柠条（ Caragana korshinskii ）固沙林恢复过程中表层土壤有机碳累积特征及其驱动机制

许正强, 王兴东, 万仲武, 王瑞霞, 杨学龙

Accumulation characteristics and driving mechanisms of topsoil organic carbon during the restoration of Caragana korshinskii sand-fixing shrublands

Zhengqiang Xu, Xingdong Wang, Zhongwu Wan, Ruixia Wang, Xuelong Yang

图2 不同恢复年限凋落物蓄积量和土壤理化特征 注：不同小写字母表示不同年限之间差异显著（P < 0.05）

Fig.2 Litter accumulation and soil physicochemical properties under different restoration years