2001—2020年间河南省郑州市生态环境质量时空变化及驱动因素分析
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奥勇, 汪雅, 王晓峰, 吴京盛, 张亦恒, 李雪娇
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Spatiotemporal changes of ecological quality and their driving factors in Zhengzhou City over the last 20 years
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AO Yong, WANG Ya, WANG Xiaofeng, WU Jingsheng, ZHANG Yiheng, LI Xuejiao
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表4 2001—2020年郑州市生态环境质量等级面积与占比
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Tab.4 Areas and proportions of ecological environment quality levels in Zhengzhou City from 2001 to 2020
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等级 | 2001年 | 2006年 | 2010年 | 2015年 | 2020年 | 面积/km2 | 占比/% | 面积/km2 | 占比/% | 面积/km2 | 占比/% | 面积/km2 | 占比/% | 面积/km2 | 占比/% | 差 | 469.67 | 6.33 | 130.67 | 1.76 | 797.53 | 10.76 | 395.93 | 5.34 | 416.12 | 5.61 | 较差 | 1 495.85 | 20.17 | 1 269.94 | 17.13 | 1 702.43 | 22.96 | 1 114.97 | 15.04 | 1 129.83 | 15.24 | 中等 | 2 494.00 | 33.64 | 2 328.42 | 31.40 | 1 951.10 | 26.31 | 1 624.60 | 21.91 | 1 560.85 | 21.05 | 良 | 2 217.18 | 29.90 | 2 581.36 | 34.82 | 1 912.03 | 25.79 | 2 369.05 | 31.95 | 2 836.95 | 38.26 | 优 | 737.75 | 9.95 | 1 104.06 | 14.89 | 1 051.36 | 14.18 | 1 909.90 | 25.76 | 1 470.70 | 19.84 |
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