Effect of Rotational and Continuous Grazing System on Vegetation in Stipa breviflora Desert Steppe
放牧制度对短花针茅草原植物群落的影响
Simultaneously, a rotation system is in place for lumbering bases so as to help restore vegetation.
同时，对采伐基地进行及时更新，恢复森林植被。
The Vegetation Classification System and the Plot Marks of Typical Communities in Neilingding Island, Guangdong Province
广东内伶仃岛植被分类系统和典型群落的样地标志
Priority should be given to the natural vegetation restoration through enclosure when establishing windbreak system here.
防风固沙林体系的建设应突出天然植被的封育管护。
The mountainbasin system is composed of two subsystems, altitudinal belt of montane vegetation and cycles of horizontal vegetative belt in basin.
山盆系统是由山地和盆地组合而成的一种典型地貌组合。
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