毛乌素沙地南缘3种灌草丛形态与阻沙能力的对比研究

被引:20
作者
唐艳
刘连友
哈斯
王志
孙炳彦
杜建会
机构
[1] 北京师范大学资源学院
关键词
灌丛; 灌草丛形态; 阻沙能力; 毛乌素沙地南缘;
D O I
暂无
中图分类号
X171 [生态系统与污染生态学];
学科分类号
071012 ; 0713 ;
摘要
灌草丛形态对其沙丘形态塑造具有重要作用。通过对毛乌素沙地南缘典型灌草丛沙堆形态参数的测量,定量分析了针茅、沙蒿、沙柳3种主要灌草丛形态对其沙堆形态的影响,并探讨了不同灌草丛的阻沙能力。对灌草丛及沙堆形态参数之间的相关分析表明,3种灌草丛沙堆的长度、宽度与灌草丛的冠幅长度、宽度存在显著相关;沙堆高度与灌草丛高度微相关、与冠层高度不存在明显相关关系;沙堆水平分量与灌草丛高度也存在较强相关关系,相关性强弱依次为针茅、沙柳、沙蒿;沙堆体积与灌草丛体积相关性显著,相关性强弱依次为针茅、沙柳、沙蒿;研究结果证明,阻沙能力沙蒿最强,其次为针茅、沙柳。
引用
收藏
页码:44 / 48
页数:5
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