This article presents a medium-scale map of the forage areas of the Kaskakulan cluster area of the Barsakelmes Nature Reserve, where wild ungulates, kulans, saigas, and goitered gazelles, live. The map was designed using data from ground surveys and remote sensing. The author's technique and a set of spectral indices were used for processing satellite data. Maps of seasonal rangeland yields, which were considered when calculating the total yield, were designed based on the interpretation of space images. The legend to the Rangeland map is a system of headings that take into account zonality, ecological and physiognomic types of vegetation, and soil conditions. Types of rangelands are reflected in the legend by 15 numbers; for each the total yield for the seasons of the year is given. The map can be used to assess the grazing capacity of the territory and calculate the allowable number of wild ungulates to maintain ecosystems in a balanced state.
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