas recorded by zircon and apatites in mafic cumulates: The case of the Malayer Plutonic Complex, Western Iran, Geochemistry, 125946-125946, Elsevier BV, English, Refereed, Scientific journal
DOI

Aizawa, M; Mizota, C; Hosono, T; Shinjo, R, Nov. 2022, Estimation of the origin of bullet lead usend in early-modern to modern Japan by lead isotope ratio, kinzoku, Materials Science & Technology, 92 (11), 62-78, Japanese

V.M. Dekov; K. Kyono; K. Yasukawa; B. Guéguen; M. Ivarsson; G.D. Kamenov; T. Yamanaka; D. Asael; M. Ishida; L.L. Cavalcante; Y. Kato; T. Toki; J.-I. Ishibashi, Nov. 2022, Mineralogy, geochemistry and microbiology insights into precipitation of stibnite and orpiment at the Daiyon-Yonaguni Knoll (Okinawa Trough) hydrothermal barite deposits, Chemical Geology, 610, 121092-121092, Elsevier BV, English, Refereed, Scientific journal
DOI

Toki, T; Nohara, T; Urata, Y; Shinjo, R; Hokakubo-Watanabe, S; Ishibashi, J; Kawagucci, S, Oct. 2022, Sr isotopic ratios of hydrothermal fluids from the Okinawa Trough and the implications of variation in fluid–sediment interactions, Progress in Earth and Planetary Science, 9 (59), Springer Science and Business Media LLC, English, Refereed, Scientific journal
DOI

Takako ANKEI, Jul. 2022, Cooking of the Songola, D. R. Congo: Diversity and Sustainability of Food through Local Self-sufficiency, 農耕の技術と文化, 31, 47-71, Japanese, Refereed, Scientific journal

Mohammad Reza Ghorbani; Hossein Mahmoudi; Fatemeh Sepidbar; Matthias Barth; Mohamed Zaki Khedr; Naoyoshi Iwata; Ryuichi Shinjo; Parham Ahmadi, Apr. 2022, Geochemical and geochronological constraints on origin of the Sawlava ophiolite (NW Iran): Evidence for oceanic mantle evolution beneath Iran-Iraq border, Lithos, 418-419, 106695-106695, Elsevier BV, English, Refereed, Scientific journal
DOI

Tomohiro Toki; Hina Kataoka; Ryogo Takada; Shinji Nakaya; Syogo Oshima; Akira Ijiri, Apr. 2022, Spring discharge mechanism along the southeast coast of Yonaguni Island in the southern Ryukyu forearc, JOURNAL OF HYDROLOGY-REGIONAL STUDIES, 40, English, Refereed, Scientific journal
DOI

Rasoul Sheikhi Gheshlaghi; Mansour Ghorbani; Ali Asghar Sepahi; Reza Deevsalar; Kazuo Nakashima; Ryuichi Shinjo, 01 Mar. 2022, The origin of gem spodumene in the Hamadan Pegmatite, Alvand Plutonic Complex, western Iran, The Canadian Mineralogist, 60 (2), 249-266, Mineralogical Association of Canada, English, Refereed, Scientific journal
DOI

Usami, K; Shinjo, R, Mar. 2022, Drifted pumice stones at Okinawa Prefecture derived from the 2021 August eruption at Fukutokuokanoba submarine volcano, Bull. Mus., Okinawa Pref. Mus. Art Mus., (15), 1-16, Japanese, Research institution

Masataka Aizawa; Chitoshi Mizota; Takahiro Hosono; Ryuichi Shinjo; Yuki Furukawa; Yoshihiro Nobori, Feb. 2022, Lead isotopic characteristics of gun bullets prevailed during the 19th century in Japan: Constraints on the provenance of lead source from the United Kingdom and Japan, Journal of Archaeological Science: Reports, 41, 103268-103268, Elsevier BV, English, Refereed, Scientific journal
DOI

Chitoshi Mizota; Robin Hansen; Takahiro Hosono; Azusa Okumura, 2022, Museum-archived and recent acquisition nitrates from the Atacama Desert, Chile, South America: refinement of the dual isotopic compositions (δ15N vs. δ18O), Isotopes in Environmental and Health Studies, 58 (1), 1-17, Informa UK Limited, English, Refereed, Scientific journal
DOI

TomohiroToki, Hina Kataoka, RyogoTakada, Shinji Nakaya, Syogo Oshima, Akira Ijiri, 2022, Spring discharge mechanism along the southeast coast of Yonaguni Island in the southern Ryukyu forearc, Journal of Hydrology: Regional Studies, 40 (101051), Refereed
DOI

Hoang Nguyen; Ryuichi Shinjo; Thi Huong Tran; Duc Luong Le; Duc Anh Le, 31 Dec. 2021, Mantle geodynamics and source domain of the East Vietnam Sea opening- induced volcanism in Vietnam and neighboring regions, Vietnam Journal of Marine Science and Technology, 21 (4), 393-417, Publishing House for Science and Technology, Vietnam Academy of Science and Technology (Publications), English, Refereed, Scientific journal
DOI

Ryuji Asami; Rikuto Hondo; Ryu Uemura; Masaki Fujita; Shinji Yamasaki; Chuan-Chou Shen; Chung-Che Wu; Xiuyang Jiang; Hideko Takayanagi; Ryuichi Shinjo; Akihiro Kano; Yasufumi Iryu, Dec. 2021, Last glacial temperature reconstructions using coupled isotopic analyses of fossil snails and stalagmites from archaeological caves in Okinawa, Japan, Scientific Reports, 11 (1), Springer Science and Business Media LLC, English, Refereed, Scientific journal
DOI

Azumi Kuroyanagi; Takahiro Irie; Shunichi Kinoshita; Hodaka Kawahata; Atsushi Suzuki; Hiroshi Nishi; Osamu Sasaki; Reishi Takashima; Kazuhiko Fujita, Dec. 2021, Decrease in volume and density of foraminiferal shells with progressing ocean acidification, Scientific Reports, 11 (1), Springer Science and Business Media LLC, Refereed, Scientific journal
DOI

千葉知世, 25 Oct. 2021, 海洋ごみガバナンスへの挑戦：ポスト・プラスチック社会を求めて, ACADEMIA, 183, 81-97, Japanese, Invited, Research institution

Kunihiko Kobayashi; Yoshiaki Nishikawa, Oct. 2021, Policies and practices of central and sub-national governments for seed commons formation in Japan: Will the seeds of the varieties collected and developed be shared?, International Journal of Agricultural Sustainability, 1-15, Informa UK Limited, English, Refereed, Scientific journal
DOI

Luong Le Duc; Hoang Nguyen; Ryuichi Shinjo; Renat B. Shakirov; Anatoly Obzhirov, 17 Sep. 2021, Chemical, mineralogical, and physicochemical features of surface saline muds from Southwestern sub-basin of the East Vietnam Sea: Implication for new peloids, Vietnam Journal of Earth Sciences, 1-13, Publishing House for Science and Technology, Vietnam Academy of Science and Technology (Publications), English, Refereed, Scientific journal
DOI

Takahiro Hosono; Chikashige Yamanaka, Jul. 2021, Origins and pathways of deeply derived carbon and fluids observed in hot spring waters from non-active volcanic fields, western Kumamoto, Japan, Earth, Planets and Space, 73 (155), Springer Science and Business Media LLC, English, Refereed, Scientific journal
DOI

Ryuji Asami; Taketo Matsumori; Ryuichi Shinjo; Ryu Uemura; Yuki Miyaoka; Masaru Mizuyama; Yuji Ise; Takashi Sakamaki, Jun. 2021, Reconstruction of ocean environment time series since the late nineteenth century using sclerosponge geochemistry in the northwestern subtropical Pacific, Progress in Earth and Planetary Science, 8 (1), Springer Science and Business Media LLC, English, Refereed, Scientific journal
DOI

A.T.M.Sakiur Rahman; Takahiro Hosono; Yasuhiro Tawara; Youichi Fukuoka; Aurelien Hazart; Jun Shimada, May 2021, Multiple-tracers-aided surface-subsurface hydrological modeling for detailed characterization of regional catchment water dynamics in Kumamoto area, southern Japan, Hydrogeology Journal, 29 (5), 1885-1904, Springer Science and Business Media LLC, English, Refereed, Scientific journal
DOI

