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本文将难以捕捞的鲤鱼为主要研究对象,测定了鲤鱼在 x/4双向脉冲电场中的感电场强、电流阈值以及双极式线状电极的感电范围。采用电场与网具互补和紧密配合的技术路线,在兜式拉网底纲设置合理电场阻止鱼类钻纲,底纲加设网兜堵塞“抬纲”产生的逃鱼“漏洞”,较好地摸索了底层鱼的捕捞技术。面积0.67公顷圈养区3网鲤鱼捕获率为85～96％,10公顷圈养区5网捕获率为87％。与传统渔具渔法相比,提高鲤鱼单位网次捕获率10倍以上。
In this paper, the hard-to-catch carp was the main research object. The electric field strength, current threshold and the sensing range of the bipolar linear electrode were measured in x / 4 bi-directional pulsed electric field. The use of electric field and the complementary and closely mesh with the technical route, in the pocket to pull out the bottom of the outline of reasonable electric field to prevent the fish drill, the end of the net addition to the net pocket plug “Gang Gang” generated escape “loopholes”, better Groping the bottom of the fish fishing technology. An area of 0.67 hectares of captive area 3 net carp catch rate of 85 to 96%, 10 hectare captive area 5 net capture rate of 87%. Compared with the traditional fishing gear fishing method, raising the frequency of carp unit net catch more than 10 times.