Soil organic carbon reserve is an important parameter for the study of carbon cycle and global change.Using the measured data of the multi-purpose regional geochemical survey,we estimated the SOC densities and reserve...Soil organic carbon reserve is an important parameter for the study of carbon cycle and global change.Using the measured data of the multi-purpose regional geochemical survey,we estimated the SOC densities and reserves of various land types in Jilin mid-west area.We found that chermozem’s organic carbon reserve is the highest,and dark brown soil’s and black soil’s are also quite high.Then,we carried a comparison research with the date of the second soil general survey.The result shows that the organic carbon densities of many soil types has increased,and among them chestnut soil,dark brown soil and brown soil are the most significant.展开更多
文摘Soil organic carbon reserve is an important parameter for the study of carbon cycle and global change.Using the measured data of the multi-purpose regional geochemical survey,we estimated the SOC densities and reserves of various land types in Jilin mid-west area.We found that chermozem’s organic carbon reserve is the highest,and dark brown soil’s and black soil’s are also quite high.Then,we carried a comparison research with the date of the second soil general survey.The result shows that the organic carbon densities of many soil types has increased,and among them chestnut soil,dark brown soil and brown soil are the most significant.
