青藏高原景观生态风险的时空特征
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王洁, 摆万奇, 田国行
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Spatiotemporal characteristics of landscape ecological risks on the Tibetan Plateau
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WANG Jie, BAI Wanqi, TIAN Guohang
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表3 1992—2015年青藏高原不同土地覆被类型生态风险平均值变化情况
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Table 3 Change in average value of ecological risks of different land cover types on the Tibetan Plateau, 1992-2015
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年份 | 耕地 | 林地 | 草地 | 湿地 | 建设用地 | 裸地 | 1992 | 0.00596 | 0.01268 | 0.10940 | 0.00134 | 0.000018 | 0.03600 | | (0.00025) | (0.000424) | (0.000820) | (0.000130) | (0.000005) | (0.000923) | 2001 | 0.00643 | 0.01303 | 0.10674 | 0.00132 | 0.000038 | 0.03519 | | (0.000264) | (0.000433) | (0.000836) | (0.000128) | (0.000003) | (0.000915) | 2008 | 0.00644 | 0.01299 | 0.10674 | 0.00133 | 0.000043 | 0.03458 | | (0.000265) | (0.000433) | (0.000843) | (0.000128) | (0.000002) | (0.000917) | 2015 | 0.00625 | 0.01291 | 0.10795 | 0.00136 | 0.000057 | 0.03379 | | (0.000259) | (0.000432) | (0.000844) | (0.000130) | (0.000002) | (0.000911) | 1992—2015年风险指数变化率/% | 4.87 | 1.81 | -1.33 | 1.49 | 216.67 | -6.14 |
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