渤海小黄鱼生长特征的变化 Growth variations of small yellow croaker (Pseudosciaena polyactis

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渤海小黄鱼生长特征的变化

Growth variations of small yellow croaker (Pseudosciaena polyactis Bleeker) in the Bohai Sea

根据1960年、1982年、1993年和2003年各年春季对渤海进行的底拖网调查获得的小黄鱼(Pseudosciaena polyactisBleeker)生物学数据,对4个不同年代间渤海小黄鱼的群体组成、生长状况等生物学特征的年代间变化进行分析,结果表明,渤海小黄鱼的生物学特征在这4个年代间发生了明显变化.自1982年以来,渤海小黄鱼群体结构呈现个体小型化、低龄化、生长加快、渐近体长和渐近体质量减小、体质量生长拐点提前等现象.小黄鱼生物学特征因子的年代间变化,可能与渔业资源不断衰退以及小黄鱼自身对外界环境因素变化的适应有关.水利论文 H Wm\.^9[

作 者: 郭旭鹏 金显仕 戴芳群 GUO Xu-peng JIN Xian-shi DAI Fang-qun  
作者单位:郭旭鹏,GUO Xu-peng(农业部海洋渔业资源可持续利用重点开放实验室,中国水产科学研究院,黄海水产研究所,山东,青岛,266071;上海水产大学,海洋学院,上海,200090)水利论文:m8e;yL+jE?+c
金显仕,戴芳群,JIN Xian-shi,DAI Fang-qun(农业部海洋渔业资源可持续利用重点开放实验室,中国水产科学研究院,黄海水产研究所,山东,青岛,266071) 
刊 名:中国水产科学  ISTIC PKU
英文刊名:JOURNAL OF FISHERY SCIENCES OF CHINA 
年,卷(期):2006 13(2) 
分类号:S931 
关键词:生长特征   小黄鱼   渤海  
机标关键词:渤海小黄鱼生长特征生物学特征外界环境因素体质量渔业资源特征因子生长状况群体组成群体结构渐近小型化底拖网低龄化数据拐点个体调查春季 
基金项目:中国科学院资助项目 
下一篇:东海区主要经济鱼类开捕规格的初步研究 First capture sizes of major commercial fishes in the East C
上一篇:乳山湾菲律宾蛤仔可溶性氮、磷排泄及其与温度的关系 Excretions of dissolved nitrogen and phosphorus in Rud
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