Harnessing island-ocean connections to maximize marine benefits of island conservation

Sandin, Stuart A and Becker, Penny A and Becker, Ceiba and Brown, Kate and Erazo, Natalia G and Figuerola, Cielo and Fisher, Robert N and Friedlander, Alan M and Fukami, Tadashi and Graham, Nicholas A J and Gruner, Daniel S and Holmes, Nick D and Holthuijzen, Wieteke A and Jones, Holly P and Rios, Mariela and Samaniego, Araceli and Sechrest, Wes and Semmens, Brice X and Thornton, Hazel E and Vega Thurber, Rebecca and Wails, Christy N and Wolf, Coral A and Zgliczynski, Brian J (2022) Harnessing island-ocean connections to maximize marine benefits of island conservation. Proceedings of the National Academy of Sciences of the United States of America, 119 (51). ISSN 0027-8424

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Abstract

Islands support unique plants, animals, and human societies found nowhere else on the Earth. Local and global stressors threaten the persistence of island ecosystems, with invasive species being among the most damaging, yet solvable, stressors. While the threat of invasive terrestrial mammals on island flora and fauna is well recognized, recent studies have begun to illustrate their extended and destructive impacts on adjacent marine environments. Eradication of invasive mammals and restoration of native biota are promising tools to address both island and ocean management goals. The magnitude of the marine benefits of island restoration, however, is unlikely to be consistent across the globe. We propose a list of six environmental characteristics most likely to affect the strength of land-sea linkages: precipitation, elevation, vegetation cover, soil hydrology, oceanographic productivity, and wave energy. Global databases allow for the calculation of comparable metrics describing each environmental character across islands. Such metrics can be used today to evaluate relative potential for coupled land-sea conservation efforts and, with sustained investment in monitoring on land and sea, can be used in the future to refine science-based planning tools for integrated land-sea management. As conservation practitioners work to address the effects of climate change, ocean stressors, and biodiversity crises, it is essential that we maximize returns from our management investments. Linking efforts on land, including eradication of island invasive mammals, with marine restoration and protection should offer multiplied benefits to achieve concurrent global conservation goals.

Item Type:
Journal Article
Journal or Publication Title:
Proceedings of the National Academy of Sciences of the United States of America
Uncontrolled Keywords:
/dk/atira/pure/subjectarea/asjc/1000
Subjects:
ID Code:
183098
Deposited By:
Deposited On:
13 Jan 2023 15:30
Refereed?:
Yes
Published?:
Published
Last Modified:
13 Jan 2023 15:30