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- For the goal of remedying the river ecosystem,engineering measures for integrated pollution control are also discussed. 指出城市河道水环境综合整治要体现人与自然和谐相处的治河新概念,并为深圳市河流水环境的治理提供参考。
- Based on the theory of hydrology and ecology, the concept of river ecosystem health was defined and the influence factors were analyzed. 摘要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。
- The result showed that the pollution of the waterbody exerted agreat disadvantageous effect to the Haihe River ecosystem. 结果表明，水体污染已经对海河水生生态系统产生了明显的有害影响。
- The objective of Lijiang river ecosystem restoration is to undertake the water security of Guilin,and its emphasis is the preference and assessment of ecosystem value. 本文分析指出,漓江水生态系统保护与修复的目标是保证桂林的水安全,核心在于对其价值的偏好和评估;
- Recently,accompanied with the evolution of research on wash,more and more scientists have realized the importance of wash in the river ecosystem and marsh ecosystem. 对于河滩洼地研究的逐渐展开,已使人们认识到河滩洼地在整个河流生态系统和河滩湿地生境中的重要意义。
- The objective of Lijiang river ecosystem restoration is to undertake the water security of Guilin, and its emphasis is the preference and assessment of ecosystem value. 摘要本文分析指出，漓江水生态系统保护与修复的目标是保证桂林的水安全，核心在于对其价值的偏好和评估；
- On the basis of the effects features,an index system for the assessment of effects of the Three Gorges Project(TGP)on river ecosystem services has been established. 三峡工程是在长江上兴建的宏伟工程,它控制了长江上游的全部水量,改变了我国第一大河的水流情势。
- The changes of the characteristics of hydrology and water resources are the key factor that affects the river ecosystem and water resources development and utilization. 摘要水文水资源特性的变化是影响河流生态健康及水资源开发利用的关键性因素。
- The existence of wash has strongly influenced the river ecosystem,increased the heterogeneity of marsh landscape,and heightened the biodiversity of marsh. 河滩洼地的存在,增加了河滩湿地景观异质性,提高了河滩湿地生物多样性。
- The stress on river ecosystem in urban area is discussed that result from both rivers channelization and gardening. 讨论了渠道化和园林化对于城市河流生态系统的危害,指出当前盛行的城市河流园林化是新一轮河流的人工化改造。
- Practices have indicated that the negative effects of dams on river ecosystem can be avoided, alleviated or compensated to a certain extent by adopting structural, biotic and administrative measures. 河流的连续性，不仅包括水流的水文连续性，还包括营养物质输移的连续性、生物群落的连续性和信息流的连续性。
- The temporal scale includes short, middle, long and bally long scale, the longer is the time required to make river ecosystem get stabilization state, the larger is the selected temporal scale. 时间上，可分为短、中、长与极长4个尺度，修复对象达到稳定状态所需时间越长，所需选择的时间尺度越大，河流生态系统修复一般关注的是短、中与长3个时间尺度。
- A river ecosystem health evaluation index system and the evaluation method were established, and the river ecosystem health can be divided into three levels, i. e. superior, medium, and inferior. 同时，对河流生态系统健康的影响因子进行了分析，在此基础上，建立了河流生态系统健康评价指标体系及其评价方法，将评价结果分为优、中和差三个等级。
- For forest, grassland and river ecosystems, phreatophyte should be applied to, promoting the primary succession of the ecosystem. 对于森林、草地、江河等自然生态系统，植被选择应以原生种类为主，以促进生态系统进行原生演替；
- 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
- river ecosystem service function 河流生态系统服务功能
- The river had worn a ravine between the hills. 那条河在两山之间已造成一个深谷。
- Can we dredge the river to make it deeper? 我们能不能把这条河疏浚得深一点？
- Navigation is difficult on this river because of the hidden rocks. 因为河上有暗礁，所以在这条河上航行很困难。
- The police dredged up the parcel from the muddy river. 警方从浑浊的河水中捞出包裹。
