荒漠绿洲过渡带梭梭( Haloxylon ammodendron )林建植对表层土壤碳氮磷化学计量特征及储量的长期影响
王子婷, 刘继亮, 罗永忠, 马全林, 周晓甘, 罗昕, 宗文贞

Long-term effects of Haloxylon ammodendron plantations on topsoil carbonnitrogenphosphorus stoichiometry and stocks in the desert-oasis ecotone
Ziting Wang, Jiliang Liu, Yongzhong Luo, Quanlin Ma, Xiaogan Zhou, Xin Luo, Wenzhen Zong
表1 pRDA分析确定生物和非生物因子对表层土壤碳氮磷比值和储量变化的相对贡献率
Table 1 pRDA to quantify the relative contributions of the relative influence of biotic and abiotic factors on alterations in the ratios and stocks of topsoil organic carbontotal nitrogen and total phosphorus
变量特征值(校准)解释量贡献率FP
表层碳氮磷比值
SC0.54154.0579.6191.20.001
HC0.0676.689.8513.20.002
MA0.0353.535.27.70.002
ME0.0030.290.420.70.443
SCC0.0161.622.393.70.044
pH0.0111.151.692.60.089
SSC0.0060.570.841.40.235
表层碳氮磷储量
SC0.15115.0821.3327.20.001
HC0.0141.442.043.70.029
MA0.0323.174.487.50.004
ME0.0020.190.270.40.682
SCC0.42742.7560.4656.10.001
pH0.0636.348.9713.50.001
SSC0.0171.732.454.30.019