Wetlands, according to the International Convention on Wetlands in the definition, refers to natural or artificial, permanent or temporary wetlands for a long time, the wetlands of the original, peatland or water zone (shallow lakes, rivers, flooding areas, etc.), including static or flow of fresh water, and a half Salt water or salt water, as well as marine and low tide when the water depth of no more than the shallow waters 6m Lalu wetland is an important part of environmental protection in Tibet as the "lung of Lhasa City," "City of Lhasa kidney," Lalu wetland located in the north-west of Lhasa City, Tibet was a noble Lalu's home territory, is a lush aquatic plants , The largest area of the city's highest natural wetland, the existing area of 6. Square kilometers. Lalu wetland of the city of Lhasa this lack of oxygen, dry plateau city has a pivotal role not only in the urban area of Lhasa play a regulating climate, increased air humidity and increase the role of oxygen in the air, is more than 20 million members of the public health Lhasa The protection of God; plateau is also a variety of unique animals and plants Interest rates, the more it is worth noting that it is the urban Lhasa surface water and groundwater circulation between the key link.
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