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Low microsatellite variation in spotted seal (Phoca largha) shows a decrease in population size in the Liaodong Gulf colony
Han, Jia-Bo1,2,3; Sun, Fan-Yue4; Gao, Xiang-Gang3; He, Chong-Bo3; Wang, Pi-Lie3; Ma, Zhi-Qiang3; Wang, Zhao-Hui3
2010-03-10
发表期刊ANNALES ZOOLOGICI FENNICI
卷号47期号:1页码:15-27
文章类型Article
摘要We report the first investigation of nuclear genetic variability in the colony of the spotted seal (Phoca largha) in the Liaodong Gulf, China, where the estimated population size was under 1000 individuals during the study period (2005-2008). A total of 29 microsatellite loci from five pinniped species were employed in 176 spotted seals. Only 15 were polymorphic, with a maximum of 4 alleles detected in samples, with the mean number of alleles per locus being 2.73. Estimates of expected heterozygosity H-e for the polymorphic loci ranged from 0.24 (+/- 0.05 SD) to 0.72 (+/- 0.02 SD), with a mean H-e per polymorphic locus of 0.51 (+/- 0.05 SD). No deviation from the Hardy-Weinberg equilibrium was detected for any of the loci. No differences were detected for either genic or genotypic frequencies of seals from the different sampling sites and years. Several statistical methods were applied to detect the population reduction and compare it with that in other seal species. The result indicated that the population of the Liaodong Gulf spotted seal has suffered a decrease in genetic variability and population reduction over the last several decades. The present study supports a notion that a decrease in population size is the main factor accounting for the low levels of variability observed. These research results provide useful data for the conservation and management of the Liaodong Gulf colony.
收录类别SCI
语种英语
WOS记录号WOS:000275252100002
引用统计
文献类型期刊论文
条目标识符http://ir.qdio.ac.cn/handle/337002/32879
专题海洋环流与波动重点实验室
作者单位1.Chinese Acad Sci, Inst Oceanol, Qingdao 266071, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
3.Liaoning Ocean & Fisheries Sci Res Inst, Liaoning Key Lab Marine Fishery Mol Biol, Dalian 116023, Peoples R China
4.Liaoning Normal Univ, Coll Life Sci, Dalian 116029, Peoples R China
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Han, Jia-Bo,Sun, Fan-Yue,Gao, Xiang-Gang,et al. Low microsatellite variation in spotted seal (Phoca largha) shows a decrease in population size in the Liaodong Gulf colony[J]. ANNALES ZOOLOGICI FENNICI,2010,47(1):15-27.
APA Han, Jia-Bo.,Sun, Fan-Yue.,Gao, Xiang-Gang.,He, Chong-Bo.,Wang, Pi-Lie.,...&Wang, Zhao-Hui.(2010).Low microsatellite variation in spotted seal (Phoca largha) shows a decrease in population size in the Liaodong Gulf colony.ANNALES ZOOLOGICI FENNICI,47(1),15-27.
MLA Han, Jia-Bo,et al."Low microsatellite variation in spotted seal (Phoca largha) shows a decrease in population size in the Liaodong Gulf colony".ANNALES ZOOLOGICI FENNICI 47.1(2010):15-27.
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