Effects of Land Use Patterns on Soil Moisture in Semiarid Loess Region
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    Abstract:

    In the semiarid loess hilly region,the condition of soil moisture under different land use patterns is of importance to agricultural production,vegetation restoration and rational land use.Results from the analysis of soil moisture data under different land use patterns in Sunjiacha watershed show that soil water content on the north-facing slope was higher than the south-facing slope.Soil moisture contents at different depths in the enclosed land of the hill top zone were higher than farmland.The average moisture content in farmland of the gentle slope zone(<15°)was higher than the abandoned field.Soil moisture content of surface layer(0-80cm)in shrub land was higher than the abandoned field,but of the deeper layer(80-180cm),was lower than barren slope.The average soil water content in pine woodland was higher than apricot forest.These indicated that in the semiarid loess hilly region,terrace's water conservation benefit is the best;apricot forest has higher water consumption than pine woodland and thus,is not suitable for the large scale planting without irrigation conditions;Caragana microphylla can significantly improve surface soil water status and sufficiently use the deeper soil moisture;and in the gentle slope zone,planting crops can enhance soil moisture better than the abandonment.

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费喜亮,张新民,邢贵,景凌云.土地利用格局对半干旱黄土区土壤水分的影响[J].水土保持通报英文版,2013,(3):74-78

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History
  • Received:May 18,2012
  • Revised:July 19,2012
  • Adopted:
  • Online: November 12,2014
  • Published: