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Type of publication: Journal Article
Type of document: Full Paper

Year: 2021

Authors: Bialas, JT; Dylewski, Ł; Dylik, A; Janiszewski, T; Kaługa, I; Królak, T; Kruszyk, R; Pawlukojć, K; Pestka, Z; Polakowski, M; Zbyryt, A; Tobolka, M

Title: Impact of land cover and landfills on the breeding effect and nest occupancy of the white stork in Poland.

Source: Scientific reports 2021; 11: 7279-

Authors Vetmeduni Vienna:

Tobolka Marcin

Vetmed Research Units
Konrad Lorenz Institute of Ethology, Unit of Ornithology

Food wastes are among the factors with the greatest effects on animal populations. The white stork is among bird species that clearly profit from feeding at landfills, at least in Western Europe and North Africa. However, the rate and the consequences of this feeding are still unknown in the Central-Eastern European population, which differs from the western population not only in terms of migration routes but also in the greater availability of suitable natural breeding habitats due to less intensified agriculture. The aim of the study was to describe the use of landfills and its consequences in terms of probability of nest occupation and breeding effects in different regions of Poland. Although the most important factors influencing nest-site selection and breeding effect are still habitat quality and weather conditions, distance to landfills is important in selection of nest sites. White storks use landfills most intensively late in the breeding season, independently of the density of breeding pairs. The results suggest that the use of landfills is not currently essential in the Central-Eastern European population of the white stork, does not affect breeding effect, and may be more frequent in non-breeders. However, this phenomenon is still developing and requires continuous monitoring.

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