Abstract
The aim of the study is to analyse the distribution and the potential range of Gentianopsis barbata (Froel.) Ma in the Southern Urals. Maxent software was used for modeling. BIOCLIM (CHELSA) climate variables as well as the variables of a digital elevation model were used as predictors for modeling. The results of the potential range modeling have shown that despite being confined to habitats with a high moisture regime, high habitat suitability for this species is found mainly in areas with a fairly arid climate. At the same time, the main habitats of G. barbata are connected with slightly saline wet meadows located in floodplains of steppe rivers, along lake shores and mainly used as hayfields. Thus, moisture variability associated with interannual fluctuations in temperature and precipitation can weaken competition with other species and create suitable conditions for seed regeneration of this annual and biennial species.
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