[1]高君亮,李玉宝,虞毅,等.毛乌素沙地不同土地利用类型土壤分形特征[J].水土保持研究,2010,17(06):220-223.
　GAO Jun-liang,LI Yu-bao,YU Yi,et al.Soil Fractal Characters under Different Land Use Patterns of Mu Us Sandy Land[J].Research of Soil and Water Conservation,2010,17(06):220-223.
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毛乌素沙地不同土地利用类型土壤分形特征

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 17 期数: 2010年06期 页码: 220-223 栏目: 出版日期: 2010-12-20
Title:
Soil Fractal Characters under Different Land Use Patterns of Mu Us Sandy Land
作者:
高君亮1, 李玉宝2, 虞毅3, 迟悦春4, 高永1
1. 内蒙古农业大学 生态环境学院, 呼和浩特 010019;
2. 温州大学 生命与环境学院, 浙江 温州 325027;
3. 国际竹藤网络中心, 北京 100102;
4. 鄂尔多斯市林业局, 内蒙古 东胜 017000
Author(s):
GAO Jun-liang1, LI Yu-bao2, YU Yi3, CHI Yue-chun4, GAO Yong1
1. College of Ecology and Environment, Inner Mongolia Agricultural University, Hohhot 010019, China;
2. College of life and Environmental Science, Wenzhou University, Wenzhou, Zhejiang 325027, China;
3. International Center for Bamboo and Rattan, Beijing 100102, China;
4. Forestry Bureau of Erdos, Dongsheng, Inner Mongolia 017000, China
关键词:
毛乌素沙地; 风蚀; 土地利用类型; 分形维数
Keywords:
Mu Us sandy land; wind erosion; land use pattern; fractal dimension
分类号:
S152.3;F301.24
摘要:
研究不同土地利用类型土壤分形特征，以期为沙地土壤风蚀的防治和生态建设提供理论指导。该文研究了毛乌素沙地7个典型样地的土壤分形维数，以及分形维数与土壤机械组成、土地利用类型、采样深度的关系。结果表明：（1）决定沙地土壤分形维数的主要是粉沙、极细沙和细沙的百分含量；粉沙与极细沙的百分含量和土壤分形维数呈极显著正相关关系，而细沙百分含量和土壤分形维数呈极显著负相关关系。（2）7种不同利用类型土地的土壤分形维数最大值为2.51，最小值为1.59；表层（0-10cm）土壤的平均分形维数介于1.85～2.34之间，且从大到小依次为：草地>固定沙丘>半固定沙丘>耕地1>耕地2>耕地3>流动沙丘。（3）土壤分形维数在7类土地上随着采样深度有不同程度的波动，但整体上均呈线性下降趋势。
Abstract:
The research was to provide theoretical guidance for the prevention of soil erosion and ecological construction by studying fractal characters of soil under different land use patterns of sandy land. Firstly soil fractal dimensions were discussed in seven typical sample plots on Mu Us sandy land. The relationship between fractal dimension and soil mechanical composition, as well as the relationship between land use patterns and sampling depths were analyzed in this paper. The results showed percentage composition of silt sands, superfine sands and fine sands dominates soil fractal dimension, percentage compositions of silt sands and superfine sands have very significant positive correlation with soil fractal dimension, but percentage composition of fine sands has very significant negative correlation with soil fractal dimension. Among the seven different land use patterns, the maximal soil fractal dimension is 2.51, the minimum is 1.59. The average soil fractal dimensions of top soil (0-10 cm) fall in between 1.85 and 2.34. These land use patterns range in accordance with the order of grass land>fixed dune>semi-fixed dune>farmland1>farmland2>farmland3>flowing sand. In the seven different sample plots, with different sampling depths, soil fractal dimensions have some degree of varying, but they demonstrate a linear descending trend on the whole.

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备注/Memo

收稿日期:2010-5-7
基金项目:国家自然科学基金（4096103，30771765）；中德国际科技合作项目（2008DFA32270）
作者简介:高君亮（1985- ），男，甘肃静宁人，硕士研究生，主要从事荒漠化防治的研究。E-mail：gaojunliang1985@163.com
通讯作者:高永（1962- ），男，内蒙古达茂旗人，博士，教授，研究方向：荒漠化防治。E-mail：gaoyong315@yahoo.com

更新日期/Last Update: 1900-01-01