Spectroscopy and Spectral Analysis, Volume. 42, Issue 4, 1192(2022)
Spatiotemporal Dynamics of Vegetation Coverage in Different Ecological Areas of the Qilian Mountains Based on Spectral Data
Figures & Tables(12)
Fig. 3. Annual variations trend of NDVI in the Qilian Mountains from 1998 to 2018
Fig. 7. Spatial distribution trends of NDVI in the Qilian Mountains from 1998 to 2018
Fig. 8. Spatial distribution variation coefficients of NDVI in Qilian Mountains from 1998 to 2018
Fig. 9. Spatial distribution future evolution trends of NDVI in the Qilian Mountains
Table 1. Area and proportion of different ecological zones in Qilian Mountains
View tableView in ArticleTable 1. Area and proportion of different ecological zones in Qilian Mountains
生态区
编号生态区名称 面积
/km2所占
比例/%1 帕米尔-昆仑山-阿尔金山高寒荒漠草原生态区 10.10 0.54 2 柴达木盆地荒漠生态区 530.70 28.18 3 祁连山森林与高寒草原生态区 1 256.42 66.71 4 内蒙古高原中部草原化荒漠生态区 17.35 0.92 5 江河源区-甘南高寒草甸草原生态区 33.39 1.77 6 内蒙古高原中部-陇中荒漠草原生态区 35.34 1.88 7 内蒙古高原西部-北山山地荒漠生态区 0.002 5 /
Table 2. Rates of NDVI variations in different regions in the Qilian Mountains
View tableView in ArticleTable 2. Rates of NDVI variations in different regions in the Qilian Mountains
区域 变化率/(%·a-1) 区域 变化率/(%·a-1) 1 0.27 5 0.57 2 0.14 6 0.38 3 0.37 7 / 4 0.54
Table 3. Evolution trend characteristics of NDVI in the Qilian Mountains
View tableView in ArticleTable 3. Evolution trend characteristics of NDVI in the Qilian Mountains
发展方向 演化趋势 面积
×104 km2所占
比例/%良性方向 持续性-轻微改善 5.10 27.83 持续性-明显改善 2.26 12.35 反持续性-明显恶化 0.01 0.04 反持续性-轻微恶化 0.48 2.61 恶性方向 持续性-明显恶化 0.56 3.06 持续性-轻微恶化 4.12 22.50 反持续性-轻微改善 0.14 0.75 反持续性-明显改善 0.02 0.09 基本不变 基本不变 5.64 30.77
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Dong-rong PAN, Tian-hu HAN, Hao-wen YAN. Spatiotemporal Dynamics of Vegetation Coverage in Different Ecological Areas of the Qilian Mountains Based on Spectral Data[J]. Spectroscopy and Spectral Analysis, 2022, 42(4): 1192
Paper Information
Category: Research Articles
Received: Aug. 13, 2021
Accepted: --
Published Online: Jul. 25, 2023
The Author Email: PAN Dong-rong (pandongrong@yeah.net)
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