The nesting ornito-population of the meadows of the Nixhny Novgorod region (at the example of the Borsky and Lyskovsky districts)

The article deals with the analysis of the communities of the mosaic meadow copses at the place of the former cordons of the State Natural Biosphere Reserve “Kerzhensky” and the meadow ground at the place of the overgrown irrigation channels in the Lyskovsky district of the Nizhny Novgorod region in the process of considering the nesting ornito-population. To evaluate the ornithofauna there were calculated the indexes, characterizing α- and β- diversity.