金沙国际唯一指定官网

Saving small fry

作者:苌钵獬    发布时间:2019-03-08 08:17:17    

By Barry Fox The laws of many countries oblige fishermen to throw back undersized fish, but the fish are often so badly injured by the mesh of fishing nets that they die anyway. To prevent this, Nordurnet of Iceland proposes making a trawler net shaped like two ice-cream cones joined at their narrow ends (WO 98/25452). Big fish are caught in the mesh as the leading cone narrows,

 

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