globalchange  > 影响、适应和脆弱性
DOI: 10.1111/gcb.13282
论文题名:
Projected impacts of 21st century climate change on diapause in Calanus finmarchicus
作者: Wilson R.J.; Banas N.S.; Heath M.R.; Speirs D.C.
刊名: Global Change Biology
ISSN: 13541013
出版年: 2016
卷: 22, 期:10
起始页码: 3332
结束页码: 3340
语种: 英语
英文关键词: Calanus finmarchicus ; climate change ; copepods ; deep-water temperature ; diapause ; dormancy ; macroecology ; overwintering
Scopus关键词: climate change ; climate effect ; crustacean ; deep water ; diapause ; dormancy ; macroecology ; overwintering ; twenty first century ; water temperature ; zooplankton ; Arctic Ocean ; Atlantic Ocean ; Labrador Sea ; Norwegian Sea ; Animalia ; Calanus finmarchicus ; Copepoda
英文摘要: Diapause plays a key role in the life cycle of high latitude zooplankton. During diapause, animals avoid starving in winter by living in deep waters where metabolism is lower and met by lipid reserves. Global warming is therefore expected to shorten the maximum potential diapause duration by increasing metabolic rates and by reducing body size and lipid reserves. This will alter the phenology of zooplankton, impact higher trophic levels and disrupt biological carbon pumps. Here, we project the impacts of climate change on the key North Atlantic copepod Calanus finmarchicus under IPCC RCP 8.5. Potential diapause duration is modelled in relation to body size and overwintering temperature. The projections show pronounced geographic variations. Potential diapause duration reduces by more than 30% in the Western Atlantic, whereas in the key overwintering centre of the Norwegian Sea it changes only marginally. Surface temperature rises, which reduce body size and lipid reserves, will have a similar impact to deep-water changes on diapause in many regions. Because deep-water warming lags that at the surface, animals in the Labrador Sea could offset warming impacts by diapausing in deeper waters. However, the ability to control diapause depth may be limited. © 2016 John Wiley & Sons Ltd
资助项目: This work received funding from the MASTS pooling initiative (The Marine Alliance for Science and Technology for Scotland) and their support is gratefully acknowledged. MASTS is funded by the Scottish Funding Council (grant reference HR09011) and contributing institutions. Neil Banas was supported by the University of Washington Royalty Research Fund and National Science Foundation award PLR-1417365. We thank Andrew Yool for providing outputs from the NEMO model for the climate change scenario used in the article.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/61282
Appears in Collections:影响、适应和脆弱性

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作者单位: Department of Mathematics and Statistics, University of Strathclyde, Glasgow, United Kingdom

Recommended Citation:
Wilson R.J.,Banas N.S.,Heath M.R.,et al. Projected impacts of 21st century climate change on diapause in Calanus finmarchicus[J]. Global Change Biology,2016-01-01,22(10)
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