Heterogeneity of Soil Characteristic about Different Vegetation Types in North of Ordos Plateau

LI Chao-sheng; YANG Xiao-hui; YU Chun-tang; CI Long-jun

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Heterogeneity of Soil Characteristic about Different Vegetation Types in North of Ordos Plateau

更新时间：2024-11-07

- Heterogeneity of Soil Characteristic about Different Vegetation Types in North of Ordos Plateau
- Vol. 20, Issue 5, Pages: 48-51(2006)
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  CLC： S158
- Published：2006
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LI Chao-sheng, YANG Xiao-hui, YU Chun-tang, et al. Heterogeneity of Soil Characteristic about Different Vegetation Types in North of Ordos Plateau[J]. 2006, 20(5): 48-51.
DOI：

LI Chao-sheng, YANG Xiao-hui, YU Chun-tang, et al. Heterogeneity of Soil Characteristic about Different Vegetation Types in North of Ordos Plateau[J]. 2006, 20(5): 48-51. DOI：

摘要

运用样带调查法对鄂尔多斯高原北部19个土壤剖面、68个土壤样品进行了取样，以比较和分析不同植被类型下各土壤要素的差异性。结果表明，流动沙丘与其它植被类型相比土壤颗粒较粗，有机质含量贫乏，速效钾和pH也较低，但全氮和速效磷的含量却相对较高；地带性植被的出现使土壤细粒成分显著增加、土壤养分有所改善；沙生植被的增加会显著增加土壤中细粒物质的含量，但多年生草本对风蚀的减缓作用低于灌木；对研究区而言，在基于水量平衡与提高土壤质量的前提下，选择合理的物种配置与立地条件是植被恢复与生态系统稳定的关键。

Abstract

In order to reveal the variability of soil factors about different vegetation types in North of Ordoas Plateau

68 soil samples were collected from 19 soil profiles according to the depth. The soil of moving dune has coarser granule

more total nitrogen and available phosphorus

but less organic content

available kalium and low er pH value. The soil fine particle and soil nutrient increase with the zonal vegetation. More vegetation cover make the soil particle finer in sand land

but the perennial herbage decrease the wind erosion less than shrub. In the study area

scientific distribution and habitat for artificial vegetation base on the water-balance accounting and soil quality improving is the most important key for vegetation restoration and ecosystem stability.

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WANG Zhao-yan1,ZUO Chang-qing1,CAO Wen-hong1,ZHENG Hai-jin2,SHAN Zhi-jie1(1.Chinese Institute of Water Resources and Hydropower Research,Beijing 100048,2.Jiangxi Provincial Research Insitute for Soil and Water Conservation,)

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