福建张网作业损害经济幼鱼调查报告

Investigation Report on Impacts of Bag Net Operation to Adolescent Commercial Fish Species in Fujian Province

福建沿海张网作业的渔获物包括鱼类、甲壳类和头足类，共计３６６种。其重量组成以个体小型、数量大宗的鱼虾类为主。受到损害的经济幼鱼、幼体占张网渔获量的２０．２％，其中带鱼幼鱼占１２．８６％，在重要经济种中占６３．６６％，且年平均个体重量只有３．８克，受损害最严重。建议在规定张网渔业禁渔区、禁渔期时，优先考虑保护带鱼幼鱼资源。

The catch from coastal bag net operation in Fujian was composed of fish, crustacea and squid, 366 species in total. The majority of them was numerous fish and shrimps with small body sizes. 20.2% of the catch were the injured adolescence and fingerlings of commercial species, 12.86% of which was adolescent hairtail fish, accounting for 63.66% of important commercial species. Besides, the annual average individual weight of hairtail fish was merely 3.8 gram, showing that its the species mostly injured. Its suggested that the protection of adolescent hairtail fish resources should be firstly taken into consideration when the forbidden fishing zone and forbidden fishing period are established.