The results showed that SOCD and SOCS in this region were .8 kg/m~ and 7.77×0~ g,SOCD increased with the height decrease果表明,区域内SOCD和SOCS平均值分别为.8kg/m和7.77×0g,SOCD随丘体高度的降低向四周逐渐增大,SOCS主要分布于旱地、水田等土地利用类型中。