Journal of Geographical Sciences

, Volume 28, Issue 5, pp 595–610 | Cite as

Analyzing vegetation dynamic trend on the Mongolian Plateau based on the Hurst exponent and influencing factors from 1982–2013

  • Siqin Tong
  • Jiquan Zhang
  • Yuhai Bao
  • Quan Lai
  • Xiao Lian
  • Na Li
  • Yongbin Bao
Article
  • 18 Downloads

Abstract

This study analyzed the spatial and temporal variations in the Normalized Difference Vegetation Index (NDVI) on the Mongolian Plateau from 1982–2013 using Global Inventory Modeling and Mapping Studies (GIMMS) NDVI3g data and explored the effects of climate factors and human activities on vegetation. The results indicate that NDVI has slight upward trend in the Mongolian Plateau over the last 32 years. The area in which NDVI increased was much larger than that in which it decreased. Increased NDVI was primarily distributed in the southern part of the plateau, especially in the agro-pastoral ecotone of Inner Mongolia. Improvement in the vegetative cover is predicted for a larger area compared to that in which degradation is predicted based on Hurst exponent analysis. The NDVI-indicated vegetation growth in the Mongolian Plateau is a combined result of climate variations and human activities. Specifically, the precipitation has been the dominant factor and the recent human effort in protecting the ecological environments has left readily detectable imprints in the NDVI data series.

Keywords

remote sensing GIMMS NDVI3g vegetation dynamic trend Hurst exponent residual trend analysis Mongolian Plateau 

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Copyright information

© Institute of Geographic Science and Natural Resources Research (IGSNRR), Science China Press and Springer-Verlag GmbH Germany, part of Springer Nature 2018

Authors and Affiliations

  • Siqin Tong
    • 1
    • 2
    • 3
  • Jiquan Zhang
    • 1
    • 2
  • Yuhai Bao
    • 3
    • 4
  • Quan Lai
    • 1
    • 3
    • 4
  • Xiao Lian
    • 5
  • Na Li
    • 1
  • Yongbin Bao
    • 1
  1. 1.School of EnvironmentNortheast Normal UniversityChangchunChina
  2. 2.Key Laboratory for Vegetation EcologyMinistry of EducationChangchunChina
  3. 3.College of GeographyInner Mongolia Normal UniversityHohhotChina
  4. 4.Inner Mongolia Key Laboratory of Remote Sensing and Geographic Information SystemsInner Mongolia Normal UniversityHohhotChina
  5. 5.Graduate School of Life and Environmental SciencesTsukuba UniversityIbarakiJapan

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