globalchange  > 气候变化事实与影响
DOI: 10.1111/ddi.12857
WOS记录号: WOS:000463154200007
论文题名:
Climate change may have minor impact on zooplankton functional diversity in the Mediterranean Sea
作者: Benedetti, Fabio1,2; Ayata, Sakina-Dorothee1; Irisson, Jean-Olivier1; Adloff, Fanny3,4; Guilhaumon, Francois5
通讯作者: Benedetti, Fabio
刊名: DIVERSITY AND DISTRIBUTIONS
ISSN: 1366-9516
EISSN: 1472-4642
出版年: 2019
卷: 25, 期:4, 页码:568-581
语种: 英语
英文关键词: climate change ; functional diversity ; Mediterranean Sea ; niche modelling ; null model ; zooplankton
WOS关键词: CALANUS-HELGOLANDICUS ; MARINE BIODIVERSITY ; FISH ASSEMBLAGES ; TRAIT ; FUTURE ; BIOGEOGRAPHY ; OCEAN ; CONSERVATION ; COMMUNITIES ; FRAMEWORK
WOS学科分类: Biodiversity Conservation ; Ecology
WOS研究方向: Biodiversity & Conservation ; Environmental Sciences & Ecology
英文摘要:

Aim To assess the impact of climate change on the functional diversity of marine zooplankton communities. Location The Mediterranean Sea. Methods We used the functional traits and geographic distributions of 106 copepod species to estimate the zooplankton functional diversity of Mediterranean surface assemblages for the 1965-1994 and 2069-2098 periods. Multiple environmental niche models were trained at the global scale to project the species habitat suitability in the Mediterranean Sea and assess their sensitivity to climate change predicted by several scenarios. Simultaneously, the species traits were used to compute a functional dendrogram from which we identified seven functional groups and estimated functional diversity through Faith's index. We compared the measured functional diversity to the one originated from null models to test if changes in functional diversity were solely driven by changes in species richness. Results All but three of the 106 species presented range contractions of varying intensity. A relatively low decrease of species richness (-7.42 on average) is predicted for 97% of the basin, with higher losses in the eastern regions. Relative sensitivity to climate change is not clustered in functional space and does not significantly vary across the seven copepod functional groups defined. Changes in functional diversity follow the same pattern and are not different from those that can be expected from changes in richness alone. Main conclusions Climate change is not expected to alter copepod functional traits distribution in the Mediterranean Sea, as the most and the least sensitive species are functionally redundant. Such redundancy should buffer the loss of ecosystem functions in Mediterranean zooplankton assemblages induced by climate change. Because the most negatively impacted species are affiliated to temperate regimes and share Atlantic biogeographic origins, our results are in line with the hypothesis of increasingly more tropical Mediterranean communities.


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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/132746
Appears in Collections:气候变化事实与影响

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作者单位: 1.Sorbonne Univ, Observ Oceanol, LOV, CNRS, Villefranche Sur Mer, France
2.CNRS, UMR 7093, Observ Oceanol, Lab Oceanog Villefranche Sur Mer LOV, Villefranche Sur Mer, France
3.Meteofrance CNRS, UMR 3589, CNRM, Toulouse, France
4.Univ Reading, Dept Meteorol, Reading, Berks, England
5.Univ Montpellier, IRD CNRS IFREMER UM, IRD UMR MARBEC 9190, Montpellier, France

Recommended Citation:
Benedetti, Fabio,Ayata, Sakina-Dorothee,Irisson, Jean-Olivier,et al. Climate change may have minor impact on zooplankton functional diversity in the Mediterranean Sea[J]. DIVERSITY AND DISTRIBUTIONS,2019-01-01,25(4):568-581
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