| Abstrakt: |
An analysis of the changes in vegetation cover on the territory of the Republic of Khakassia in 2000–2021 due to climatic trends was carried out based on the MODIS data. The changes in vegetation cover were estimated based on trends in Normalized Difference Vegetation Index (NDVI) and Enhanced Vegetation Index (EVI). In general, in the 21st century, an increase in the biomass of vegetation cover is observed. Positive trends were observed in 16%–22% of the territory, and negative only in 1%–3%. For about 20% of the analyzed territory, a significant influence of climate on the changes in vegetation cover was revealed. The most pronounced negative impact on vegetation cover was caused by summer air and soil temperatures, spring temperature, and summer winds, and the positive impact was caused by summer precipitation and soil moisture. The response of the vegetation cover to climate was non-uniform concerning the topography. Thus, a significant correlation with the amount of precipitation was observed for ∼20%–35% of vegetation growing below 600 m above sea level and for less than 5% above this elevation. The negative effect of summer temperatures on plants prevailed mainly at an elevation below ∼1400 m above sea level. Projected climate change is likely to lead to significant degradation of vegetation in the steppe and forest-steppe in Khakassia in the coming decades. [ABSTRACT FROM AUTHOR] |
Full text from SpringerLink