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Spatio-temporal distribution of konosirus punctatus spawning and nursing ground in the South Yellow Sea

Acta Oceanologica Sinica 2021年第8期40卷 133-144页

作者： Xiangyu Long Rong Wan Zengguang Li Yiping Ren Pengbo Song Yongjun Tian Binduo Xu Ying Xue Fisheries College Ocean University of ChinaQingdao 266003China College of Marine Sciences Shanghai Ocean UniversityShanghai 201306China National Engineering Research Center for Oceanic Fisheries Shanghai Ocean UniversityShanghai 201306China Key Laboratory of Sustainable Exploitation of Oceanic Fisheries Resources Shanghai 201306China Laboratory for Marine Fisheries Science and Food Production Processes Pilot National Laboratory for Marine Science and Technology(Qingdao)Qingdao 266237China

In recent years,konosirus punctatus has accounted for a large portion in catch composition and become important economic species in the South Yellow ***,the distribution of *** early life stages is still poorly *** this study,generalized additive models with Tweedie distribution were used to analyze the relationships between *** ichthyoplankton and environmental factors(longitude and latitude,sea surface temperature(SST),sea surface salinity(SSS)and depth),and predict distribution *** spawning ground and nursing ground,based on samplings collected in 6 months during 2014–*** results showed that ***’spawning ground were mainly distributed in central and north study area(from 33.0°N to 37.0°N).By comparison,the nursing ground shifted southward,which were approximately located along central and south coast of study area(from 31.7°N to 35.5°N).The optimal models identified that suitable SST,SSS and depth for eggs were 19–26℃,25–30 and 9–23 m,*** suitable SSS for larvae were 29–*** *** spawning habit might have changed in the past decades,which was a response to increasing SST and fishing *** needs to be proved in further *** study provides references of conservation and exploitation for ***.

关键词： the South Yellow Sea konosirus punctatus generalized additive model(GAM) Tweedie distribution spawning ground nursing ground

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New perspectives on the genetic structure of dotted gizzard shad(konosirus punctatus)based on RAD-seq

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Marine Life Science & Technology 2024年第1期6卷 50-67页

作者： Ying Peng Yifan Liu Jiasheng Li Kun Zhang Xun Jin Sixu Zheng Yunpeng Wang Zhenming Lu Liqin Liu Li Gong Bingjian Liu National Engineering Laboratory of Marine Germplasm Resources Exploration and Utilization Zhejiang Ocean UniversityZhoushan 316022China National Engineering Research Center for Facilitated Marine Aquaculture Marine Science and Technology CollegeZhejiang Ocean UniversityZhoushan 316022China

To maintain,develop and rationally utilize marine organisms,understanding their genetic structure and habitat adaptation pattern is *** punctatus,which is a commercial fish species inhabiting the Indo-west Pacific Ocean,has shown an obvious annual global capture and aquaculture production decline due to climate changes and human *** the present study,restriction-site associated DNA sequencing(RAD-seq)was used to describe its genome-wide single nucleotide polymorphisms panel(SNPs).Among 146 individuals collected at nine locations scattered in China,Korea and Japan,a set of 632,090 SNPs were *** genetic analysis showed that *** individuals were divided into two significant genetic ***,potential genetic differentiation between northern and southern population of *** was *** results indicated that gene flow existed among sampling locations of ***,especially from southern Japan to ***,candidate genes associated with habitat adaptations of *** were identified,which are involved in diverse physiological processes of *** including growth and development(e.g.,KIDINS220,PAN3),substance metabolism(e.g.,PGM5)and immune response(e.g.,VAV3,CCT7,HSPA12B).Our findings may aid in understanding the possible mechanisms for the population genetic structure and local adaptation of ***,which is beneficial to establish the management and conservation units of ***,guiding the rational use of resources,with reference significance for a profound understanding of the adaptative mechanisms of other marine organisms to the environment.

关键词： Population structure konosirus punctatus SNP RAD-seq Local adaptation

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