中国西北荒漠区藻结皮覆盖下土壤有机碳垂直分布特征及其影响因素
杜蕃, 杨军刚, 郭星, 陆永兴, 陶冶, 尹本丰, 荣晓莹, 李永刚, 张元明, 周晓兵

Vertical distribution characteristics and influencing factors of soil organic carbon under cyanobacterial crusts in the Northwest desert region of China
Fan Du, Jungang Yang, Xing Guo, Yongxing Lu, Ye Tao, Benfeng Yin, Xiaoying Rong, Yonggang Li, Yuanming Zhang, Xiaobing Zhou
表3 覆盖类型和土层深度对SOC组分以及土壤理化性质影响的双因素方差分析( F 值)
Table 3 Two-way ANOVA of the effects of cover type and soil depth on soil organic carbon fractions and soil physicochemical characteristicsF-Values
指标

有机碳

SOC

颗粒态有机碳

POC

矿物结合态有机碳

MAOC

酸碱度

pH

电导率

EC

全氮

TN

硝态氮

NO3--N

铵态氮

NH4+-N

全磷

TP

速效磷

AP

含水量

SWC

覆盖类型16.41***7.94**26.02***3.632.526.93*0.121.880.480.271.00
土层深度6.56***2.2511.99***15.13***0.312.280.123.46*1.160.594.33**
覆盖类型×土层深度0.380.170.580.660.080.070.200.160.020.083.21*