M. Aizawa; R. Shinjo; S. Okamura; T. Takahashi; N. Fujibayashi, Apr. 2021, Geochemical evidence for “cryptic amphibole fractionation” and lower crust melting for the generation of island arc tholeiitic rocks from northern Fossa Magna, central Japan, Lithos, 386-387, 106028-106028, Elsevier BV, Refereed, Scientific journal
DOI

Mikihiro Sugiura; Ko Yasumoto; Mariko Iijima; Yuya Oaki; Hiroaki Imai, Apr. 2021, Morphological study of fibrous aragonite in the skeletal framework of a stony coral, CrystEngComm, Royal Society of Chemistry (RSC), Scientific journal
DOI

Mariko Iijima; Jun Yasumoto; Akira Iguchi; Kiyomi Koiso; Sayaka Ushigome; Natsuki Nakajima; Yuko Kunieda; Takashi Nakamura; Kazuhiko Sakai; Mina Yasumoto-Hirose; Kanami Mori-Yasumoto; Nanami Mizusawa; Haruna Amano; Atsushi Suzuki; Mitsuru Jimbo; Shugo Watabe; Ko Yasumoto, 17 Mar. 2021, Phosphate bound to calcareous sediments hampers skeletal development of juvenile coral, Royal Society Open Science, 8 (3), The Royal Society, Scientific journal
DOI

Shunichi Kinoshita; Azumi Kuroyanagi; Hodaka Kawahata; Kazuhiko Fujita; Toyoho Ishimura; Atsushi Suzuki; Osamu Sasaki; Hiroshi Nishi, Mar. 2021, Temperature effects on the shell growth of a larger benthic foraminifer (Sorites orbiculus): Results from culture experiments and micro X-ray computed tomography, Marine Micropaleontology, 163, 101960-101960, Elsevier BV, Refereed, Scientific journal
DOI

Mizota, C; Khanthavong, P; Hosono, T; Okumura, A; Yamanaka, T; Murano, H, Feb. 2021, Reworking saltpetre manufacture in Lao PRD: Implications for isotopic fractionation during the historic processes, Journal of Archaeological Science: Reports, 35, 102747-102747, Elsevier BV, English, Refereed, Scientific journal
DOI

Ishii, E; Watanabe, Y; Agusa, T; Hosono, T; Nakata, H, Feb. 2021, Acesulfame as a suitable sewer tracer on groundwater pollution: A case study before and after the 2016 Mw 7.0 Kumamoto earthquakes., Science of the Total Environment 754 142409, 754, English, Refereed, Scientific journal
DOI

Ritoko Kikunaga; Ke‐han Song; Shun Chiyonobu; Kazuhiko Fujita; Ryuichi Shinjo; Kyoko Okino, Jan. 2021, Shimajiri Group equivalent sedimentary rocks dredged from sea knolls off Kume Island, central Ryukyus: Implications for timing and mode of rifting of the middle Okinawa Trough back‐arc basin, Island Arc, 30 (1), Wiley, English, Refereed, Scientific journal
DOI

Tanimizu, M; Sugimoto, N; Hosono, T; Kuribayashi, C; Morimoto, T; Ito, A; Uman, R; Nishio, Y; Nagaishi, K; Ishikawa, T, 2021, Application of B and Li isotope systematics for detecting chemical disturbance in groundwater associated with large shallow inland earthquakes in Kumamoto, Japan., Geochemical Journal, 55 (4), 241-250, Geochemical Society of Japan, English, Refereed, Scientific journal
DOI

Alrum Armid; Ryuichi Shinjo; Amadhan Takwir; Ruslan Ruslan; Anugrah Wijaya, 2021, Spatial Distribution and Pollution Assessment of Trace Elements Pb, Cu, Ni, Fe and As in the Surficial Water of Staring Bay, Indonesia, Journal of the Brazilian Chemical Society, 32 (2), 299-310, Sociedade Brasileira de Quimica (SBQ), English, Refereed, Scientific journal
DOI

Ryuichi Shinjo; Tomoki Amuro; Kohei Oura; Kazuya Oshiro; Shiro Tahara; Harutaka Sakai, Jan. 2020, Geochemical characteristics of mafic and felsic igneous rocks (1.9–1.75 Ga) in the Lesser Himalaya: Regional variation and its implications for tectonic setting, Island Arc, 29 (1), Wiley, English, Refereed, Scientific journal
DOI

Reza Deevsalar; Ryuichi SHINJO, 2020, “Petrogenesis of gabbroic rocks from the Malayer plutonic complex (Sanandaj-Sirjan zone, west Iran)”: Discussion, Periodico di Mineralogia, 89, 281-284, English, Refereed, Scientific journal

MISC

千葉知世, Jul. 2025, 地下水ガバナンスへ向かって：現状と課題, 住民と自治, Invited, Introduction other

Ankei Takako; Ankei Yuji, Nov. 2023, Revisiting Kayano Shigeru Nibutani Ainu Museum, Beyond the "Nuisance of Being Investigated", Musubu, a monthly, (634), 26-27, Japanese, Invited, Introduction commerce magazine, むすぶ202311.pdf
むすぶ202311.pdf

Sugisaki Moe; Ankei Yuji, 26 Sep. 2023, Donation of African masks showing the teachings of indigenous peoples, Hokkaido Newspaper, Hidaka Area, 2023 (26September), 16-16, Japanese, Introduction other, 北海道新聞「日高」版2023.9.26.pdf
北海道新聞「日高」版2023.9.26.pdf

Ankei Takako; Ankei Yuji, Aug. 2023, "Cultural Competence of Iriomote Island" & Large resort on Ishigaki Island, Musubu, a monthly, (631), 32-33, Japanese, Invited, Introduction commerce magazine

Matsuda Yoshitaka; Ankei Yuji, 19 Jun. 2023, Passionate for the culture of Iriomote Island: Kinsei Ishigaki's posthumous book to be published, Yaeyama Daily News, 2023 (19June), 3-3, Japanese, Book review, 金星本紹介記事八重山毎日20230619b.jpeg
金星本紹介記事八重山毎日20230619b.jpeg

Matsuda Yoshitaka; Ankei Yuji, 25 May 2023, Yonaguni Island Biocultural Database, Yaeyama Daily News, 2023 (25May), 3-3, Japanese, N子本八重山毎日.jpeg
N子本八重山毎日.jpeg

Matsuda Yoshitaka; Ankei Yuji, 25 May 2023, Ms. Wakaranko Nko's Artbook "The Sources of Life: Yonaguni Island", Yaeyama Daily News, 2023 (25May), 3-3, Japanese, Book review, N子本八重山毎日.jpeg
N子本八重山毎日.jpeg

Kee Seungha, Sun-Kee Hong, May 2023, Necessity and Expected Effects of Designating Manjaedo Geopark in Shinan-gun for Revitalization of Island Ecotourism, 65-86, Korean

大野智彦, 2023, 八重瀬町民環境意識アンケート（2）地下水の保全と管理に対する意識, 地域の自然を活用した環境教育沖縄県八重瀬町をフィールドとして, 10-17, 琉球大学水循環プロジェクト, Introduction other

Ankei Takako; Ankei Yuji, Dec. 2022, Living on Soil, Visit of Indonesian Women's Group, Musubu, a monthly, (623), 34-35, Japanese, Invited, Introduction commerce magazine

新城竜一, Sep. 2022, 地球研LINKAGEプロジェクトが本格始動, 琉球大学環境報告書2022, 29-29, Japanese, Technical report

安渓遊地; 安渓貴子, 01 Oct. 2021, Eikiti ISO, Father of Ponlai Rice in Taiwan, 榕樹文化, (73-74), 1-13, Japanese, Introduction other

安渓遊地; 安渓貴子, 01 Oct. 2021, Eikichi ISO, Father of Ponlai Rice in Taiwan, 榕樹文化, (73-74), 1-13, Japanese, Introduction other, EikichiIsoFatherPonlaiRice.pdf
EikichiIsoFatherPonlaiRice.pdf

