Columbia waters treaty Logbook Survey (Vessels)

This data set will contains catch (landed catch) and effort for fishing trips made by vessels fishing in Columbian waters. Because the soak time for these fisheries is relatively short, it is infeasible to require fishermen to complete a separate form every time the gear is deployed. Thus, the catch and effort data for the entire trip are reported on a single form (i.e., one form per trip). The...

本数据集收录了在哥伦比亚水域作业的渔船进行的捕捞作业中捕获的鱼类（即已上岸的捕获物）及作业强度。鉴于此类渔业的浸泡时间相对较短，要求渔民在每次投放渔具时填写单独的表格是不切实际的。因此，整个航次的捕获量和作业强度数据均汇总于单一表格中（即每航次一份表格）。