Study on the Restoration of Limestone Quarries in the West - mountains in Mentougou of Beijing: PROJECT REPORT ABSTRACT

摘要

Mainly located in Mentougou of Beijing, the West - mountains are well - known because of its cultural and natural heritage such as Xiangshan Mountain and Miaofeng Mountain. The Yongdinghe River which is regarded as the mother river of Beijing, comes through the West - mountains and go through the plain of Beijing and Tianjin to the Bohai Sea. Although the original forest have been degraded to the current secondary shrub forest since the establishment of Beijing in Yuan Dynasty, the West - mountains are most important natural heritage with rich biodiversity and ecological service for Beijing. Along with the economic development and rapid urbanization of Beijing, quarrying becomes one of the main financial resources for the local communities while satisfying the big demands of urban construction. The quarry area increased from 43. 3hm2 in 1988 to 466. 7 hm~2 in 2006, which was mainly concentrated in the area among Miaofeng Mountain and Yongdinghe River.