Most of the researches of selectivity of fishing gear ignored the between-haul Variation which is caused by uncontrolled factors such as the depth of water, direction and velocity of wind and current.
传统渔具选择性研究大多忽略了非可控因素(如水深、风流等)造成的网次间差异。
It is carried out,in this paper,to introduce fishing gear structure & assembly,fishing-boat requirement,main fishing ground,fishing operation procedure and key skills of fixed gill net for swimming crab,and to analyse its economic performance & its prospect.
介绍梭子蟹定刺网渔具结构特点、渔具装配、渔船要求、主要渔场以及捕捞操作程序和技术要点,分析该作业经济效益和发展前景。
During this decade, Chinese fisher and fishery instrument industry had achieved a high-speed development; and its sustainable development will be benifit to upgrading fishery industry structure and improving fisher’s income.
随着市经济的不断深入和发展,我国渔业处于发展的良好机遇,近10年,我国渔船渔具产业取得了快速的发展,进一步推动我国渔船渔具产业的可持续发展,将有利于推动我国渔业产业升级,提高渔民的收入。
