六片式拖网在几内亚渔场的适用性

SUITABILITY OF SIX-PANEL DEMERSAL TRAWL AT GUINEA FISHING GROUND

拖网渔具必须适应渔场和捕捞对象的特征，这对提高渔获效果是十分重要的。本文对几内亚渔场所使用的48．78×56．64m六片式拖网的规格和主要性能参数作了具体分析，并对网衣配置、装配工艺和几个部位的工艺性处理作了详细的说明。通过生产实践和与其它几种网型的比较，证明了该种类型的拖网的优越性，以期对今后的渔业生产有所帮助。

Trawlnets should be adapted to the characterisitics of the fishing ground and the catching object and it is very important to enhance the fishing efficiency of the gear.In this paper the dimensions and the main performance parameters of 48. 78 ×56. 64m sixpanel demersel trawl used at Guinea fishing ground and explained in detail how to deal with netting arrangement, rigging techinque and especially with some local technological treatments were analysed. The advantages of the trawlnet have been proved through fishing comparisons with other types of the nets. It may help the fishing operation in the future.