黄土高原典型植被群落对土壤表面电化学性质的

影响及其空间差异杨亚楠; 刘均阳; 王佩佩; 杨晓晶; 周正朝

doi:10.13870/j.cnki.stbcxb.2022.03.049

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黄土高原典型植被群落对土壤表面电化学性质的

更新时间：2026-04-09

- 黄土高原典型植被群落对土壤表面电化学性质的
- Effects of Typical Vegetation Communities on Soil Surface Electrochemical Properties and Their Spatial Difference on the Loess Plateau
- 水土保持学报 2022年36卷第3期页码：345-351
- 作者机构：
- 作者简介：
- 基金信息：
  
  国家自然科学基金项目(41977061);陕西省重点研发计划项目(2021ZDLSF05-02)
- DOI：10.13870/j.cnki.stbcxb.2022.03.049
  中图分类号： S153.2
- 网络首发：2022-05-27，
  
  纸质出版：2022
- 稿件说明：
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影响及其空间差异杨亚楠, 刘均阳, 王佩佩, 等. 黄土高原典型植被群落对土壤表面电化学性质的[J]. 水土保持学报, 2022,36(3):345-351.

YANG Yanan, LIU Junyang, WANG Peipei, et al. Effects of Typical Vegetation Communities on Soil Surface Electrochemical Properties and Their Spatial Difference on the Loess Plateau[J]. 2022, 36(3): 345-351.
影响及其空间差异杨亚楠, 刘均阳, 王佩佩, 等. 黄土高原典型植被群落对土壤表面电化学性质的[J]. 水土保持学报, 2022,36(3):345-351. DOI： 10.13870/j.cnki.stbcxb.2022.03.049.

YANG Yanan, LIU Junyang, WANG Peipei, et al. Effects of Typical Vegetation Communities on Soil Surface Electrochemical Properties and Their Spatial Difference on the Loess Plateau[J]. 2022, 36(3): 345-351. DOI： 10.13870/j.cnki.stbcxb.2022.03.049.

摘要

为探究黄土高原不同区域典型植被生长对土壤表面电化学性质的影响

以黄土高原自南向北的3个典型区域(永寿墚、坊塌、六道沟)及2种典型乡土草本植物(铁杆蒿(Artemisia gmelinii Web.)、长芒草(Stipa bungeanaTrin.))为研究对象

以退耕1年的撂荒地作为对照

通过土壤样品采集和土壤表面电化学性质的测定

研究典型植被群落对土壤表面电化学性质的影响及其空间差异。结果表明:(1)在黄土高原地区

相较于撂荒地

典型植被群落生长使土壤黏粒、粉粒、有机质含量增加

土壤pH、容重、砂粒含量减少;(2)同一区域内

相较于撂荒地

植被恢复促进了土壤阳离子交换量、比表面积的增加

减少了表面电荷密度和表面电场强度

其变化范围分别为6.69~24.34 cmol/kg

[JP]7.29~182.29 m2/g

0.08~2.04 C/m2

1.23~28.46 108 V/m;不同区域间

同一植被群落下永寿墚土壤阳离子交换量、比表面积的增量最高

而六道沟土壤表面电化学性质的变化率最高

说明典型植被群落对土壤表面电化学性质的影响具有空间差异性;(3)典型植物群落下土壤粉粒含量和有机质含量与土壤表面电化学性质具有显著的相关性

其变化是影响黄土高原地区土壤电化学性质变化的主要原因

解释率分别为61.0%

11.1%。研究结果为认识黄土高原地区植被恢复及其调控作用提供参考。

Abstract

In order to investigate the influence of typical vegetation growth to the soil surface electrochemical properties of soil surface in different regions of loess Plateau

Taking three typical regions from south to north on the Loess Plateau (Yongshouliang

Fangta

Liudaogou) and two typical herbaceous plants (Artemisia gmelinii Web.

Stipa bungeana Trin.) as research objects

and the abandoned land for one year as the control

the effect of two typical herbaceous plants on soil surface electrochemical properties and their spatial difference were analyzed based on collecting soil samples and measuring the soil surface electrochemical properties. The results showed that:(1) On the Loess Plateau

compared with the abandoned land

the growth of typical vegetation communities increased the contents of clay

silt and organic matter in soil

while decreased the content of pH

bulk density and sand. (2) In the same region

Soil cation exchange capacity and specific surface area increased and surface charge density and surface electric field intensity decreased with vegetation restoration

varying in the range of 6.69~24.34 cmol/kg

7.29~182.29 m2/g

0.08~2.04 C/m2

1.23~28.46 108V/m. In different regions

with the influence of the same plant species

soil cation exchange capacity and specific surface area increased the most in Yongshouliang

and the rates of soil surface electrochemical properties change were the greatest in Liu daogou. It indicated that the influence of typical herbaceous plants on soil surface electrochemical properties has spatial heterogeneity

which may be attributed to the climate

soil texture

and other factors. (3) Silt content and organic matter content were the main contributors to soil surface electrochemical properties on the Loess Plateau due to their significant correlation and the change was the main reason for the change of soil electrochemical properties on the Loess Plateau

explaining 61.0% and 11.1% of the changes

respectively.

关键词

Keywords

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