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引用本文:顾志敏,叶金云,朱俊杰,黄鲜明,葛亚非,苏建胜.浙江铜山源水库美国大口胭脂鱼的年龄组成及生长.湖泊科学,2005,17(4):346-350. DOI:10.18307/2005.0411
GU Zhimin,YE Jinyun,ZHU Junjie,HUANG Xianming,GE Yafei,SU Jiansheng.Studies on the Age and the Growth of Large Mouth Buffalo Ictiobus cyprinellus (Valenciennes) in Tongshanyuan Reservoir, Zhejiang Province. J. Lake Sci.2005,17(4):346-350. DOI:10.18307/2005.0411
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浙江铜山源水库美国大口胭脂鱼的年龄组成及生长
顾志敏1, 叶金云1, 朱俊杰1, 黄鲜明1, 葛亚非2, 苏建胜3
1.浙江省淡水水产研究所, 湖州 313001;2.浙江省渔政局, 杭州 310006;3.衢州市水利局渔政处, 衢州 324002
摘要:
2002-2004年,在浙江衢州铜山源水库,对该库放养的美国大口胭脂鱼的生长情况进行了研究,结果表明,该水库美国大口胭脂鱼的鳞片以环片的切割型为主要年轮特征.用刺网所捕的美国大口胭脂鱼渔获物中以Ⅱ、Ⅲ、Ⅳ龄个体为主.体长和体重的关系式为:W=8.595×10-515 L2.662,Von Bertalanffy生长方程的主要生物学参数:L=36.54cm,W=1.245kg,k=0.6377,t0=-0.261龄,体重生长的拐点年龄tr=1.92龄,拐点体重Wr=0.396kg.与池养鱼类生长情况相比,铜山源水库的美国大口胭脂鱼生长较慢.
关键词:  铜山源水库  美国大口胭脂鱼  年龄组成  生长
DOI:10.18307/2005.0411
分类号:
基金项目:浙江省重点科研资助项目(011102106)
Studies on the Age and the Growth of Large Mouth Buffalo Ictiobus cyprinellus (Valenciennes) in Tongshanyuan Reservoir, Zhejiang Province
GU Zhimin1, YE Jinyun1, ZHU Junjie1, HUANG Xianming1, GE Yafei2, SU Jiansheng3
1.Zhejiang Institute of Freshwater Fisheries, Huzhou 313001, P. R. China;2.Zhejiang Bureau of Fishery Management, Hangzhou 310006, P. R. China;3.Fishery Management Division, Water Conservancy Bureau of Quzhou, Quzhou 324002, P. R. China
Abstract:
The growth performance of large mouth buffalo stocked in Tongshanyuan Reservoir in the pericKl of 2002-2004 was studied. The results showed large mouth buffalo, whose scales were mainly characterized by incision, was composed of groups aged Ⅱ、Ⅲ、Ⅳ in gill net catches. The relationship between the body-weight and the body-length can be described as W=8.595×10-515 L2.662. the growth patterns can be fitted to a Von Bertalanfiy Growth Model, in which L, W, k and t0 are 36.54cm, 1.245kg, 0.6377 and -0.261 ya respectively. At the broken point of the growth equation of body-weight, tr=1.92 ya and Wr=0.396kg. The growth of large mouth buffalo in Tongshanyuan Reservoir is slower than that of the fish fanned in ponds.
Key words:  Tongshanyuan Reservoir  Ictiobus cyprinellus (Valenciennes)  age composition  growth
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