Microsatellite analysis reveals the population structure and migration patterns of Scomber japonicus (Scombridae) with continuous distribution in the East and South China Seas
文献类型: 外文期刊
作者: Zeng, Liyan 1 ; Cheng, Qiqun 1 ; Chen, Xiaoyong 2 ;
作者机构: 1.Chinese Acad Fishery Sci, E China Sea Fisheries Res Inst, Minist Agr, Key Lab E China Sea & Ocean Fishery Resources Exp, Shanghai 200090, Peoples R China
2.Chinese Acad Sci, Kunming Inst Zool, State Key Lab Genet Resources & Evolut, Beijing 100864, Peoples R China
关键词: Scomber japonicus;Microsatellite;Population structure;Migration
期刊名称:BIOCHEMICAL SYSTEMATICS AND ECOLOGY ( 影响因子:1.381; 五年影响因子:1.351 )
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收录情况: SCI
摘要: Genetic diversity and population structure of Scomber japonicus in East (ECS) and South China Sea (SCS) was analysed through 169 individuals from adjacent sea waters of Taizhou, Sansha, Dongshan, Zhuhai, Qinglan, and Sanya using eleven microsatellite markers. Relatively high levels of genetic variation within (He = 0.651-0.732) and moderate level of genetic differentiation among the populations (F-ST = 0.0647, P < 10(-4)) were observed. Two divergent stocks may exist: one included all populations from ECS extending to off eastern coast of Hainan Island in SCS, and the other comprised one population off southern coast of Hainan Island. It indicated a higher gene flow and a preferential migration dispersion pattern for this species in ECS. S. japonicus had not undergone recent genetic bottlenecks. and this inference is supported by Wilcoxon signed-rank test and mode-shift indicator of allele frequency distribution. We recommend several management strategies for this species for the future. (C) 2012 Elsevier Ltd
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