探讨了河流生态系统健康的概念和评价方法。
The concept and evaluation method of river ecosystem health were discussed.
基于水文学和生态学原理，对河流生态系统健康的概念进行了界定。
Based on the theory of hydrology and ecology, the concept of river ecosystem health was defined and the influence factors were analyzed.
构建香溪河大型底栖动物完整性因子（B-IBI），并对香溪河河流生态系统健康进行评价；
Based on the benthic index of the biological integrity (B-IBI), the the Xiangxi River system health was evaluated.
提出了以城市河流生态系统健康为最终目标的多目标整体修复思想，界定了河流生态系统修复活动须遵循的原则。
The integrative multi-object restoration, aiming at ecosystem health of urban river was proposed, and the principles for ecosystem restoration of urban rivers were given.
河流健康的概念既强调了保护河流生态系统的重要性，也承认人们适度开发水资源的合理性。
The concept of healthy rivers lays emphasis on the importance of protection of river ecosystem and also accepts the rationality of appropriate development of water resources.
通过这两幅图片，我们可以看到，河流源头的生态系统要比河流流到图桑市的时候，要健康的多。
You can see by these two pictures that the riparian system around the river at the origin is lot healthier than the riparian system around the river in Tucson.
人类不合理的社会经济活动严重干扰了河流生态系统，河流健康问题引起广泛的重视。
Disturbance from irrational anthropogenic socioeconomic activity has influenced river ecosystem seriously and intensive attention has been paid on issues concerning river health.
人类不合理的社会经济活动严重干扰了河流生态系统，河流健康问题引起广泛的重视。
Disturbance from irrational anthropogenic socioeconomic activity has influenced river ecosystem seriously and intensive attention has been paid on issues concerning river health.
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