阿里荒漠区土壤有机碳分布特征及其与土壤物理性质的关系
史尧方, 薛娴, 尤全刚, 彭飞, 黄翠华

Distribution characteristics of soil organic carbon and its relationship with soil physical properties in Ali Desert Area, Tibetan Plateau
Yaofang Shi, Xian Xue, Quangang You, Fei Peng, Cuihua Huang
表2 阿里荒漠区不同土层土壤有机碳(SOC)及其密度(SOCD)描述性统计
Table 2 Descriptive statistics of SOC and SOCD at different soil depths in Ali Desert Area
指标土层深度/cm最小值最大值平均数标准差变异系数偏度峰度
SOC/(g?kg-1)0~200.2613.155.283.270.620.851.01
20~400.3610.843.841.990.520.710.40
40~600.199.553.541.920.540.26-0.36
60~800.407.553.231.650.510.23-0.28
80~1000.256.512.821.380.490.91-0.07
SOCD/(kg?m-2)0~200.163.901.420.910.640.620.06
20~400.102.561.020.530.520.57-0.03
40~600.002.440.960.530.550.34-0.35
60~800.011.800.840.390.460.16-0.70
80~1000.011.680.670.260.390.500.30