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Article
Marek Kouba, Auteur ; Adam Dušek, Auteur ; Luděk Bartoš, Auteur ; Tomáš Bušina, Auteur ; Jan Hanel, Auteur ; Petra Menclová, Auteur ; Petr Kouba, Auteur ; Alena Popelková, Auteur ; Václav Tomášek, Auteur ; Karel Šťastný, AuteurParents can enhance their fitness by favouring that sex whose reproductive value is expected to be highest. In species in which females are the larger sex with potentially greater fitness returns, one can assume that parents should bias their in[...]
Article
Marek Kouba, Auteur ; Luděk Bartoš, Auteur ; Jiří Šindelář, Auteur ; Karel Šťastný, AuteurFew cases of adoption have been reported in solitary breeding raptors, and in owls adoption has only been reported in two species. Here we report four cases of brood-switching of juvenile Tengmalm’s Owls (Aegolius funereus), recorded during and [...]
Article
Petra Šímová, Auteur ; Karel Šťastný, Auteur ; Miroslav Šálek, AuteurUrban environment is only rarely considered an exclusive refuge for rapidly declining bird species. Crested Lark (Galerida cristata) is a species in Central Europe whose synanthropization began in the second half of the twentieth century due to [...]
Article
Markéta Zárybnická, Auteur ; Ondřej Sedláček, Auteur ; Pälvi Salo, Auteur ; Karel Šťastný, Auteur ; Erkki Korpimäki, AuteurEnvironmental variation across space and time can strongly influence life-history strategies in vertebrates. It has been shown that the reproductive success of birds of prey is closely related to food availability. However, relatively little is [...]
Article
Markéta Zárybnická, Auteur ; Ondřej Sedláček, Auteur ; Pälvi Salo, Auteur ; Karel Šťastný, Auteur ; Erkki Korpimäki, AuteurEnvironmental variation across space and time can strongly influence life-history strategies in vertebrates. It has been shown that the reproductive success of birds of prey is closely related to food availability. However, relatively little is [...]
Article
Zuzana Musilová, Auteur ; Petr Musil, Auteur ; Jan Zouhar, Auteur ; Vladimir Bejcek, Auteur ; Karel Šťastný, Auteur ; Karel Hudec, AuteurCapsule Two nationwide monitoring schemes, the International Waterbird Census (IWC) and Atlas of Wintering Birds (AWB), provide comparable estimates of national population sizes of wintering waterbirds. Differences between these estimates for se[...]
Article
Jiri Reif, Auteur ; Frédéric Jiguet, Auteur ; Karel Šťastný, AuteurCapsule Expert-based classification of bird species as habitat specialists and as generalists agrees with objective measures of species' habitat requirements based on large-scale monitoring data. Aims To compare habitat specialization of 137 com[...]
Article
Jiri Reif, Auteur ; Petr Vorisek, Auteur ; Karel Šťastný, Auteur ; Vladimir Bejcek, Auteur ; Jiri Petr, AuteurCapsule Populations of most forest bird species increased between 1982 and 2003, probably due to increased forest cover and changes in forest age-class composition. Aims To determine population changes of forest birds in the Czech Republic and t[...]
Article
Jiri Reif, Auteur ; Peter Vorisek, Auteur ; Karel Šťastný, Auteur ; Vladimir Bejcek, Auteur ; Jiri Petr, AuteurThe relationship between agricultural intensification and a decline in farmland bird populations is well documented in Europe, but the results are mostly based on data from the western part of the continent. In the former socialist eastern and c[...]
Article
Jiri Reif, Auteur ; Kristyna Prylova, Auteur ; Arnost L. Sizling, Auteur ; Zdenek Vermouzek, Auteur ; Karel Šťastný, Auteur ; Vladimir Bejcek, AuteurRecent major environmental changes could lead to homogenization in the composition of plant and animal communities, with generalist species replacing more specialized species, as well as to the increased domination of species adapted to warmer c[...]
Article
Jaroslav Kolecek, Auteur ; Jiri Reif, Auteur ; Karel Šťastný, Auteur ; Vladimir Bejcek, AuteurEuropean birds have been significantly affected by dramatic environmental changes during the last decades. The effects of these changes on species richness and distribution in particular countries are still poorly understood because of a lack of[...]
Article
Vladimir Bejcek, Auteur ; Karel Šťastný, Auteur ; Petra Malkova, Auteur
Article
Jiri Reif, Auteur ; Zdenek Vermouzek, Auteur ; Petr Vorisek, Auteur ; Karel Šťastný, Auteur ; Vladimir Bejcek, Auteur ; Jiri Flousek, AuteurA species' susceptibility to environmental change might be predicted by its ecological and life-history traits. However, the effects of such traits on long-term bird population trends have not yet been assessed using a comprehensive set of expla[...]
Article
Karel Šťastný, Auteur ; Vladimir Bejcek, Auteur ; Jiri Flousek, Auteur ; Petr Vorisek, Auteur
