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Documents disponibles écrits par cet auteur (9)
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Article
Mike P. Harris, Auteur ; Martin Heubeck, Auteur ; Mark A. Newell, Auteur ; Sarah Wanless, AuteurCapsule Long-term studies at two Scottish colonies show that the k value used to convert counts of individual Common Guillemots Uria aalge to pairs has changed substantially in the last 15 years due to decreases in survival and colony attendance[...]
Article
Mike P. Harris, Auteur ; Martin Heubeck, Auteur ; Mark A. Newell, Auteur ; Sarah Wanless, AuteurCapsule Long-term studies at two Scottish colonies show that the k value used to convert counts of individual Common Guillemots Uria aalge to pairs has changed substantially in the last 15 years due to decreases in survival and colony attendance[...]
Article
Robert W. Furness, Auteur ; Barbara Mable, Auteur ; Fiona Savory, Auteur ; Kate Griffiths, Auteur ; Stephen R. Baillie, Auteur ; Martin Heubeck, AuteurCapsule Morphometrics, plumage and mitochondrial DNA of Common Eiders Somateria mollissima in Shetland indicate that these birds should be classified as subspecies faeroeensis. Aims To test whether molecular data support the suggestion based on [...]
Article
Robert W. Furness, Auteur ; Barbara Mable, Auteur ; Fiona Savory, Auteur ; Kate Griffiths, Auteur ; Stephen R. Baillie, Auteur ; Martin Heubeck, AuteurCapsule Morphometrics, plumage and mitochondrial DNA of Common Eiders Somateria mollissima in Shetland indicate that these birds should be classified as subspecies faeroeensis. Aims To test whether molecular data support the suggestion based on [...]
Article
Michael P. Harris, Auteur ; Martin Heubeck, Auteur ; Deryk N. Shaw, Auteur ; J. David Okill, AuteurCapsule Changes in return date coincided with marked changes in population size that probably resulted in fluctuating competition for nest-sites. Aims To document the changes in return dates over a 44-year period and to identify the factors asso[...]
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Martin Heubeck, AuteurThis is the third and final paper in a series to mark the research interests of former BB editor Stanley Cramp. Along with Bill Bourne and David Saunders, Cramp co-authored the first of three landmark texts that document the national surveys of [...]
Article
Paul V. Harvey, Auteur ; Martin Heubeck, AuteurIn Shetland, wintering Slavonian Grebes Podiceps auritus occupy sheltered voes and feed in water depths of less than 20 m over muddy and sandy sediments. Systematic counts found that the wintering population in the islands doubled from just unde[...]
Article
Martin Heubeck, Auteur
Article
Stephen C. Votier, Auteur ; Martin Heubeck, Auteur ; Robert W. Furness, AuteurDans Ibis (150 AUG 2008)Large skuas and gulls are top predators in marine ecosystems, feeding on shoaling fish, fishery discards and facultatively on smaller seabirds. As generalist predators they may have deleterious impacts on prey populations of seabirds, particular[...]
