摘要
在入湖河流的沙柳河中围捕青海湖裸鲤亲鱼需用网具长为15 m,网目为44 mm,由绵纶或纶制成的地拉网。在裸鲤最佳产卵季节(5~8月份),进行围捕。网滩应选择在水流较为平缓,河底较为平坦且鱼群较为集中的河段下网,采用垂直岸坡的围捕方法,效果显著。一般需用6人左右能完成作业。
The stalking of Gymnocypris przewalskii need use 15mm long nets (mesh size 44mm) in Shaliu river, it is a kind of beach seine that is made with nylon. Gymnocypris przewalskii should be seized in optimum spawning season ( May to August). Fishing grounds should be selected carefully, where has slow flow, flat river bottom and centralized fishes, it was showed that fishing method in the vertical directions of bank slope had a remarkable effect, and accomplishment of the task need six peoples in a general way.
关键词
裸鲤
捕捞
网具
Gymnocypris przewalskii
fishing
net