论文部分内容阅读
元谋县有可开发利用的荒山荒坡面积50813hm2。海拔1350m以下的燥热区面积79700hm2,热区林地面积245hm2,森林覆盖率仅031%,到处荒山秃岭,破山烂箐,3333hm2“土林”均在热区。水土流失带来的直接恶果,除干旱等自然灾害频繁外...
Yuanmou County has the potential to exploit the barren hillside area 50813hm2. The area of hot zone below 1350m is 79700hm2, the area of hot woodland is 245hm2, and the forest coverage is only 0.31%. The direct result of soil erosion, in addition to frequent natural disasters such as drought ...