摘要
对兴凯湖翘嘴红鲌Erythroculter ilishaeform is(B leeker)的生长式型进行了研究,经统计分析表明:翘嘴红鲌的体长与鳞径的关系为L=0.7960×10-3R1.9060(r=0.9729);体长与体重的关系为W=8.9047×10-3L3.0427(r=0.9153),属等速生长类型;用Von Bertalanffy生长方程拟合了兴凯湖翘嘴红鲌的生长,其渐近体长和渐近体重分别为98.05 cm和10.21 kg,拐点年龄出现在10.42龄,拐点体长为65.81 cm,体重为3.03 kg,与长江水系翘嘴红鲌的生长式型不同。
A survey of topmouth eulter （Erythroculter ilishaeformis） in Xingkai Lake showed that the relationship between length and scale radii was expressed in the equation： L=0.7960×10^-3 R^1.9060 （r=0.9729）. The length-weight relationship was measured as： W=8.9047×10^-3 L^3.0427 （r=0.9153）. Von Bertalanffy growth equation of topmouth eulter in Xingkai Lake revealed that the asymptote length and weight were 98.05 cm and 10.21 kg, respectively, and that the inflexion was at that 10.42 years （body length 65.81 cm and body weight 3.03 kg）. There were different growth patterns of topmouth eulter both in Xingkai Lake and in Changjiang Water System.
出处
《大连水产学院学报》
CSCD
北大核心
2005年第3期218-221,共4页
Journal of Dalian Fisheries University
关键词
兴凯湖
翘嘴红鲌
生长式型
Xingkai Lake
Erythroculter ilishaeformis
growth pattern
