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SCIENCE - Le LOV à l'honneur

La revue SCIENCE publie un article de revue de Jean-Pierre Gattuso et ses collaborateurs intitulé "Contrasting futures for ocean andsociety from different anthropogenic". Numéro du 3 juillet 2015 • VOL 349 ISSUE 6243Nouvelle fenêtre

 

The ocean moderates anthropogenic climate change at the cost of profound alterations ...

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SCIENCE - Le LOV à l'honneur

La revue SCIENCE publie un article de revue de Jean-Pierre Gattuso et ses collaborateurs intitulé "Contrasting futures for ocean and
society from different anthropogenic".
Numéro du 3 juillet 2015 • VOL 349 ISSUE 6243Nouvelle fenêtre

 

The ocean moderates anthropogenic climate change at the cost of profound alterations of its physics, chemistry, ecology, and services. Here, we evaluate and compare the risks of impacts on marine and coastal ecosystems—and the goods and services they provide—for growing cumulative carbon emissions under two contrasting emissions scenarios. The current emissions trajectory would rapidly and significantly alter many ecosystems and the associated services on which humans heavily depend. A reduced emissions scenario—consistent with the Copenhagen Accord’s goal of a global temperature increase of less than 2°C—is much more favorable to the ocean but still substantially alters important marine ecosystems and associated goods and services. The management options to address ocean impacts narrow as the ocean warms and acidifies. Consequently, any new climate regime that fails to minimize ocean impacts would be incomplete and inadequate.