Multi-decadal range changes vs. thermal adaptation for north east Atlantic oceanic copepods in the face of climate change

© 2013 John Wiley & Sons Ltd.

Bibliographische Detailangaben
Veröffentlicht in:Global change biology. - 1999. - 20(2014), 1 vom: 01. Jan., Seite 140-6
1. Verfasser: Hinder, Stephanie L (VerfasserIn)
Weitere Verfasser: Gravenor, Mike B, Edwards, Martin, Ostle, Clare, Bodger, Owen G, Lee, Patricia L M, Walne, Antony W, Hays, Graeme C
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2014
Zugriff auf das übergeordnete Werk:Global change biology
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Research Support, U.S. Gov't, Non-P.H.S. Mesozooplankton NAO bottom up control climate change copepods long-term changes sea surface temperature mehr... top down control westerly wind
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520 |a Populations may potentially respond to climate change in various ways including moving to new areas or alternatively staying where they are and adapting as conditions shift. Traditional laboratory and mesocosm experiments last days to weeks and thus only give a limited picture of thermal adaptation, whereas ocean warming occurring over decades allows the potential for selection of new strains better adapted to warmer conditions. Evidence for adaptation in natural systems is equivocal. We used a 50-year time series comprising of 117 056 samples in the NE Atlantic, to quantify the abundance and distribution of two particularly important and abundant members of the ocean plankton (copepods of the genus Calanus) that play a key trophic role for fisheries. Abundance of C. finmarchicus, a cold-water species, and C. helgolandicus, a warm-water species, were negatively and positively related to sea surface temperature (SST) respectively. However, the abundance vs. SST relationships for neither species changed over time in a manner consistent with thermal adaptation. Accompanying the lack of evidence for thermal adaptation there has been an unabated range contraction for C. finmarchicus and range expansion for C. helgolandicus. Our evidence suggests that thermal adaptation has not mitigated the impacts of ocean warming for dramatic range changes of these key species and points to continued dramatic climate induced changes in the biology of the oceans 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
650 4 |a Research Support, U.S. Gov't, Non-P.H.S. 
650 4 |a Mesozooplankton 
650 4 |a NAO 
650 4 |a bottom up control 
650 4 |a climate change 
650 4 |a copepods 
650 4 |a long-term changes 
650 4 |a sea surface temperature 
650 4 |a top down control 
650 4 |a westerly wind 
700 1 |a Gravenor, Mike B  |e verfasserin  |4 aut 
700 1 |a Edwards, Martin  |e verfasserin  |4 aut 
700 1 |a Ostle, Clare  |e verfasserin  |4 aut 
700 1 |a Bodger, Owen G  |e verfasserin  |4 aut 
700 1 |a Lee, Patricia L M  |e verfasserin  |4 aut 
700 1 |a Walne, Antony W  |e verfasserin  |4 aut 
700 1 |a Hays, Graeme C  |e verfasserin  |4 aut 
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773 1 8 |g volume:20  |g year:2014  |g number:1  |g day:01  |g month:01  |g pages:140-6 
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