土地利用景观格局的地形分异及驱动机制研究
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杨祯琦,麻明友,田建林
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Terrain Differentiation and Driving Mechanism of Land Use Landscape Pattern
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Zhenqi YANG,Mingyou MA,Jianlin TIAN
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表7 2005~2020年永定区类型水平指数坡度分异特征统计表
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Table 7 Statistical table of slope differentiation characteristics of type horizontal index from 2005 to 2020
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坡度分级 | 类型 | PD | LPI | AI |
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2005 | 2010 | 2015 | 2020 | 2005 | 2010 | 2015 | 2020 | 2005 | 2010 | 2015 | 2020 |
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0°~6° | 耕地 | 49.42 | 49.45 | 49.68 | 48.82 | 3.43 | 3.43 | 3.07 | 3.07 | 73.42 | 73.23 | 72.85 | 71.79 | 林地 | 123.80 | 123.72 | 123.25 | 123.37 | 0.20 | 0.20 | 0.19 | 0.16 | 32.42 | 32.40 | 32.66 | 32.65 | 草地 | 15.22 | 15.21 | 15.06 | 14.81 | 0.02 | 0.02 | 0.02 | 0.02 | 27.51 | 27.51 | 27.52 | 27.59 | 水域 | 2.29 | 2.29 | 2.32 | 2.33 | 1.61 | 1.61 | 1.57 | 1.58 | 77.17 | 77.17 | 77.10 | 76.67 | 建设用地 | 2.13 | 2.40 | 2.48 | 3.07 | 1.16 | 1.16 | 1.16 | 1.68 | 78.34 | 78.05 | 78.68 | 83.07 | 6°~15° | 耕地 | 25.69 | 25.68 | 25.66 | 24.94 | 0.32 | 0.32 | 0.32 | 0.32 | 56.33 | 56.32 | 56.39 | 56.40 | 林地 | 68.27 | 68.28 | 68.29 | 68.30 | 0.40 | 0.40 | 0.40 | 0.37 | 50.67 | 50.66 | 50.58 | 50.58 | 草地 | 10.04 | 10.03 | 10.02 | 9.96 | 0.38 | 0.38 | 0.38 | 0.38 | 49.93 | 49.93 | 49.81 | 49.92 | 水域 | 1.60 | 1.60 | 1.59 | 1.43 | 0.03 | 0.03 | 0.03 | 0.07 | 46.15 | 46.08 | 46.04 | 46.21 | 建设用地 | 1.32 | 1.48 | 1.50 | 2.00 | 0.09 | 0.09 | 0.09 | 0.10 | 53.69 | 53.08 | 55.37 | 56.03 | 15°~25° | 耕地 | 18.94 | 18.94 | 18.92 | 18.49 | 0.17 | 0.17 | 0.17 | 0.17 | 54.93 | 54.92 | 55.02 | 55.09 | 林地 | 47.64 | 47.65 | 47.66 | 47.57 | 1.17 | 1.17 | 1.17 | 1.21 | 54.59 | 54.59 | 54.56 | 54.55 | 草地 | 6.96 | 6.96 | 6.95 | 6.85 | 0.19 | 0.19 | 0.19 | 0.19 | 56.04 | 56.04 | 56.00 | 56.34 | 水域 | 1.05 | 1.05 | 1.04 | 1.02 | 0.01 | 0.01 | 0.01 | 0.01 | 38.10 | 38.23 | 38.32 | 37.93 | 建设用地 | 0.46 | 0.56 | 0.69 | 0.92 | 0.01 | 0.01 | 0.01 | 0.02 | 44.71 | 44.53 | 47.62 | 49.38 | 25°~35° | 耕地 | 21.94 | 21.93 | 22.02 | 21.44 | 0.08 | 0.08 | 0.08 | 0.08 | 47.09 | 47.07 | 47.09 | 47.11 | 林地 | 70.85 | 70.84 | 70.76 | 70.63 | 0.52 | 0.55 | 0.55 | 0.55 | 51.25 | 51.25 | 51.26 | 51.29 | 草地 | 11.16 | 11.16 | 11.13 | 11.01 | 0.13 | 0.13 | 0.13 | 0.13 | 51.07 | 51.06 | 51.04 | 51.21 | 水域 | 1.13 | 1.14 | 1.14 | 1.20 | 0.01 | 0.01 | 0.01 | 0.01 | 34.61 | 34.62 | 34.72 | 32.12 | 建设用地 | 0.19 | 0.25 | 0.35 | 0.58 | 0.00 | 0.00 | 0.00 | 0.01 | 36.70 | 36.64 | 35.77 | 39.18 | >35° | 耕地 | 12.47 | 12.45 | 12.44 | 11.96 | 0.10 | 0.10 | 0.11 | 0.11 | 51.39 | 51.39 | 51.89 | 51.80 | 林地 | 53.92 | 53.92 | 53.95 | 53.95 | 12.65 | 12.65 | 12.65 | 12.71 | 66.31 | 66.31 | 66.28 | 66.31 | 草地 | 9.39 | 9.39 | 9.36 | 9.39 | 0.20 | 0.20 | 0.20 | 0.20 | 60.46 | 60.46 | 60.48 | 60.05 | 水域 | 0.71 | 0.74 | 0.13 | 0.24 | 0.11 | 0.11 | 0.01 | 0.01 | 61.77 | 61.59 | 48.63 | 50.98 | 建设用地 | 0.08 | 0.12 | 0.74 | 0.68 | 0.01 | 0.01 | 0.08 | 0.15 | 53.77 | 48.44 | 61.51 | 63.57 |
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