Ocean change in Small Island Developing States

Gues, Flora; von Schuckmann, Karina; Butel, Mahé; Hallam, Samantha; de Pascual, Alvaro; Alonso Valle, Axel; Liné, Aurélien; Moreira Mendez, Lorena

doi:10.5194/sp-7-osr10-3-2026

Articles | Volume 7-osr10

https://doi.org/10.5194/sp-7-osr10-3-2026

© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.

Report:

10th edition of the Copernicus Ocean State Report (OSR10)

https://doi.org/10.5194/sp-7-osr10-3-2026

© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 7-osr10

30 Sep 2026

| OSR10 | Chapter 1.2

| 30 Sep 2026 | OSR10 | Chapter 1.2

Ocean change in Small Island Developing States

Flora Gues, Karina von Schuckmann, Mahé Butel, Samantha Hallam, Alvaro de Pascual, Axel Alonso Valle, Aurélien Liné, and Lorena Moreira Mendez

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Short summary

Small Island Developing States (SIDS) depend on the ocean for their societies, economies and livelihoods, addressed here with an ocean narrative using a suite of integrated ocean indicators. Their Exclusive Economic Zones govern 8 % of the global ocean and hold global biodiversity hotspots. SIDS are also among the regions most exposed to ocean and climate change, facing sea-level rise, ocean warming, tropical cyclone risks, and growing impacts on marine ecosystems and SIDS communities.