In the soil EOOC, WSOC and MBOC interacted and had strong relativities.Under the same land use, the trends of the varieties of these three AOC were almost the same.

• 土壤易氧化态、水溶性和微生物量有机碳之间有较强的相关性，其变化趋势在同一土地利用方式下近于一致。