ecosystem of wetlands 湿地生态系统
This paper reviews various mechanisms and main effect factors of nitrogen removal in constructed wetlands ecosystem.
综述了人工湿地生态系统除氮的各种机理和影响系统除氮效率的主要影响因素。
In addition, Measures on reasonable utilization and conservation are put forward on the basis of degradation mechanism and problem of wetlands ecosystem in Sanjiangyuan region.
此外针对三江源区湿地生态系统退化机制和存在的主要问题，提出了合理利用与保护对策。
So, study the physical and chemical properties of degraded wetland soils help to investigate the cause of wetland degraded and provide theoretical basis for wetlands ecosystem protecting.
因此研究退化湿地土壤的理化性质，不仅有助于我们了解毛乌素沙区湿地退化的原因，还为进一步保护湿地生态系统提供了理论依据。
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