Ankei Takako; Ankei Yuji, May 2021, Local Areas are Schools: Tsubame Farm's Solar Letters (17), Musubu, a monthly, (604), 40-41, Japanese, Introduction other, OhisamaTayoriNo11-22.pdf
OhisamaTayoriNo11-22.pdf

Presentations

幸喜泰斗; 南隆生; Bam Razafindrabe; 飯島真理子; 山﨑ありす; 井出椋太; 谷上冬馬; 小倉孝文; 安元剛; Lucia Kusolo; 中村崇; 新城竜一; 友尻大幹; Chris Leong; 安元純, インドネシア・ワンギワンギ島における地下水の水質形成要因, 日本地下水学会2025年秋季講演会（大垣大会）, 17 Oct. 2025, 16 Oct. 2025 18 Oct. - 2025, Japanese, Oral presentation

千葉知世; 久保慶明, 環境問題をめぐる「制度的空白」概念の予備的考察, 環境経済・政策学会 2025年大会, 20 Sep. 2025, Japanese, Oral presentation

Tomoyo Chiba; Yoshiaki Kubo, A Preliminary Study on the Concept of "Institutional Voids" in Environmental Issues, 30th SEEPS Annual Conference 2025, 20 Sep. 2025, Japanese, Oral presentation

Miyuki Shimabukuro; Tomohiro Toki; Yoshiaki Kubo; Wakako Gomi, Indigenous Traditions and Water Governance: The Case of the Erfeng Irrigation Canal in Taiwan, The 2nd International Sociohydrology Conference (ISHC 2025), 20 Jul. 2025, 19 Jul. 2025 21 Jul. - 2025, English, Oral presentation

Maiko Sakamoto; Tomoyo Chiba; Atsuro Morita, Navigating human-water relations: Approaches to governance, The 2nd International Sociohydrology Conference, 19 Jul. 2025, English, Oral presentation

Chris Leong; Jun Yasumoto; Ryusei Minami; Makoto Taniguchi; Song Ke-Han; Mariko Iijima; Ko Yasumoto; Ryuichi Shinjo, Analyzing Groundwater Flow Dynamics on Kuroshima Island: Impacts of Submarine Groundwater Discharge on Coastal Ecosystems, JpGU2025, 29 May 2025, English, Oral presentation

平田菜乃佳; 細野高啓; 池原尚朋; 安元剛; 安元純; 飯島真理子; 新城竜一, Assessment of environmental impacts using nitrogen stable isotope ratios of seaweeds and terrestrial groundwater samples from in Sekisei Lagoon, Okinawa, JpGU2025, 29 May 2025, English, Oral presentation

安元純; Chris Leong; 安元剛; 南隆生; 宋科翰; 飯島真理子; 細野高啓; 谷口真人; 新城竜一, Phosphate Loading From a Freshwater Lens and Its Contribution to Exchangeable Phosphate in Seawater: Implications for Coral Reef Ecosystems, JpGU2025, 29 May 2025, Japanese

Pingkan Mayestika Afgatiani; Ryuichi Shinjo, Empirical modeling of total nitrogen distribution in seawater using optical Earth observation satellites: A case study of Yoron Island, Central Ryukyus, JpGU2025, 27 May 2025, English, Poster presentation

遠藤崇浩, 災害時の断水に備える井戸活用戦略, 琉球大学島嶼地域科学研究所すいまーるゼミナール「非常時地下水利用指針（案）」から島しょ地域の“応急水源”を考える、オンライン, 01 Mar. 2025, Invited

久保慶明, 地下水の不可視性が環境意識に及ぼす影響：日本とインドネシアにおけるサーベイ実験, 第174回関西公共政策研究会, 11 Jan. 2025, Invited, Japanese, Invited oral presentation

Ke-Han Song; Ryuichi Shinjo; Yuto Ito; Yumi Moromizato; Kakeru Matsuoka; Jun Yasumoto; Ko Yasumoto; Mariko Iijima; Takahiro Hosono, Boron Isotope-Based Assessment of Human Activity-Induced Contamination in the Ryukyu Limestone Groundwater System, 2025 Goldschmidt Conference, 2025, 06 Jul. 2025 11 Jul. - 2025, English, Poster presentation

Tomohiko Ohno; Christmas Uchiyama; Celine Jamine; Tatsuya Koga, Does the Style of Adaptive Governance Affect Social and Ecological Systems? A Meta-Analysis of Case Studies, 2024年度環境情報科学研究発表大会, 09 Dec. 2024, English, Poster presentation

Afgatiani, P.M.; Shinjo, R., Comparative Analysis Multispatial Imagery for Coral and Seagrass Distribution Mapping, 2024 IEEEInternational Conference onAerospace Electronics andRemote Sensing Technology (ICARES), 08 Nov. 2024, 08 Nov. 2024 09 Nov. - 2024, English, Oral presentation

松岡走; 安元純; 澤野陽介; 田原康博; 倉澤智樹; 中屋眞司; 新城竜一, 石灰岩の不均一性を考慮した地下ダム流域の3次元水循環モデリング, 農業農村工学会令和6年度九州沖縄支部大会, 31 Oct. 2024, Japanese, Oral presentation

南隆正; 安元純; 松岡走; 細野高啓; 澤野陽介; 田原康博; 高橋昌弘; 安元剛; 飯島真理子; 三浦豪; Chris Leon; 宋科翰; 新城竜一, 黒島における淡水レンズ経由のリン酸塩負荷量の推定, 日本地下水学会2024年秋季講演会, 17 Oct. 2024, 17 Oct. 2024 19 Oct. - 2024, Japanese, Oral presentation

松岡走; 安元純; 中屋眞司; 澤野陽介; 櫛渕みちる; 田原康博; 倉澤智樹; 安元剛; 宋科翰; 新城竜一, GETFLOWSによる地下ダム流域における土地利用が地下水中の硝酸性窒素濃度に与える影響評価, 日本地下水学会2024年秋季講演会, 17 Oct. 2024, 17 Oct. 2024 19 Oct. - 2024, Japanese, Oral presentation

中屋眞司; 益田晴恵; 安元純; 榊原厚一; 高田遼吾; 新城竜一; Innocent Lugodisha, タンザニア・メル―山斜面地域の地下水の希土類元素パターンから推定される有毒元素の希釈, 日本地下水学会2024年秋季講演会, 17 Oct. 2024, 17 Oct. 2024 19 Oct. - 2024, Japanese

安渓遊地, 上関中間貯蔵施設への日本生態学会要望書と《生物多様性やまぐち戦略》, 「奇跡の海」を未来の子どもたちに, 14 Oct. 2024, 14 Oct. 2024 14 Oct. - 2024, Invited, Japanese, Invited oral presentation
上関シンポ冊子20241014トンボなし.pdf

井出椋太; 安元剛; 水澤奈々美; 渡部終五; 新城竜一; 宋科翰; 池原尚朋; 細野高啓; 飯島真理子; 井口亮; 松岡走; 安元純, 黒島における淡水レンズ地下水の微生物叢が沿岸海域に及ぼす影響, 日本地下水学会2024年秋季講演会, Oct. 2024, 17 Oct. 2024 19 Oct. - 2024, Japanese, Oral presentation

安渓遊地; 安渓貴子, 文化力のある地域は滅びない ―西表島の石垣金星さんとの出会い, 新時代アジアピースアカデミー（NPA）13期コース9「環境運動のパブリックヒストリーPart6 ほしい未来をつくるために人びとの経験から学ぶ歴史実践」, 10 Sep. 2024, Invited, Japanese
西表島金星人との出会いAnkeisSmaller.pdf

安渓遊地; 安渓貴子, 文化力のある地域は滅びない ―西表島の石垣金星さんとの出会い, 新時代アジアピースアカデミー（NPA）13期コース9「環境運動のパブリックヒストリーPart6 ほしい未来をつくるために人びとの経験から学ぶ歴史実践」, 10 Sep. 2024, Invited, Japanese, Public discourse
西表島金星人との出会いAnkeisSmaller.pdf

安渓遊地; 安渓貴子, 与那国島の自然と共に生きる会発足集会でのコメント, 与那国島の自然と共に生きる会発足集会（Zoom）, 07 Sep. 2024, Invited, Japanese

