第二节 渔获努力量 渔获努力量（Fishing Effort）系指特定时间内，投入渔业捕 捞生产工具的数量和强度，通常用标准渔具或渔船的单位时间来 表示，如拖网次、作业时间，可作为一个...
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在以往的东、黄海底拖网渔业资源研究中，投网次数常作为渔捞努力量的度量单位。
In the previous study of trawl fishery resources of East China sea and Huanghai sea, the number of hauls is usually taken as the unit of fishing effort.
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.
监测调查表明南沙珊瑚礁水域的软骨鱼类在全年均可捕获，产量的变动主要与捕捞努力量相关。
The monitoring survey indicated that Chondrichthyes in the Nansha Islands waters could be captured all the year round, and the yield was mainly related with the fishing effort.
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