黄河河曲段鱼类资源调查与增殖保护研究

Investigation on Fish Resources in Hequ Reach of the Yellow River and Research on their Breeding Protection

通过对黄河河曲段和境内水库塘坝等水域的鱼类资源调查,基本了解了黄河干流河曲段的渔业自然资源量呈下降趋势,黄河鲤鱼濒危的现状。分析了黄河河曲段渔业资源衰减的原因,提出了渔业资源增殖保护的措施。

Through the investigation on fish resources in Hequ reach of the Yellow River and in reservoirs, ponds ＆ fish farms in the region of the Hequ county, the present situation is basically known that the matural fishery resources in Hequ reach of the Yellow River have been assumed a descent tendency and carp resources in the Yellow River are endangered.The causes of attenuation of fishery resources in Hequ reach are analyzed, and the breeding protection measures about these resources are put forward.