模拟降雨格局变化对亚热带地区两树种液流特征的影响

张振振,杨轲嘉,顾宇璐,赵平,欧阳磊

Effects of simulated changes in precipitation pattern on sap flux in two tree species in subtropical region

ZHANG Zhen-Zhen,YANG Ke-Jia,GU Yu-Lu,ZHAO Ping,OUYANG Lei

表1 截留降雨处理和对照组不同树种在鹤山实验站各区组中的个体数量、胸径及树高(平均值±标准偏差)

Table 1 The number of trees and tree diameter at breast height (DBH), tree height for different species in the drier dry season and wetter wet season (DD) and control (AC) treatments (mean ± SD) in each block in Heshan experimental station

DD AC 物种 Species I II III IV I II III IV 数量 N SS 3 1 3 0 3 1 2 3 MM 0 3 3 6 3 5 4 3 胸径 DBH (cm) SS 14.02 ± 0.93 (0.13) 12.93 ± 1.17 (0.15) MM 19.02 ± 1.43 (0.09) 17.53 ± 1.35 (0.11) 树高 H (m) SS 7.02 ± 0.48 (0.11) 7.04 ± 0.5 (0.10) MM 13.59 ± 0.51 (0.12) 9.43 ± 0.64 (0.13) 边材厚度 Sapwood depth (cm) SS 5.5-6.3 MM 3.5-4.2 边材密度 Sapwood density (g·cm-3) SS 0.61 ± 0.03 (0.05) MM 0.53 ± 0.03 (0.06)