river ecosystem

Measuring the economic value of restoring ecosystem services in Zhangye city of Heihe river basin& Comparison and application of continuous and discrete contingent valuation survey

黑河流域张掖市生态系统服务恢复价值评估研究&连续型和离散型条件价值评估方法的比较应用

A Study on the Ecosystem of Xiu River Valley

江西修河流域生态系统研究

The concept and evaluation method of river ecosystem health were discussed.

探讨了河流生态系统健康的概念和评价方法.

Evaluation of Hydropower Development on River Ecosystem Services

水电开发对河流生态系统服务功能影响的价值评估方法与案例研究

Taking three rivers in Shenzhen City as cases, the theory and assessment method of river ecosystem health were studied.

以深圳市的3条河流为实例，对河流生态系统健康理论和评价方法进行了研究。

River Ecosystem Management in Hydropower Development

水电开发下的河流生态系统管理

River ecosystem service function and dam-construction

河流生态系统服务功能及水坝对其影响

Restoration Ecology of the River Ecosystem System

有关河流生态系统的恢复生态学研究综述

Additionally, the bill calls for ecosystem restoration measures in the upper Mississippi River basin.

另外, 法案提议在密西西比河上游盆地采取生态恢复措施.

The main important protected species of water ecosystem of the Yellow River should be valuable economic fishes, such as saury and carp and the main protected ecological zones include the wetlands in reservoir area, estuary and channel and water area for sight and recreation.

黄河水生态系统中的主要保护物种应是珍贵经济鱼类北方铜鱼、河口洄游鱼类刀鱼、鲤鱼等，主要保护的生态区包括库区湿地、河口湿地、河道湿地以及景观娱乐水域等。

Third, river ecosystem is destructed seriously.

三是河流生态系统破坏严重。