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Fisheries and climate change : ウィキペディア英語版 | Fisheries and climate change
Rising ocean temperatures〔(Observations: Oceanic Climate Change and Sea Level ) In: ''Climate Change 2007: The Physical Science Basis''. Contribution of Working Group I to the Fourth Assessment Report of the Intergovernmental Panel on Climate Change. (15MB).〕 and ocean acidification are radically altering aquatic ecosystems. Climate change is modifying fish distribution and the productivity of marine and freshwater species. This has impacts on the sustainability of fisheries and aquaculture, on the livelihoods of the communities that depend on fisheries, and on the ability of the oceans to capture and store carbon (biological pump). The effect of sea level rise means that coastal fishing communities are in the front line of climate change, while changing rainfall patterns and water use impact on inland (freshwater) fisheries and aquaculture. ==Role of oceans==
Oceans and coastal ecosystems play an important role in the global carbon cycle and have removed about 25% of the carbon dioxide emitted by human activities between 2000 and 2007 and about half the anthropogenic CO2 released since the start of the Industrial Revolution. Rising ocean temperatures and ocean acidification means that the capacity of the ocean carbon sink will gradually get weaker,〔(【引用サイトリンク】title=Blue Carbon. The role of healthy oceans in binding carbon )〕 giving rise to global concerns expressed in the Monaco〔(Monaco Declaration ) and (Ocean Acidification ) A Summary for Policymakers from the Second Symposium on the Ocean in a High-CO2 World.] Intergovernmental Oceanographic Commission of UNESCO, International Geosphere-Biosphere Programme, Marine Environment Laboratories (MEL) of the International Atomic Energy Agency, Scientific Committee on Oceanic Research. 2008.〕 and Manado〔(Manado Ocean Declaration ) World Ocean Conference Ministerial/High Level Meeting. Manado, Indonesia, 11–14 May 2009.〕 Declarations. Healthy ocean ecosystems are essential for the mitigation of climate change.〔(【引用サイトリンク】PACFA ) ">title=Fisheries and Aquaculture in a Changing Climate )〕 Coral reefs provide habitat for millions of fish species and with climate change it can provoke these reefs to die.
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