安渓遊地; 安渓貴子, 与那国島の自然と共に生きる会発足集会でのコメント, 与那国島の自然と共に生きる会発足集会（Zoom）, 07 Sep. 2024, Invited, Japanese, Public discourse

関島恒夫; 大久保弥美; 安渓遊地, 山口県上関町の中間貯蔵施設、環境アセスメント実施を日本生態学会、国に中電への助言求める要望書, 日本生態学会自然保護専門委員会要望書の環境省への提出, 05 Aug. 2024, Japanese, Media report
中国新聞上関申し入れ20240806.jpg

Soyo Takahashi, The seashell and material culture, "Fragile Heritages and Sustainable Futures: Compared Archipelagos”Workshop Franco-Japonais, Research Institute for Humanity and Nature The Japan Center for Environment Study (Kyoto, Japon) , CNRS Centre de Recherches et de Documentation sur l'Océanie (Marseille, France) , Labex Corail - Projet TRANSEC, à Hyères, Villa Magdala, 20 Jun. 2024, 17 Jun. 2024 21 Jun. - 2024, English, Oral presentation

Ankei Yuji; Ankei Takako, Mwacha asili ni mtumwa*: A Human-Nature Relations Database of the Songola people, Maniema, DRC *One who leaves one's ancestry is a slave (a Swahili proverb)., Banturivers. International Conference: Social spaces, languages, and material culture in the history of the northern Congo Basin (ULB-UNIKIS at Kisangani D. R. Congo), 19 Jun. 2024, 17 Jun. 2024 21 Jun. - 2024, Invited, French, Keynote oral presentation
BanturiversAnkeisPresentationFinalSmall.pdf

Soyo Takahashi; Frederic Joulian; Roosmarijn Palland; Hiroyuki Yamaguchi; Norie Tamura; Takehito Yoshida, Toward Convivial empathy of humanities and nature, the Sustainability Research and Innovation Congress 2024, 12 Jun. 2024, 11 Jun. 2024 14 Jun. - 2024, English, Public symposium

土岐知弘; 宮城裕; 平良優佳; 宮里香江; 鹿児島渉悟; 井尻暁; 宮嶋佑典; 新城竜一; 大坪誠; 木下正高; KH; 乗船研究者一同, Chemical and Isotopic Characteristics of Pore Water in Surface Sediments of the Southern Okinawa Trough Back-arc Basin, JpGU 2024, May 2024, 26 May 2024 31 May - 2024, Japanese, Oral presentation

南隆正; 安元純; 安元剛・Leong Chris; 飯島真理子; 細野高啓; 新城竜一; SONG KE-HAN; 谷口真人; 高橋昌弘; 三浦豪; 澤野陽介; 田原康博, Characterization of Freshwater Lens Distribution and Groundwater Flow Properties in Kuroshima Island Integrating Electrical Resistivity Tomography and Numerical Analysis, JpGU 2024, May 2024, 26 May 2024 31 May - 2024, English, Poster presentation

Pingkan Mayestika Afgatiani; Ryuichi Shinjo; Fitra Annurhutami, Assessing the Influence of NO3-N in the Seawater on the Composition of Benthic Communities: Utilizing Remote Sensing Techniques, JpGU 2024, May 2024, 26 May 2024 31 May - 2024, English, Oral presentation

宋科翰; 新城竜一; 伊藤湧人; 諸見里由美; 安元純, Boron isotope geochemistry as a tracer to evaluate groundwater contamination in the Quaternary Ryukyu Limestone aquifer in the southern region of Okinawa Island, SW Japan, JpGU 2024, May 2024, 26 May 2024 31 May - 2024, English, Oral presentation

Ryuichi SHINJO, Adaptive governance of multiple resources based on land-sea linkage of the water cycle at coral reef islands – a case study of the Ryukyu islands (Japan) and Wakatobi (Indonesia): RHIN LINKAGE project, The 15th Southeast Asian Biosphere Reserves Network (SeaBRnet) Meeting: “Optimizing Multi-stakeholders Collaboration for Biodiversity Conservation and Socio-economic Resilience in Biosphere Reserves” Road to Hangzhou 2025, Apr. 2024, 30 Apr. 2024 02 May - 2024, Invited, English, Invited oral presentation

安元剛; 武田結仁; 舘小路紗礼; 井出涼太; 大野良和; 水澤奈々美; 渡部終五; 廣瀬美奈; 新城竜一; 飯島真理子; 井口亮; 安元純, Annual Variations of Sediment-Accumulated Phosphorus and Its Relationship with Coral Distribution in Sekisei Lagoon, 水産学会春季大会, 03 Feb. 2024, 03 Feb. 2024, Japanese, Oral presentation

井出椋太; 安元剛; 水澤奈々美; 丸山莉織; 渡部終五; 宋科翰; 新城竜一; 細野高啓; 池原尚朋; 飯島真理子; 井口亮; 安元純; 金城尚; 上原望笑; 松岡走, Analysis of Microbial Communities and Functional Genes in the Groundwater Freshwater Lens on Kuroshima Island, Located in Sekisei Lagoon, 水産学会春季大会, 03 Feb. 2024, 03 Feb. 2024, Japanese

丸山莉織; 水澤奈々美; 安元剛; 渡部終五; 廣瀬美奈; 宋科翰; 新城竜一; 細野高啓; 飯島真理子; 井口亮; 上原望笑; 松岡走; 安元純, Elucidation of Microbial Communities and Dynamics of Nitrogen Metabolism Genes in Groundwater from the Southern Region of Okinawa Island Using 16S rRNA Analysis and Shotgun Metagenomic Analysis, 水産学会春季大会, 03 Feb. 2024, 03 Feb. 2024, Japanese

高橋そよ, 琉球弧における参加型古写真調査の事例（公開・活用を中心に）, 韓国国立民俗博物館・国立歴史民俗博物館写真デジタルアーカイブ研究会, 24 Jan. 2024, Nominated symposium

Ankei Takako, Traditional Environmental Knowledge in the Congo Basin with Special Reference to Cooking and Brewing, Banturivers. International Conference: Social spaces, languages, and material culture in the history of the northern Congo Basin (ULB-UNIKIS at Kisangani D. R. Congo), 15 Jan. 2024, 15 Jan. 2024 19 Jan. - 2024, Invited, English, Keynote oral presentation

伊藤湧人; 新城竜一; 宋科翰, 沖縄島の湧水の硝酸・リン酸イオン濃度マッピング, 総合地球環境学研究所第13回同位体環境学シンポジウム, 22 Dec. 2023, Japanese, Poster presentation

堀上隼之介; 浅海竜司; 細田茜音; 新城竜一; Ki-Cheol SHIN; 高柳栄子; 井龍康文, 与論島の土地利用変遷によるサンゴ礁環境の経年変動:現生サンゴ骨格の年輪解析からの復元, 日本サンゴ礁学会第26回大会, 23 Nov. 2023 26 Nov. - 2023, Japanese, Poster presentation

細田茜音; 浅海竜司; 堀上隼之介; 新城竜一; Ki-Cheol SHIN; 高柳栄子; 井龍康文, 鹿児島県与論島のサンゴ骨格記録による過去300年間の水温と塩分の長期変動解析, 日本サンゴ礁学会第26回大会, 23 Nov. 2023 26 Nov. - 2023, Japanese, Poster presentation

丸山莉織; 安元剛; 水澤奈々美; 渡部終五; 廣瀬(安元)美奈; 宋科翰; 新城竜一; 細野高啓; 飯島真理子; 井口亮; 安元純; 金城尚; 上原望笑; 松岡走, 琉球石灰岩帯水層における微生物叢と窒素代謝遺伝子の季節変化, 日本地下水学会2023年秋季講演会, 16 Nov. 2023 18 Nov. - 2023, Japanese, Oral presentation

池原尚朋; 細野高啓; HERMAWAN Oktanius Richard; 安元純; 安元剛; 丸山莉織; 飯島真理子; SONG KE-HAN; 新城竜一; 上地安幸, 沖縄県多良間島淡水レンズにおける地下水中の硝酸性窒素の起源と挙動に関する一考察, 日本地下水学会2023年秋季講演会, 16 Nov. 2023 18 Nov. - 2023, Japanese

