seasonal aspect

Seasonal aspectivity of the bird population in the Yelabuga City

On the basis of our year-round bird counts in the Yelabuga City located in the northeastern part of the Republic of Tatarstan from 16.10.2010 till 15.10.2012, a seasonal periodization of the population was revealed. The validity of our surveys and variations of the boundaries of the periods and their amount were analyzed. 9 common seasonal aspects of the bird population were found for all habitats in the city. Their description averaged over the city is given. Features of the intra-annual ornithocomplex dynamics were revealed.