[1]左合君,杨阳,张宏飞,等.阿拉善戈壁区白刺灌丛沙堆形态特征研究[J].水土保持研究,2018,25(01):263-269.
　ZUO Hejun,YANG Yang,ZHANG Hongfei,et al.Morphological Characters of Nitraria Dune in Gobi of Alxa[J].Research of Soil and Water Conservation,2018,25(01):263-269.
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阿拉善戈壁区白刺灌丛沙堆形态特征研究

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 25 期数: 2018年01期 页码: 263-269 栏目: 出版日期: 2018-02-28
Title:
Morphological Characters of Nitraria Dune in Gobi of Alxa
作者:
左合君1,3, 杨阳1, 张宏飞2, 姚立强3, 闫旭东2, 吴晓光1,2, 刘宝河1, 闫敏1
1. 内蒙古农业大学 沙漠治理学院/内蒙古风沙物理与防沙治沙工程重点实验室, 呼和浩特 010011;
2. 内蒙古自治区土地整治中心, 呼和浩特 010020;
3. 内蒙古自治区水土保持工作站, 呼和浩特 010020
Author(s):
ZUO Hejun1,3, YANG Yang1, ZHANG Hongfei2, YAO Liqiang3, YAN Xudong2, WU Xiaoguang1,2, LIU Baohe1, YAN Min1
1. College of Desert Control Science, Inner Mongolia Key Laboratory of Aeolian Physics and Desertification Control Engineering, Inner Mongolia Agricultural University, Hohhot 010019, China;
2. Center of Inner Mongolia Autonomous Region Land Consolidation and Rehabilitation, Hohhot 010020, China;
3. Soil and Water Conservation Workstation, Hohhot 010020, China
关键词:
戈壁; 白刺; 灌丛沙堆; 形态特征
Keywords:
Gobi; Nitraria tangutorum ; shrub sand pile; morphology
分类号:
P931.3
摘要:
戈壁地区分布着许多大小不同的白刺灌丛沙堆，为了探究造成戈壁地区灌丛沙堆差异的影响因素，通过对阿拉善戈壁地区白刺灌丛形态（灌丛高度、灌丛长度、灌丛宽度）与沙堆形态（沙堆高度、沙堆长轴、沙堆短轴）指标的测定，分析了白刺灌丛沙堆空间的差异性及其影响因子。结果表明：（1）戈壁地区白刺灌丛沙堆规模受到沙源与风力以及灌丛的影响，规模小于沙漠地区灌丛沙堆。其中，沙源决定了沙堆的发育规模，风力状况决定沙堆形态以及堆积位置，灌丛形态决定沙堆的形态。（2）随着灌丛沙堆的规模越大，灌丛与沙堆参数间相关性越好。灌丛特征决定沙堆特征，其中，灌丛长对沙堆长轴影响最大，灌丛宽对沙堆短轴影响最大，灌丛高度对沙堆高度影响最大。（3）灌丛沙堆在不同立地条件下的沙堆参数关系不同，当灌丛参数间拟合方程为二次函数且二次项系数为负数时，说明灌丛沙堆的发育空间较小，并且可能进入衰退阶段，当沙堆阐述间拟合方程为线性关系时，说明灌丛沙堆正处于发育阶段。
Abstract:
There are different sizes of shrub sand piles distributing in Gobi. To reveal the elements influencing the shrub sand pile as well as analyze the spatial difference of the sand pile and its impact factors, we measured Nitraria tangutorum sand piles in Gobi, including shrub morphology(shrub height, shrub long axis, minor axis) and sand piles morphology (sand pile height, long axis, short axis). The results show that:(1) Nitraria tangutorum sand pile sizes in Gobi were smaller than in the desert, which were impacted by sand source, wind conditions and shrub morphology; sand source determined the size, wind conditions affected the morphology and the sand location, shrub morphology controlled sand pile morphology; (2) as the Nitraria tangutorum sand pile developed, the correlation between sand pile parameters and shrub parameters became greater; the shrub character determined the sand piles character, the shrub length impacted sand pile long axis mostly, shrub width impacted sand pile minor axis mostly, shrub height impacted sand pile height mostly; (3) the shrub sand pile parameters were different in the different site conditions, while the fitted equation of shrub parameters was quadratic and the second-order coefficient was negative, the development of shrub vegetation was restricted, and started recession; while the fitted equation was linear, the shrub sand pile was developing.

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备注/Memo

收稿日期:2017-3-8;改回日期:2017-3-29。
基金项目:国家公益性行业科研专项经费项目（201411009）；内蒙古宜耕沙地保护性开发关键技术与示范
作者简介:左合君(1971-),男,甘肃省渭源县人,博士,副教授,主要从事荒漠化防治,交通线路风沙及风吹雪雪害防治研究。E-mail:zuohj@126.com;杨阳(1992-),男内蒙古鄂尔多斯人,内蒙古农业大学在读硕士研究生,主要研究方向为荒漠化防治。E-mail:15147190862@139.com

更新日期/Last Update: 1900-01-01