论文部分内容阅读
根据虾拖网存在网目偏小,渔获物中经济鱼、虾类幼体和杂物所占比例较大等问题,于2002~2003年对在福建海区生产的网板虾拖网作业的网具进行改革,主要是在网具的后部采用上、下两个囊网。下囊网入口处装配刚性栅隔装置,起鱼、虾分离作用,上囊网采用放大网目尺寸,以达到释放经济鱼、虾类幼体为目的。通过改革试验取得了良好的效果。本文着重论述改革后的渔具特点与渔法。
According to the problems such as the small net size of shrimp trawl and the large proportion of economic fish, shrimp larvae and sundries in the catch, the netting tools for trawl shrimp trawling produced in Fujian sea area from 2002 to 2003 Reform, mainly in the back of the network with the upper and lower two capsule network. Under the capsule net entrance to install rigid grid spacing device, play the role of fish, shrimp separation, the upper capsule network with enlarged mesh size, in order to achieve the release of economic fish, shrimp larvae for the purpose. Through the reform experiment has achieved good results. This article focuses on the characteristics of the fishing gear after reform and fisheries law.