Klymchuk O. Seasonal changes of consortive relationship of birds in the forests of Central Polissya.

Dissertation is devoted to the process of forming the system of consortive relationships of birds in consortia of pine in clean pine, birch-pine forests and oak common in net oak and hornbeam-oak forests. Defined species composition of birds-consorts of trees in the investigated forests, their level of activity and changes in these parameters. 34 birds species and 7 types of bird-consortia core interaction were found during the year. The relationships are mostly topic and trophic. Phoric and phabric relationships of birds are inessential and have a spontaneous character. For the first time for the conditions of the Central Polissya identified features of the species composition, the level of activity of the birds- consorts in consortia of pine in clean pine, birch-pine forests and oak common in net oak and hornbeam-oak forests. From the point of view of the diversity of functional groups of birds, the rich is a consortia of the pine plantations in the spring-summer period and the consortium of oak stands in the autumn period. Functional structure is characterized by the dominance of the dendrophiles and significant changes of the ratio of yearlings and seasonal species. Zoophages are dominants among trophomorphs.