Population genetics of Pampus echinogaster along the Pacific coastline of China: insights from the mitochondrial DNA control region and microsatellite molecular markers
文献类型： 外文期刊
作者： Li, Yuan 1 ; Lin, Longshan 1 ; Song, Na 2 ; Zhang, Yan 3 ; Gao, Tianxiang 4 ;
作者机构： 1.State Ocean Adm, Inst Oceanog 3, Xiamen 361005, Peoples R China
2.Ocean Univ China, Coll Fisheries, Qingdao 266003, Peoples R China
3.Chinese Acad Fishery Sci, Yellow Sea Fisheries Res Inst, Qingdao 266071, Peoples R China
4.Zhejiang Ocean Univ, Sch Fishery, Zhoushan 316004, Peoples R China
5.Key Lab Technol Res Sustainable Utilizat Marine F, Zhoushan 316021, Peoples R China
关键词： genetic structure; historical demography; migration route; population diversity
期刊名称：MARINE AND FRESHWATER RESEARCH （ 影响因子：2.07； 五年影响因子：2.162 ）
ISSN： 1323-1650
年卷期： 2018 年 69 卷 6 期
页码：
收录情况： SCI
摘要： Genetic variation among seven populations of Pampus echinogaster collected from the coastal waters of China was investigated based on the mitochondrial DNA control region and microsatellite molecular markers. The results revealed a high level of genetic diversity that may be related primarily to the life history traits and diverse habitats of this species. Analysis of the genetic structure and migration of P. echinogaster revealed weak genetic differentiation among populations, with an absence of a phylogeographic structure, indicating relatively high genetic homogeneity that may be associated with a recent population expansion event. The complex migratory and high dispersal ability of ichthyoplankton, as well as China's offshore circulation, may have played important roles in shaping the current genetic structure of P. echinogaster. Unlike stock division in conventional fisheries, the present study found no significant differences among the P. echinogaster populations, all of which were panmictic. Therefore, in addition to accounting for conventional fishery stocks, a comprehensive assessment should be conducted by considering the phylogenetic structure among different populations.
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