这是最主要的方法,于离岸深水地区进行。一般以两艘船,各拉著渔网一端,然后同时前进,捕捞水中的渔类,但同时会捞起其它水产;亦可以用一只渔船拖网。
渔业与环境:一个新发明可以降低拖网捕鱼法对珊瑚、海绵、海藻和其他海底生物的危害。
Fishing and the environment: a new invention makes trawling for fish much less harmful to coral, sponges, seaweed and other denizens of the seabed.
采用混合神经网络调度法对玻璃钢拖网渔船进行技术经济论证,结果表明,该方法能够提高优化结果的效率和鲁棒性。
A practical case of technological and economical collaborative evaluation for FPR trawler vessels demonstrates that the proposed method is of better efficiency and robust.
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