title: Changes in the structure of the bird population under the influence of anthropogenic factors in the valley of the River Ugam (Western Tien Shan)
abstract: The article addresses the issues of changes in the species composition and number of birds in the middle part of the valley of the Ugam River. The valley has been mastered by humans since ancient times, but due to its geographical location, the possibilities for conducting economic activities in it have always been limited, and its intensity has its own characteristics. Here, the location of the only settlement changed, orchards were planted and cut down, cattle were grazed everywhere or in the 
journal: Trudy of the Institute of Zoology RK