Age and Growth Characteristics of Crimson Sea Bream Paragyrops edita Tanaka in Beibu Gulf

查看全文 作　　者：HOU Gang FENG Bo LU Huosheng ZHU [1]Junfeng

机构地区：[1]Fisheries College, Guangdong Ocean University Zhanjiang 524025, P. R. China

出　　处：《Journal of Ocean University of China》索引2008年第7卷第4期,共9页

基　　金：the National Natural Science Foundation of China (30771653);the program Fish Stock Investigation and Assessment of Beibu Gulf,Ministry of Agriculture,P R China (0509109) 摘　　要：Age and growth characteristics of crimson sea bream Paragyrops edita Tanaka in Beibu Gulf were studied through bot-tom trawling and gillnet fleets fishing from July 2006 to December 2007. A total number of 1155 individuals,ranging from 49 to 249 mm in standard length was examined. The age of the fish was determined from sagittal otoliths. One year growth was made up of one translucent and one opaque zone. A maximum likelihood estimation procedure was used to fit the Von Bertalanffy,Logistic and Gompertz growth functions to the length-at-age data. ARSS indicated that there were no significant differences in growth between sexes in the three growth models (P>0.05),and the Von Bertalanffy growth function Lt=292.8{1-exp -0.167(t+1.116) } was se-lected as the most appropriate growth model according to Akaike’s information criterion (AIC). 关键词：生长特性海洋生物耳石年龄生物习性

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Age and Growth Characteristics of Crimson Sea Bream Paragyrops edita Tanaka in Beibu Gulf

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