Spatial Autocorrelation and Its Dominant Factors of Soil pH Value in Guahua Demonstration Zone

YIN Hui; LI Hui; JIANG Zhongcheng

doi:10.13961/j.cnki.stbctb.2015.05.100

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Spatial Autocorrelation and Its Dominant Factors of Soil pH Value in Guahua Demonstration Zone

- Spatial Autocorrelation and Its Dominant Factors of Soil pH Value in Guahua Demonstration Zone
- Bulletin of Soiland Water Conservation Vol. 35, Issue 5, Pages: 183-188(2015)
- 作者机构：
  
  1. 惠州学院旅游系,广东,惠州,516007
  2. 广西师范大学环境与资源学院,广西,桂林,541004
  3. 中国地质科学院岩溶地质研究所,广西,桂林,541004
- 作者简介：
- 基金信息：
- DOI：10.13961/j.cnki.stbctb.2015.05.100
  CLC：
- Published：2015
- 稿件说明：
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YIN Hui, LI Hui, JIANG Zhongcheng. Spatial Autocorrelation and Its Dominant Factors of Soil pH Value in Guahua Demonstration Zone[J]. Bulletin of Soiland Water Conservation, 2015, 35(5): 183-188.
DOI：

YIN Hui, LI Hui, JIANG Zhongcheng. Spatial Autocorrelation and Its Dominant Factors of Soil pH Value in Guahua Demonstration Zone[J]. Bulletin of Soiland Water Conservation, 2015, 35(5): 183-188. DOI： 10.13961/j.cnki.stbctb.2015.05.100.

摘要

[目的] 探索空间异质性较大的岩溶区的土壤pH值空间自相关尺度及其空间结构

分析影响典型岩溶区土壤pH值空间结构的主要环境因子。[方法] 应用经典统计学方法与"3S"技术。[结果] 不同深度土壤pH值的空间分布均存在高度的正向全局空间自相关和明显的空间聚集区

各深度土壤pH值的空间孤立区分布较少;影响不同深度土壤pH值空间分异的环境因子排序为:植被覆盖度 >石漠化程度 >地质背景。[结论] 土壤pH值的空间分异受到了不同植被覆盖条件下酸性物质含量的影响。石漠化程度和地质背景对土壤pH值的影响

实质上是典型岩溶环境的综合反映。

Abstract

[Objective] This paper aims to demonstrate the spatial autocorrelation and the pattern of soil pH value in order to find the main influencing environmental factors.[Methods] Classical statistics and 3S technology were used.[Results] The spatial distribution of soil pH value in different soil depth showed a highly positive spatial autocorrelation and had obvious spatial clusters

nearly no isolated distribution was found. The factors influencing the spatial distribution of soil pH value in different soil depth ranked as:vegetation coverage

rocky desertification and geological background.[Conclusion] The spatial heterogeneity of soil pH value was affected by the content of acid materials under different vegetation covers

and the influence of rocky desertification and geological background on soil pH value is a comprehensive reflection of typical karst environment.

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