捕捞死亡
- 【水产】fishing death
捕捞死亡-
实际种群分析（VPA）是渔业评估的经典方法之一，被广泛应用于分析渔业的历史数据、估算渔业种群的资源量及捕捞死亡系数。
Virtual population analysis is one of classical methods in fishery stock estimation , which is used to analyze the history data , and to estimate the population abundance and the fishing mortality .
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总死亡系数为2.05，自然死亡系数为0.58，捕捞死亡系数为1.47，临界年龄为2.18龄。
Total death coefficient , natural death coefficient and the coefficient of fishing death are 2.05 , 0.58 and 1.47 , respectively , and critical age is 2.18 years .