图3. 川西亚高山森林不同面积林窗和郁闭林下凋落枝持水能力(平均值±标准误差)。不同小写字母代表林窗间差异显著。FG1, 255-290 m²; FG2, 153-176 m²; FG3, 38-46 m²; CC, 郁闭林下。1W, 第1年冬季; 1GS, 第1年生长季节; 2W, 第2年冬季; 2GS, 第2年生长季节; 3W, 第3年冬季; 3GS, 第3年生长季节; 4W, 第4年冬季; 4GS, 第4年生长季节。

Fig. 3. Water holding capacity of twig litter associated with the forest gaps and the closed canopy in the subalpine forest of Western Sichuan (mean ± SE). Different lowercase letters indicate significant differences among the three forest gaps and the closed canopy. FG1, 255-290 m²; FG2, 153-176 m²; FG3, 38-46 m²; CC, closed canopy. 1W, the first winter; 1GS, the first growing season; 2W, the second winter; 2GS, the second growing season; 3W, the third winter; 3GS, the third growing season; 4W, the fourth winter; 4GS, the fourth growing season.