Détail de l'auteur
Auteur Gunnar Gunnarsson |
Documents disponibles écrits par cet auteur (13)
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Article
Kevin M. Ringelman, Auteur ; Céline Arzel, Auteur ; Tom C. Cameron, Auteur ; Gunnar Gunnarsson, Auteur ; Aleksi Lehikoinen, Auteur ; Par Soderquist, Auteur ; Iben Hove Sørensen, Auteur ; Matthieu Guillemain, AuteurMany waterfowl species and closely related congeners are shared across the Holarctic, and are culturally and economically important in both North America and Europe. Accordingly, both continents have developed science and management frameworks i[...]![]()
Article
Sari Holopainen, Auteur ; Céline Arzel, Auteur ; Johan Elmberg, Auteur ; Anthony D. Fox, Auteur ; Matthieu Guillemain, Auteur ; Gunnar Gunnarsson, Auteur ; Petri Nummi, Auteur ; Kjell Sjoberg, Auteur ; Veli-Matti Vaananen, Auteur ; Mikko Alhainen, Auteur ; Hannu Poysa, AuteurEurasian migratory duck species represent a natural resource shared between European countries. As is evident throughout human harvest history, lack of coordinated management and monitoring at appropriate levels often leads to ‘the tragedy of th[...]![]()
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Hannu Poysa, Auteur ; Johan Elmberg, Auteur ; Gunnar Gunnarsson, Auteur ; Sari Holopainen, Auteur ; Petri Nummi, Auteur ; Kjell Sjoberg, AuteurThe Whooper Swan (Cygnus cygnus) is a good example of successful conservation, with rapidly growing numbers in Fennoscandia in recent decades. To the contrary, Eurasian Wigeon (Mareca penelope) shows a strong negative trend in breeding numbers, [...]![]()
Article
Johan Elmberg, Auteur ; Petri Nummi, Auteur ; Hannu Poysa, Auteur ; Kjell Sjoberg, Auteur ; Gunnar Gunnarsson, Auteur ; Preben Clausen, Auteur ; Matthieu Guillemain, Auteur ; David Rodrigues, Auteur ; Veli-Matti Vaananen, AuteurIt is an axiom in ecology that knowing the sheer number of individuals in a population is of very little help if the objective is to understand future and past changes in population size. Yet, this is exactly how migratory European ducks are mon[...]![]()
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Gunnar Gunnarsson, Auteur ; Richard Ottvall, Auteur ; Henrik G. Smith, AuteurIncubation is a period of high energetic costs and accordingly body mass losses are often detected. Why birds lose body mass during incubation is not well understood; suggestions are that it is either a consequence of energetic constraints or ad[...]![]()
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Gunnar Gunnarsson, Auteur ; Johan Elmberg, AuteurBreeding success is a key element of animal population dynamics. In many taxa including birds, nest success, or the proportion of laid clutches that actually hatch, is mainly determined by predation. Previous research gives an inconsistent pictu[...]![]()
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Gunnar Gunnarsson, Auteur ; Jonas Waldenström, Auteur ; Thord Fransson, AuteurTo understand population dynamics it is necessary to understand vital rates, which may be affected by a wide range of factors including environmental variables such as weather. Weather conditions can affect birds vital rates directly through inc[...]![]()
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David N. Koons, Auteur ; Gunnar Gunnarsson, Auteur ; Joel A. Schmutz, Auteur ; Jay J. Rotella, AuteurWaterfowl are among the best studied and most extensively monitored species in the world. Given their global importance for sport and subsistence hunting, viewing and ecosystem functioning, great effort has been devoted since the middle part of [...]![]()
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Johan Elmberg, Auteur ; Karin Folkesson, Auteur ; Matthieu Guillemain, Auteur ; Gunnar Gunnarsson, AuteurBreeding success in ground-nesting birds is primarily determined by nest survival, which may be density-dependent, but the generality of this pattern remains untested. In a replicated crossover experiment conducted on 30 wetlands, survival of si[...]



