摘要
以额敏河搜集的 50条伊犁鲈鱼为基础 ,研究了额敏河伊犁鲈体长与鳞径的关系L =1 .862R- 5.1 2 5和体重与体长的关系W =0 .0 695L2 .3833,并应用Von Bertalanffy生长方程拟合其生长规律。其主要生物学参数为 :L∞=2 5.2 9cm、K =0 .2 0 4、t0 =- 0 .61 8(年 )、W =2 2 5.64g ;拐点年龄 ti =3.64龄、拐点体重Wi=61 .73g、拐点体长Li=1 4.68cm ;最大寿命为 1 1 .0 6龄 ;捕捞体长 1 4.68cm、体重 74.69g以上的群体 。
This paper deals with the age and growth of perca shrenki kessler based on the 50 speciments collected from Emin River.The relation between bodylength and squama radius is shown by the equation:L=1.862R-5.125.The reation between weight and length can be expressed by the power function equation:W=0.0695L\+\{2.3833\},with the application of Von Bertalanffy equation.The growth equation is:L\-t=25.29[1-e\+\{-0.204(t+0.618)\}],W\-t=225.64[1-e\+\{-0.204(t+0.618)\}]\+\{2.3833\}.Main biological parameters:L\-∞=25.29 cm\,K=0.204\,t\-0=0.618 a\,W=225.64 g.The inflexion point is at t\-1=3.64 a,W\-i=61.73 g,L\-i=14.68 cm.\;
出处
《石河子大学学报（自然科学版）》
CAS
2000年第4期289-294,共6页
Journal of Shihezi University(Natural Science)
