arid erosion
2.Based on the analysis of Yanqing county, this paper introduced the present situation in mountainous and arid area in the suburb of Beijing, it showed that the sustainable development in this region was mainly affected by factors such as soil sanding, soil and water erosion, unreasonable production structure, lower production and processing level, it also referred that devoting major efforts to the green planting arid animal husbandry by establishing green and safe trademark and constructing the base of production was the sustainable development direction in this region.
4.and the distribution of the poverty-stricken population shows obvious geographical characteristics, i.e. most poverty-stricken people live in central and western China, in the barren rocky mountain area of southwest China, the arid Loess Plateau in northwest China and the impoverished Qinling and Daba mountain areas (which suffer from rugged terrain, a shortage of arable land, poor transportation conditions and serious soil erosion), and the frigid Qinghai-Tibet Plateau.
