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研究了1981年与1991年大通湖鳙的年龄与体重组成、绝对增长与相对增长等的变化特点，以及放湖鱼种与存湖鱼种变化对鳙生长的影响，提出了适当降低捕捞强度、合理增投Ⅱ龄鱼种等技术措施。
This paper studied the characteristics of age, weight composition, absolute growth and relative growth of Datura ducks in 1981 and 1991, and the effects of changes in lakes and lakes on the growth of larvae. Proposed to reduce the fishing intensity, Reasonable investment in second-stage fish species and other technical measures.