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Effects of Grazing Exclusion on Soil Properties and on Ecosystem Carbon and Nitrogen Storage in a Sandy Rangeland of Inner Mongolia, Northern China

Author

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  • Yinping Chen

    (Lanzhou Jiaotong University, School of Environmental and Municipal Engineering)

  • Yuqiang Li

    (Chinese Academy of Sciences, Cold and Arid Regions Environmental and Engineering Research Institute)

  • Xueyong Zhao

    (Chinese Academy of Sciences, Cold and Arid Regions Environmental and Engineering Research Institute)

  • Tala Awada

    (University of Nebraska, School of Natural Resources)

  • Wen Shang

    (Chinese Academy of Sciences, Cold and Arid Regions Environmental and Engineering Research Institute)

  • Juanjuan Han

    (Chinese Academy of Sciences, Cold and Arid Regions Environmental and Engineering Research Institute)

Abstract

The Horqin sandy rangeland of northern China is a seriously desertified region with a fragile ecology. The sandy alluvial and aeolian sediments have a coarse texture and loose structure and are therefore vulnerable to damage caused by grazing animals and wind erosion. We investigated whether grazing exclusion could enhance ecosystem carbon (C) and nitrogen (N) storage and thereby improve overall soil quality. We compared soil properties, C and N storage in biomass (aboveground and below-ground), and the total and light fraction soil organic matter between adjacent areas with continuous grazing and a 12-year grazing exclosure. The soil silt + clay content, organic C, total Kjeldahl N, available N and K, and cation-exchange capacity were significantly (P

Suggested Citation

  • Yinping Chen & Yuqiang Li & Xueyong Zhao & Tala Awada & Wen Shang & Juanjuan Han, 2012. "Effects of Grazing Exclusion on Soil Properties and on Ecosystem Carbon and Nitrogen Storage in a Sandy Rangeland of Inner Mongolia, Northern China," Environmental Management, Springer, vol. 50(4), pages 622-632, October.
    • Handle: RePEc:spr:envman:v:50:y:2012:i:4:d:10.1007_s00267-012-9919-1
    DOI: 10.1007/s00267-012-9919-1
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