摘要
根据北方沿海渔业资源状况和群众渔业渔船的作业特点，研制了小型单船底拖网及网板。网具采用长轴、网腹疏目、身网前段网衣无剪裁比的形式。经一年来生产试验证明产量增加明显，与同马力双船拖网相比，平均单船网产增加４０～４５％。
According to the offshore resources and the characteristics of small fishing vessels, the small single trawling net is designed by adopting long wings and large size mesh for its belly part and without cutting rate for the fore part of the net. Compared with pair trawling, it increases the single net production for 40 to 45 per cent and lowers the cost and decreases the labour intensity. It improves the economic efficiency.
出处
《大连水产学院学报》
CSCD
1997年第1期27-34,共8页
Journal of Dalian Fisheries University
关键词
拖网
网板
渔具阻力
有效拖力
网板扩张
small single trawling net
otter board
fishing gear resistance
effective trawling force
spread of otter board
