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3 3种沙丘上主要固沙灌木不同龄级的数量特征
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Table 3 The quantitative characteristics of different age-class of sand-fixing shrubs under three types of sand dunes
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| 沙丘类型 | 固沙灌木 | Ⅰ | Ⅱ | Ⅲ | Ⅳ | Ⅴ | Ⅵ |
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| 固定沙丘 | 梭梭 | 843(38.48%) | 143(6.53%) | 35(1.60%) | 22(1.00%) | 13(0.59%) | 3(0.14%) | | 白梭梭 | 790(36.06%) | 257(11.73%) | 37(1.69%) | 21(0.96%) | 20(0.91%) | 7(0.32%) | | 半固定沙丘 | 白梭梭 | 91(6.37%) | 33(2.44%) | 25(1.85%) | 23(1.70%) | 10(0.74%) | 7(0.52%) | | 沙拐枣 | 146(10.80%) | 41(3.03%) | 29(2.14%) | 9(0.67%) | 4(0.30%) | 1(0.07%) | | 油蒿 | 523(38.68%) | 220(16.27%) | 90(6.66%) | 47(3.48%) | 46(3.40%) | 7(0.52%) | | 流动沙丘 | 白梭梭 | 252(24.07%) | 45(4.30%) | 8(0.76%) | 7(0.67%) | 3(0.29%) | 2(0.19%) | | 沙拐枣 | 261(24.93%) | 69(6.59%) | 33(3.15%) | 19(1.81%) | 15(1.43%) | 13(1.24%) | | 油蒿 | 168(16.05%) | 87(8.31%) | 36(3.44%) | 15(1.43%) | 10(0.96%) | 4(0.38%) |
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