FOREST RESOURCES WANAGEMENT ›› 2019›› Issue (4): 92-100.doi: 10.13466/j.cnki.lyzygl.2019.04.014
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ZHANG Mi(), CHEN Cunyou, HU Xijun
Received:
2019-04-17
Revised:
2019-07-17
Online:
2019-08-28
Published:
2020-10-20
CLC Number:
ZHANG Mi, CHEN Cunyou, HU Xijun. GIS-Based Evaluation of Ecological Sensitivity of Yucang Mountain Scenic Spot in Cangnan County[J]. FOREST RESOURCES WANAGEMENT, 2019, (4): 92-100.
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URL: https://www.lyzygl.com.cn/EN/10.13466/j.cnki.lyzygl.2019.04.014
Tab.1
The evaluation standard of resource factors
评价因子 | 指标因子分级标准 | ||||
---|---|---|---|---|---|
不敏感(1) | 轻度敏感(3) | 中度敏感(5) | 高度敏感(7) | 极敏感(9) | |
高程(C1) | 海拔6~156m | 海拔156~332m | 海拔332~504m | 海拔504~700m | 海拔700~926m |
坡度(C2) | 0~15° | 15~25° | 25~30° | 30~45° | 45~90° |
坡向(C3) | 南 | 东南、西南 | 东、西 | 东北、西北 | 平面、北 |
河流(C4) | >100m | 50~100m | 30~50m | 15~30m | 0~15m |
湖泊(C5) | >800m | 200~800m | 100~200m | 50~100m | 0~50m |
植被类型(C6) | 建筑、无植被、岩石区 | 竹林、灌丛 | 针叶林 | 混交林 | 阔叶林 |
自然景源(C7) | >600m | 350 ~600m | 200~350m | 150~200m | 0~150m |
人文景源(C8) | >600m | 400~600m | 250~400m | 150~250m | 0~150m |
景源密度(C9) | 无 | 稀疏 | 较稀疏 | 较密集 | 密集 |
道路交通(C10) | >80m | 50~80m | 30~50m | 15~30m | 0~15m |
土地利用类型(C11) | 旅游设施用地、居民社会用地 | — | 林地 | — | 风景游赏用地 |
Tab.3
Weight table of ecological sensitivity assessment factors
因素 | C1 | C2 | C3 | C4 | C5 | C6 | C7 | C8 | C9 | C10 | C11 | 权重 | |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
C1 | 1 | 1/2 | 1/2 | 1/3 | 1/5 | 1/4 | 1/5 | 1/5 | 1/6 | 1/2 | 1/2 | 0.023 | |
C2 | 2 | 1 | 2 | 2 | 1/3 | 2 | 1/3 | 1/3 | 1/3 | 2 | 2 | 0.069 | |
C3 | 2 | 1/2 | 1 | 1/3 | 1/6 | 1/4 | 1/5 | 1/4 | 1/4 | 1/2 | 1/3 | 0.027 | |
C4 | 3 | 1/2 | 3 | 1 | 1/3 | 1/3 | 1/5 | 1/3 | 1/3 | 3 | 3 | 0.056 | |
C5 | 5 | 3 | 6 | 3 | 1 | 1/2 | 1/3 | 1/3 | 1/2 | 5 | 3 | 0.107 | |
C6 | 4 | 1/2 | 4 | 3 | 2 | 1 | 1/3 | 1/2 | 1/3 | 3 | 3 | 0.094 | |
C7 | 5 | 3 | 5 | 5 | 3 | 3 | 1 | 3 | 3 | 6 | 6 | 0.244 | |
C8 | 5 | 3 | 4 | 3 | 3 | 2 | 1/3 | 1 | 2 | 5 | 5 | 0.166 | |
C9 | 6 | 3 | 4 | 3 | 2 | 3 | 1/3 | 1/2 | 1 | 5 | 4 | 0.145 | |
C10 | 2 | 1/2 | 2 | 1/3 | 1/5 | 1/3 | 1/6 | 1/5 | 1/5 | 1 | 1/3 | 0.029 | |
C11 | 2 | 1/2 | 3 | 1/3 | 1/3 | 1/3 | 1/6 | 1/5 | 1/4 | 3 | 1 | 0.040 |
Tab.5
Single factor ecological sensitivity grading area
因子 | 不敏感区 | 轻度敏感区 | 中度敏感区 | 高敏感区 | 极敏感区 | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
面积/km2 | 比例/% | 面积/km2 | 比例/% | 面积/km2 | 比例/% | 面积/km2 | 比例/% | 面积/km2 | 比例/% | |||||
高程 | 9.23 | 20.42 | 10.31 | 22.79 | 9.25 | 20.46 | 9.99 | 22.10 | 6.44 | 14.24 | ||||
坡度 | 10.51 | 23.23 | 11.09 | 24.52 | 7.76 | 17.15 | 14.43 | 31.91 | 1.44 | 3.18 | ||||
坡向 | 9.25 | 20.45 | 11.28 | 24.93 | 7.16 | 15.82 | 8.43 | 18.65 | 9.11 | 20.15 | ||||
河流 | 41.34 | 91.41 | 1.94 | 4.29 | 0.78 | 1.73 | 0.58 | 1.29 | 0.58 | 1.29 | ||||
湖泊 | 27.98 | 61.85 | 10.15 | 22.44 | 2.31 | 5.11 | 1.13 | 2.50 | 3.66 | 8.10 | ||||
植被类型 | 3.49 | 7.72 | 5.49 | 12.13 | 33.54 | 74.16 | 1.70 | 3.76 | 1.01 | 2.23 | ||||
自然景源 | 23.57 | 52.12 | 8.15 | 18.01 | 5.94 | 13.13 | 2.31 | 5.11 | 5.26 | 11.63 | ||||
人文景源 | 30.77 | 68.02 | 6.40 | 14.15 | 4.13 | 9.13 | 2.21 | 4.88 | 1.73 | 3.82 | ||||
景源密度 | 37.09 | 82.01 | 4.13 | 9.12 | 1.98 | 4.37 | 1.39 | 3.08 | 0.65 | 1.43 | ||||
道路交通 | 30.54 | 67.52 | 6.47 | 14.31 | 3.02 | 6.68 | 2.50 | 5.52 | 2.70 | 5.96 | ||||
土地利用类型 | 0.80 | 1.76 | — | — | 20.59 | 45.52 | — | — | 23.85 | 52.72 |
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