Modeling the potential distribution range of Barbastella walteri (Barbastella: Chiroptera, Vespertilionidae) in the Central Asian region based on bioclimatic dataстатья
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Аннотация:Barbastella walteri is one of the rarest and poorly researched Chiroptera species in central Asia.This paper presents a geoinformation system (GIS) model of the potential B. walteri distribution range in thecentral Asian region produced with the MaxEnt software. The analysis is based on the geographical coordinatesof 57 B. walteri registration points and bioclimatic data available in the WorldClim 2 database. The producedmodel is consistent with the known B. walteri registration points. The distribution range does not forma continuous area but consists of separate sections associated with localities distinguished by the most optimalclimatic parameters. These sections are confined to the foothills and valleys used by the species to penetratethe mountains up to an altitude of 2500 m above sea level (Baltic Elevation System). In addition to the alreadyknown habitats of the species, the model predicts its distribution in western Iran and eastern Turkey. The producedmodel is based on 19 bioclimatic variables used in the WorldClim 2 database; six of them turned out tobe the most important abiotic factors making the maximum (95%) contribution to the model: isothermality,temperature seasonality, minimum temperature of coldest month, mean temperature of driest quarter, meantemperature of coldest quarter, and precipitation of the warmest quarter. The interpretation of these parametersis consistent with the actual habitat conditions of the species. B. walteri is most likely to occur in areaswhere the climate is sufficiently hot, the amount of precipitation in the summer period is very small, and thetemperature rarely drops below zero in the coldest months.