长江源区布曲流域土壤有机碳分布特征及其影响因素
张超飞, 马素萍, 何晓波, 汪少勇

Distribution characteristics and influencing factors of soil organic carbon in Buqu catchment in the source region of the Yangtze River, China
Chaofei ZHANG, Suping MA, Xiaobo HE, Shaoyong WANG
表4 土壤有机碳含量与其理化性质的关系(皮尔逊相关系数)
Table 4 Soil organic carbon content vs soil physical and chemical properties (Pearson correlation coefficient)
指标pH全氮碳氮比全磷全钾无机碳阳离子交换量容重体积含水量黏粒有机碳
pH1.000
全氮-0.1841.000
碳氮比-0.558**-0.1611.000
全磷-0.1720.153-0.2341.000
全钾-0.332-0.0130.1940.0051.000
无机碳0.577*-0.3860.015-0.343-0.2591.000
阳离子交换量-0.2620.428*0.0110.0730.249-0.4891.000
容重0.030-0.539**0.468*-0.3440.0440.642*-0.1361.000
体积含水量-0.563**0.423*0.1970.0950.022-0.4580.398-0.2871.000
黏粒-0.454*0.352-0.1330.430*-0.034-0.607*0.340-0.685**0.461*1.000
有机碳-0.663**0.3830.841**-0.1030.216-0.5170.2730.1430.439*0.0831.000