Population age structure Juniperus polycarpos C. Koch in arid conditions of Foothill Dagestan (dubkinsko-miatlinsky area)

The age composition of the population rare tree species Juniperus polycarpos C. Koch in Foothill Dagestan was studied according to calendar individuals and their states. is determined by an index obtained as number annual rings per unit radial growth trunk. Age states were assessed vitality, productivity, infestation size individuals. area occupied population, phytocenotic confinement have been established. Biomorphological biometric indicators, absolute various quantitative ratio determined. Revealed coincidence groups terms structure spectrum, with a characteristic right-sided trend. young, full-bodied, high level renewability.