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Article
M. Green, Auteur ; T. Alerstam, Auteur ; G. A. Gudmundsson, Auteur ; A. Hedenstrom, Auteur ; T. Piersma, AuteurWe analysed five data sets of night directions of migrating arctic waders ill relation to,winds, recorded by tracking radar and optical range finder, in order to find out if these birds compensate for wind drift, or allow themselves to be drifte[...]
Article
R. Inger, Auteur ; G. A. Gudmundsson, Auteur ; G. D. Ruxton, Auteur ; J. Newton, Auteur ; K. Colhoun, Auteur ; S. Auhage, Auteur ; S. Bearhop, AuteurThere is considerable evidence to suggest that an animal's ability to access the appropriate resources at one time of year may profoundly restrict its performance at another. For migrants, wintering and breeding periods are often connected by re[...]
Article
G. A. Gudmundsson, Auteur ; T. Alerstam, AuteurLittle attention has been given to the types of maps used in migration studies. However, we think that analyses of migration in two dimensions by applying different map projection rules may give valuable insights about biological control program[...]
Article
R. Sandberg, Auteur ; G. A. Gudmundsson, AuteurMigratory orientation of Dunlins Calidris alpina at sunset was studied by using orientation cages, during autumn migration in SW Iceland. The aim of the experiments was to examine whether orientation funnels can be used to record the directional[...]
Article
E. S. Hansen, Auteur ; S. Benvenuti, Auteur ; B. R. Hansen, Auteur ; G. A. Gudmundsson, Auteur ; H. G. Visser, Auteur
Article
G. A. Gudmundsson, Auteur ; Tomas Alerstam, Auteur
Article
G. A. Gudmundsson, Auteur ; T. Alerstam, AuteurTracking radar studies mere carried out during the summer 1996 in the central polar basin (85-90 degrees N) to investigate if birds accomplish transpolar migration. We here report the absence of bird migration from this region, in glaring contra[...]
