birds

QUANTITATIVE CHARACTERISTICS OF SEASONAL ASPECTS OF THE BIRD POPULATION IN KEMEROVO CITY AND ITS VICINITIES

On the basis of the data of year-round accounts in the city of Kemerovo and its vicinities in 1999 - 2001 a quantitative assessment of seasonal aspects of the bird population is given. Seasonal changes of the total number of birds, the specific diversity, the dominating species, the total biomass, the amount of the energy transformed by birds, their multistage distribution and faunistic composition are characterized and compared for all habitats surveyed.

HISTORY OF BIRD STUDIES IN THE VOLGOGRAD REGION

On the territory of the contemporary Volgograd region, bird studies began in the second half of the 18th century. First ones were conducted by the heads of large academic expeditions, namely: S. G. Gmelin (1771, 1777), I. I. Lepekhin (1771, 1795), and P. S. Pallas (1788). Therefore, this period of ornithological research can be called the “academic period”.

Northern Urals bird classification by similarity of their distribution and residence time

Year-round route surveys of birds on a flat section of the Pechora-Ilytch biosphere reserve were conducted in 1995–1997. In total, 7 habitats were surveyed for the two years, 1,500 km of counts were travelled, and 136 bird species were met. Using multidimensional factor analysis, it has been established that in the Northern Ural region, during their stay in the course of a year, 50 (37%), 70 (51%) and 16 species (12%) prefer wood, villages, and semi-open and open wetland habitats, respectively.