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Documents disponibles écrits par cet auteur (58)
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Karl Schulze-Hagen, Auteur ; Wolfgang Fiedler, Auteur ; Franz Bairlein, Auteur
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Natalie A. Kelsey, Auteur ; Franz Bairlein, AuteurMigratory birds need energy-rich fuel which is primarily gained through fattening. However, it is also hypothesised that birds store excess lean mass as an additional energy reserve during migration. Until now, changes in the fat of live birds c[...]
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Kim Stey, Auteur ; Dennis Röseler, Auteur ; Franz Bairlein, AuteurMigratory restlessness has been studied intensively in bird species that migrate nocturnally. However, such studies are rare for diurnal migrants. For the first time, we used a twin activity recording design to study the migratory restlessness o[...]
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Dennis Röseler, Auteur ; Heiko Schmaljohann, Auteur ; Franz Bairlein, AuteurWe used light-level geolocation to study the migration and wintering grounds of a short-distance diurnal migrant, the Linnet Carduelis cannabina, which breeds on the German island of Helgoland. Of 61 light-level geolocators deployed during the 2[...]
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Franz Bairlein, AuteurThe populations of migratory bird species that breed in Europe and overwinter in sub-Saharan Africa are declining considerably faster than those of nonmigratory resident species or of migratory species that overwinter in Europe (1). Likely facto[...]
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Bert Meister, Auteur ; Ulrich Köppen, Auteur ; Olaf Geiter, Auteur ; Wolfgang Fiedler, Auteur ; Franz Bairlein, AuteurSince the mid 1990s the three German Vogelwarten operate a Constant Effort Ringing Scheme (“Integriertes Monitoring von Singvogelpopulationen; IMS”) aiming to obtain besides population indices productivity indices and estimates of survival rates[...]
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Franz Bairlein, Auteur ; J. Dierschke ; V. Dierschke, Auteur ; V. Salewski, Auteur ; O. Geiter, Auteur ; K. Hüppop, Auteur ; U. Köppen, Auteur ; W. Fiedler, Auteur | Wiebelsheim : Aula-Verlag | 2014Utilising 1.5 million recoveries, of almost 975,000 individual birds, the Atlas des Volgelzugs details the movements and fates of 298 species which breed, overwinter or migrate through Germany. For each species, where the data permit, separate [...]
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Gilberto Pasinelli, Auteur ; Franz Bairlein, Auteur
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Ralf Siano, Auteur ; Sven Alexander Herzog, Auteur ; Klaus-Michael Exo, Auteur ; Franz Bairlein, AuteurFrom 1999 to 2003, 83 captive-reared juvenile Capercaillies Tetra urogallus were released in the Harz Mountains National Park (Lower Saxony), fitted with VHF transmitters and tracked regularly. The aim of the study was to find out whether the re[...]
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Carlo Catoni, Auteur ; Benjamin Metzger, Auteur ; H. Martin Schaefer, Auteur ; Franz Bairlein, AuteurThe concept of optimal foraging has been used to show how animals can increase their fitness by actively regulating the ingestion of nutrients or by avoiding detrimental plant metabolites, such as alkaloids. There is, however, considerably less [...]
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Marc I. Foerschler, Auteur ; Christoph Randler, Auteur ; Jochen Dierschke, Auteur ; Franz Bairlein, AuteurCapsule We found closely related Cyprus Wheatears Oenanthe cypriaca and Pied Wheatears Oenanthe pleschanka to differ significantly from each other in 14 external morphometric characters, supporting the independent taxonomic status of both forms.[...]
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Holger Stiebel, Auteur ; Franz Bairlein, AuteurTo study correlation between the presence of fleshy fruits and frugivorous birds, standardised mappings of fruits and birds were performed on three areas (hedges, flood plane, forest; 50 ha each) in northern Hesse. The mappings were performed be[...]
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Holger Stiebel, Auteur ; Franz Bairlein, AuteurFacultative frugivory is a common mode of nutrition in central European birds. Despite of this fact, quantitative studies about this subject are barely undertaken. It was the aim of this study to collect quantitative data about central Euopean a[...]
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Thomas K. Gottschalk, Auteur ; Klemens Ekschmitt, Auteur ; Franz Bairlein, AuteurIn this study we assess possible benefits of using satellite sensor data in large-scale landscape ecology. The study was conducted on the Serengeti Plains, Tanzania, combining (1) records from a bird survey, (2) local measurements of vegetation [...]
