福寿鱼生长率与体重的关系

被引:7
作者
王岩
机构
[1] 汕头大学海洋生物实验室!汕头
关键词
福寿鱼; 特定生长比数; 体重;
D O I
暂无
中图分类号
S965 [各种鱼类养殖];
学科分类号
090801 ;
摘要
1998年4─10月于汕头大学南澳海洋生物实验站对福寿鱼进行了四次生长实验,结果表明福寿鱼在海水或淡水中特定生长比数(SGR)均随体重(W)增加明显下降,在海水中二者间回归方程为lnSGR=1.954—0.327lnW,在淡水中为lnSGR=3.161—0.65lnW.淡水中福寿鱼SGR与体重关系的斜率(b值)明显低于鱼类常见b值(-0.4),其原因与实验后期水温下降和福寿鱼领域行为变化有关.实验显示福寿鱼在不同生长阶段SGR与体重的关系并非完全恒定,因此应根据相同条件下得出的SGR与体重关系来校正和评价福寿鱼体重对SGR的影响.
引用
收藏
页码:50 / 54
页数:5
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