Abstract
The North-Eastern part of Russia is a large territory with a harsh climate. Here temperature range from -65 C to +35 C. Soil is cryosolic and pale-yellow. Native people living on that territory cultivate crops, breed horses, reindeers, and livestock animals. More than 90% of agriculturally used areas is a forage land. The article describes topical issues of range lands use – useless lands, areas with difficult access, the anthropogenic effect on range lands fertility. The evaluation method is recommended for research. Practical value is caused by the approbation of the evaluation method using modern geoinformation technologies. Also, the article shows the mathematical and economical model of forage lands use based on the method. The article concludes that modern information technologies contribute to an increase in forage lands use effectiveness.
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