Genetic diversity monitoring of Fenneropenaeus chinensis in the Bohai Sea in the past decade: A study on the effect of release on the natural population
文献类型： 外文期刊
作者： Lyu, Ding 1 ; Sun, Song 1 ; Shan, Xiujuan 1 ; Jin, Xianshi 1 ; Wang, Mosang 1 ; Liu, Kefeng 3 ; Wang, Yu 3 ; Wang, Weiji 1 ;
作者机构： 1.Chinese Acad Fishery Sci, Yellow Sea Fisheries Res Inst, Key Lab Sustainable Dev Marine Fisheries, Minist Agr & Rural Affairs, Qingdao 266071, Peoples R China
2.Funct Lab Marine Fisheries Sci & Food Prod Proc, Pilot Natl Lab Marine Sci & Technol Qingdao, Qingdao 266237, Peoples R China
3.Tianjin Fisheries Res Inst, Tianjin 300457, Peoples R China
关键词： Fenneropenaeus chinensis; Genetic diversity; Microsatellite; Stock enhancement
期刊名称：REGIONAL STUDIES IN MARINE SCIENCE （ 影响因子：2.1； 五年影响因子：2.1 ）
ISSN： 2352-4855
年卷期： 2023 年 61 卷
页码：
收录情况： SCI
摘要： Fenneropenaeus chinensis is an important species in both aquaculture and fishery activities. Its natural stock has primarily relied on artificial propagation and release in recent decades. In this study, captured populations of F. chinensis in the Bohai Sea were genotyped by microsatellite markers over seven years between 2012-2021. Genotype data were used to investigate genetic differentiation among geographic populations in the Bohai Sea and to further compare genetic diversity across different years. The purpose was to provide direct evidence for the impacts of artificial propagation and release on the natural population in the past decade and to reveal the survival status of F. chinensis. The fixation index (Fst) among six geographic populations ranged from 0.000-0.012, with no or very little genetic differentiation. The genetic diversity parameters, including allele number (Na), effective allele number (Ne), and observed heterozygosity (Ho), fluctuated irregularly over the years, and all expected heterozygosity (He) remained stable. There was no significant increase or decrease in the genetic diversity of F. chinensis in the Bohai Sea in the past decade. Fst among populations from different years (0.001-0.013) were larger than those among different geographic populations but still at a very low level, indicating that the genetic composition of F. chinensis in the Bohai Sea maintained fairly high stability. The results in the current study showed that the genetic diversity and genetic composition of F. chinensis in the Bohai Sea were not significantly changed by release practices.(c) 2023 Published by Elsevier B.V.
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