四川邛海鱼类多样性危机及对策

The Crisis of Fish Diversification in Qionghai Lake Sichuan Province and Its Countermeasures

通过对1950—2000年邛海鱼类种类的变化和产量变化,分析了邛海鱼类多样性危机的起因,提出发展邛海渔业经济的同时保护邛海鱼类多样性的对策．

Among the 20 native fishes found in Qionghai Lake, three kinds of them are endemic species. Since 1965, however, the introduction of the other 20 exotic fishes has caused the reduction in native ones, and the crisis of fish diversification arose. In the article, the writer surveys the dynamics of fish population as well as the fish output in the lake from 1950 to 2000, and analyzes the cause of the fish diversification crisis. Finally, the writer also sets some measures to protect the fish diversification while developing the fishing industry.