Scientia Silvae Sinicae ›› 2022, Vol. 58 ›› Issue (4): 141-151.doi: 10.11707/j.1001-7488.20220415
• Research papers • Previous Articles Next Articles
Bingxiang Tan1,Mingtan Shen1,Guangfa Qie2,*,Zhao Qi1,Chenrui He1
Received:
2021-11-21
Online:
2022-04-25
Published:
2022-07-20
Contact:
Guangfa Qie
CLC Number:
Bingxiang Tan,Mingtan Shen,Guangfa Qie,Zhao Qi,Chenrui He. Temporal and Spatial Changes Monitoring of Vegetation Coverage for the Ecological Core Area of Chongli Winter Olympic Games[J]. Scientia Silvae Sinicae, 2022, 58(4): 141-151.
Table 1
Classification of FVC grades"
等级 Grade | 名称 Name | 植被覆盖度取值范围 Range of FVC | 描述 Description |
Ⅰ | 低植被覆盖度 Lower FVC | FVC≤0.3 | 裸地、建筑用地、道路和水体等 Bareland, building, road, and water et al. |
Ⅱ | 中低植被覆盖度 Low FVC | 0.3<FVC≤0.6 | 草地、疏灌丛和疏林地等 Grassland, shrub, and open forest et al. |
Ⅲ | 中植被覆盖度 Middle FVC | 0.6<FVC≤0.75 | 耕地植被、灌木地和疏林地等 Cropland, shrub, and open forest et al. |
Ⅳ | 中高植被覆盖度 Hight FVC | 0.75<FVC≤0.9 | 灌木林地和林地等 Shrub and forest et al. |
Ⅴ | 高植被覆盖度 Highter FVC | FVC≥0.9 | 郁闭度高的乔木林和茂密的灌木林地等 Dense forest of and thick shrub et al. |
Table 2
Area statistics of FVC of different grades in the study area"
覆盖度等级 FVC classes | 2014 | 2016 | 2020 | |||||
面积 Area/km2 | 占比 Proportion(%) | 面积 Area/km2 | 占比 Proportion(%) | 面积 Area/km2 | 占比 Proportion(%) | |||
Ⅰ | 4.47 | 5.54 | 3.54 | 4.39 | 6.52 | 8.07 | ||
Ⅱ | 10.39 | 12.87 | 4.52 | 5.61 | 4.07 | 5.05 | ||
Ⅲ | 12.23 | 15.15 | 11.01 | 13.65 | 8.60 | 10.65 | ||
Ⅳ | 21.68 | 26.86 | 32.06 | 39.72 | 38.13 | 47.25 | ||
Ⅴ | 31.94 | 39.58 | 29.56 | 36.63 | 23.38 | 28.98 | ||
合计Total | 80.71 | 100.00 | 80.71 | 100.00 | 80.71 | 100.00 |
Table 3
Statistical of area change of different FVC grades in the study area"
覆盖度等级 FVC classes | 变化量Change amount/km2 | 动态度Dynamic degree(%) | |||||
2014—2016 | 2016—2020 | 2014—2020 | 2014—2016 | 2016—2020 | 2014—2020 | ||
Ⅰ | -0.93 | 2.98 | 2.05 | -10.40 | 21.01 | 7.63 | |
Ⅱ | -5.87 | -0.45 | -6.31 | -28.23 | -2.48 | -10.13 | |
Ⅲ | -1.21 | -2.42 | -3.63 | -4.96 | -5.49 | -4.95 | |
Ⅳ | 10.38 | 6.07 | 16.45 | 23.95 | 4.74 | 12.65 | |
V | -2.37 | -6.18 | -8.55 | -3.71 | -5.23 | -4.46 |
Table 4
Area statistics of FVC change in the study area"
变化等级 Grade of change | 2014—2016 | 2016—2020 | 2014—2020 | |||||
面积 Area/km2 | 占比 Proportion(%) | 面积 Area/km2 | 占比 Proportion(%) | 面积 Area/km2 | 占比 Proportion(%) | |||
明显退化Severely degraded | 2.70 | 3.34 | 5.68 | 7.04 | 6.48 | 8.02 | ||
轻微退化Slightly degraded | 7.30 | 9.04 | 8.54 | 10.58 | 12.17 | 15.08 | ||
无明显变化Unchanged | 50.40 | 62.46 | 56.65 | 70.20 | 41.30 | 51.18 | ||
轻微改善Slightly improved | 14.58 | 18.07 | 7.50 | 9.29 | 13.44 | 16.66 | ||
明显改善Significantly improved | 5.72 | 7.08 | 2.34 | 2.89 | 7.31 | 9.06 | ||
合计Total | 80.71 | 100.00 | 80.71 | 100.00 | 80.71 | 100.00 |
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