关键词: 金属矿山, 非金属矿山, 土地退化因素, 调查进展, 西部地区

Abstract:

Since the starting of the State Major Basic Sci-tech Research Program in 2014, in line with the technical program and the classification system developed for the investigation, eleven representative mining areas in Inner Mongolia, Shaanxi and Gansu have been investigated, and comparative analysis done of the metal and non-metal mining areas for differences in soil heavy metal pollution, land destruction and land use alteration. Results show that the metal mining areas are generally higher than the non-metal mining areas in soil heavy metal pollution, and mine excavation methods are an important factor of land destruction. Open-cast mining or open-cast/underground mining, on the whole, damages more land than underground mining does. 

Key words: metal mine, non-metal mine, driving factor of land degradation, investigation advance, West China