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Development of the Goshawk Accipiter gentiles population in Sweden since 1975. / Duvhökens Accipiter gentilis beståndsutveckling i Sverige sedan 1975.

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Author

Summary, in English

I have used data, mainly from south of 62degreeN, collected within the Breeding Bird Survey and the Winter Bird Count (1975-2001) to describe the population development of the Goshawk Accipiter gentilis in Sweden. The data from the breeding season indicate a considerable population increase. The winter data show a stable population for the winters 1975/1976-1993/94, then six winters with lower values, and a return to the former mean level in 2000/2001. The linear trend for the whole period shows a decline of almost 20%. The winter data are difficult to interpret in terms of breeding population since a large proportion of the hawks are wintering birds from northern Sweden and Finland. The conclusion is that the number of overwintering Goshawks in southern Sweden has declined, especially in recent years, but that the breeding population has increased, or - considering the weak summer data - at least not declined during the last quarter of a century.

Department/s

Publishing year

2002

Language

English

Pages

147-156

Publication/Series

Ornis Svecica

Volume

12

Issue

3

Document type

Journal article

Publisher

Sveriges Ornitologiska Förening

Topic

  • Ecology

Status

Published

ISBN/ISSN/Other

  • ISSN: 1102-6812