1988—2018年间洱海流域植被覆盖度时空变换特征探究
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陈虹, 郭兆成, 贺鹏
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Spatial and temporal change characteristics of vegetation coverage in Erhai Lake basin during 1988—2018
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CHEN Hong, GUO Zhaocheng, HE Peng
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表2 1988—2018年洱海流域不同等级FVC面积及变化率
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Tab.2 Vegetation coverage area and rate of different levels of FVC in Erhai Basin from 1988 to 2018
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FVC
阈值/% | 1988年 | 1998年 | 2008年 | 2018年 | 1988—2018年
变化面积/km2 | 1988—2018
年变化率/% | | 面积/km2 | 比例/% | 面积/km2 | 比例/% | 面积/km2 | 比例/% | 面积/km2 | 比例/% | | (0,30] | 55.44 | 2.65 | 55.89 | 2.67 | 34.60 | 1.65 | 47.46 | 2.24 | -7.98 | -0.41 | | (30,45] | 130.45 | 6.23 | 96.86 | 4.63 | 79.10 | 3.77 | 72.91 | 3.45 | -57.54 | -2.78 | | (45,60] | 282.68 | 13.49 | 252.61 | 12.08 | 212.79 | 10.15 | 93.91 | 4.44 | -188.77 | -9.05 | | (60,75] | 512.19 | 24.45 | 470.59 | 22.51 | 426.91 | 20.37 | 262.83 | 12.42 | -249.36 | -12.00 | | (75,100) | 1 113.99 | 53.18 | 1 214.83 | 58.10 | 1 342.77 | 64.06 | 1 619.07 | 76.50 | 505.08 | 23.32 |
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