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题名: Age and growth of Salmo trutta fario L. from Yadong River, Tibet
作者: Hao Fu-Hua (haofuhua@ihb.ac.cn) ; Chen Yi-Feng (chenyf@ihb.ac.cn) ; Tang Wei-Xing ; Cai Bin
通讯作者: Hao Fu-Hua ; Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China
刊名: Acta Hydrobiologica Sinica
发表日期: 2007
卷: 31, 期:5, 页:731-737
收录类别: 其他
英文摘要: A total of 462 specimens of Salmo trutta fario L. were collected front Yadong River, Tibet, during the period front 1999 to 2002. The population structure and growth characteristics of Salmo trutta fario L. were studied in [lie present paper. Age of 302 individuals was determined with scales. The Von Bertalanffy growth model was fitted to mean lengths of estimated ages of individual fish and estimated growth parameters, female (female) L-t = 709. 44 [1 e(-0.1656(t.-0.0845))] (R-2 = 0.9993, n = 132) and W-t 6017.46[1e (-0.1656(t-0.0845))](2.9724) (R-2 = 0.9845, n = 132); male(male), 797.82[1 - e(-0.14280(t. - 0.0058))] (R-2 = 0.9994, n = 170) and W-t 8566.72 [1 - e(-0.14280 (t - 0.0058))](2.9822) (R-2 = 0.9724, n = 170). Sex ratio of female and male was 1 : 1.29. Growth index was 9.05-14.23 (female) and 10.76-19.22 (male); the mean standard length was 192.60 +/- 69.92 mm (female) and 188.91 +/- 53.18 mm (male). The results showed that the growth rate was significantly different between sexes (p < 0.01 male fish appeared to grow at a faster rate and had longer life-spans than females.
ISSN号: 1000-3207
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/18221
Appears in Collections:中科院水生所知识产出(2009年前)_期刊论文

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Hao Fu-Hua (haofuhua@ihb.ac.cn) ; Chen Yi-Feng (chenyf@ihb.ac.cn) ; Tang Wei-Xing; Cai Bin.Age and growth of Salmo trutta fario L. from Yadong River, Tibet,Acta Hydrobiologica Sinica,2007,31(5):731-737
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文件名: Age and growth of Salmo trutta fario L. from Yadong River, Tibet.pdf
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