利用聚类和相关分析方法，研究了单位捕捞努力量渔获量与表层盐度及不同水层水温的关系。
By using methods of cluster and correlation analysis, the correlation of the catch per unit effort (CPUE) to the sea surface salinity and the seawater temperatures of different depths were studied.
基于扩展残存资源量法，提出一种根据分年龄组渔获量以及资源量指数(单位捕捞努力量渔获量，CPUE)求算鱼类的自然死亡系数(M)的新方法。
A new method for estimating fish natural mortality coefficient (m), based on the extended survivors method, using a catch-at-age data and an abundant index (catch per unit effort, CPUE) was proposed.
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