Specific compound and biotopical coordinates of small mammals from entomophagous and rodents group in territory of Ulyanovsk oblast

Small mammals are widely used as modelling populations in synecology, being the important part in land ecosystems. In territory of Ulyanovsk oblast this group of organisms regularly was not studied. In article results of field researches and the analysis of contemporary records of Center of hygiene and epidemiology in Ulyanovsk oblast on a specific compound, numerosity and domination of mammals from entomo-phagous and rodents group for 1972-2008 are presented.