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一、凉山的自然环境凉山彝族自治州地处青藏高原和云贵高原过渡地带,介于东经100°15’—103°53’,北纬26°03’—29°27’之间,北近大渡河,南临金沙江,西跨横断山脉,东抵四川盆地,总面积约64000平方公里.地势西北高,东南低.山脉河流走向,大多由北而南.地形以雅砻江为界,西部为高原区,东部为山地区,西有大雪山脉,东有大凉山脉,两相对峙.地貌以山地为主,占总面积70%以上,山原次之,丘陵、平坝、盆地仅占5—6%.水系主要是金沙江水系,支流有雅砻江、安宁河、尘河等十多条.大渡河在凉山的主要支流有南垭河、牛日河等.
I. The Natural Environment of Liangshan The Liangshan Yi Autonomous Prefecture is located in the transitional zone between the Qinghai-Tibet Plateau and the Yunnan-Guizhou Plateau, between 100 ° 15’-103 ° 53’E and 26 ° 03’-29 ° 27’N, north of Dadu River, South of the Jinsha River, west across the Hengduan Mountains, east Sichuan Basin, a total area of about 64000 square kilometers. High terrain northwest, southeast low. Mountain rivers, mostly from north to south. Topography of the Yarlunguan River to the West as the plateau District, the eastern part of the mountainous area, the snow mountains in the west, the great Liangshan Mountains in the east, the two opposites.Mountains dominated the landform, accounting for more than 70% of the total area, the mountains of the second, hills, Pingba basin accounted for only 5-6 The main water system is the Jinsha River, tributaries Yalong River, Anning River, Dust River more than 10. Dadu River in Liangshan main tributaries of Nanyaba River, Niu Ri River.