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Long-term and monthly changes in abundance,size composition and spatial distribution of the mantis shrimp Oratosquilla oratoriainthe BohaiSea

Long-term and monthly changes in abundance, size composition and spatial distribution of the mantis shrimp Oratosquilla oratoria in the Bohai Sea

作     者:Qiang Wu Qingpeng Han Yue Jin Tao Yang Zhongyi Li Xiujuan Shan Xianshi Jin Qiang Wu;Qingpeng Han;Yue Jin;Tao Yang;Zhongyi Li;Xiujuan Shan;Xianshi Jin

作者机构:Key Laboratory for Sustainable Development of Marine FisheriesMinistry of Agriculture and Rural Affairs/Shandong Provincial Key Laboratory for Fishery Resources and Eco-environmentYellow Sea Fisheries Research InstituteChinese Academy of Fishery SciencesQingdao 266071China Laboratory for Marine Fisheries Science and Food Production ProcessesPilot National Laboratory for Marine Science and Technology(Qingdao)Qingdao 266237China Fisheries CollegeOcean University of ChinaQingdao 266003China 

出 版 物:《Acta Oceanologica Sinica》 (海洋学报(英文版))

年 卷 期:2022年第41卷第12期

页      面:80-86页

核心收录:

学科分类:07[理学] 0713[理学-生态学] 

基  金:The National Key Research and Development Program of China under contract No.2018YFD0900902 the Central Public-Interest Scientific Institution Basal Research Fund,Yellow Sea Fisheries Research Institute,Chinese Academy of Fishery Sciences,under contract Nos 2022YJ01 and 2021TD01 the Special Funds for Taishan Scholar Project of Shandong Province 

主  题:long-term and monthly changes population dynamics mantis shrimp Oratosquilla oratoria Bohai Sea 

摘      要:With the decline in fish resources worldwide,the ecological dominance and economic importance of crustaceans have obviously *** crustacean species,mantis shrimps are increasingly dominant in many coastal waters of the *** China,Oratosquilla oratoria is the most widely distributed and productive species of mantis shrimp,and its relative resource density is the highest in the Bohai *** this study,we analysed the long-term and monthly population characteristics of *** in the Bohai Sea,including its relative resource density,body size and spatial *** results showed that the relative resource density of *** in the Bohai Sea increased from 3.59 kg/h in 1982 to 14.48 kg/h in 2018,and the percentage of this species that serves as a fishery resource increased from 4.22%in 1982 to 35.27%in 2018,based on the mean relative resource density in May and *** relative resource density of *** in the fishing moratorium season from May to August was significantly higher than that in the other months of fishing season,and the relative resource density decreased rapidly after the fishing moratorium *** relative resource density of *** was the highest in summer(August),followed by in autumn(October)and spring(May),and it was the lowest in winter(January).The relative resource density of *** in the western Bohai Sea was higher than that in the eastern Bohai *** mean body weight of *** in the Bohai Sea decreased from 21.95 g in 1982 to 14.34 g in 2018,based on the mean body weight in May and *** body size of *** in the fishing moratorium season was significantly higher than that in the fishing season,and the body size decreased rapidly after the fishing moratorium ***,in the context of declining resources of most fishery species,the relative resource density of *** increased due to its hardiness and adaptability,and its body size decreased under intensive fishing over t

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