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Sulcus and otolith outline analyses: complementary tools for stock discrimination in white croaker Pennahia argentata in northern Chinese coastal waters
Song, Junjie1,3; Dou, Shuozeng1,2,3; Cao, Liang1,2; Liu, Jinhu1,2
2020-05-09
Source PublicationJOURNAL OF OCEANOLOGY AND LIMNOLOGY
ISSN2096-5508
Pages13
Corresponding AuthorLiu, Jinhu(liujinhu@qdio.ac.cn)
AbstractThis study analyzed and compared variations of the sulcus and otolith outlines of three geographic stocks (Huanghe (Yellow) River estuary (HHE), Jiaozhou Bay (JZB), and Changjiang (Yangtze) River estuary (CJE)) of white croaker Pennahia argentata in northern Chinese coastal waters. The sulcus and otolith outline analyses via elliptical Fourier transform (EFT, i.e. outline analysis) achieved an overall classification rate of 80.4% and 87.2%, respectively. Based on a combination of sulcus and otolith shape indices (SIs) and two derivative ratios, a moderate discriminatory efficiency of 64.7% was obtained. The results indicate that sulcus outline analysis could be used alone to discriminate white croaker stocks, and that both sulcus and otolith outline analyses discriminated the fish stocks at a higher classification rate than the shape indices. The sulcus outline analysis provided complementary information to the whole otolith outline analysis for stock discrimination. Both the sulcus and otolith outline analyses efficiently discriminated between the most geographically separated CJE and HHE stocks, indicating that they could be considered discrete stocks for fishery management.
Keywordsulcus otolith elliptic Fourier coefficients shape indices stock discrimination
DOI10.1007/s00343-020-0023-8
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China (NSFC) under the Programs Science Fund for Creative Research Groups[40821004] ; National Natural Science Foundation of China (NSFC) under the Programs Science Fund for Creative Research Groups[41121064]
WOS Research AreaMarine & Freshwater Biology ; Oceanography
WOS SubjectLimnology ; Oceanography
WOS IDWOS:000531140500006
PublisherSCIENCE PRESS
Citation statistics
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/167467
Collection海洋生态与环境科学重点实验室
Corresponding AuthorLiu, Jinhu
Affiliation1.Chinese Acad Sci, Ctr Ocean Mega Sci, Inst Oceanol, 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
First Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences
Corresponding Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Song, Junjie,Dou, Shuozeng,Cao, Liang,et al. Sulcus and otolith outline analyses: complementary tools for stock discrimination in white croaker Pennahia argentata in northern Chinese coastal waters[J]. JOURNAL OF OCEANOLOGY AND LIMNOLOGY,2020:13.
APA Song, Junjie,Dou, Shuozeng,Cao, Liang,&Liu, Jinhu.(2020).Sulcus and otolith outline analyses: complementary tools for stock discrimination in white croaker Pennahia argentata in northern Chinese coastal waters.JOURNAL OF OCEANOLOGY AND LIMNOLOGY,13.
MLA Song, Junjie,et al."Sulcus and otolith outline analyses: complementary tools for stock discrimination in white croaker Pennahia argentata in northern Chinese coastal waters".JOURNAL OF OCEANOLOGY AND LIMNOLOGY (2020):13.
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