Large-scale climatic signatures in lakes across Europe:: a meta-analysis

被引:186
作者
Blenckner, Thorsten
Adrian, Rita
Livingstone, David M.
Jennings, Eleanor
Weyhenmeyer, Gesa A.
George, D. Glen
Jankowski, Thomas
Jarvinen, Marko
Aonghusa, Caitriona Nic
Noges, Tiina
Straile, Dietmar
Teubner, Katrin
机构
[1] Uppsala Univ, Evolut Biol Ctr, Dept Ecol & Evolut, Erken Lab, SE-76173 Norrtalje, Sweden
[2] Leibniz Inst Freshwater Ecol & Inland Fisheries, D-12587 Berlin, Germany
[3] Swiss Fed Inst Aquat Sci & Technol Eawag, Water Resources Dept, CH-8600 Dubendorf, Switzerland
[4] Univ Dublin Trinity Coll, Sch Nat Sci, Ctr Environm, Dublin 2, Ireland
[5] Swedish Univ Agr Sci, Dept Environm Assessment, SE-75007 Uppsala, Sweden
[6] Lancaster Environm Ctr, Ctr Ecol & Hydrol, Lancaster LA1 4RA, England
[7] Univ Helsinki, Lammi Biol Stn, FIN-16900 Lammi, Finland
[8] Inst Marine, Newport, Co Mayo, Ireland
[9] Estonian Univ Life Sci, Inst Agr & Environm Sci, Ctr Limnol, EE-61101 Tartumaa, Estonia
[10] Univ Konstanz, Limnol Inst, D-78457 Constance, Germany
[11] Univ Vienna, Fac Life Sci, Dept Freshwater Ecol, A-1090 Vienna, Austria
基金
英国自然环境研究理事会;
关键词
climate variability; coherence; European lakes; meta-analysis; nutrients; phytoplankton; water temperature; zooplankton; NORTH-ATLANTIC OSCILLATION; PLANKTON DYNAMICS; TEMPORAL COHERENCE; ESTHWAITE WATER; FRESH-WATERS; TEMPERATURE; DEEP; VARIABILITY; WEATHER; DAPHNIA;
D O I
10.1111/j.1365-2486.2007.01364.x
中图分类号
X176 [生物多样性保护];
学科分类号
090705 ;
摘要
Recent studies have highlighted the impact of the winter North Atlantic Oscillation (NAO) on water temperature, ice conditions, and spring plankton phenology in specific lakes and regions in Europe. Here, we use meta-analysis techniques to test whether 18 lakes in northern, western, and central Europe respond coherently to winter climate forcing, and to assess the persistence of the winter climate signal in physical, chemical, and biological variables during the year. A meta-analysis approach was chosen because we wished to emphasize the overall coherence pattern rather than individual lake responses. A particular strength of our approach is that time-series from each of the 18 lakes were subjected to the same robust statistical analysis covering the same 23-year period. Although the strongest overall coherence in response to the winter NAO was exhibited by lake water temperatures, a strong, coherent response was also exhibited by concentrations of soluble reactive phosphorus and soluble reactive silicate, most likely as a result of the coherent response exhibited by the spring phytoplankton bloom. Lake nitrate concentrations showed significant coherence in winter. With the exception of the cyanobacterial biomass in summer, phytoplankton biomass in all seasons was unrelated to the winter NAO. A strong coherence in the abundance of daphnids during spring can most likely be attributed to coherence in daphnid phenology. A strong coherence in the summer abundance of the cyclopoid copepods may have been related to a coherent change in their emergence from resting stages. We discuss the complex nature of the potential mechanisms that drive the observed changes.
引用
收藏
页码:1314 / 1326
页数:13
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