排露沟流域不同海拔灌丛土壤碳氮磷化学计量特征

牟文博, 徐当会, 王谢军, 敬文茂, 张瑞英, 顾玉玲, 姚广前, 祁世华, 张龙, 苟亚飞

Soil carbon, nitrogen, and phosphorus stoichiometry along an altitude gradient in shrublands in Pailugou watershed, China

MOU Wen-Bo, XU Dang-Hui, WANG Xie-Jun, JING Wen-Mao, ZHANG Rui-Ying, GU Yu-Ling, YAO Guang-Qian, QI Shi-Hua, ZHANG Long, GOU Ya-Fei

表2 海拔和土层对排露沟流域土壤有机碳(SOC)、全氮(TN)、全磷(TP)含量及化学计量特征的影响

Table 2 Effects of altitude and soil layer on the contents and stoichiometry of soil organic carbon (SOC), total nitrogen (TN), total phosphorus (TP) in Pailugou watershed

因素 Factor SOC TN TP SOC:TP TN:TP SOC:TN F p F p F p F p F p F p 土层 Soil layer 38.143 0.000 51.785 0.000 24.710 0.000 12.338 0.002 6.329 0.018 0.426 0.519 海拔 Altitude 24.538 0.000 21.395 0.000 48.513 0.000 113.000 0.000 52.962 0.000 11.022 0.000 土层×海拔 Soil layer × altitude 0.377 0.887 0.899 0.509 0.411 0.865 0.695 0.656 0.408 0.868 1.025 0.430