Håkan Lars-Gunnar Karlsson
Håkan Lars-Gunnar Karlsson
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Convergent patterns of long-distance nocturnal migration in noctuid moths and passerine birds
T Alerstam, JW Chapman, J Bäckman, AD Smith, H Karlsson, C Nilsson, ...
Proceedings of the Royal Society B: Biological Sciences 278 (1721), 3074-3080, 2011
A polar system of intercontinental bird migration
T Alerstam, J Bäckman, GA Gudmundsson, A Hedenström, ...
Proceedings of the Royal Society B: Biological Sciences 274 (1625), 2523-2530, 2007
Nocturnal passerine migrants fly faster in spring than in autumn: a test of the time minimization hypothesis
H Karlsson, C Nilsson, J Bäckman, T Alerstam
Animal Behaviour 83 (1), 87-93, 2012
Flight speeds of swifts (Apus apus): seasonal differences smaller than expected
P Henningsson, H Karlsson, J Bäckman, T Alerstam, A Hedenström
Proceedings of the Royal Society B: Biological Sciences 276 (1666), 2395-2401, 2009
Nocturnal passerine migration without tailwind assistance
H Karlsson, C Nilsson, J Bäckman, T Alerstam
Ibis 153 (3), 485-493, 2011
Compensation for wind drift by migrating swifts
H Karlsson, P Henningsson, J Bäckman, A Hedenström, T Alerstam
Animal Behaviour 80 (3), 399-404, 2010
Great-circle migration of Arctic passerines
T Alerstam, J Bäckman, R Strandberg, GA Gudmundsson, A Hedenström, ...
The Auk, 831-838, 2008
Exaggerated orientation scatter of nocturnal passerine migrants close to breeding grounds: comparisons between seasons and latitudes
H Karlsson, J Bäckman, C Nilsson, T Alerstam
Behavioral Ecology and Sociobiology 64 (12), 2021-2031, 2010
Timing of nocturnal passerine migration in Arctic light conditions
C Nilsson, J Bäckman, H Karlsson, T Alerstam
Polar Biology 38, 1453-1459, 2015
Do adult and juvenile dunlins Calidris alpina form randomly mixed flocks during fall migration?
SS Henningsson, H Karlsson
Journal of Avian Biology 40 (6), 646-649, 2009
Radar observations of Arctic bird migration in the Beringia region
A Hedenström, T Alerstam, J Bäckman, GA Gudmundsson, ...
Arctic, 25-37, 2009
Bird migration and species diversity under polar conditions: The Siberian–American migration systems
T Alerstam, J Bäckman, S Henningsson, H Karlsson, M Rosén, ...
Polarforskningssekretariatets Arsbok 2005, 116-120, 2006
There and Back Again-nocturnal migratory behaviour of birds during spring and autumn
H Karlsson
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