井出椋太; 丸山莉緒; 安元剛; 水澤菜々美; 渡部終五; 宋科翰; 新城竜一; 細野高啓; 池原尚朋; 飯島真理子; 井口亮; 安元純; 金城尚; 上原望笑; 松岡走, 黒島における淡水レンズ中の微生物叢群衆と機能性遺伝子解析, 日本地下水学会2023年秋季講演会, 16 Nov. 2023 18 Nov. - 2023, Japanese

澤野陽介; 田原康博; 櫛渕みちる; 松田大樹; 辻本卓郎; 野崎真司; 新城竜一; 宋科翰; 倉澤智樹; 中屋眞司; 松岡走; 上原望笑; Bam H N.Razafindrabe; 安元純, 沖縄県八重瀬町慶座地下ダム流域を対象とした不均質な透水性を考慮した水循環モデリング, 日本地下水学会2023年秋季講演会, 16 Nov. 2023 18 Nov. - 2023, Japanese

安元純; 金城尚; 松岡走; 上原望笑; 宋科翰; 安元剛; 丸山莉緒; 飯島真理子; 鈴村昌弘; 井口亮; 浅井和見; 細野高啓; Chris Leong; 谷口真人; 新城竜一, 潮汐が石灰岩帯水層における塩水侵入と海底地下水湧出に及ぼす影響, 日本地下水学会2023年秋季講演会, 16 Nov. 2023 18 Nov. - 2023, Japanese, Oral presentation

Ankei Yuji, A Research without Bothers to Local Peoples, is it possible?, Lake Biwa Museum Research Ethics Training, 10 Nov. 2023, 10 Nov. 2023 10 Nov. - 2023, Invited, Japanese, Public discourse
2023年11月10日琵琶湖博物館研究倫理研修レジュメ（安渓遊地）.pdf

相澤正隆; 峯田祥太朗; 屋冨祖淳史; 宋科翰; 中西諒; 新城竜一, 西表島南方の海底から発見された未知の火山灰層, 日本地質学会第130年学術大会2023京都大会, 17 Sep. 2023 19 Sep. - 2023, Japanese

千徳明日香; 冨田恭平; 宋科翰; 新城竜一; 相澤正隆; 徳田悠希; 奥村大河; 市村康治, 沖縄県宮城島西部に分布する島尻層群の堆積環境及び貝化石と砕屑性ジルコンを用いた年代測定, 日本地質学会第130年学術大会2023京都大会, 17 Sep. 2023 19 Sep. - 2023, Japanese, Poster presentation

久保慶明, サンゴ礁島嶼系における階層的環境ガバナンス, 環境科学会2023年会, 08 Sep. 2023, 07 Sep. 2023 08 Sep. - 2023, Japanese, Public symposium

土岐知弘; 島袋美由紀; 島袋仁; 久保慶明, 与論島における住民主体で制作するボードゲームを用いた未来志向の試み, 水文・水資源学会／日本水文科学会 2023年度研究発表会, 04 Sep. 2023, Japanese, Poster presentation

友尻大幹; 新城竜一; Leong Chris; Uchiyama Chrismas; 安元純; Razafindrabe Bam; 高橋そよ; 久保慶明, サンゴ礁島嶼系における水循環を軸としたマルチリソースの順応的ガバナンスを目指す超学際プロジェクト：地球研LINKAGEプロジェクト, 水文・水資源学会／日本水文科学会 2023年度研究発表会, 04 Sep. 2023, Japanese, Poster presentation

友尻大幹; 新城竜一; Leong Chris; Uchiyama Chrismas; 安元純; Razafindrabe Bam; 高橋そよ; 久保慶明, サンゴ礁島嶼系における水循環を軸としたマルチリソースの順応的ガバナンスを目指す超学際プロジェクト：地球研LINKAGEプロジェクト, 水文・水資源学会／日本水文科学会2023年度研究発表会, 04 Sep. 2023, 03 Sep. 2023 06 Sep. - 2023, Japanese, Poster presentation

Tomoyo Chiba; Maiko Sakamoto; Atsuro Morita, The interaction between society and water: policy and governance perspectives, 日本学術会議公開シンポジウム「ようこそ社会水文学へ水と社会の相互作用を考える」, 03 Sep. 2023, 03 Sep. 2023, Japanese, Nominated symposium

Ankei Yuji; Ankei Takako, Mr. Kayano Shigeru and the research ethics of fieldwork, Interview with a journalist in Kayano Shigeru's Museum of Ainu, in Nibutani, Hokkaido, 19 Jul. 2023, 19 Jul. 2023 19 Jul. - 2023, Invited, Japanese, Media report

Wakaranko Nko; Ankei Yuji; Ankei Takako; Hanasaki Kohei, Original Art Exhibition of "Yonaguni Island: A source of life", Original Art Exhibition of "Yonaguni Island: A source of life” in Otaru, Hokkaido, 15 Jul. 2023, 13 Jul. 2023 15 Jul. - 2023, Invited, Japanese, Public discourse

Ryuichi SHINJO, Land-sea linkage with water cycle at Yaese (southern Japan), research activities in groundwater monitoring, and sharing results with residents, Sustainability Research + Innovation 2023 (SRI2023) in Panama and online. SRI Asia Spotlight Event (ASE). Session “ENVISION: Reconciling and envisioning future pathways for adaptive governance in small coral reef-island systems”, 12 Jul. 2023, Jun. 2023 Jul. - 2023, English, Oral presentation

Kakegawa, T; Christensen, S; Ishida, A; Araoka, D; Shinjo, R, Origin of B- and P-rich thermal waters in northeastern Japan: Modern analogue of nucleotide-forming environments on the early Earth, Goldschmidt conference, 09 Jul. 2023 14 Jul. - 2023, English, Oral presentation

Ankei Yuji; Ankei Takako, SATOYAMA: Its Nature and Development Issues, Citizen's Lecture hosted by the Association for Protecting the Home and Forest of the Crested Serpent Eagle, Ishigaki Island, 03 Jul. 2023, 03 Jul. 2023 03 Jul. - 2023, Invited, Japanese, Public discourse

安渓遊地; 安渓貴子, Secret Stories in the Making of "Cultural Competence of Iriomote Island": 50 years with Mr. Kinsei Ishigaki, A seminar hosted by the Society for Ecotourism in Iriomote Island, 01 Jul. 2023, Invited, Public discourse

Ankei Yuji; Ankei Takako, Secret Stories of the Making of "The Cultural Competence of Iriomote Island: Talks on the 50 Years with Kinsei Isigakii, A seminar hosted by the Society for Ecotourism in Iriomote Island, 01 Jul. 2023, 01 Jul. 2023 01 Jul. - 2023, Invited, Japanese, Public discourse

Chris Leong; Daiki Tomojiri; Ryuichi Shinjo; Jun Yasumoto; Bam Razafindrabe, Taking a look at hydrological research in the Oceania region, Japan Geoscience Union Meeting 2023, 26 May 2023, 21 May 2023 26 May - 2023, English, Oral presentation

新城竜一; 宇佐美賢; 宮城宏之; 仲村渠聖也; 宋科翰; 高橋凪, 慶良間諸島に分布する慶良間層（四万十帯）の産状および砕屑性ジルコンの年代測定の試み, 日本地球惑星科学連合2023年大会, 21 May 2023 26 May - 2023, Oral presentation

SONG KE-HAN; 新城竜一; 伊藤湧人; 諸見里結美; 安元純, Boron isotope as a tracer for groundwater contamination in Quaternary limestone aquifer in the southern part of Okinawa Island, Japan, 日本地球惑星科学連合2023年大会, 21 May 2023 26 May - 2023, English, Oral presentation

安元純; 新城竜一; 金城和俊; 高橋そよ; ラザフィンラベバム; 渡久地朝央; 安元悠子; 久保慶明, 亜熱帯島嶼の持続可能な水資源利用に向けた参画・合意に基づく流域ガバナンスの構築, 日本地球惑星科学連合2023年大会, 21 May 2023 26 May - 2023, English, Oral presentation

Chris Leong; Daiki Tomojiri; Ryuichi Shinjo; Jun Yasumoto; Bam Razafindrabe, Taking a look at hydrological research in the Oceania region, 日本地球惑星科学連合2023年大会, 21 May 2023 26 May - 2023, English, Oral presentation

