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本文阐明了西南喀斯特山地土壤的流失方式,给出了土壤硅酸盐矿物的物质平衡框图。主要利用西南喀斯特山地区地质、土壤、岩溶、地球化学、植物化学、水文、植被、土壤侵蚀等多学科的前人研究成果,以茂兰喀斯特森林自然保护区为例,给出了无人类干扰的纯碳酸盐岩山地的土壤硅酸盐矿物物质平衡;在此基础上分析了岩石组成和人类活动对土壤硅酸盐矿物物质平衡的影响,并进行了粗略计算。
This paper clarifies the way of soil loss in the karst mountainous areas of Southwest China and gives a material balance diagram of silicate minerals in the soil. Based on the multi-disciplinary predecessor’s research results of geology, soil, karst, geochemistry, phytochemistry, hydrology, vegetation and soil erosion in Southwest Karst region, taking the Maolan Karst Natural Reserve as an example, Of pure carbonate rocks in the soil of silicate minerals balance; Based on the analysis of rock composition and human activities on the soil silicate minerals balance, and carried out a rough calculation.