赣江峡江段四大家鱼资源现状的研究  

Resource Status of Four Major Chinese Carps in the Xiajiang Reach of Ganjiang River

作　　者：张建铭[1] 吴志强[1] 胡茂林[1] 

机构地区：[1]南昌大学生命科学与食品工程学院,江西南昌330031

出　　处：《水生态学杂志》2010年第1期34-37,共4页Journal of Hydroecology

基　　金：国家自然科学基金(30760188);鄱阳湖水系四大家鱼的资源现状及仔稚鱼洄游规律研究项目资助

摘　　要：2008年和2009年的4～6月,对赣江峡江段四大家鱼资源现状进行了采样调查。共采集四大家鱼392尾,其中青鱼46尾,占11.73%;草鱼260尾,占66.33%;鲢54尾,占13.78%;鳙32尾,占8.16%。在这些四大家鱼中,性成熟个体较少,其中青鱼8尾,草鱼5尾,鲢、鳙各1尾;其年龄结构简单,以低龄鱼为主,其中1龄和2龄鱼占81.60%。结果表明,赣江峡江段四大家鱼资源匮乏,繁殖群体较少,应采取人工增殖放流、规范捕捞方式有效地保护鱼类资源。This paper investigated the resource status of the four major Chinese carps in Xiajiang reach of Ganjiang River from April to June in 2008 and 2009,and collected 392 samples including 46 Mylopharyngodon piceus,260 Ctenopharyngodon idellus,54 Hypophthalmichthys molitrix and 32 Aristichthys nobilis with the proportion of 11.73%.66.33%,13.78% and 8.16%. Among these carps,fewer sexual maturation individuals were found,which are 8 Mylopharyngodon piceus,5 Ctenopharyngodon idellus,1 in each of Hypophthalmichthys ...

关 键 词：赣江 峡江段 四大家鱼 资源现状 

分 类 号：S932.4[农业科学—渔业资源]