不同生境下濒危植物裸果木种群结构及动态特征
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王立龙, 王亮, 张丽芳, 刘玉洋, 徐世健
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Structure and dynamic characteristics of Gymnocarpos przewalskii in different habitats
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Li-Long WANG, Liang WANG, Li-Fang ZHANG, Yu-Yang LIU, Shi-Jian XU
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表3 不同生境下裸果木种群静态生命表 |
Table 3 Static life table of Gymnocarpos przewalskii population in different habitats |
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生境 Habitat | 龄级 Age class | 高度 Height (cm) | Ax | ax | lx | dx | qx | Lx | Tx | ex | lnlx | Kx | 水冲滩地 Flooding land | I | H < 10 | 44 | 71 | 1 000 | 70 | 0.07 | 965 | 4 876 | 4.88 | 6.91 | 0.07 | II | 10 ≤ H < 20 | 60 | 66 | 930 | 71 | 0.08 | 895 | 3 911 | 4.21 | 6.84 | 0.08 | III | 20 ≤ H < 30 | 67 | 61 | 859 | 70 | 0.08 | 824 | 3 016 | 3.51 | 6.76 | 0.09 | IV | 30 ≤ H < 40 | 71 | 56 | 789 | 71 | 0.09 | 753 | 2 192 | 2.78 | 6.67 | 0.09 | V | 40 ≤ H < 50 | 63 | 51 | 718 | 281 | 0.39 | 578 | 1 439 | 2.00 | 6.58 | 0.50 | VI | 50 ≤ H < 60 | 43 | 31 | 437 | 113 | 0.26 | 381 | 861 | 1.97 | 6.08 | 0.30 | VII | 60 ≤ H < 70 | 17 | 23 | 324 | 113 | 0.35 | 268 | 480 | 1.48 | 5.78 | 0.43 | VIII | 80 ≤ H < 90 | 11 | 15 | 211 | 112 | 0.53 | 155 | 212 | 1.00 | 5.35 | 0.75 | IX | 90 ≤ H < 100 | 3 | 7 | 99 | 85 | 0.86 | 57 | 57 | 0.58 | 4.60 | 1.96 | X | H ≥ 100 | 3 | 1 | 14 | - | - | - | - | - | 2.64 | - | 山间冲沟 Gully | I | H < 10 | 16 | 28 | 1 000 | 107 | 0.11 | 946 | 4 661 | 4.66 | 6.91 | 0.12 | II | 10 ≤ H < 20 | 27 | 25 | 893 | 107 | 0.12 | 839 | 3 714 | 4.16 | 6.79 | 0.12 | III | 20 ≤ H < 30 | 16 | 22 | 786 | 107 | 0.14 | 732 | 2 875 | 3.66 | 6.67 | 0.15 | IV | 30 ≤ H < 40 | 21 | 19 | 679 | 108 | 0.16 | 625 | 2 143 | 3.16 | 6.52 | 0.17 | V | 40 ≤ H < 50 | 30 | 16 | 571 | 107 | 0.19 | 518 | 1 518 | 2.66 | 6.35 | 0.21 | VI | 50 ≤ H < 60 | 16 | 13 | 464 | 107 | 0.23 | 411 | 1 000 | 2.15 | 6.14 | 0.26 | VII | 60 ≤ H < 70 | 11 | 10 | 357 | 107 | 0.30 | 304 | 589 | 1.65 | 5.88 | 0.36 | VIII | 80 ≤ H < 90 | 7 | 7 | 250 | 107 | 0.43 | 196 | 286 | 1.14 | 5.52 | 0.56 | IX | 90 ≤ H < 100 | 0 | 4 | 143 | 107 | 0.75 | 89 | 89 | 0.63 | 4.96 | 1.38 | X | H ≥ 100 | 3 | 1 | 36 | - | - | - | - | - | 3.58 | - | 平缓戈壁 Flat desert | I | H < 10 | 2 | 38 | 1 000 | 158 | 0.16 | 921 | 3 408 | 3.41 | 6.91 | 0.17 | II | 10 ≤ H < 20 | 5 | 32 | 842 | 158 | 0.19 | 763 | 2 487 | 2.95 | 6.74 | 0.21 | III | 20 ≤ H < 30 | 22 | 26 | 684 | 158 | 0.23 | 605 | 1 724 | 2.52 | 6.53 | 0.26 | IV | 30 ≤ H < 40 | 35 | 20 | 526 | 158 | 0.30 | 447 | 1 118 | 2.13 | 6.27 | 0.36 | V | 40 ≤ H < 50 | 28 | 14 | 368 | 157 | 0.43 | 289 | 671 | 1.82 | 5.91 | 0.56 | VI | 50 ≤ H < 60 | 28 | 8 | 211 | 79 | 0.38 | 171 | 382 | 1.81 | 5.35 | 0.47 | VII | 60 ≤ H < 70 | 8 | 5 | 132 | 53 | 0.40 | 105 | 211 | 1.60 | 4.88 | 0.51 | VIII | 80 ≤ H < 90 | 2 | 3 | 79 | 26 | 0.33 | 66 | 105 | 1.33 | 4.37 | 0.40 | IX | 90 ≤ H < 100 | 2 | 2 | 53 | 27 | 0.51 | 39 | 39 | 0.75 | 3.97 | 0.71 | X | H ≥ 100 | 1 | 1 | 26 | - | - | - | - | - | 3.26 | - |
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