Détail de l'auteur
Auteur A. J. Walsh |
Documents disponibles écrits par cet auteur (4)
Ajouter le résultat dans votre panier Affiner la recherche![]()
Article
H. Boyd, Auteur ; A. D. Fox, Auteur ; J. N. Kristiansen, Auteur ; D. A. Stroud, Auteur ; A. J. Walsh, Auteur ; S. M. Warren, AuteurAbdominal profiles of spring-staging White-fronted Geese in Iceland were recorded in 1990, 1991, 1997 and 1998, chiefly at Hvanneyri, the largest known staging area. Median profile scores were markedly lower on arrival in Iceland than at departu[...]![]()
Article
A. D. Fox, Auteur ; J. O. Hilmarsson, Auteur ; O. Einarsson, Auteur ; H. Boyd, Auteur ; J. N. Kristiansen, Auteur ; D. A. Stroud, Auteur ; A. J. Walsh, Auteur ; S. M. Warren, Auteur ; C. Mitchell, Auteur ; I. S. Francis, Auteur ; T. Nygaard, AuteurDans Wildfowl (50 1999)A combination of ringing recoveries, resightings of individually marked birds and regularly counted census routes suggest that Greenland White-fronted Geese stage in Iceland from c.10 April until c.12 May in spring and c.30 August until c.31 Oct[...]![]()
Article
C. M. Glahder, Auteur ; A. D. Fox, Auteur ; A. J. Walsh, AuteurDans Wildfowl (53 2002)During spring 1998 and 1999, 10 Greenland White-fronted Geese fitted with satellite transmitters on the wintering grounds at Wexford, Ireland, migrated to West Greenland and provided new information on spring staging areas and staging periods. T[...]![]()
Article
J. N. Kristiansen, Auteur ; A. J. Walsh, Auteur ; A. D. Fox, Auteur ; H. Boyd, Auteur ; D. A. Stroud, AuteurDans Wildfowl (50 1999)Based on data from seven successive years from the wintering grounds in Ireland and one year from the breeding grounds in West Greenland, the variation in the black striation on the abdomen and breast, the so-called belly barring, of the Greenla[...]



