V. V. Zagorskaya, Y. S. Ravkin, I. P. Kokorina, M. I. Lyalina
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Spatial and Temporal Variability of the Bird Population of Ufa
Abstract
The results of year-round bird counts conducted in Ufa every 2 weeks for 3 years (2012–2014) on routes with a length of 5 km in each of the five sites (multistory buildings, in areas of old and new individual buildings, on streets, and in parks) are analyzed. Methods of cluster analysis have revealed the main trends of seasonal and territorial heterogeneity of the bird population. The informativeness of the representations is determined using a linear qualitative approximation of community similarity matrices (one of the methods of regression analysis). The selected seasonal aspects are compared with the phenological division according to the seasonal development of nature. The orientation of the constructed graphs in the factor space is compared with the results of nonmetric scaling. A map of seasonal and territorial heterogeneity of the surveyed ornithocomplexes has been compiled.
期刊介绍：
Contemporary Problems of Ecology is a multidisciplinary periodical that publishes original works on the following subjects: theoretical and methodical issues of ecology, regional aspects of ecology, regional ecological disasters, structure and functioning of ecosystems, anthropogenic transformation of ecosystems. All basic aspects of modern ecology, including the most complicated interactions between living organisms and their environment, are presented. Some of the journal issues are dedicated to global changes in biological diversity at various levels of organization (populations, species, ecosystems) principles and methods of nature conservation.
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