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2 秦岭东段栓皮栎林样地基本情况

Table 2 Physical (altitude, slope and aspect) and forest (canopy closure, average tree age, average tree height and average DBH) measures of sample plots in Quercus variabilis forest in the east Qinling Mountain range

样地 Plot 海拔 Altitude (m) 坡度 Slope (°) 坡向 Aspect 林分郁闭度 Canopy density 平均树龄 Average tree age (a) 平均树高 Average tree height (m) 平均胸径 Average diameter at breast height (cm) 低海拔 Lower altitude 650 25 阳坡 South-facing slope 0.9 26 16 16 高海拔 Upper altitude 970 28 阳坡 South-facing slope 0.8 30 15 16