竞争和气候对新疆阿尔泰山西伯利亚五针松树木径向生长的影响

康剑, 梁寒雪, 蒋少伟, 朱火星, 周鹏, 黄建国

Effects of competition and climate on tree radial growth of Pinus sibirica in Altai Mountains, Xinjiang, China

KANG Jian, LIANG Han-Xue, JIANG Shao-Wei, ZHU Huo-Xing, ZHOU Peng, HUANG Jian-Guo

表3 新疆阿尔泰山西伯利亚五针松竞争指数与累积断面积生长量的线性混合效应模型结果

Table 3 Results of the linear mixed-effects models of competitive indices and cumulated basal area increments of Pinus sibirica in Altai Mountains, Xinjiang

时间间隔 Time interval (a) 竞争指数 Competition indices a b 临界R2 Marginal R2 条件R2 Conditional R2 5 N 0.098 3 0.000 0 0.09 0.59 SDBH 0.082 9 -0.000 1 0.12 0.6 SBA 0.072 0 -0.000 4 0.08 0.52 10 N 0.204 5 -0.000 1 0.12 0.57 SDBH 0.169 1 -0.000 3 0.16 0.59 SBA 0.145 0 -0.000 9 0.11 0.49 15 N 0.328 1 -0.000 1 0.15 0.58 SDBH 0.265 7 -0.000 5 0.20 0.60 SBA 0.226 7 -0.001 4 0.14 0.49 20 N 0.409 0 -0.000 2 0.13 0.52 SDBH 0.338 6 -0.000 6 0.18 0.55 SBA 0.290 6 -0.001 9 0.13 0.46 25 N 0.486 2 -0.000 2 0.13 0.51 SDBH 0.404 9 -0.000 7 0.18 0.54 SBA 0.349 4 -0.002 2 0.14 0.45 30 N 0.578 1 -0.000 2 0.15 0.47 SDBH 0.484 7 -0.000 9 0.22 0.62 SBA 0.416 5 -0.002 8 0.17 0.41