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Article
S. Wanless, Auteur ; M. Frederiksen, Auteur ; M. P. Harris, Auteur ; S. N. Freeman, AuteurCapsule The mean annual survival of adult Gannets was 92% and about 30% of young survived to an age of four years. Aim To obtain the first estimates of the survival of British and Irish Gannets from ringing recoveries. Methods Ringing and recove[...]
Article
B. Swann, Auteur ; I. K. Brockway, Auteur ; M. Frederiksen, Auteur ; R. D. Hearn, Auteur ; C. Mitchell, Auteur ; A. Sigfusson, AuteurCapsule Levels of mobility and turnover changed at different stages of the non-breeding season. Aims To describe the pattern of within-winter movements of Icelandic Greylag Geese in northern Britain and to assess the rate of turnover at differen[...]
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Article
M. Frederiksen, Auteur ; M. Edwards, Auteur ; R. Mavor, Auteur ; M. Harris, Auteur ; S. Wanless, Auteur
Article
H. Hotker, Auteur ; M. Frederiksen, AuteurDans Ardea (89(3) 2001)After the breeding season Pied Avocets Recurvirostra avosetta gather at moulting sites. Counts show that some of these sites host large parts of the total population, but it is not known how many individuals use a particular site over a season ([...]
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M. Frederiksen, AuteurDans Wildfowl (53 2002)Greylag and Pink-footed Geese, breeding in Iceland and wintering in Britain, are popular quarry species for wildfowl hunters. However, the size of the British hunting bag is unknown. By using the Icelandic bag statistics, recoveries of geese sho[...]
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L. Crespin, Auteur ; M. P. Harris, Auteur ; Jean-Dominique Lebreton, Auteur ; M. Frederiksen, Auteur ; S. Wanless, Auteur1. A novel capture-mark-recapture (CMR) method was used to build a multistate model of recruitment by young birds to a breeding population of common guillemots Uria aalge on the Isle of May, Scotland. Recruitment of a total of 2757 individually [...]
Article
P. Clausen, Auteur ; M. Frederiksen, Auteur ; S. M. Percival, Auteur ; G. Q. A. Anderson, Auteur ; M. J. H. Denny, AuteurDans Ardea (89(1) 2001)The East Atlantic flyway population of pale-bellied Brent Geese Branta hrota is, with its current population estimate of 6000 birds, one of the smallest goose populations of the World. During 1991-99 a total of 361 individually marked Brent Gees[...]
