In the monograph at present, the study of small mammal populations in the ecosystem, as well as insufficient attention paid to such species from a scientific point of view, requires in-depth study as an indicator in the study of the state of the environment, not only in Uzbekistan, but in all developed countries. It is known that small mammals actively participate in the food chain in nature and have their own place.

Proceeding from this, the monograph is built on the use of modern ecological methods and publication of results in leading scientific publications, discussion and confirmation by leading specialists in the study of ecological features of the population of small mammals of forest ecosystem. Statistical processing of data is carried out using a set of practical statistical programs and standard methods, as well as presented the results of research conducted on substantiation.

The book is addressed to scientists, teachers of higher educational institutions, doctoral students, master's students, undergraduate students, as well as interested in the problem of the Aral ecological crisis and issues of solving the ecological consequences on the biota of the Aral Sea region. .