松岡走; 安元純; 中屋眞司; 森松光梨; 金城尚; Razafindrabe Bam; 櫛渕みちる; 田原康博; 新城竜一, Estimation of Groundwater Residence Time in Ryukyu limestone aquifer, 日本地球惑星科学連合2023年大会, 21 May 2023 26 May - 2023, English

安元純; 町田璃美乃; 廣瀬美奈; 金城尚; 安元剛; 丸山莉織; 水澤奈々美; 細野高啓; Bam Razafindrabe; 新城竜一, 琉球石灰岩地域における地下水の脱窒関連遺伝子nirSの変動特性, 日本地球惑星科学連合2023年大会, 21 May 2023 26 May - 2023, English, Poster presentation

丸山莉織; 水澤奈々美; 安元剛; 高田遼吾; 安元純; 廣瀬美奈; 飯島真理子; 井口亮; Okutanius Hermawan; 細野高啓; KE-HAN SONG; 新城竜一; 渡部終五, 琉球石灰岩帯水層における微生物叢の解析と窒素代謝および硫黄代謝関連遺伝子の解析, 日本地球惑星科学連合2023年大会, 21 May 2023 26 May - 2023, English, Poster presentation

池原尚朋; 細野高啓; ヘルマワンリチャード; 安元純; 安元剛; 丸山莉織; 飯島真理子; 宋科翰; 新城竜一, Origin and behavior of nitrate nitrogen in the freshwater lens deduced by multiple stable isotope ratios in Tarama Island, Okinawa, Japan, 日本地球惑星科学連合2023年大会, 21 May 2023 26 May - 2023, English, Poster presentation

安渓遊地; 安渓貴子, Islanders' View of the Cosmos and Life: the world of a picturebook "Nu'tinukaara Dunan, Yonaguni Island, the Source of Life", The Society for Ecological Anthropology, 17 Mar. 2023, Oral presentation

安渓遊地; 安渓貴子, Islanders' View of the Cosmos and Life: the world of a picturebook "Nu'tinukaara Dunan, Yonaguni Island, the Source of Life", The Society for Ecological Anthropology, 17 Mar. 2023, 17 Mar. 2023 18 Mar. - 2023, Japanese, Oral presentation

Razafindrabe, B.H.N; Yasumoto, J; Tawara, Y; Murai, M; Kushibuchi, M; Tsujimoto, T; Nozaki, S; Yasumoto, K; Takada, R; Nakaya, S; Shinjo, R, Application of three-dimensional water cycle modeling in Okinawa Island, southern Japan, AGU Fall Meeting 2022, 12 Dec. 2022, 12 Dec. 2022 16 Dec. - 2022, English

Shinjo, R; Yasumoto, J; Takahashi, S; Kubo, Y; Razafindrabe; B.H.N, Adaptive Governance of Multiple Resources based on Land-sea Linkages of the Water Cycle at Coral Reef Islands: A Case Study of the Ryukyu Islands (Japan), Wakatobi (Indonesia), and Palau Islands, AGU Fall Meeting 2022, Dec. 2022, 12 Dec. 2022 16 Dec. - 2022, English

Yasumoto, J; Yasumoto, K; Iijima, M; Nakamura, T; Sakai, K; Iguchi, A; Hirose Yasumoto, M; Tawara, Y; Takada, R; Nakaya, N; Razafindrabe, B.H.N; Shinjo, R, Determination of the threshold of total phosphate daily loads as revealed by integrated hydrological modelling for protect coral reefs ecosystem in Okinawa, Japan, AGU Fall Meeting 2022, Dec. 2022, 12 Dec. 2022 16 Dec. - 2022, English

Song, K.H; Ito, Y; Moromizato, Y; Shinjo, R; Takada, R; Yasumoto, J, Pollution sources of groundwater contamination diagnosed by boron isotope composition in Okinawa, Yoron, and Tarama Islands, southern Japan, AGU Fall Meeting 2022, Dec. 2022, 12 Dec. 2022 16 Dec. - 2022, English

Maruyama, R; Yasumoto, K; Yasumoto, J; Hirose Yasumoto, M; Iijima, M; Iguchi, A; Mizusawa, M; Watabe, S, Microbial communities and functional genes involved in the nitrogen cycling of groundwater in the Ryukyu Limestone area as revealed by shotgun metagenomics, AGU Fall Meeting 2022, Dec. 2022, 12 Dec. 2022 16 Dec. - 2022, English

中村崇; Mariyam; Shidha Afzal; 池田香菜; 上野光弘, 石西礁湖におけるサンゴ群集への大規模白化による攪乱, 第25回日本サンゴ礁学会, 13 Nov. 2022, Nominated symposium

Yin Xiangyu; Shi Zongyan; Takashi Nakamura, コユビミドリイシの受精および幼生期対する軽石漂流・漂着の潜在的影響, 第25回日本サンゴ礁学会, 12 Nov. 2022, Poster presentation

Tracy Tabalanza; Takashi Nakamura, Effect of sedimentation on the settlement competencies of two coral species (Acropora digitifera and Sinularia sp.), 第25回日本サンゴ礁学会, 12 Nov. 2022, Poster presentation

中野ひとみ; 新城竜一; 駒谷慎太郎, µ-XRFを用いた福徳岡ノ場の軽石の元素分析および地球科学的考察, (公社)日本分析化学会 X線分析研究懇談会第58回X線分析討論会, 10 Nov. 2022, 11 Nov. - 2022, Japanese, Oral presentation

久保慶明, コロナ禍の人の移動に関する個人の選好, 神戸大学政治学研究会, 27 Oct. 2022, Invited, Japanese, Public discourse

Ryuichi Shinjo, Groundwater resources and supply issues - a case study in Japan, GetIn-CICERO international conference, 26 Jul. 2022, 25 Jul. 2022 26 Jul. - 2022, Invited, English, Keynote oral presentation

Ryuichi Shinjo, Climate change and its impact on small islands: Geology and Hydrology of Ryukyu Island Arc, southernmost Japan, Public lecture, Halu Oleo University, Indonesia, 21 Jul. 2022, 21 Jul. 2022, Invited, English, Public discourse

細田茜音; 浅海竜司; 杉本周作; 高柳栄子; 新城竜一; 中森亨; 井龍康文, Long-term variation of the Western Pacific Warm Pool since the 18th century reconstructed from modern coral geochemistry, Japan Geoscience Union Meeting 2022, 03 Jun. 2022, Japanese
MIS18-P01.pdf

Asami, R; Hondo, R; Uemura, R; Fujita, M; Yamasaki, S; Shen, C.C; Wu, C.C; Jiang, X; Takayanagi, H; Shinjo, R; Kano, A; Iryu, Y, A geoarchaeological approach for estimating last glacial temperatures using coupled isotopic analyses of fossil snails and stalagmites from limestone caves in Okinawa, Japan, 日本地球惑星科学連合2022年大会, 03 Jun. 2022, English, Poster presentation
MIS18-P08.pdf

Song, K.H; Ito, Y; Moromizato, Y; Shinjo, R; Takada, R; Yasumoto, J, Pollution sources of groundwater contamination diagnosed by boron isotope composition in Okinawa, Yoron, and Tarama Islands, southern Japan, Japan Geoscience Union Meeting 2022, 01 Jun. 2022, English
AHW24-P08.pdf

Hermawan, O.R; Hosono, T; Yasumoto, J; Song, K.H; Shinjo, R, Identification of the occurrence of denitrification in the Ryukyu limestone aquifer in southern Okinawa, Japan Geoscience Union Meeting 2022, 01 Jun. 2022, English, Poster presentation
AHW24-P02.pdf

Itatani, Y; Ishibashi, J; Shinjo, R; Yamanaka, T; Okazaki, Y; Onoue, T, Subseafloor mixing between the hydrothermal fluid and seawater at the Ieyama Hydrothermal Field, Mid-Okinawa Trough, based on mineralogy and geochemistry of clay minerals and sulfate minerals, Japan Geoscience Union Meeting 2022, 29 May 2022, Japanese
SCG48-P02.pdf

