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Academic Journal of Environment & Earth Science, 2022, 4(7); doi: 10.25236/AJEE.2022.040702.

Vegetation change trend and its influencing factors in Mongolia

Author(s)

Wurihan, Sainbuyan Bayarsaikhan

Corresponding Author:
Wurihan
Affiliation(s)

Department of Geography, School of Arts and Sciences, National University of Mongolia, Ulaanbaatar 14201, Mongolia

Abstract

Using the 1982-2015 GIMMS NDVI growing season (April-October) data, the average temperature and monthly precipitation data of 60 meteorological stations in the same period, the linear trend analysis method, the Mann-Kendall trend analysis method, the Pearson correlation the relationship between vegetation cover change and climate change in Mongolia and their response relationship were studied. The results show that in the past 34 years, the average NDVI of the growing season in Mongolia has gradually increased from south to north in space. From the seasonal point of view, the NDVI showed an increasing trend in all three seasons. From the impact of vegetation NDVI, the impact of precipitation on vegetation NDVI was greater than that of temperature. The response of different vegetation types to precipitation is greater than that of air temperature, and alpine grassland vegetation has a significantly effect on air temperature and precipitation.

Keywords

NDVI; vegetation type; air temperature; precipitation; temporal and spatial evolution characteristics

Cite This Paper

Wurihan, Sainbuyan Bayarsaikhan. Vegetation change trend and its influencing factors in Mongolia. Academic Journal of Environment & Earth Science (2022) Vol. 4 Issue 7: 11-16. https://doi.org/10.25236/AJEE.2022.040702.

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