Population genetic structure in the paddyfield warbler （Acrocephalus agricola Jerd.）  

作　　者：Pavel ZEHTINDJIEV Mihaela ILIEVA Bengt HANSSON Olga OPARINA Mihail OPARIN Staffan BENSCH 

机构地区：[1]Institute of Biodiversity and Ecosystem Research, Bulgarian Academy of Sciences, 2 Gagarin Street, 1113 Sofia, Bulgaria [2]Department of Ecology, Lund University, Ecology Building, SE-223 62 Lund, Sweden [3]A.N.Severtsov Institute of Ecology and Evolution, Russian Academy of Sciences, Saratov Branch, 410028, Rabochaya Str.24, Saratov, Russia

出　　处：《Current Zoology》2011年第1期63-71,共9页动物学报（英文版）

基　　金：Acknowledgements The present study was funded by European Science Foundation, ConGen program （travel grant 1150） and partly funded by FP7 Capacities project WET- LANET （PZ）. Laboratory analyses were supported by grants from Lunds Djurskyddsfond and the Swedish Research Council （BH, SB）.

摘　　要：Population genetic structure was studied in paddyfield warblers Acrocephalus agricola breeding in NE Bulgaria, SE Russia and S Kazakhstan. We were particularly interested in the degree of genetic differentiation and gene flow of the Bulgarian population due to its geographical isolation, recent origin and unique migratory strategy. Analyses of mitochondrial DNA （mtDNA） showed that there was no divergence between Bulgarian and Russian populations （FsT = 0.007）, whereas those in Ka- zakhstan differed significantly from the European breeding populations （Russia： FsT = 0.058; Bulgaria： FsT = 0.114）. The degree of differentiation between populations at nuclear markers （five microsatellite loci; FsT ~ 0） was weaker than for mtDNA. We suggest that this relatively weak differentiation over the range of this species reflects a recent postglacial expansion, and results from mismatch distribution analyses and Fu＇s Fs tests are in agreement. Preservation of small and geographically isolated popula- tions which may contain individuals with unique adaptive traits, such as the studied Bulgarian population of paddyfield warbler, is valuable for the long-term conservation of expanding migratory bird species

关 键 词：PHYLOGEOGRAPHY Post-glacial expansion Population structure Mitochondria MICROSATELLITE 

分 类 号：Q959.468[生物学—动物学] X511.032.3[环境科学与工程—环境工程]