Asami, R; Hondo, R; Uemura, R; Fujita, M; Yamasaki, S; Shen, C.C; Wu, C.C; Jiang, X; Takayanagi, H; Shinjo, R; Kano, A; Iryu, Y, Geoarchaeological approach for reconstructing last glacial temperatures using coupled isotopic analyses of fossil snails and stalagmites from limestone caves in Okinawa, Japan, EGU General Assembly 2022, 26 May 2022, English, Oral presentation
EGU22-4159-print.pdf

Christensen, S.R; Ishida, A; Shinjo, R; Kakegawa, T, Ancient magmatic brine origin of boron-rich fluids in northwestern Iwate prefecture in Japan, Japan Geoscience Union Meeting 2022, 25 May 2022, Japanese
HRE13-05.pdf

Yasumoto, J; Yasumoto, K; Iijima, M; Takada, R; Iguchi, A; Nakamura, T; Sakai, K; Watabe, S; Shinjo, R; Tawara, Y; Yasumoto Hirose, M; Razafindrabe; B.H.N, Estimation of the terrestrial phosphate loading by integrated hydrological modelling for evaluation of phosphorus accumulated in calcareous sediments, Japan Geoscience Union Meeting 2022, 24 May 2022, English, Oral presentation
AHW24-09.pdf

Shinjo, R; Yasumoto, J; Takahashi, S; Kubo, Y; Razafindrabe; B.H.N, LINKAGE project: adaptive governance of multiple resources based on land-sea linkages of the water cycle at coral reef islands, Japan Geoscience Union Meeting 2022, 24 May 2022, English, Oral presentation
AHW24-10.pdf

Ko Yasumoto; Mariko Iijima; Jun Yasumoto; Ryogo, Takada; Takashi Nakamura; Akira Iguchi; Atsushi Suzuki; Mina Hirose-Yasumoto; Nanami Mizusawa; Mitsuru Jimbo; Shugo Watabe, The terrestrial impact evoked by the land-originated phosphate adhering to coastal calcareous sediments on coral reef ecosystem in Sekisei Lagoon, Japan Geoscience Union meeting 2022, May 2022, Oral presentation

高橋　そよ, 生物文化多様性の知恵を学ぶ、結ぶ、そしてひらく, 東海大学沖縄地域研究センターウェブセミナー八重山地域における生態系研究の現状と今後, 東海大学, オンライン, 17 Mar. 2022, Oral presentation

安元　純, 海底底質に残る陸域負荷がサンゴの生息環境に及ぼす影響, 東海大学沖縄地域研究センターウェブセミナー八重山地域における生態系研究の現状と今後, 東海大学, オンライン, 17 Mar. 2022, Oral presentation

新城竜一, 琉球弧のマグマ活動, 沖縄県立博物館・美術館令和3年度第535回博物館文化講座, 19 Feb. 2022, 19 Feb. 2022, Invited, Japanese, Public discourse

当山　昌直, 生物文化とは, 生物多様性おきなわブランド発信事業シンポジウム in 宮古島, 沖縄県環境部自然保護課, 沖縄県, 19 Dec. 2021, Japanese, Oral presentation

新城竜一, ホウ素同位体比：海洋pH復元と海底熱水系への応用, 総合地球環境学研究所第11回同位体環境学シンポジウム, 17 Dec. 2021, 17 Dec. 2021, Invited, Japanese, Invited oral presentation

Song, K; Ito, Y; Moromizato, Y; Shinjo, R; Yasumoto, J; Takada, R, Boron isotope fingerprints offering a tool for nitrate source identification in groundwater pollution at the southern part of Okinawa Island and Yoron Island, Ryukyu islands, Japan, AGU Fall Meeting, 13 Dec. 2021, 13 Dec. 2021 17 Dec. - 2021, English, Poster presentation

Shinjo, R, Adaptive Governance of Multiple Resources based on Land-sea Linkages of the Water Cycle: Application to Coral Reef Island Systems, The 8th East Asian Island and Ocean Forum 2021, 11 Dec. 2021, 11 Dec. 2021, Invited, English, Public symposium

サンゴと栄養塩, 公益社団法人日本地下水学会 2021年秋季講演会, 公益社団法人日本地下水学会, 沖縄県那覇市, 03 Dec. 2021, Japanese, Invited oral presentation

山本祐生; 細野高啓; Oktanius Richard Hermawan; 新城竜一; 伊藤湧人; 宋科翰; 安元純; 宮城もね; 松岡走; 高田遼吾; 安元剛; 丸山莉緒; 三雲さき; 飯島真理子, 沖縄県多良間島の淡水レンズにおける硝酸性窒素の起源と挙動に関する 2021 年調査報告, 日本地下水学会, 02 Dec. 2021, 02 Dec. 2021 04 Dec. - 2021

丸山莉織; 安元剛; 水澤奈々美; 天野春菜; 神保充; 渡部終五; 高田遼吾; 廣瀬(安元)美奈; 新城竜一; 細野高啓; 飯島真理子; 井口亮; 安元純, 琉球石灰岩地域における陸水のメタゲノム解析, 日本地下水学会2021年秋季講演会, 02 Dec. 2021, 02 Dec. 2021 04 Dec. - 2021, Japanese, Oral presentation

澤野陽介; 田原康博; 村井敦子; 坂内正和; 辻本卓郎; 野﨑真司; 新城竜一; Bam H.N. Razafindrabe; 安元純, 沖縄本島南部地域における三次元水循環モデリングの適用, 日本地下水学会2021年秋季講演会, 02 Dec. 2021, 02 Dec. 2021 04 Dec. - 2021, Japanese, Oral presentation

Hermawan, O.R; Hosono, T; Yasumoto, J; Shinjo, R; Mizota, C; Yamanaka, T, Cause of elevated sulfate concentrations in limestone aquifers in southern Okinawa Island, Japan, 日本地下水学会2021年秋季講演会, 02 Dec. 2021, 02 Dec. 2021 04 Dec. - 2021, English

山本祐生; 細野高啓; Hermawan, O.R; 新城竜一; 伊藤湧人; 宋科翰; 安元純; 宮城もね; 松岡走; 高田遼吾; 安元剛; 丸山莉緒; 三雲沙貴; 飯島真理子, 沖縄県多良間島の淡水レンズにおける硝酸性窒素の起源と挙動に関する 2021 年調査報告, 日本地下水学会2021年秋季講演会, 02 Dec. 2021, 02 Dec. 2021 04 Dec. - 2021, Japanese

利部慎; 安元純; 新城竜一, 沖縄本島南部地下ダム流域における地下水の滞留時間と水質の応答特性, 日本地下水学会2021年秋季講演会公開シンポジウム, 02 Dec. 2021, 02 Dec. 2021 04 Dec. - 2021, Japanese, Oral presentation

新城竜一, 南の島の水循環:陸と海のリンケージ, 日本地下水学会2021年秋季講演会公開シンポジウム, 02 Dec. 2021, 02 Dec. 2021 04 Dec. - 2021, Invited, Japanese, Nominated symposium

Song, K.-H; Moromizato, Y; Ito, Y; Shinjo, R; Yasumoto, J; Takada, R, Boron isotopic characterization for groundwater pollution at the southern part of Okinawa Island and Yoron Island, Ryukyu Islands, Japan, 日本地下水学会2021年秋季講演会, 02 Dec. 2021, 02 Dec. 2021 02 Dec. - 2021, English, Oral presentation

Mariyam S. AFZAL; Konomi TAKEICHI; Kana IKEDA; Mitsuhiro UENO; Akira IGUCHI; Takashi NAKAMURA, Status of Sekisei Lagoon's Coral Reefs Five Years Post Bleaching Event of 2016, 第24回日本サンゴ礁学会, 29 Nov. 2021, Oral presentation

Yoshiaki Kubo; Isamu Okada, COVID-19 Health Certification Reduces Outgroup Bias: Evidence from a Conjoint Experiment in Japan, The Lecture Series, Japan and International Migration: Recent Developments, Emerging Dynamics, Japan-Center at LMU Munich, 22 Nov. 2021, Invited, English, Public discourse

Tomoyo Chiba, Issues of marine plastics from the viewpoint of beach litter study, ハイテク推進セミナー, 生産技術振興協会, 29 Oct. 2021, Invited, Japanese, Public discourse

