Biodiversité
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Revue de presse et du net par le Pôle de partage des connaissances S&T de l'Office français de la biodiversité
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«La mort des récifs coralliens aggraverait la submersion des côtes» - Libération

«La mort des récifs coralliens aggraverait la submersion des côtes» - Libération | Biodiversité | Scoop.it
Comment faire face aux menaces climatiques dans les îles françaises ? Membre du Giec, la géographe Virginie Duvat plaide pour des solutions adaptées à ces territoires qu’elle étudie au quotidien.
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Coral reef structural complexity provides important coastal protection from waves under rising sea levels

Coral reef structural complexity provides important coastal protection from waves under rising sea levels | Biodiversité | Scoop.it

Coral reefs are diverse ecosystems that support millions of people worldwide by providing coastal protection from waves. Climate change and human impacts are leading to degraded coral reefs and to rising sea levels, posing concerns for the protection of tropical coastal regions in the near future. We use a wave dissipation model calibrated with empirical wave data to calculate the future increase of back-reef wave height. We show that, in the near future, the structural complexity of coral reefs is more important than sea-level rise in determining the coastal protection provided by coral reefs from average waves. 

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Coral reef structural complexity provides important coastal protection from waves under rising sea levels BY DANIEL L. HARRIS, ALESSIO ROVERE, ELISA CASELLA, HANNAH POWER, REMY CANAVESIO, ANTOINE COLLIN, ANDREW POMEROY, JODY M. WEBSTER, VALERIANO PARRAVICINI SCIENCE ADVANCES28 FEB 2018 : EAAO4350 If coral reefs continue to degrade, waves on coastlines may substantially increase, leading to greater coastal erosion.
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