The role of forest age, habitat quality, food resources and weather conditions for Tawny Owl Strix aluco populations

• Autorzy: Wiacek J. , Polak M. , Grzywaczewski G.
• Języki publikacji: EN

Abstrakty

EN

The main goal of this study was to determine the reason for the significant increase of the tawny owl Strix aluco population in Kozłówka Forest near Lubartów (51°30' N, 22°35' E) in eastern Poland. Since 1990, this forest complex has been part of Kozłowiecki Landscape Park. Our research was conducted using standard playback method on a sample plot covering 50 km2. Each year in March and April 1990-91 and 2007-09, three counts with vocal stimulation were performed on the study plot. Between 1991 and 2009, a significant increase in the density of the tawny owl population was observed from 2.4 pairs/10 km2 to 4.6 pairs/10 km2. We discuss how habitat quality, food availability, and weather conditions can explain this phenomenon.

Słowa kluczowe

EN

Tawny Owl; Brown Owl zob.Tawny Owl; animal population; bird; forest age; habitat quality; food resource; weather condition; Strix aluco; population trend

• Wydawca: -
• Czasopismo: Polish Journal of Environmental Studies
• Rocznik: 2010
• Tom: 19
• Numer: 5
• Opis fizyczny: p.1039-1043,fig.,ref.

Twórcy

autor

Wiacek J.

• Department of Nature Conservation, Maria Curie-Sklodowska University, Akademicka 19, 20-033 Lublin, Poland

autor

Polak M.

• Department of Nature Conservation, Maria Curie-Sklodowska University, Akademicka 19, 20-033 Lublin, Poland

autor

Grzywaczewski G.

• Department of Zoology, University of Life Sciences in Lublin, Akademicka 13, 20-950 Lublin, Poland

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