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4 主要固沙灌木的静态生命表
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Table 4 The static life-table of main sand-fixing shrubs
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沙丘类型 | 固沙灌木 | x | nx | lx | lnlx | dx | Lx | Tx | qx | ex | Kx | Sx |
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固定沙丘 | 梭梭 | Ⅰ | 843 | 1 000 | 6.91 | 830 | 585 | 758 | 0.83 | 0.76 | 1.77 | 0.17 | Ⅱ | 143 | 170 | 5.14 | 128 | 106 | 173 | 0.75 | 1.02 | 1.40 | 0.25 | Ⅲ | 35 | 42 | 3.74 | 16 | 34 | 67 | 0.38 | 1.60 | 0.48 | 0.62 | Ⅳ | 22 | 26 | 3.26 | 11 | 21 | 33 | 0.42 | 1.27 | 0.55 | 0.58 | Ⅴ | 13 | 15 | 2.71 | 11 | 10 | 12 | 0.73 | 0.80 | 1.32 | 0.27 | Ⅵ | 3 | 4 | 1.39 | 4 | 2 | 2 | 1.00 | 0.50 | 0.00 | 0.00 | | 白梭梭 | Ⅰ | 790 | 1 000 | 6.91 | 675 | 663 | 934 | 0.68 | 0.93 | 1.13 | 0.33 | Ⅱ | 257 | 325 | 5.78 | 278 | 186 | 271 | 0.86 | 0.83 | 1.93 | 0.14 | Ⅲ | 37 | 47 | 3.85 | 20 | 37 | 85 | 0.43 | 1.81 | 0.55 | 0.57 | Ⅳ | 21 | 27 | 3.30 | 2 | 26 | 48 | 0.07 | 1.78 | 0.08 | 0.93 | Ⅴ | 20 | 25 | 3.22 | 16 | 17 | 22 | 0.64 | 0.88 | 1.02 | 0.36 | Ⅵ | 7 | 9 | 2.20 | 9 | 5 | 5 | 1.00 | 0.56 | 0.00 | 0.00 | 半固定沙丘 | 白梭梭 | Ⅰ | 91 | 1 000 | 6.91 | 637 | 682 | 1 580 | 0.64 | 1.58 | 1.02 | 0.36 | Ⅱ | 33 | 363 | 5.89 | 88 | 319 | 898 | 0.24 | 2.47 | 0.27 | 0.76 | Ⅲ | 25 | 275 | 5.62 | 22 | 264 | 579 | 0.08 | 2.11 | 0.09 | 0.92 | Ⅳ | 23 | 253 | 5.53 | 143 | 182 | 315 | 0.57 | 1.25 | 0.83 | 0.43 | Ⅴ | 10 | 110 | 4.70 | 33 | 94 | 133 | 0.30 | 1.21 | 0.36 | 0.70 | Ⅵ | 7 | 77 | 4.34 | 77 | 39 | 39 | 1.00 | 0.51 | 0.00 | 0.00 | | 沙拐枣 | Ⅰ | 146 | 1 000 | 6.91 | 719 | 641 | 1 078 | 0.72 | 1.08 | 1.27 | 0.28 | Ⅱ | 41 | 281 | 5.64 | 82 | 240 | 437 | 0.29 | 1.56 | 0.35 | 0.71 | Ⅲ | 29 | 199 | 5.29 | 137 | 131 | 197 | 0.69 | 0.99 | 1.16 | 0.31 | Ⅳ | 9 | 62 | 4.13 | 35 | 45 | 66 | 0.56 | 1.06 | 0.83 | 0.44 | Ⅴ | 4 | 27 | 3.30 | 20 | 17 | 21 | 0.74 | 0.78 | 1.35 | 0.26 | Ⅵ | 1 | 7 | 1.95 | 7 | 4 | 4 | 1.00 | 0.57 | 0.00 | 0.00 | | 油蒿 | Ⅰ | 523 | 1 000 | 6.91 | 579 | 711 | 1 286 | 0.58 | 1.29 | 0.87 | 0.42 | Ⅱ | 220 | 421 | 6.04 | 249 | 297 | 575 | 0.59 | 1.37 | 0.89 | 0.41 | Ⅲ | 90 | 172 | 5.15 | 82 | 131 | 278 | 0.48 | 1.62 | 0.65 | 0.52 | Ⅳ | 47 | 90 | 4.50 | 2 | 89 | 147 | 0.02 | 1.63 | 0.02 | 0.98 | Ⅴ | 46 | 88 | 4.48 | 75 | 51 | 58 | 0.85 | 0.66 | 1.92 | 0.15 | Ⅵ | 7 | 13 | 2.56 | 13 | 7 | 7 | 1.00 | 0.54 | 0.00 | 0.00 | 流动沙丘 | 白梭梭 | Ⅰ | 252 | 1 000 | 6.91 | 821 | 590 | 760 | 0.82 | 0.76 | 1.72 | 0.18 | Ⅱ | 45 | 179 | 5.19 | 147 | 106 | 170 | 0.82 | 0.95 | 1.72 | 0.18 | Ⅲ | 8 | 32 | 3.47 | 4 | 30 | 64 | 0.13 | 2.00 | 0.14 | 0.88 | Ⅳ | 7 | 28 | 3.33 | 16 | 20 | 34 | 0.57 | 1.21 | 0.85 | 0.43 | Ⅴ | 3 | 12 | 2.48 | 4 | 10 | 14 | 0.33 | 1.17 | 0.40 | 0.67 | Ⅵ | 2 | 8 | 2.08 | 8 | 4 | 4 | 1.00 | 0.50 | 0.00 | 0.00 | | 沙拐枣 | Ⅰ | 261 | 1 000 | 6.91 | 736 | 632 | 1 071 | 0.74 | 1.07 | 1.33 | 0.26 | Ⅱ | 69 | 264 | 5.58 | 138 | 195 | 439 | 0.52 | 1.66 | 0.74 | 0.48 | Ⅲ | 33 | 126 | 4.84 | 53 | 100 | 244 | 0.42 | 1.94 | 0.55 | 0.58 | Ⅳ | 19 | 73 | 4.29 | 16 | 65 | 144 | 0.22 | 1.97 | 0.25 | 0.78 | Ⅴ | 15 | 57 | 4.04 | 7 | 54 | 79 | 0.12 | 1.39 | 0.13 | 0.88 | Ⅵ | 13 | 50 | 3.91 | 50 | 25 | 25 | 1.00 | 0.50 | 0.00 | 0.00 | | 油蒿 | Ⅰ | 168 | 1 000 | 6.91 | 482 | 759 | 1 406 | 0.48 | 1.41 | 0.66 | 0.52 | Ⅱ | 87 | 518 | 6.25 | 304 | 366 | 647 | 0.59 | 1.25 | 0.88 | 0.41 | Ⅲ | 36 | 214 | 5.37 | 125 | 152 | 281 | 0.58 | 1.31 | 0.88 | 0.42 | Ⅳ | 15 | 89 | 4.49 | 29 | 75 | 129 | 0.33 | 1.45 | 0.40 | 0.67 | Ⅴ | 10 | 60 | 4.09 | 36 | 42 | 54 | 0.60 | 0.90 | 0.91 | 0.40 | Ⅵ | 4 | 24 | 3.18 | 24 | 12 | 12 | 1.00 | 0.50 | 0.00 | 0.00 |
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