Ulrich Köppen

Variation of primary production during winter induces synchrony in survival rates in migratory white storks<i>Ciconia ciconia</i>

Michael Schaub, Wojciech Kania, Ulrich Köppen · Journal of Animal Ecology · 2005 · 168 citations · Full text

Biology, Range Shift, Wildlife Ecology +12

Serologic Evidence of West Nile Virus Infections in Wild Birds Captured in Germany

Sonja Linke, Matthias Niedrig, Andreas Kaiser et al. · American Journal of Tropical Medicine and Hygiene · 2007 · 101 citations · Full text

Emerging Infectious Diseases, Resident Birds, Zoonotic Disease +11

Improving the analysis of movement data from marked individuals through explicit estimation of observer heterogeneity

Fränzi Korner‐Nievergelt, Annette Sauter, Philip W. Atkinson et al. · Journal of Avian Biology · 2010 · 72 citations

Spatial Ecology, Gait Analysis, Marked Individuals +23

Partial Migration in a Central European Raptor Species: An Analysis of Ring Re-Encounter Data of Common Kestrels<i>Falco tinnunculus</i>

Daniel Holte, Ulrich Köppen, Angela Schmitz Ornés · Acta Ornithologica · 2016 · 34 citations

Biology, Range Shift, Wildlife Ecology +13

Tits on the move: exploring the impact of environmental change on blue tit and great tit migration distance

Isabel M. Smallegange, Wolfgang Fiedler, Ulrich Köppen et al. · Journal of Animal Ecology · 2009 · 33 citations