秦岭东段栓皮栎枝条非结构性碳水化合物含量的季节动态

章异平,海旭莹,徐军亮,吴文霞,曹鹏鹤,安文静

Seasonal dynamics of non-structural carbohydrate content in branch of Quercus variabilis growing in east Qinling Mountain range

ZHANG Yi-Ping,HAI Xu-Ying,XU Jun-Liang,WU Wen-Xia,CAO Peng-He,AN Wen-Jing

表3 秦岭东段不同海拔环境因子与栓皮栎枝条非结构性碳水化合物(NSC)含量相关性分析

Table 3 Pearson correlation between measured environmental variables and branch NSC contents of Quercus variabilis at upper and lower altitudes in east Qinling Mountain

样地 Plot 成分 Compound 空气温度 Ta (℃) 土壤温度 Ts (℃) 相对湿度 RH (%) 土壤体积含水量 SWC (%) 降水量 P (mm) 饱和水汽压差 VPD (kPa) 高海拔 Upper altitude SS -0.578 -0.589 -0.164 0.717* -0.190 -0.278 S -0.190 0.008 0.121 -0.537 0.049 -0.185 NSC -0.590 -0.472 -0.055 0.235 -0.123 -0.349 SS/S -0.178 -0.194 0.121 0.644* -0.261 -0.297 低海拔 Lower altitude SS -0.591 -0.453 0.378 0.315 -0.051 -0.552 S -0.343 -0.250 0.722* 0.302 -0.470 -0.788** NSC -0.564 -0.423 0.703* 0.382 -0.349 -0.845** SS/S 0.296 0.174 -0.546 -0.246 0.821** 0.702**