Effect of grazing on vegetation and soil nutrients of adesert steppe in Inner Mongolia

Na Liu; Ke-yu Bai; Yun-hui Yang; Rui-yang Zhang; Rui-yang Zhang; Guo-dong Han; Guo-dong Han

doi:10.11829/j.issn.1001-0629.2017-0634

Pratacultural Science > 2018 > 12(6): 1323-1331. > DOI: 10.11829/j.issn.1001-0629.2017-0634

Na Liu, Ke-yu Bai, Yun-hui Yang, Rui-yang Zhang, Rui-yang Zhang, Guo-dong Han, Guo-dong Han. Effect of grazing on vegetation and soil nutrients of adesert steppe in Inner Mongolia[J]. Pratacultural Science, 2018, 12(6): 1323-1331. DOI: 10.11829/j.issn.1001-0629.2017-0634

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Effect of grazing on vegetation and soil nutrients of adesert steppe in Inner Mongolia

1.
Institute of Agricultural Resources and Regional Planning, Chinese Academy of Agricultural Sciences,Beijing 100081, China
2.
1. Institute of Agricultural Resources and Regional Planning, Chinese Academy of Agricultural Sciences,Beijing 100081, China
3.
2. Bioversity International East Asia office, Beijing 100081, China
4.
5.
College of Ecology and Environment Science of Inner Mongolia Agricultural University,Hohhot 010021, Inner Mongolia, China

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Received Date: November 16, 2017
Revised Date: March 14, 2018
Published Date: June 19, 2018

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Abstract

Abstract

The effect of grazing on vegetation and soil nutrients during growing season were examined in a desert steppe in Inner Mongolia. There were four treatments: no grazing (CK), light grazing (LG), moderate grazing (MG), and heavy grazing (HG). The results of the study indicated that with increased grazing intensity, the aboveground biomass declined significantly. In August, as compared with CK, the aboveground biomass of LG, MG, HG decreased by 7.47%, 41.96%, and 51.75%, respectively. There was no significant change in the biodiversity of grassland vegetation communities; however, with increased grazing intensity, the richness decreased. Grazing intensity had no significant impact on soil organic matter and total nitrogen in the short term. The biodiversity of grassland and the organic matter in the surface of the soil were negatively correlated.
- desert steppe,
- grazing,
- aboveground biomass,
- diversity,
- soil nutrient

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References

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