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Arctic study shows key marine food web species at risk from increasing CO2
Date:12/3/2013

ally what conditions they experience. The researchers, working alongside polar explorers as part of the Catlin Arctic Survey, camped in winter conditions on the Arctic ice at temperatures of -40⁰C, risking frost bitten fingers, in order to collect this novel data.

Dr Helen Findlay from Plymouth Marine Laboratory said: "Our work has shown that life experience matters when it comes to surviving stressors. More studies are needed that link the natural environmental conditions to laboratory experiments. Ceri and I are planning to continue this line of work through a PhD studentship next year."

An estimated 30% of carbon dioxide released by humans into the atmosphere dissolves into oceans. With carbon emissions set to increase, the world's oceans are likely to suffer from increased acidification in the coming years. This study reveals how these changes are likely to impact globally important species like copepods.

The study demonstrates that organisms with a limited natural habitat range are likely to suffer the most under changing climatic and oceanic conditions. Organisms with a wide natural range are likely to cope better.

Future studies will consider whether the type of habitat can be used to predict the vulnerability of different species to climate change.


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Contact: Jo Bowler
j.bowler@exeter.ac.uk
44-013-927-22062
University of Exeter
Source:Eurekalert  

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