摘要
底生贝类拖网根据魁蚶、红螺、栉江瑶等底生贝类生态习性，采用铁链下纲、长网袖、短网盖。大网目等措施，原生产肉增产贝类６２．４３％。推广４年共增加效益７４８１万元，节约成本３２０万元．１９９５年１月专家鉴定认为，本成果在拖网捕捞贝类方面达国内领先水平。
In accordance with the living habit of the shellfishes suCh as arkshen,conch,Pectiatu,oh living in the sea bottom,a trawl for catching them was designed. It was made with big-sized meshnet, iron chain line, long wing and short square. The shellfishes catch of this trawl increased by62. 43%, comPared with that of the traditional trawl. Spreading this trawl four years, the toeal eec-noal benefit increased 74. 81 million yuan and saved the cost of 3. 20 million yUan. The experimentalresult,aPPraised by expertS in Jan., 1995, was in the lead at home in the range of catching shellfisheswith the trawl.
出处
《齐鲁渔业》
1996年第4期27-29,共3页
Shandong Fisheries
基金
烟台市科技发展计划重点项目
关键词
底生贝类
拖网
铁链下纲
长网袖
短网盖
贝类
trawl for catching sea-bottom shellfishes
iron chain line
long wing
short square
