An Integrated Approach to Determine the Stock Structure of Spinyhead Croaker Collichthys lucidus (Sciaenidae) in Chinese Coastal Waters
文献类型： 外文期刊
作者： Zhang, Shuai 1 ; Li, Min 1 ; Zhu, Jiangfeng 3 ; Xu, Shannan 1 ; Chen, Zuozhi 1 ;
作者机构： 1.Chinese Acad Fishery Sci, South China Sea Fisheries Res Inst, Guangzhou, Peoples R China
2.Minist Agr & Rural Affairs, Key Lab Open Sea Fishery Dev, Guangzhou, Peoples R China
3.Shanghai Ocean Univ, Coll Marine Sci, Shanghai, Peoples R China
4.Southern Marine Sci & Engn Guangdong Lab, Guangzhou, Peoples R China
5.Guangdong Prov Key Lab Fishery Ecol Environm, Guangzhou, Peoples R China
关键词： fish population-units; microsatellite; parasite; otolith chemistry; population structure assessment; Collichthys lucidus
期刊名称：FRONTIERS IN MARINE SCIENCE （ 影响因子：4.912； 五年影响因子：5.125 ）
ISSN：
年卷期： 2021 年 8 卷
页码：
收录情况： SCI
摘要： An integrated approach including analyses of different biological traits is a proven and powerful tool used to assess the population structures of fish species, which is vital for fishery stock conservation and management of wild resources. This study evaluates the use of three natural tags (i.e., microsatellites, parasites, and otolith nucleus chemistry) in order to describe the population structure of the spinyhead croaker, Collichthys lucidus, in the coastal waters of China, on evolutionary and ecological time scales. Spinyhead croaker was assigned with 86% accuracy to its regional origin (northern China vs. southern China) using all three natural tags. Accuracy decreased when incorporating only one type of natural tag (genetics: 19-69%; parasites: 30-60%; otolith chemistry: 51-86%) or when assigning the fish to a fine scale (sea areas: 44-64%; sampled estuaries: 19-66%). However, the overall accuracy assignment improved slightly compared with otolith chemistry (estuaries: 55 vs. 51%; sea areas: 66 vs. 64%; regions: 86 vs. 86%). Three natural tags and integrated results show that C. lucidus in Chinese coastal waters can be separated into distinct northern and southern Chinese stocks. Finally, this information should promote the development of effective conservation strategies and integrated fisheries management plans for this commercially important species.
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