黑河中游湿地土壤有机碳分布特征及其影响因素

赵锐锋, 张丽华, 赵海莉, 姜朋辉, 汪建珍

Distribution of Soil Organic Carbon of Wetlands in the Middle Reaches of the Heihe River and Its Influencing Factors

Rui-feng ZHAO, Li-hua ZHANG, Hai-li ZHAO, Peng-hui JIANG, Jian-zhen WANG

表2 不同土层深度土壤有机碳与土壤含水量的关系

Table 2 Relationship between soil organic carbon and soil water content at different soil depths

土层(cm) 回归方程 相关系数R2 显著性水平p 0~10 y=0.387x +4.123 0.483 <0.01 10~20 y=0.310x+3.747 0.567 <0.01 20~40 y=0.122x+4.427 0.311 <0.05