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Population density and breeding ecology of the house martin Delichon urbica in Pomerania (NW Poland)
Subtitle:Acta Ornithologica, vol. 36, no. 1 ; Ekologia lęgowa oknówki na Pomorzu ; Breeding of the house martin
Creator:Górska, Ewa (ornitologia)
Contributor:Polska Akademia Nauk. Muzeum i Instytut Zoologii ; Meeting of the European Ornithologists' Union (2 ; 1999 ; Gdańsk)
Publisher:Muzeum i Instytut Zoologii PAN
Place of publishing: Date issued/created: Description:Referat wygłoszony na Second Meeting of the European Ornithologists' Union ; Bibliogr. p. 83 ; P. [79]-84 : ill. ; 27 cm ; Abstract in Polish
Type of object: Subject and Keywords:House Martin ; breeding biology ; breeding ecology ; Poland ; Pomerania ; breeding birds ; congresses ; population density ; swallows ; birds ; Delichon urbica ; Hirundinidae ; Aves ; 1985-95
Abstract:Studies were carried out in 23 rural sample plots in NW Poland in 1985-1995 (total study area - 5 117 km2, including 635 villages and other settlements). The density of the breeding population in the overall landscape varied between 2.2 and 16.2 nests/km2, and in built-up areas from 207 to 1303 nests/km2. In the first brood, begun in mid-May, the average clutch was 3.99 eggs; 47% of clutches contained 4 eggs, 23% - 3 eggs and 21% - 5 eggs. In the second brood the average clutch was 3.61 eggs. Clutches of 4 and 3 eggs accounted for 49 and 26% respectively of the total number of clutches. 49% of pairs from the first broods were also involved in second ones. Hatching success (number of young hatched compared with the number of eggs laid) was 94.3% in the first brood and 95.8% in the second. Fledging success (number of young fledged compared to the number hatched) was 97.5% and 95.1% respectively and final breeding success (number of fledglings compared to the number of eggs laid) was 91.9% and 91.2%. A statistical pair produced 5.3 young per breeding season.
Relation: Volume: Issue: Start page: End page: Resource type: Detailed Resource Type: Format: Source:MiIZ PAN, call no. P.257, Vol. 36, No 1 ; MiIZ PAN, call no. P.4568, Vol. 36, No 1 ; click here to follow the link
Language: Rights:Rights Reserved - Restricted Access
Terms of use: Digitizing institution:Museum and Institute of Zoology of the Polish Academy of Sciences
Original in:Library of the Museum and Institute of Zoology of the Polish Academy of Sciences
Projects co-financed by:Programme Innovative Economy, 2010-2014, Priority Axis 2. R&D infrastructure ; European Union. European Regional Development Fund
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