Soil Physical and Chemical Properties of Nebkhas on Slopes in Bashang Region of Hebei Province

HU Guoyun; GUO Zhongling; WANG Rende; WANG Hongying; QIU Mengru; ZHOU Hongyan; GAO Hailou; CHANG Chunping

doi:10.13961/j.cnki.stbctb.2016.04.054

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Soil Physical and Chemical Properties of Nebkhas on Slopes in Bashang Region of Hebei Province

- Soil Physical and Chemical Properties of Nebkhas on Slopes in Bashang Region of Hebei Province
- Bulletin of Soiland Water Conservation Vol. 36, Issue 4, Pages: 315-319(2016)
- 作者机构：
  
  1. 河北师范大学资源与环境科学学院河北省环境演变与生态建设省级重点实验室,河北,石家庄,050024
  2. 河北省科学院地理科学研究所,河北,石家庄,050011
  3. 保定长城汽车股份有限公司,河北,保定,071000
- 作者简介：
- 基金信息：
- DOI：10.13961/j.cnki.stbctb.2016.04.054
  CLC：
- Published：2016
- 稿件说明：
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HU Guoyun, GUO Zhongling, WANG Rende, et al. Soil Physical and Chemical Properties of Nebkhas on Slopes in Bashang Region of Hebei Province[J]. Bulletin of Soiland Water Conservation, 2016, 36(4): 315-319.
DOI：

HU Guoyun, GUO Zhongling, WANG Rende, et al. Soil Physical and Chemical Properties of Nebkhas on Slopes in Bashang Region of Hebei Province[J]. Bulletin of Soiland Water Conservation, 2016, 36(4): 315-319. DOI： 10.13961/j.cnki.stbctb.2016.04.054.

摘要

[目的] 揭示河北省坝上地区低山坡地不同坡向和坡位小叶锦鸡灌丛沙堆土壤理化性质变化规律，为坡地草地生态环境稳定提供理论依据。[方法] 基于对山坡638个灌丛沙堆野外测量和86个室内土样分析的数据，运用地统计学和样品室内分析的方法。[结果]（1）从低山坡脚到坡顶，灌丛沙堆pH值、粗砂、中砂和细砂总含量逐渐减少，粉砂、极细砂逐渐增加；有机质、全氮和全磷含量逐渐增加。（2）迎风坡不同坡位上灌丛沙堆表面颗粒中粗砂、中砂、细砂总含量大于背风坡相同坡位，极细砂和粉砂小于背风坡相同坡位。表面的土壤养分（有机质、全氮和全磷）为迎风坡坡脚大于背风坡坡脚，迎风坡坡中和坡顶的灌丛沙堆土壤养分含量小于背风坡坡中和坡顶灌丛沙堆，但是pH值变化与灌丛沙堆养分变化趋势相反。[结论] 受坡位和坡向的影响，灌丛沙堆土壤理化性质空间分布具有一定的差异性。

Abstract

[Objective] The soil physical and chemical properties of Caragana Nebkhas were analyzed in different slope position and slope direction at the he Bashang area of Hebei Province in order to keep the slope eco-environment stabile . [Methods] Investigation data of 638 nebkhass and assay data of 86 soil samples were analyzed by geo-statistics. [Results] From the top to the foot of the investigated hills

contents of coarse sand

medium sand and fine sand and pH value gradually decreased

whereas

contents of clay

silt

organic matter

total N and total P showed an increased trend. Soil particle composition was different for slope wind exposure

the contents of coarse sand

medium sand and fine sand in the windward slope of nebkhas were greater than the corresponding values in the leeward slope; Comparatively

contents of very fine sand and silt were less than that in the leeward slope. Soil nutrients(organic matter

total N and total P content) in the foot of windward slope were greater than that in the foot of leeward slope; However

in the middle and top of the windward slope were less than the corresponding values of the leeward slope. pH value had a reverse trend. [Conclusion] Soil properties of nabkhas are different in different slope positions and directions resulted from wind-involved pedogenesis.

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