闽东渔场张网禁渔区研究

本文首先收集了张网渔船在闽东渔场生产的海区、渔船数量、渔船功率和产量。然后检测了在不同深度海区捕捞的渔获组成并分析和比较其结果,最后提出了如何管理闽东渔场张网的一些建议。张网是一种严重损害经济鱼类幼鱼的渔具,其生产渔场不应扩大;40米等深线外海域的渔获个体较大,表明张网在40米等深线外海域损害幼鱼的程度比40米等深线内海区小,可以把“40米等深线以外海域为张网作业的禁渔区”的规定改为“在拖网禁渔区线以外海域为张网作业的禁渔区”。

Study on Forbiding Fishing Area for Set Net in the Fishing Ground of East Fujian

The data about the fishing area,the catch,vessel number and engine power of set net boats fishing in Mindong fishing ground werer firstly collected.Then the catch compose caught in different depth water were examined and measured and their results were compared and analysed.The suggestiones how to administ the set net fishing in Mindong ground were put forward. The fishing area should not be enlarged since the fishing gear of set net is one kind of fishing exercise which damage economy young fish.The level of damaging young fish by set net in the area outside 40m isobath is less than in the area inside 40m isobath since fish specificationl caught in the area outside 40m isobath is larger than those caught in the area inside 40m isobath.The regulation of forbiding the set net boats to fish in area outside 40m isobath should be amended to forbid the set net boats to fish in area outside forbiding fishing line of trawl vessel.