红外热成像监测云南松切梢小蠹虫害: 针叶尺度 观测
|
王景旭,黄华国,林起楠,王冰,黄侃
|
Shoot beetle damage to Pinus yunnanensis monitored by infrared thermal imaging at needle scale
|
WANG Jing-Xu,HUANG Hua-Guo,LIN Qi-Nan,WANG Bing,HUANG Kan
|
|
表1 各样地林分结构参数统计(n = 34)
|
Table 1 Statistics for the forest structural parameters of plots (n = 34)
|
|
参数 Parameter | 平均值 Mean | 标准偏差 SD | 最大值 Max | 最小值 Min | 变化范围 Range | HP | DP | HP | DP | HP | DP | HP | DP | HP | DP | 冠幅 Crown diameter (m) | 2.5 | 2.3 | 0.27 | 0.22 | 5.5 | 5.3 | 0.5 | 0.5 | 5.0 | 4.8 | 树高 Stand average height (m) | 4.68 | 5.07 | 1.5 | 1.0 | 11 | 12 | 1 | 1 | 10 | 11 | 林冠郁闭度 Canopy closure (%) | 28 | 32 | 8.9 | 6.8 | 42 | 44 | 15 | 20 | 27 | 24 | 立木度 Stem density (hm-2) | 990 | 1 342 | 404 | 556 | 2 022 | 2 644 | 500 | 556 | 1 522 | 2 088 | 叶面积指数 Leaf area index (m2·m-2) | 0.78 | 0.83 | 0.37 | 0.29 | 1.86 | 1.61 | 0.43 | 0.37 | 1.43 | 1.24 |
|
|
|