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Position: Home > Articles > The Structure and Growth Characteristics of The Main Economic Fish Species in The Tanghe Reservoir in Recent Years Chinese Journal of Fisheries 2010,23 (3) 26-30

汤河水库近期鱼类结构及主要经济鱼类生长特性

作  者:
刘丙阳
单  位:
辽宁汤河渔业有限公司
关键词:
汤河水库;鱼类结构;经济鱼类;生长特性
摘  要:
2007和2008年5~10月间对辽宁省汤河水库鱼类进行了现场采集和分析,共收集到鱼类18种,分别隶属于5科18属。其中鲤科14种,占77.8%;鲿科、鲇科、鮨科、鳢科各1种,占22.2%。5月、8月、10月鲢、鳙比例占渔获物平均数的71.6%,年龄为1至5龄,其中2~4龄鱼比例占82%;鲢和鳙的体长生长和体重生长分别为:Lt=L∞[1-e-(kt-t0)]和Wt=W∞[1-e-(kt-t0)]3。
译  名:
The Structure and Growth Characteristics of The Main Economic Fish Species in The Tanghe Reservoir in Recent Years
作  者:
LIU Bing-yang(Tanghe Fisheries Limited Company of Liaoning,Liaoyang 111008,China)
关键词:
Tanghe reservoir;fish structure;economic fish;growth characteristics
摘  要:
From May of 2007 to October of 2008,the fish species of Tanghe Reservoir in Liaoning Province was collected and analyzed.The collected fish belonged to five families and 18 genera,of the Cyprinidae accounted for 77.8 %,the Bagridae,Siluredae,Serranidae and Channa was only one species,accounting for 22.2%.The silver carp and bighead carp accounted 71.6% of the average capture with one years old to five years old,of two to four years old accounted 82% in May,August,and October.The growth realationship oflength and weight of the silver carp and bighead carp were Lt = L∞[1-e(kt-t0)] and Wt=∞[1-e(kt-t0)]3,respectively.

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