中国植物细根碳、氮、磷化学计量学的空间变化及其影响因子

马玉珠, 钟全林, 靳冰洁, 卢宏典, 郭炳桥, 郑媛, 李曼, 程栋梁

Spatial changes and influencing factors of fine root carbon, nitrogen and phosphorus stoichiometry of plants in China

MA Yu-Zhu,ZHONG Quan-Lin,JIN Bing-Jie,LU Hong-Dian,GUO Bing-Qiao,ZHENG Yuan,LI Man,CHENG Dong-Liang

表5 细根氮(N)、磷(P)含量各影响因子偏相关系数表

Table 5 Table of partial correlation coefficients of factors influencing fine root nitrogen (N) and phosphorus (P) contents

年平均气温 MAT 年降水量 MAP 土壤N Soil N 土壤P Soil P n R2 p 细根N Fine root N -0.047 -0.106 0.283 80 0.154 0.005 细根P Fine root P -0.336 0.228 0.419 65 0.250 0.001 细根N Fine root N -0.226 0.062 146 0.109 <0.001 细根P Fine root P -0.008 -0.147 123 0.077 0.008