Katarzyna Żółkoś

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We analysed hydrographic and habitat factors influencing the location of 207 colonies of the grey heron Ardea cinerea in Poland. We compared areas of particular habitats in three buffers around colonies (0-1, 0-10, 0-20km) among eight regions differing in their proportions of studied habitats. We found the highest inter-region dissimilarities in areas(More)
This work presents the results of studies aimed at assessing the median and maximum distances covered by wild mallards (Anas platyrhynchos; n = 38), hypothetically infected with the high pathogenicity avian influenza virus (HPAIV) during spring migrations, using GPS-GSM tracking and published data on the susceptibility to HPAIV infection and duration of(More)
Birds select habitats on the basis of structural characteristics, food and nest-site availability or other features that affect survival and reproduction. This study investigates factors influencing colony re-occupation, the number of nests in 2013 and changes in the numbers of nest between 2004 and 2013 in re-occupied colonies of Grey Herons Ardea cinerea(More)
Flora of the still unchanged or slightly modified floodplains is particularly valuable. Such are the natural, periodically flooded riparian ecosystems within the Mid-Pripyat river valley in Belarus. Distinctive elements of that area are ‘periodic islands’, which arise from the most elevated parts of the riverbed during flooding and have a specific(More)
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