Home – Home – Jornals – Contemporary Problems of Ecology 2007 number 4

Demographic characteristics (age structure, increase in population, female prolificacy) of sables in the Trans-Ural region are investigated on the basis of the data collected during the years 1951-1968 and 1978-1990. The revealed statistically valid differences in the parameters allow concluding that a substantial intensification in the reproduction process in sables occurred in the region in the end of the XX century, and the cyclic character of number dyn