The results showed that under different re-habilitation practices the watershed ecosystem health had improved from 0.2125 to 0.5188, and were able to develop sustainably.

• 结果表明，该区系统健康状况相对稳定，在不同途径生态恢复措施实施过程中，流域健康指数呈逐年波动式上升趋势（由建设前的0.；2125增大的现在的0