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Daily Archives: 17. July 2009 − News & Stories

Chan­ge of mari­ne eco­sys­tem poses poten­ti­al thre­at on Litt­le auks 

First results of a new rese­arch pro­ject “Arc­tic Tip­ping Points” (ATP) show that high-arc­tic zoo­plank­ton spe­ci­es such as Cala­nus gla­cia­lis have star­ted to chan­ge their dis­tri­bu­ti­on are­as, migra­ting towards col­der waters, most likely due to recent warm­ing within their tra­di­tio­nal ran­ge. This may for exam­p­le end­an­ger food sup­p­ly for spe­ci­es such as the Litt­le auk, Spitsbergen’s most abun­dant bird. Chan­ges of the mari­ne food chain are in any case very likely to have dra­ma­tic con­se­quen­ces for the who­le regio­nal eco­sys­tem.

Arc­tic zoo­plank­ton at the north coast of Spits­ber­gen.

Change of marine ecosystem poses potential threat on Little auks

Litt­le auks at nor­thwes­tern Spits­ber­gen.

Little auks at northwestern Spitsbergen

Source: Sval­bard Sci­ence Forum


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