青藏高原东部生态敏感区生境质量时空演变特征——以青海省河湟谷地为例
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朱杰, 龚健, 李靖业
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Spatiotemporal change of habitat quality in ecologically sensitive areas of eastern Qinghai-Tibet Plateau: A case study of the Hehuang Valley, Qinghai Province
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Jie ZHU, Jian GONG, Jingye LI
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表5 研究区整体景观格局指数
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Table 5 Landscape metrics of the study area
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年份 | 景观破碎化指数 | NP/个 | PD/(个/hm2) | LPI/% | AREA_MN/hm2 | DIVISION/% | 1995 | 7137 | 20.23 | 10.6298 | 494.2380 | 97.25 | 2005 | 8058 | 22.84 | 10.2255 | 437.7484 | 97.58 | 2015 | 9597 | 27.21 | 10.7360 | 367.5499 | 97.59 | 年份 | 景观形状指数 | | 景观多样性指数 | ED/(m/hm2) | LSI | CONTAG/% | SHDI | SHEI | 1995 | 13.9863 | 68.0368 | 58.1295 | | 1.3770 | 0.7685 | 2005 | 14.7630 | 71.6838 | 57.8227 | 1.3828 | 0.7717 | 2015 | 15.5796 | 75.5180 | 57.0628 | 1.4037 | 0.7834 |
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