中国草畜平衡状态时空演变指示的草地生态保护格局
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黄麟, 翟俊, 祝萍, 郑瑜晗
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Spatiotemporal evolution characteristics of livestock-carrying pressure in China and its implications for grassland ecosystem conservation pattern
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HUANG Lin, ZHAI Jun, ZHU Ping, ZHENG Yuhan
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表3 2000—2015年中国主要草原牧区草地植被覆盖度变化统计
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Tab. 3 Statistics of grassland vegetation coverage change in China's pasture regions from 2000 to 2015
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| 草地类型 | 合计 | 西藏 | 内蒙古 | | 均值(%) | 均值变化(%) | 趋势(%/a) | 均值(%) | 均值变化(%) | 趋势(%/a) | 均值(%) | 均值变化(%) | 趋势(%/a) | | 高寒草原类 | 18.97 | 0.11 | 0.01 | 15.38 | -0.21 | -0.06 | 14.69 | 0.35 | 0.11 | | 高寒草甸类 | 53.35 | -0.32 | -0.06 | 45.86 | -0.58 | -0.13 | 53.27 | 1.74 | 0.35 | | 高寒荒漠类 | 7.68 | 0.34 | 0.06 | 6.34 | 0.29 | 0.05 | - | - | - | | 温性草原类 | 43.62 | 1.59 | 0.28 | 36.78 | -1.16 | -0.24 | 45.03 | 2.13 | 0.36 | | 温性草甸类 | 75.88 | -0.99 | -0.19 | 67.58 | -1.31 | -0.23 | 85.27 | 0.54 | 0.07 | | 温性荒漠类 | 9.41 | 0.52 | 0.10 | 6.03 | -0.34 | -0.06 | 4.68 | 0.21 | 0.05 | | 草地合计 | 9.40 | 0.53 | 0.10 | 28.50 | -0.37 | -0.09 | 29.41 | 1.33 | 0.23 | | 草地类型 | 新疆 | 甘肃 | 青海 | | 均值(%) | 均值变化(%) | 趋势(%/a) | 均值(%) | 均值变化(%) | 趋势(%/a) | 均值(%) | 均值变化(%) | 趋势(%/a) | | 高寒草原类 | 25.77 | -0.09 | -0.04 | 17.05 | 1.19 | 0.24 | 29.45 | 1.14 | 0.24 | | 高寒草甸类 | 51.60 | -0.76 | -0.17 | 75.32 | -0.05 | 0 | 59.85 | 0.13 | 0.01 | | 高寒荒漠类 | 5.41 | 0.38 | 0.07 | 16.67 | 0.93 | 0.2 | 16.75 | 0.49 | 0.10 | | 温性草原类 | 43.71 | -1.19 | -0.22 | 40.94 | 3.34 | 0.67 | 37.48 | 2.03 | 0.42 | | 温性草甸类 | 76.41 | -2.82 | -0.55 | 80.17 | 0.77 | 0.15 | 65.60 | 0.66 | 0.16 | | 温性荒漠类 | 13.70 | 0.67 | 0.13 | 7.29 | 0.75 | 0.13 | 9.58 | 0.77 | 0.16 | | 草地合计 | 28.17 | -0.11 | -0.02 | 35.07 | 1.19 | 0.23 | 35.07 | 1.19 | 0.23 |
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