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
图4 裸沙和藻结皮POC和MAOC与环境因子的相关关系
注:热图为各环境因子之间的相关关系,颜色变化代表相关系数大小。连线表明POC或MAOC与各环境因子的相关性,颜色代表显著性(绿色:P<0.01,橙色:0.01<P<0.05,灰色:P>0.05),虚线表示二者呈负相关,实线则为正相关
Fig.4 Correlation between environmental factors and POC and MAOC in bare sand and cyanobacterial crust