千葉知世, 大阪湾のプラスチック問題：友が島での調査から, 第32回廃棄物資源循環学会研究発表会, 27 Oct. 2021, Invited, Japanese, Invited oral presentation

崎田裕子、千葉知世、金子洋平、高垣晴夫、平尾禎秀, プラスチック一括回収等今後のプラスチック対策の方向性（パネルディスカッション）, 第15回3R推進全国大会, 20 Oct. 2021, Invited, Japanese, Nominated symposium

呉屋淳子, 「『まーすけーい歌』の記憶を共有するーパブリック・ヒューマニティーズの視点から考える歌の継承ー」, 日本民俗学会第７３回年会オンライン発表, 10 Oct. 2021, Japanese, Oral presentation
要旨（呉屋淳子）.pdf

当山　昌直, 沖縄島でみられる両生爬虫類文化, 日本爬虫両棲類学会第60回大会, 日本爬虫両棲類学会, オンライン, 19 Sep. 2021, Japanese, Oral presentation

高橋　そよ, 湧き水と生物文化多様性ー琉球弧の事例から, 日本学術会議公開シンポジウム「水」と「水循環」の研究最前線─21世紀の多分野協創研究にむけて, オンライン, 18 Sep. 2021, Oral presentation

Tomoyo Chiba, Research trends in groundwater governance, 日本学術会議公開シンポジウム「水」と「水循環」の研究最前線－21世紀の多分野協創研究にむけて, 18 Sep. 2021, Invited, Japanese, Nominated symposium

Yoshiaki Kubo, Scientific Border Controls Reduce Xenophobia under the COVID-19 Pandemic: Evidence from a Conjoint Experiment in Japan, Gender, Ethnicity, and Immigration in Japan, Academic Manuscript Workshop, 21st Century Japan Politics and Society Initiative (21JPSI), Indiana University Bloomington, 16 Sep. 2021, 16 Sep. 2021 17 Sep. - 2021, Invited, English, Nominated symposium

盛口　満, 身近な自然を見る”眼鏡”, つなげ生物多様性高校生チャレンジシップ, 愛媛県, JAえひめ中央太陽市内みなとまちまってる, Japan, 21 Aug. 2021, Invited, Japanese, Public discourse

Tomoyo Chiba, Plastic pollution and our research activities in Tomogashima, Wakayama, 近畿弁護士会連合会公害対策・環境保全委員会 2021年度夏期研修会, 31 Jul. 2021, 31 Jul. 2021, Invited, Japanese, Public discourse

Kubo, Yoshiaki; Isamu Okada, Public Attitudes toward Foreign Travelers under a Global Pandemic: A Conjoint Experiment in Japan, European Political Science Association 2021 Virtual Conference, 24 Jun. 2021, 24 Jun. 2021 25 Jun. - 2021, English, Oral presentation

Hermawan, O. R; Hosono, T; Yasumoto, J; Sawada, K; Song, K.-H; Shinjo, R, Nitrate contamination source identification by using multiple isotope ratios in Ryukyu limestone aquifer, southern Okinawa island, Japan., JpGU-AGU joint session, Japan Geoscience Union Meeting 2021, online, 04 Jun. 2021, 30 May 2021 06 Jun. - 2021, English

Nanami Mizusawa; Akira Iguchi; Mariko Iijima; Rio Maruyama; Jun Yasumoto; Ko Yasumoto; Mina Yasumoto-Hirose; Mitsuru Jimbo; Shugo Watabe, The effects of groundwater runoff on the coastal bacterial communities near the Ryukyu Limestone area, Japan Geoscience Union Meeting 2021, 04 Jun. 2021, 30 May 2021 06 Jun. - 2021, English, Poster presentation

Song, K-H; Moromizato, Y; Shinjo, R; Yasumoto, J; Sawada, K, Quantitative evaluation of groundwater pollution at Ryukyu limestone area in southern Okinawa Island: Trial application of boron isotope, 日本地球惑星科学連合2021年大会 JpGU-AGU joint session, 30 May 2021 06 Jun. - 2021, English, Oral presentation

Hermawan, O. R; Hosono, T; Yasumoto, J; Sawada, K; Song Ke-Han; Shinjo, R, Nitrate contamination source identification by using multiple isotope ratios in Ryukyu limestone aquifer, southern Okinawa island, Japan, 日本地球惑星科学連合2021年大会 JpGU-AGU joint session, 30 May 2021 06 Jun. - 2021, English, Oral presentation

Oikawa, K; Takayanagi, H; Shinjo, R; Endo, K; Yoshida, M; Iryu, Y, High-resolution minor element concentration records in modern brachiopod Pictothyris picta shells and their controlling factors, 日本地球惑星科学連合2021年大会, 30 May 2021 06 Jun. - 2021, English

Suzuki, K; Tsuchiya, T; Takamasa, A; Fukami, Y; Shinjo, R; Orihashi, Y, Hf and W partitioning between liquid metal and liquid silicate and resultant core-mantle interaction signature on the 182W isotope of the Afar plume, 日本地球惑星科学連合2021年大会, 30 May 2021 06 Jun. - 2021, English, Oral presentation

Ankei Takako, 2100 recipes made of local ingredients with only salt from outside: Resilience through food diversity among the Songola, D. R. Congo, JAAS 58th Annunal Conference Program, 22 May 2021, 22 May 2021 23 May - 2021, Japanese, Oral presentation

飯島真理子; 安元剛; 安元純; 井口亮; 中村崇; 酒井一彦; 廣瀬美奈; 水澤奈々美; 鈴木淳; 神保充; 渡部終五, 蓄積型栄養塩の地域間比較と稚サンゴの骨格形成への影響, 第21回マリンバイオテクノロジー学会, 15 May 2021, Oral presentation

石橋純一郎; 板谷優志; 塚本成; 豊田新; 冨田麻紀子; 藤原泰誠; 新城竜一; 新井和乃, 沖縄トラフ東伊是名熱水域掘削コアから得られた重晶石の年代測定, 高知大学海洋コア総合研究センター令和２年度共同利用・共同研究成果発表会, 01 Mar. 2021 02 Mar. - 2021, Japanese, Oral presentation

Katsuhiko Suzuki; Asako Takamasa; Taku Tsuchiya; Yusuke Fukami; Yuji Orihashi; Ryuichi Shinjo, Hf and W fractionation between liquid metal and liquid silicate and resultant core-mantle interaction signature on the 182W isotope of the Ethiopian basalts, Goldschmidt 2021, 1900, 04 Jul. 2021 09 Jul. - 2021, English, Oral presentation

Social Contribution

横須賀市自然・人文博物館のトピックス展示「三浦半島の漂着軽石」へ軽石の化学分析データを提供して協力, 横須賀市自然・人文博物館, 07 May 2022, 03 Jul. 2022, Others
学芸員自然と歴史のたより＿| 横須賀市自然・人文博物館.pdf

Media Coverage

沖永良部島での出前授業：地質学教室, Other than myself, 南海日日新聞社, 南海日日新聞, Oct. 2023, Paper

NHK総合1７月１７日海の日沖縄やんばる編〜ギョギョギョ沖縄やんばるスペシャル〜取材協力, Myself, NHK, 〜ギョギョギョ沖縄やんばるスペシャル〜, 17 Jul. 2023, Others

総合地球環境学研究所、与論島でサンゴの掘削調査陸と海の関係調べる, Other than myself, 奄美群島南三島経済新聞, Oct. 2022, Paper

地球研、プロジェクションマッピングで“地下水の流れ”可視化汚染対策支援ツールに, Other than myself, 日刊工業新聞, 日刊工業新聞, 12 Jul. 2022, Paper

多良間の水資源を調査, Other than myself, 宮古毎日新聞, 12 May 2022, Paper

キナノキを平和の象徴にマラリア特効薬の原料, Other than myself, 八重山毎日新聞社, 八重山毎日新聞, Mar. 2022, https://www.y-mainichi.co.jp/news/38269, Paper

BURATAMORI #197 Taketomi Island (assisting program), NHK, ブラタモリ, 29 Jan. 2022, Media report

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Adaptive Governance of Multiple Resources based on Land-Sea Linkages of the Water Cycle: Application to Coral Reef Island Systems

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