论文部分内容阅读
对中型草型湖泊网湖鲢、鳙、草鱼在混浊水体中、多水草区以及草排区内对声与网具反应行为研究表明，鲢、鳙能基本结群、草鱼能部分或大部分结群被驱集至预定区域。可用集中型渔具渔法来取代原分散型个体单船丝网作业。对三种集中型渔具渔法进行了比较研究，结果表明第三种亦即插拦、驱集、刺缠、捕集中型渔具渔法最适宜中型草型湖泊鲢、鳙、草鱼的捕捞，年起捕率为８６２％—９８６％。
The results showed that the silver carp and the bighead carp could basically knot the group, and the grass carp could partially or mostly knot the grass carp in the turbid water body, The flock is flooded to a predetermined area. Available centralized fishing gear fishing method to replace the original decentralized individual single-screen operation. The comparative research on the fishing methods of three kinds of concentrated fishing gear shows that the third kind is the fishing, driving, splintering and catching fishing of medium sized fishing gear, which is most suitable for the fishing of the large grass carp, silver carp, bighead carp and grass carp, Annual catching rate of 86 2% -98 6%.