改进遥感生态指数的典型海岸带城市生态环境质量评价——以湛江市为例
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王静, 王佳, 徐江琪, 黄邵东, 刘东云
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Exploring ecological environment quality of typical coastal cities based on an improved remote sensing ecological index: A case study of Zhanjiang City
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WANG Jing, WANG Jia, XU Jiangqi, HUANG Shaodong, LIU Dongyun
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表4 各年份不同等级IRSEI的面积与比例
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Tab.4 Area and proportion of IRSEI of each grade in each year
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| 等级 | 2000年 | 2005年 | 2009年 | 2015年 | 2020年 | | 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/% | | 差[0,0.2) | 6 385.38 | 48.28 | 8 659.39 | 65.48 | 0.01 | 0.00 | 1 043.53 | 7.89 | 4 072.28 | 30.79 | | 较差[0.02,0.35) | 6 605.60 | 49.95 | 4 326.90 | 32.72 | 4 478.66 | 33.87 | 2 529.22 | 19.12 | 0.00 | 0.00 | | 中[0.35,0.55) | 137.20 | 1.04 | 79.37 | 0.60 | 8 674.53 | 65.59 | 9 495.07 | 71.80 | 9 083.81 | 68.69 | | 良[0.55,0.75) | 27.78 | 0.21 | 0.03 | 0.00 | 37.34 | 0.28 | 142.90 | 1.08 | 63.43 | 0.48 | | 优[0.75,1] | 69.04 | 0.52 | 159.31 | 1.20 | 34.46 | 0.26 | 14.27 | 0.11 | 5.42 | 0.04 |
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