Remote Sensing Technology and Application, Volume. 40, Issue 2, 359(2025)
Dynamic Monitoring and Evaluation of Ecological Quality in Daxing'Anling District based on RSEI Model
Figures & Tables(11)
Fig. 6. Average Change of RSEI Index in Daxing’anling District and northern fire disaster areas from 1986 to 2020
Table 1.
Results of PCA View tableView in ArticleTable 1.
Results of PCA 指标 1986年 2020年 PC1 PC2 PC3 PC4 PC1 PC2 PC3 PC4 绿度 0.63 0.34 -0.58 0.37 0.45 0.25 -0.81 0.27 湿度 Wet 0.17 -0.93 -0.33 0.05 0.26 -0.95 -0.16 -0.03 干度 -0.23 0.14 -0.63 -0.72 -0.28 0.02 -0.44 -0.85 热度 -0.72 0.03 -0.39 0.58 -0.80 -0.18 -0.35 0.44 特征值贡献率/% 77.38 15.63 5.80 1.19 60.58 30.85 7.96 0.60
Table 2.
Ecological quality grade area distribution from 1986 to 2020 View tableView in ArticleTable 2.
Ecological quality grade area distribution from 1986 to 2020 年份 差 较差 一般 良 优 1986 36 448 55 002 25 735 16 234 1 812 1988 56 397 57 058 16 756 4 439 581 1990 23 403 68 327 30 631 11 684 1 184 1996 13 078 73 886 40 194 7 083 990 2000 29 085 71 959 26 218 7 111 858 2006 38 405 66 620 24 069 5 432 705 2010 8 806 66 909 37 238 19 396 2 882 2013 10 159 51 774 50 577 19 134 3 587 2018 33 851 72 183 22 821 5 722 653 2021 11 362 57 604 46 443 18 066 1 756
Table 3.
Ecological quality level change area transfer matrix in 1986 and 2020 View tableView in ArticleTable 3.
Ecological quality level change area transfer matrix in 1986 and 2020 1986 2020 差 较差 一般 良 优 总计 差 5 954 3 164 1 270 926 110 11 424 较差 19 516 24 471 7 780 5 179 626 57 573 一般 9 475 22 085 9 558 4 816 490 46 423 良 1 422 4 996 6 541 4 625 473 18 057 优 82 286 586 687 113 1 754 总计 36 448 55 002 25 735 16 234 1 812 135 231
Table 4.
Ecological quality grade area distribution from 1986 to 2020 of Severe Fire Areas View tableView in ArticleTable 4.
Ecological quality grade area distribution from 1986 to 2020 of Severe Fire Areas 年份 差 较差 一般 良 优 1986 3 898 12 758 6 787 6 407 885 1988 18 790 10 570 1 190 148 36 1990 13 169 15 606 1 673 251 37 1996 6 244 19 549 4 251 608 82 2000 7 282 15 505 6 902 947 98 2006 8 391 15 409 5 895 908 131 2010 3 782 13 982 9 372 3 129 471 2013 957 13 878 12 235 3 502 163 2018 3 144 15 552 9 109 2 689 242 2021 1 812 17 240 9 359 2 180 145
Table 5.
Changes of RSEI rank level View tableView in ArticleTable 5.
Changes of RSEI rank level 类别 变化范围 百分比
/%
面积
/km2
类百分比
/%
变化面积
/km2
退化 [-1,-0.5) 1.11 1 496.68 28.88 39 051.40 [-0.5,-0.01) 27.77 37 554.71 不变 [-0.01,0.01) 3.56 4 815.97 3.56 4 815.97 改善 [0.01,0.5) 66.59 90 051.65 67.56 91 363.64 [0.5,1] 0.97 1 311.99
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Yutong ZHANG, Chengxing LING, Hua LIU, Feng ZHAO, Jun ZHANG, Haowei ZENG, Xinmiao WANG. Dynamic Monitoring and Evaluation of Ecological Quality in Daxing'Anling District based on RSEI Model[J]. Remote Sensing Technology and Application, 2025, 40(2): 359
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Received: Mar. 8, 2023
Accepted: --
Published Online: May. 23, 2025
The Author Email: Chengxing LING (lingcx@ifrit.ac.cn)
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