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一、林区概况镇沅县位于云南省南部,隶属于思茅地区。境内属横断山南延。哀牢山、无量山纵贯全境。地貌分区属滇西南横断山南段中山宽谷区。境内分“五谷五岭”,河流分属澜沧江和红河两大水系。最高海拔哀牢山主峰3166M,最低海拔澜沧江河谷774M,相对高差达2390M。地势险峻,山高谷深,由于气候的垂直分带而形成不同的土壤和植被类型。
First, the overview of forest Zhenyuan County is located in southern Yunnan Province, under the Simao region. The territory is a cross-Shannan extension. Ailao Mountain, Wuliangshan runs through the whole territory. Geomorphological sub-area is southwestern Yunnan Hengduan Zhongshan Kanto area. The territory of “five grain Wuling”, the river belongs to the Lancang and Honghe two major river systems. The highest elevation of the Ailao Mountain peak 3166M, the lowest elevation Lancang Valley 774M, the relative elevation of 2390M. Rough terrain, deep valleys and mountains, due to the vertical division of the climate and the formation of different types of soil and vegetation.