干热河谷植物化学计量特征与生物量之间的关系

闫帮国, 刘刚才, 樊博, 何光熊, 史亮涛, 李纪潮, 纪中华

Relationships between plant stoichiometry and biomass in an arid-hot valley, Southwest China

YAN Bang-Guo,LIU Gang-Cai,FAN Bo,HE Guang-Xiong,SHI Liang-Tao,LI Ji-Chao,JI Zhong-Hua

表3 植物元素含量响应指数(R)与植物生物量的响应指数(Rbiomass)的相关系数

Table 3 Coefficients of correlation between response index of plant element concentrations (R) and response index of plant biomass (Rbiomass)

Rbiomass 元素含量响应指数 Response index of element concentration RN RP RK RCa RMg RZn RMn 植物总体元素 Whole plant -0.057 -0.328 0.015 -0.535* -0.473* -0.557* -0.592** 植物叶片元素 Leaf -0.007 -0.067 0.072 -0.212 -0.216 -0.415 -0.504* 植物茎干元素 Stem -0.059 -0.180 0.004 -0.206 -0.221 -0.461 -0.357 植物根系元素 Root 0.009 -0.217 -0.137 -0.446 -0.236 -0.236 -0.391