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赤水河上游云南光唇鱼年龄与生长研究
Authors
王剑伟
胡付平
+3 more
胡思玉
赵海涛
陈永祥
Publication date
1 January 2009
Publisher
Abstract
2007年10月至2008年5月间在赤水河国家级鱼类保护区上游的云南镇雄县坡头乡采集到云南光唇鱼(Acrossocheilus yunanensis)430尾(体长范围57mm~281mm),其中雄鱼77尾,雌鱼97尾,其余的性别不确定,样本为流刺网和电击捕获。通过鳞片对430号标本进行了年龄鉴定,首次对赤水河上游云南光唇鱼的年龄与生长特点进行了研究,分析了体长、体重、鳞径的关系及渔获物的年龄结构组成。所采集云南光唇鱼的年龄由0-5龄组成;体长与鳞径呈线性正相关关系,关系式为:L♀=0.0157R-0.
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Institute of Hydrobiology, Chinese Academy Of Sciences
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oai:ir.ihb.ac.cn:152342/40
Last time updated on 15/03/2018