Détail de l'auteur
Documents disponibles écrits par cet auteur (11)
Ajouter le résultat dans votre panier Affiner la recherche
Article
Guy Morrison, Auteur ; Tony Fox, Auteur ; Doug Heyland, Auteur ; Nicola Crockford, Auteur
Article
Henning Heldbjerg, Auteur ; Tony Fox, AuteurCapsule Long-distance migrant birds show less favourable trends than sedentary/short-distance species. Aims To use breeding bird surveys to contrast population trends amongst common species according to their migration pattern. Methods Changes i[...]
Article
Henning Heldbjerg, Auteur ; Tony Fox, AuteurCapsule Long-distance migrant birds show less favourable trends than sedentary/short-distance species. Aims To use breeding bird surveys to contrast population trends amongst common species according to their migration pattern. Methods Changes i[...]
Article
Article
Tony Fox, Auteur ; Ian S. Francis, Auteur ; Espen Bergersen, AuteurDans Ardea (94(3) 2006)The feeding behaviour of Pink-footed Geese Anser brachyrhynchus was studied in Adventdalen, Svalbard, during 15-28 May 2004 to determine habitat use of newly arrived birds based on their distribution in relation to the major vegetation types pre[...]
Article
Tony Fox, Auteur ; Keith A. Hobson, Auteur ; Graham Ekins, Auteur ; Mark Grantham, Auteur ; Andy J. Green, AuteurAnalysis of the stable-hydrogen isotope content (delta D) of feathers taken from a first-winter Marbled Duck Marmaronetta angustirostris shot in Essex on Ist September 2007 showed little difference between juvenile feathers grown at the natal si[...]
Article
Article
Pre-nesting site use of satellite transmitter tagged Svalbard Pink-footed Geese Anser brachyrhynchus
Christian M. Glahder, Auteur ; Tony Fox, Auteur ; Christiane E. Hubner, Auteur ; Jesper Madsen, Auteur ; Ingunn M. Tombre, AuteurDans Ardea (94(3) 2006)We deployed satellite transmitters (PTTs) on Pink-footed Geese Anser brachyrhynchus to discover pre-nesting sites on Svalbard. 14 adult male were caught in Vest Stadil Fjord, Denmark and fitted with PTTs powered by batteries (n = 11; 30 g) or by[...]
Article
Travelling to breed - Proceedings of a workshop held in Kalo, Denmark, 21-23 November 2004 - Preface
Julia Stahl, Auteur ; Tony Fox, Auteur ; Rudi Drent, AuteurDans Ardea (94(3) 2006)
Article
Tony Fox, Auteur ; Stuart Bearhop, AuteurThe use of mass spectrometry to analyse the stable-isotope ratios of bird tissues has become an important new tool for research ornithologists in the last 20 years. Because stable isotopes vary geographically and according to specific biological[...]
Article
Tony Fox, AuteurHumans have been introducing species outside their native ranges as a source of food for thousands of years, but introductions of wildfowl have increased dramatically since the 1700s. The most serious consequence of this has been the extinction [...]
