Journal of Natural Resources, Volume. 35, Issue 10, 2539(2020)
Occurrence types and impact analysis of active fires in the major countries of Southeast Asia during the 2015 strong El Nino
Figures & Tables(9)
Fig. 1. Maps showing the topography, land cover types and population density of Southeast Asia
Fig. 2. Monthly differences in the number of active fire events in the eight major Southeast Asia (SEA) countries
Fig. 3. Elevational characteristics of active fire frequency in the eight major Southeast Asia (SEA) countries
Fig. 4. Distribution characteristics of active fire frequency in different land cover types (Level-1) in the eight major Southeast Asia (SEA) countries
Fig. 5. Correlation analysis between the occurrence frequency of active fires and population density in the eight major Southeast Asia (SEA) countries
Table 1. Topography, land cover types, and population density of the eight major Southeast Asia (SEA) countries
View tableView in ArticleTable 1. Topography, land cover types, and population density of the eight major Southeast Asia (SEA) countries
国家 值/类型 老挝 缅甸 柬埔寨 泰国 越南 菲律宾 印度尼西亚 马来西亚 海拔/m 均值 671.10 590.17 123.56 283.85 395.9 330.68 346.08 281.18 坡度/(°) 最大值 78.75 89.15 72.26 86.27 89.36 89.52 89.54 89.43 均值 14.91 12.97 5.60 8.23 12.16 11.85 9.64 11.38 人口密度/
(人/km2)最小值 0.18 0.06 0.38 0.03 5.89 0.23 0.85 0.01 最大值 31118 39864 61774 22384 55175 126446 22277 11275 均值 30.88 74.77 91.84 137.03 286.83 346.27 138.1 93.23 土地覆被
类型/%农田 9.43 25.86 33.42 50.72 38.58 22.22 13.68 7.27 森林 80.88 64.29 55.93 41.64 49.41 67.49 78.09 86.10 草地 8.38 5.74 3.14 4.29 6.29 6.49 3.84 1.89 灌木 0.17 1.33 0 0 1.59 0.03 0 0 湿地 0.17 0.64 4.17 0.62 0.49 0.89 1.85 1.84 水体 0.85 1.20 2.66 1.67 1.66 1.53 1.34 0.91
Table 2. Topographical characteristics of active fire frequency in the eight major Southeast Asia (SEA) countries (%)
View tableView in ArticleTable 2. Topographical characteristics of active fire frequency in the eight major Southeast Asia (SEA) countries (%)
地形 东南亚 老挝 缅甸 泰国 越南 柬埔寨 菲律宾 印度尼西亚 马来西亚 平原 53.84 15.82 27.10 40.30 32.36 91.99 45.14 89.18 88.85 丘陵 19.79 29.33 24.35 27.76 27.30 6.57 29.38 5.26 8.34 低山 19.00 40.19 29.94 27.01 29.46 1.42 18.64 2.80 2.56 高山/高原 7.37 14.66 18.61 4.93 10.88 0.02 6.84 2.76 0.25
Table 3. Distribution characteristics of active fire frequency on different slopes in the eight major Southeast Asia (SEA) countries (%)
View tableView in ArticleTable 3. Distribution characteristics of active fire frequency on different slopes in the eight major Southeast Asia (SEA) countries (%)
坡度 东南亚 老挝 缅甸 泰国 越南 柬埔寨 菲律宾 印度尼西亚 马来西亚 平原 19.25 4.34 8.34 12.45 10.78 15.60 6.73 30.31 21.67 缓斜坡 26.61 15.58 17.79 27.26 16.87 42.35 16.77 29.29 29.84 斜坡 35.51 39.70 39.40 35.01 35.41 39.72 42.02 31.77 37.28 陡坡 12.33 26.74 21.71 17.09 23.43 2.05 22.35 6.05 8.87 急坡 4.92 11.19 10.04 6.75 10.61 0.26 9.26 1.80 1.88 急陡坡 1.35 2.44 2.70 1.43 2.86 0.02 2.85 0.73 0.44 垂直坡 0.03 0.02 0.02 0.01 0.04 0.00 0.02 0.05 0.02
Table 4. Distribution characteristics of active fire frequency of varied land cover types (Level-2) in the eight major Southeast Asia (SEA) countries (%)
View tableView in ArticleTable 4. Distribution characteristics of active fire frequency of varied land cover types (Level-2) in the eight major Southeast Asia (SEA) countries (%)
土地覆被类型 老挝 缅甸 泰国 越南 柬埔寨 菲律宾 印度尼西亚 马来西亚 其他农地 7.28 12.03 24.19 10.88 15.32 13.18 2.54 3.46 常绿阔叶林 66.15 41.04 33.87 50.03 48.77 53.92 69.24 57.83 落叶阔叶林 0.51 3.19 3.46 0.65 0.57 0.26 0.11 0 针阔混交林 2.15 3.66 1.05 3.17 0.86 1.45 0.54 0.32 混交林 5.45 9.83 3.07 4.96 1.77 1.12 0.22 0.17
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Wen-jun LI, Chi-wei XIAO, Zhi-ming FENG, Peng LI, Yue-ji QI. Occurrence types and impact analysis of active fires in the major countries of Southeast Asia during the 2015 strong El Nino[J]. Journal of Natural Resources, 2020, 35(10): 2539
Paper Information
Received: Jul. 4, 2019
Accepted: --
Published Online: Apr. 21, 2021
The Author Email: LI Peng (lip@igsnrr.ac.cn)
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