黄河小浪底水库建成后,北方铜鱼受水位上升、库内鳙鱼及银鱼养殖、旅游开发、工业污染等人为因素影响,生态环境发生了根本的变化,铜鱼资源量明显减少,达到了基本绝迹灭种的地步,为了保护铜鱼资源提出加强保护力度的建议。 After the completion of the Xiaolangdi Reservoir in the Yellow River, due to the influence of man-made factors such as rising of water level, cultivation of anchovy and broodstock in the reservoir, anthropogenic factors such as the northern copper fish, the ecological environment has undergone fundamental changes, and the resources of copperfish have obviously decreased, reaching the basic level Extinction at the point of extinction, in order to protect copper resources proposed to strengthen the protection efforts.