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Hamid Rguibi Idrissi, Auteur ; Mohamed Dakki, Auteur ; Franz Bairlein, AuteurMorocco plays a major role in the migration and wintering of several Palaearctic-African passerines, because of its geographical position and great diversity of wetlands used as stopover sites. These have been studied on the basis of recovery da[...]
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Hamid Rguibi Idrissi, Auteur ; Romain Julliard, Auteur ; Franz Bairlein, Auteur ; Mohamed Dakki, Auteur
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Hans Jakober, Auteur ; Wolfgang Stauber, Auteur ; Franz Bairlein, Auteur ; Maren Voss, AuteurWe investigated the stable isotope signatures (delta(15)N and delta(13)C) of greater feather covers of male and female Red-backed Shrikes (Lanius collurio) of a southern German population. Male and female birds did not differ in their isotope si[...]
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Wolfgang Fiedler, Auteur ; Stefan Bosch, Auteur ; Anja Globig, Auteur ; Franz Bairlein, AuteurWaterfowl are known to be the major reservoir for all 16 H- and 9 N- Subtypes of low pathogenic avian influenza viruses (LPAIV), including the subtypes H5 and H7 being a serious economic threat to the poultry industry as well as H1, H2, H3 that [...]
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Jann Wuebbenhorst, Auteur ; Franz Bairlein, Auteur ; Frank Henning, Auteur ; Brigitte Schottler, Auteur ; Volkmar Wolters, AuteurOccurrence and breeding success of Lapwings in the 1996 breeding season were investigated in relation to the intensity of land-use and the occurrence of ground arthropods (as food for Lapwing chicks). Studies were carried out in a pasture of 167[...]
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Timothy Coppack, Auteur ; Franz Bairlein, AuteurBird migration has evolved under the influence of annual and daily fluctuations in resource availability. Numerous passerine migrants migrate exclusively by night, maximizing the time available for foraging and feeding during the day. When held [...]
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Julia Delingat, Auteur ; Volker Dierschke, Auteur ; Heiko Schmaljohann, Auteur ; Bettina Mendel, Auteur ; Franz Bairlein, AuteurDans Ardea (94(3) 2006)Selection for early arrival is expected to shape optimal stopover decisions in migrating birds to minimise time spent on migration. Optimality models predict that fuel loads at departure from stopover sites and stopover duration should depend st[...]
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Juliet A. Vickery, Auteur ; Steven R. Ewing, Auteur ; Ken W. Smith, Auteur ; Deborah J. Pain, Auteur ; Franz Bairlein, Auteur ; Jana Skorpilova, Auteur ; Richard D. Gregory, AuteurThere is compelling evidence that Afro-Palaearctic (A-P) migrant bird populations have declined in Europe in recent decades, often to a greater degree than resident or short-distance migrants. There appear to have been two phases of decline. The[...]
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Ivan Maggini, Auteur ; Fernando Spina, Auteur ; Christian C. Voigt, Auteur ; Andrea Ferri, Auteur ; Franz Bairlein, AuteurIn many species of migratory birds, individuals of different populations, sexes and age classes migrate at different times and manage their energy reserves according to their specific migratory strategies. In this study, we analyzed the migrator[...]
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Julia Delingat, Auteur ; Volker Dierschke, Auteur ; Heiko Schmaljohann, Auteur ; Franz Bairlein, AuteurIn migrating birds body mass change during stopover is often used to evaluate the quality of a stopover site. Because such body mass changes are difficult to survey in migrating birds various methods were developed to allow the analysis of large[...]
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Olga V. Dolnik, Auteur ; Victor R. Dolnik, Auteur ; Franz Bairlein, AuteurThe prevalence and intensity of infection with isosporan Coccidia parasites in wild passerine birds varies greatly between bird species. Faeces of infected hosts contain oocysts that are a source of new infections when ingested. As a consequence[...]
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Gernot Segelbacher, Auteur ; Thomas Sacher, Auteur ; Anke Schwarzenberger, Auteur ; Sonja Woitsch, Auteur ; Franz Bairlein, Auteur ; Timothy Coppack, AuteurAlthough the European blackbird, Turdus merula, is one of the most abundant and conspicuous songbirds of the Western Palaearctic and, as such, has been subject of numerous behavioural and ecological studies, there is to date no specific, PCR-bas[...]
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Marc Bulte, Auteur ; Franz Bairlein, AuteurWe tested endogenous migratory fuelling and nocturnal migratory restlessness in juvenile Northern Wheatears (Oenanthe oenanthe) from Alaska kept in captivity indoors. The birds showed a spontaneous seasonal, and biologically relevant, pattern of[...]
