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引用本文:张小谷,熊邦喜.鄱阳湖鲌属(Culter)和原鲌属(Culterichthys)鱼类体重与体维关系.湖泊科学,2007,19(4):457-464. DOI:10.18307/2007.0415
ZHANG Xiaogu,XIONG Bangxi.On the relationship between body weight and body dimensions of culter and Culterichthys in Lake Poyang. J. Lake Sci.2007,19(4):457-464. DOI:10.18307/2007.0415
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鄱阳湖鲌属(Culter)和原鲌属(Culterichthys)鱼类体重与体维关系
张小谷1,2, 熊邦喜1
1.华中农业大学水产学院, 武汉 430070;2.九江学院生命科学学院, 九江 332000
摘要:
实测和回归分析鄱阳湖鮊属(Culter)的翘嘴鮊(C. alburnus)、蒙古鮊(C. mongolicus)、达氏鮊(C. dabryi)和原鮊属(Culterichthys)的红鳍原鮊(C. erythropterus)体重与体维关系。结果表明, 多元回归方程能全面地反映不同体维对鱼类体重的影响, 体重与体侧面积体厚的回归方程较适宜。其体重(W)与体侧面积(A)及体厚(T)的幂函数关系式分别是, 翘嘴鮊:W=4.05051×10-3A0.66260T1.41994;蒙古鮊:W=3.18603×10-3A0.66845T1.44376;达氏鮊:W=1.99310×10-3A0.70982T1.47305;红鳍原鮊:W=3.58823×10-3A0.63253T1.49465
关键词:  鲌属  原鲌属  体重  体维  鄱阳湖
DOI:10.18307/2007.0415
分类号:
基金项目:江西省教育厅科技课题(项目)(JYTKJ0201)资助
On the relationship between body weight and body dimensions of culter and Culterichthys in Lake Poyang
ZHANG Xiaogu1,2, XIONG Bangxi1
1.College of Fisheries, Huazhong Agriculture University, Wuhan 430070, P. R. China;2.College of Life Science, Jiujiang University, Jiujiang 332000, P. R. China
Abstract:
The weight and dimensions of individuals for four species, Culler albumus, C. mongolicus, C. dabryi, and Culterichthys erythropterus from Lake Poyang were measured and their regression equations were given. The multivariate formulae are better due to the fact that they reflect more comprehensively the effect of various dimensions on the weight of fish. The regression equations for body weight, side area and width are feasible. In the present study, the power equations that can give better results are W=4.05051×10-3A0.66260T1.41994(C. albumus), W=3.18603×10-3A0.66845T1.44376(C. mongolics), W=1.99310×10-3A0.70982T1.47305(C. dabryi) and W=3.58823×10-3A0.63253T1.49465(C. erythropterus).
Key words:  Cutter  Culterichthys  body weight  body dimensions  Lake Poyang
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