Modelling of Potential Distribution of Helichrysum nuratavicum Krasch (Asteraceae) in Uzbekistan
2021
The strong impact of climate change on the distribution of plant species on Earth is currently of great interest in the field of biogeography. In this research work, the endemic Helichrysum nuratavicum plant from the flora of Uzbekistan was selected to be studied. For current and future climatic scenarios for H. nuratavicum, the real and potential areal was assessed based on high-precision environmental data, geographical distribution, ecology, data of the National Herbarium of Uzbekistan (TASH) and the results of scientific field research, annual precipitation and average temperature ratios using Diva-GIS, Maxent program. In this case, the distribution was assessed on the basis of environmental factors, and the areas with the most optimal conditions were predicted according to climate change scenarios, the distribution of the species rcp 8.5. Based on the climatic scenario, and also the maps representing the distribution of the species were created. The results of our research have shown that areas with an optimal climatic index of the geographical area of the species will expand to the south in all future scenarios.
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