Dynamics of Demographic Indicators during the Population Cycle Microtus Ilaeus in the Low of the Amudarya

S. SH. Yeshchanova, S. M. Mambetullaeva

Abstract: The article presents the results of studies of demographic indicators of the Microtus Ilaeus population. It is shown that Microtus Ilaeus is a stenobiont species, too demanding on the Amu Darya hydro mode, feed conditions. In recent years, unfavorable for breeding years, fertility has also decreased to 3.8 embryos per female. Genus and age structure also varies by year and season.

Keywords: lower reaches of the Amu Darya, Microtus Ilaeus, ageand genus composition, reproduction, feed conditions