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Otolith shape analysis for stock discrimination of two Collichthys genus croaker (Pieces:Sciaenidae,) from the northern Chinese coast
Zhao Bo2; Liu Jinhu1; Song Junjie2; Cao Liang1; Dou Shuozeng1,2
2018-05-01
Source PublicationJOURNAL OF OCEANOLOGY AND LIMNOLOGY
ISSN2096-5508
Volume36Issue:3Pages:981-989
SubtypeArticle
AbstractThe otolith morphology of two croaker species (Collichthys lucidus and Collichthys niveatus ) from three areas (Liaodong Bay, LD; Huanghe (Yellow) River estuary, HRE; Jiaozhou Bay, JZ) along the northern Chinese coast were investigated for species identification and stock discrimination. The otolith contour shape described by elliptic Fourier coefficients (EFC) were analysed using principal components analysis (PCA) and stepwise canonical discriminant analysis (CDA) to identify species and stocks. The two species were well differentiated, with an overall classification success rate of 97.8%. And variations in the otolith shapes were significant enough to discriminate among the three geographical samples of C. lucidus (67.7%) or C. niveatus (65.2%). Relatively high mis-assignment occurred between the geographically adjacent LD and HRE samples, which implied that individual mixing may exist between the two samples. This study yielded information complementary to that derived from genetic studies and provided information for assessing the stock structure of C. lucidus and C. niveatus in the Bohai Sea and the Yellow Sea.
Keywordotolith size descriptors elliptic Fourier coefficients (EFC) stock structure Collichthys lucidus Collichthys niveatus
Subject AreaMarine & Freshwater Biology ; Oceanography
DOI10.1007/s00343-018-7082-0
Indexed BySCIE
Language英语
WOS Research AreaLimnology ; Oceanography
WOS IDWOS:000438791100035
PublisherSCIENCE PRESS
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Document Type期刊论文
Version出版稿
Identifierhttp://ir.qdio.ac.cn/handle/337002/157573
Collection海洋生态与环境科学重点实验室
Affiliation1.Chinese Acad Sci, Inst Oceanol, CAS Key Lab Marine Ecol & Environm Sci, Qingdao 266071, Peoples R China
2.Qingdao Natl Lab Marine Sci & Technol, Lab Marine Ecol & Environm Sci, Qingdao 266071, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Zhao Bo,Liu Jinhu,Song Junjie,等. Otolith shape analysis for stock discrimination of two Collichthys genus croaker (Pieces:Sciaenidae,) from the northern Chinese coast[J]. JOURNAL OF OCEANOLOGY AND LIMNOLOGY,2018,36(3):981-989.
APA Zhao Bo,Liu Jinhu,Song Junjie,Cao Liang,&Dou Shuozeng.(2018).Otolith shape analysis for stock discrimination of two Collichthys genus croaker (Pieces:Sciaenidae,) from the northern Chinese coast.JOURNAL OF OCEANOLOGY AND LIMNOLOGY,36(3),981-989.
MLA Zhao Bo,et al."Otolith shape analysis for stock discrimination of two Collichthys genus croaker (Pieces:Sciaenidae,) from the northern Chinese coast".JOURNAL OF OCEANOLOGY AND LIMNOLOGY 36.3(2018):981-989.
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