干旱区绿洲农村居民点景观格局演变及机制分析
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师满江, 颉耀文, 曹琦
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The landscape evolution and mechanism analysis of rural settlements in the oasis of arid region
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Manjiang SHI, Yaowen XIE, Qi CAO
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| 表3 1987-2013年各乡镇农村居民点景观格局指数统计 |
| Tab. 3 The statistics of landscape pattern index of rural settlements in 1987, 2002 and 2013 |
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| 景观指数 | 年份 | 最小值. | 最大值 | 平均值 | 标准差 | | MPS（m2） | 1987 | 2545 | 8000 | 3975 | 1267 | | 2002 | 3000 | 9999 | 4704 | 1631 | | 2013 | 3033 | 12870 | 6356 | 2779 | | PSSD（m2） | 1987 | 1841 | 11615 | 4949 | 2453 | | 2002 | 2099 | 12408 | 4856 | 2392 | | 2013 | 2661 | 24775 | 7166 | 4286 | | PD(1/km2) | 1987 | 11 | 2837 | 781 | 749 | | 2002 | 21 | 3037 | 930 | 859 | | 2013 | 29 | 3522 | 967 | 761 | | MPFD | 1987 | 1.26 | 1.36 | 1.32 | 0.03 | | 2002 | 1.29 | 1.35 | 1.33 | 0.01 | | 2013 | 1.31 | 1.36 | 1.33 | 0.01 | | MSI | 1987 | 1.20 | 1.95 | 1.53 | 0.17 | | 2002 | 1.37 | 1.78 | 1.59 | 0.10 | | 2013 | 1.42 | 2.04 | 1.61 | 0.14 | | ED（mm-2×102） | 1987 | 1.02 | 25.21 | 7.23 | 5.28 | | 2002 | 1.26 | 23.05 | 7.75 | 4.25 | | 2013 | 1.11 | 22.97 | 6.83 | 4.23 |
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