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长江鱼类繁殖共位群划分的初步研究
Authors
乔晔
常剑波
张轶超
Publication date
1 January 2011
Publisher
Abstract
依据鱼类的繁殖习性及其早期发育阶段的适应特征,将长江中的8目17科90种鱼类划分为3个行为类型,13个繁殖共位群。其中鲤形目鱼类的86.9%属于无亲体护卫型繁殖类群,多为适应长江干流环境的漂浮性产卵类群以及适应湖泊定居的喜石性产卵类群与喜植性产卵类群。与现有的分类系统相比较,鱊亚科的全部种类仅局限于同一个繁殖共位群中,而鮈亚科的种类则分布于5个不同的繁殖共位群。对不同水系繁殖共位群的组成进行了比较。此外,讨论了不同繁殖共位群的生态适应性,及其在长江流域鱼类资源保护中的应用
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Institute of Hydrobiology, Chinese Academy Of Sciences
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oai:ir.ihb.ac.cn:342005/15967
Last time updated on 15/03/2018