协同遥感与统计数据的粤西甘蔗种植分布提取及时空分析
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杨颖频, 吴志峰, 黄启厅, 骆剑承, 吴田军, 董文, 胡晓东, 肖文菊
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Extraction of Sugarcane Plantation Distribution in Western Guangdong by Combining Remote Sensing and Statistic Data and Its Spatiotemporal Analysis
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YANG Yingpin, WU Zhifeng, HUANG Qiting, LUO Jiancheng, WU Tianjun, DONG Wen, HU Xiaodong, XIAO Wenju
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表3 湛江2000、2008、2020年甘蔗景观格局指数计算结果
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Tab. 3 Calculation results of sugarcane landscape pattern index in Zhanjiang in 2000, 2008 and 2020
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| 区县 | 年份 | 景观格局指数 | | 景观比例/% | 平均斑块面积/hm2 | 斑块密度/(个/km2) | 聚集度指数 | | 遂溪县 | 2000 | 16.33 | 1.14 | 13.36 | 61.45 | | 2008 | 21.78 | 1.69 | 12.03 | 67.13 | | 2020 | 23.53 | 2.31 | 9.51 | 70.99 | | 雷州市 | 2000 | 9.47 | 0.56 | 15.79 | 48.85 | | 2008 | 12.74 | 0.82 | 14.60 | 62.15 | | 2020 | 15.05 | 1.08 | 13.04 | 64.98 | | 徐闻县 | 2000 | 9.44 | 0.51 | 17.47 | 47.19 | | 2008 | 10.71 | 1.00 | 10.09 | 64.09 | | 2020 | 7.61 | 0.67 | 10.68 | 59.35 | | 麻章区 | 2000 | 7.49 | 0.78 | 9.00 | 57.31 | | 2008 | 7.50 | 0.77 | 9.11 | 58.17 | | 2020 | 6.31 | 0.47 | 12.65 | 47.49 | | 廉江市 | 2000 | 1.13 | 0.20 | 5.23 | 26.76 | | 2008 | 2.07 | 0.35 | 5.47 | 42.15 | | 2020 | 1.77 | 0.24 | 6.90 | 31.26 | | 吴川市 | 2000 | 0.43 | 0.17 | 2.36 | 21.64 | | 2008 | 0.39 | 0.18 | 2.09 | 23.00 | | 2020 | 0.58 | 0.15 | 3.64 | 17.06 | | 霞山区 | 2000 | 1.32 | 0.27 | 4.54 | 33.18 | | 2008 | 1.14 | 0.30 | 3.61 | 35.50 | | 2020 | 0.22 | 0.13 | 1.60 | 12.93 | | 坡头区 | 2000 | 0.82 | 0.21 | 3.67 | 27.83 | | 2008 | 0.71 | 0.20 | 3.36 | 25.23 | | 2020 | 0.52 | 0.17 | 2.86 | 22.14 | | 赤坎区 | 2000 | 0.42 | 0.16 | 2.37 | 21.07 | | 2008 | 0.35 | 0.18 | 1.84 | 22.49 | | 2020 | 0.22 | 0.14 | 1.57 | 15.16 |
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