Response of copepod communities to ocean warming in three time-series across the North Atlantic and Mediterranean Sea

被引:17
作者
Villarino, Ernesto [1 ,2 ,3 ]
Irigoien, Xabier [1 ,4 ]
Villate, Fernando [5 ]
Iriarte, Arantza [6 ]
Uriarte, Ibon [5 ]
Zervoudaki, Soultana [7 ]
Carstensen, Jacob [8 ]
O'Brien, Todd D. [9 ]
Chust, Guillem [1 ]
机构
[1] AZTI, Marine Res Div, Portualdea Z-G, Pasaia 20110, Spain
[2] Oregon State Univ, Coll Earth Ocean & Atmospher Sci, Corvallis, OR 97330 USA
[3] Univ Calif San Diego, Scripps Inst Oceanog, 9500 Gilman Dr 0218, La Jolla, CA 92093 USA
[4] Basque Fdn Sci, IKERBASQUE, Bilbao 48013, Spain
[5] Univ Basque Country, Fac Sci & Technol, Dept Plant Biol & Ecol, POB 644, Bilbao 48080, Spain
[6] Univ Basque Country, Fac Pharm, Dept Plant Biol & Ecol, Paseo Univ 7, Gasteiz 01006, Spain
[7] Hellen Ctr Marine Res, Inst Oceanog, PO 712,46-7 Km Ave Athens Sounio, Athens 19013, Greece
[8] Aarhus Univ, Dept Biosci, Frederiksborgvej 399, DK-4000 Roskilde, Denmark
[9] Natl Marine Fisheries Serv, Marine Ecosyst Div, Off Sci Technol, 1315 East West Hwy, Silver Spring, MD 20910 USA
关键词
Community structure; Warm-adapted; Cold-adapted; beta-diversity; LONG-TERM TRENDS; CLIMATE-CHANGE; SURFACE TEMPERATURE; SOUTHEASTERN BAY; MARINE; ZOOPLANKTON; VARIABILITY; REGRESSION; BIOGEOGRAPHY; POPULATIONS;
D O I
10.3354/meps13209
中图分类号
Q14 [生态学(生物生态学)];
学科分类号
071012 ; 0713 ;
摘要
The rapid warming of the world's oceans during the last few decades has affected distributional patterns of marine planktonic communities. Here, we analyse links between sea warming and changes in copepod community composition over the last 3 decades (1980-2012). We used zooplankton time-series data which included 79 species of copepods collected at 3 sites in the eastern North Atlantic (Bay of Biscay and the Kattegat Sea) and the Mediterranean Sea (Gulf of Saronikos). First, using community beta-diversity metrics, we analysed temporal patterns of copepod community composition changes over time and its relation to local environmental conditions. Second, to test whether the changes in copepod community composition correspond to community thermal preferences, we used the community temperature index (CTI) and compared CTI interannual changes with local temperature trends. The beta-diversity analysis reveals a high temporal turnover in the copepod community composition at the 3 sites (30-45%), with a significant similarity decrease over time ('decay') associated with both niche descriptors and demographic stochastic processes. CTI results reveal that both in the Kattegat and Saronikos, where the ocean warming rate was the highest amongst sites, copepod community changes are linked to temperature variability, suggesting that the community is tracking their thermal niche over time. Our findings unveil the fundamental role of abiotic factors structuring copepod biodiversity over time and reveal that the local velocity of ocean warming and the species thermal thresholds are key to rearranging copepod community composition in coastal ecosystems.
引用
收藏
页码:47 / 61
页数:15
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