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Population structure of Japanese Spanish mackerel Scomberomorus niphonius in the Bohai Sea, the Yellow Sea and the East China Sea: evidence from random forests based on otolith features
Zhang, Chi1; Ye, Zhenjiang1; Li, Zengguang1; Wan, Rong1; Ren, Yiping1; Dou, Shuozeng2
2016-03-01
发表期刊FISHERIES SCIENCE
卷号82期号:2页码:251-256
文章类型Article
摘要In this study, the population structure of Japanese Spanish mackerel Scomberomorus niphonius were investigated based on the geographical variation of otolith features, and the concept of random forests was introduced as a classifier. Samples were collected from eight main spawning grounds using commercial gill nets, covering the distribution range along the coast of China. Otolith shape was described by the shape variables and principle components of Fourier coefficients. Every possible combination of otolith variable was tested to search for an optimal variable combination. An intermediate number of variables (8 out of 13) produced the most discriminating signal, and then the eight grounds were divided into three stocks with 64.5 % global accuracy. The discriminant result provided phenotypic evidence for the common migration trajectory, and further confirmed the existence of a metapopulation in Japanese Spanish mackerel at a larger scale.
关键词Scomberomorus Niphonius Otolith Features Random Forests Population Structure
DOI10.1007/s12562-016-0968-x
收录类别SCI
语种英语
WOS记录号WOS:000372251400007
引用统计
文献类型期刊论文
条目标识符http://ir.qdio.ac.cn/handle/337002/126197
专题海洋生态与环境科学重点实验室
作者单位1.Ocean Univ China, Coll Fisheries, Qingdao 266003, Peoples R China
2.Chinese Acad Sci, Inst Oceanol, Key Lab Marine Ecol & Environm Sci, Qingdao 266071, Peoples R China
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GB/T 7714
Zhang, Chi,Ye, Zhenjiang,Li, Zengguang,et al. Population structure of Japanese Spanish mackerel Scomberomorus niphonius in the Bohai Sea, the Yellow Sea and the East China Sea: evidence from random forests based on otolith features[J]. FISHERIES SCIENCE,2016,82(2):251-256.
APA Zhang, Chi,Ye, Zhenjiang,Li, Zengguang,Wan, Rong,Ren, Yiping,&Dou, Shuozeng.(2016).Population structure of Japanese Spanish mackerel Scomberomorus niphonius in the Bohai Sea, the Yellow Sea and the East China Sea: evidence from random forests based on otolith features.FISHERIES SCIENCE,82(2),251-256.
MLA Zhang, Chi,et al."Population structure of Japanese Spanish mackerel Scomberomorus niphonius in the Bohai Sea, the Yellow Sea and the East China Sea: evidence from random forests based on otolith features".FISHERIES SCIENCE 82.2(2016):251-256.
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