藏锦鸡儿( Caragana tibetica )灌丛沙堆的形态与沉积物特征
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韩敏, 高永, 贺明辉, 燕如, 白芳, 杨文源, 李小乐, 袁晓满, 杨娟
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Morphology and sediment characterization of a scrub sandpile in Caragana tibetica
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Min Han, Yong Gao, Minghui He, Ru Yan, Fang Bai, Wenyuan Yang, Xiaole Li, Xiaoman Yuan, Juan Yang
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表1 灌丛沙堆相关形态参数统计
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Table 1 Statistics on morphological parameters related to scrub and nebkhas
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演化 阶段 | 项目 | 形态参数 |
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Lg/cm | Wg/cm | Hg/cm | Ld/cm | Wd/cm | Hd/cm | Ly/cm | Lb/cm | HC/cm | Sd/cm2 | Vd/cm3 | Sg/cm2 |
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发育 阶段n=150株 | 最大值 | 118.5 | 117.3 | 19.9 | 86.3 | 70.5 | 13.2 | 47.3 | 39.5 | 78.2 | 3 010.8 | 10 033.3 | 337.5 | 最小值 | 23.7 | 25.3 | 4.8 | 10.7 | 8.4 | 3.2 | 5.4 | 4.7 | 10.4 | 50.6 | 50.3 | 333.5 | 均值±标准误差 | 51.9±19.1c | 51.4±19.6c | 16.2±2.7c | 39.3±7.6b | 51.5±17.3a | 8.1±0.8b | 28.7±9.5c | 20.4±6.3c | 35.9±11.9c | 702.1±481.4c | 2 073.4±1 770.1c | 1 500.8±1 257.1c | 变异系数 | 2.7 | 2.6 | 6.1 | 0.2 | 0.3 | 0.1 | 0.3 | 0.3 | 0.3 | 0.7 | 0.9 | 1.2 | 稳定 阶段n=112株 | 最大值 | 177.6 | 176.4 | 24.8 | 110.3 | 95.7 | 17.5 | 56.1 | 50.7 | 96.5 | 4 565.5 | 16 738.3 | 13 186.5 | 最小值 | 25.4 | 30.6 | 20.1 | 15.6 | 15.3 | 5.8 | 8.5 | 7.1 | 18.5 | 157.5 | 472.5 | 375.5 | 均值±标准误差 | 71.8±28.2b | 70.1±25.6b | 22.1±3.7b | 67.4 ±24.3a | 71.7±24.8a | 10.8±0.5a | 32.4±11.8b | 27.9±8.7b | 46.2±14.8b | 1 153.5±760.9b | 4 661.7±3 247.8b | 2 835.6±2 320.4b | 变异系数 | 2.5 | 2.8 | 5.9 | 0.4 | 0.4 | 0.1 | 0.4 | 0.3 | 0.3 | 0.7 | 0.7 | 1.2 | 活化 阶段n=100株 | 最大值 | 202.6 | 231.5 | 89.2 | 174.2 | 178.1 | 47.5 | 90.3 | 83.2 | 190.2 | 17 922.5 | 179 220.1 | 23 331.5 | 最小值 | 31.9 | 29.6 | 25.4 | 20.7 | 16.3 | 13.4 | 10.6 | 5.6 | 24.6 | 283.5 | 1 228.5 | 449.5 | 均值±标准误差 | 82.2±32.7a | 84.9±34.7a | 31.1±8.4a | 82.1±7.4a | 84.8±8.5a | 11.1±1.1a | 50.2±23.2a | 42.8±16.4a | 72.7±29.5a | 3 031.1±2 815.9a | 21 814.9±26 636.1a | 3 992.7±3 452.8a | 变异系数 | 2.5 | 2.4 | 3.7 | 0.1 | 0.1 | 0.1 | 0.5 | 0.4 | 0.4 | 0.9 | 1.2 | 1.2 |
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