Theoretical foundations of the study of Siberian roe deer (Capreolus pygargus) with the help of the photoregistering devices in the cluster "Small Abakan" of the reserve "Khakassky"

. The necessity to study Siberian roe deer populations in Khakassia with the help of photoregistrators is connected with the outlined tendency of poaching extermination of the once numerous population groupings of this hoofed animal in the region.