Microsatellite-Marker-Based Evaluation of Stock Enhancement for Kuruma Prawn Pernaeus japonicus in Beibu Gulf, South China Sea

Author:

Zhang Mengyi12,Zhao Yu13,Shan Binbin13,Liu Yan13,Yang Changping13,Wang Liangming13,Liu Manting13,Xie Qijian13,Li Yuan4,Zou Jianwei5,Sun Dianrong13

Affiliation:

1. South China Sea Fisheries Research Institute, Chinese Academy of Fisheries Sciences, Guangzhou 510300, China

2. School of Fishery, Zhejiang Ocean University, Zhoushan 316022, China

3. Key Laboratory of Marine Ranching, Ministry of Agriculture Rural Affairs, Guangzhou 510300, China

4. Third Institute of Oceanography, Ministry of Natural Resources, Xiamen 361005, China

5. Beihai Fishery Technology Extension Station, Beihai 536000, China

Abstract

The objectives of this study were to evaluate the effect of stock enhancement on Penaeus japonicus (Bate, 1888) in Beibu Gulf, South China Sea, and to investigate whether stock enhancement has genetically affected the natural population of P. japonicus in the Beibu Gulf waters. Five microsatellite loci were used to identify released individuals among recaptured specimens. In total, 13 of the 487 recaptured individuals were found with their corresponding parents for this release of shrimp seedlings, accounting for 2.67% of the total recaptured P. japonicus. Furthermore, it was determined that the genetic differences among the broodstock, released, and recaptured populations of P. japonicus were small and did not cause significant changes in the genetic structure of P. japonicus in the area. In conclusion, the stock enhancement of P. japonicus in Beibu Gulf had a certain effect on resource restoration, and there is no difference in the genetic characteristics obtained by the microsatellite markers compared to the original population in this area.

Funder

National Natural Science Foundation of China

the Central Public-interest Scientific Institution Basal Research Fund, South China Sea Fisheries Research Institute

the Central Public-interest Scientific Institution Basal Research Fund CAFS

China–Vietnam Fishery Stock Enhancement and Conservation

Publisher

MDPI AG

Subject

Ecology,Aquatic Science,Ecology, Evolution, Behavior and Systematics

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