古尔班通古特沙漠沙丘主要灌木的种群数量动态
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李功麟, 张定海, 张志山, 胡宜刚, 黄磊, 路丽宁
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Population dynamics of main sand-fixing shrubs in the Gurbantunggut Desert
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Gonglin Li, Dinghai Zhang, Zhishan Zhang, Yigang Hu, Lei Huang, Lining Lu
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表5 3种沙丘上主要固沙灌木存活曲线的检验
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Table 5 The test of survival curve of sand-fixing shrubs on three types of sand dunes
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沙丘类型 | 固沙灌木 | 类型 | a | b | R2 | F | P |
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固定沙丘 | 梭梭 | Ⅰ | 7.40 | 1.01 | 0.95 | 82.48 | 0.00 | Ⅱ | 9.40 | 0.29 | 0.94 | 68.03 | 0.00 | Ⅲ | 8.00 | 0.77 | 0.85 | 22.97 | 0.01 | 白梭梭 | Ⅰ | 7.39 | 0.91 | 0.92 | 44.24 | 0.00 | Ⅱ | 8.40 | 0.22 | 0.95 | 78.52 | 0.00 | Ⅲ | 7.61 | 0.61 | 0.92 | 47.47 | 0.00 | 半固定沙丘 | 白梭梭 | Ⅰ | 7.15 | 0.47 | 0.94 | 63.04 | 0.00 | Ⅱ | 7.35 | 0.09 | 0.95 | 73.47 | 0.00 | Ⅲ | 7.05 | 0.24 | 0.90 | 37.10 | 0.00 | 沙拐枣 | Ⅰ | 7.84 | 0.94 | 0.98 | 234.68 | 0.00 | Ⅱ | 9.52 | 0.23 | 0.92 | 48.41 | 0.00 | Ⅲ | 8.14 | 0.60 | 0.77 | 13.71 | 0.02 | 油蒿 | Ⅰ | 7.65 | 0.77 | 0.94 | 57.52 | 0.00 | Ⅱ | 8.60 | 0.17 | 0.87 | 25.88 | 0.01 | Ⅲ | 7.72 | 0.45 | 0.74 | 11.53 | 0.03 | 流动沙丘 | 白梭梭 | Ⅰ | 7.15 | 0.93 | 0.91 | 38.82 | 0.00 | Ⅱ | 8.20 | 0.24 | 0.97 | 123.53 | 0.00 | Ⅲ | 7.43 | 0.66 | 0.96 | 101.18 | 0.00 | 沙拐枣 | Ⅰ | 6.95 | 0.58 | 0.88 | 29.76 | 0.01 | Ⅱ | 7.16 | 0.11 | 0.92 | 48.37 | 0.00 | Ⅲ | 6.93 | 0.33 | 1.00 | 878.56 | 0.00 | 油蒿 | Ⅰ | 7.65 | 0.74 | 0.99 | 556.15 | 0.00 | Ⅱ | 8.32 | 0.15 | 0.98 | 238.10 | 0.00 | Ⅲ | 7.63 | 0.41 | 0.88 | 29.51 | 0.01 |
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