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Documents disponibles écrits par cet auteur (15)
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Ouvrage
Vögel sind allgegenwärtig. Und sie sind uns ans Herz gewachsen. Doch Vögel sind auch unsere wichtigsten Bioindikatoren. Ihr zunehmendes Verschwinden zeigt uns, dass es um ihren und unseren Lebensraum in diesem Land nicht gut bestellt ist. Denn d[...]
Ouvrage
Article
Peter Berthold, Auteur
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Nikita Chernetsov, Auteur ; Michael Kaatz, Auteur ; Ulrich Querner, Auteur ; Peter Berthold, AuteurA White Stork from the Kaliningrad region of Russia was taken into captivity as a nestling in 2000, raised at the Biological Station Rybachy and released after a retention experiment in September. The bird was tagged with a satellite transmitter[...]
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Peter Berthold, Auteur ; Wolfgang Fiedler, AuteurAt the Mettnau Station in southern Germany trapping of birds of 33 species during 1972-2003 yielded 181,186 first traps, the present evaluation of which has produced 4 main results: (1) the total numbers trapped decreased significantly during th[...]
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Dean Hashmi, Auteur ; Dietrich Ristow, Auteur ; Peter Berthold, Auteur ; Ulrich Querner, AuteurThe exclusively nocturnal activity of many procellariiforms at the breeding sites may have evolved due to costs at the colony and/or benefits at sea during daylight. It is therefore possible that the activity patterns within and outside the bree[...]
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Dean Hashmi, Auteur ; Dietrich Ristow, Auteur ; Peter Berthold, Auteur ; Ulrich Querner, AuteurThe exclusively nocturnal activity of many procellariiforms at the breeding sites may have evolved due to costs at the colony and/or benefits at sea during daylight. It is therefore possible that the activity patterns within and outside the bree[...]
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Thomas Schaefer, Auteur ; Francisco Pulido, Auteur ; Peter Berthold, Auteur
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Manfred Lieser, Auteur ; Peter Berthold, Auteur ; Geoffrey A. Manley, AuteurWe have tested our assumption that infrasound from flutter jumps of displaying cocks is significant for capercaillie (Tetrao urogallus) orientation. Seven captive females were used for playback experiments during a period when they were extremel[...]
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Marion Gschweng, Auteur ; Elisabeth K. V. Kalko, Auteur ; Peter Berthold, Auteur ; Wolfgang Fiedler, Auteur ; Jakob Fahr, Auteur1. Despite the wealth of data available from satellite tracking (ST) studies, such data have rarely been used to model species distributions. Using a novel method, we show how to exploit satellite data to analyse whether and how a migratory spec[...]
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Peter Berthold, Auteur ; Wolfgang Fiedler, Auteur ; Rolf Schlenker, Auteur ; Ulrich Querner, AuteurThe bird-trapping program "Mettnau-Reit-Illmitz (MRI)-Programm" ran during the periods 1974-1983 and 1989-1993 and was ended in 1993. In the
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Ulrich Koeppen, Auteur ; Alexander Petrovich Yakovlev, Auteur ; Raimund Barth, Auteur ; Michael Kaatz, Auteur ; Peter Berthold, AuteurThe Kyrgyz population of the bar-headed goose Anser indicus has declined dramatically during the past decades. Human persecution during migration and habitat loss at stopover and wintering sites are commonly regarded as most serious threats. How[...]
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Geoffrey A. Manley, Auteur ; Manfred Lieser, Auteur ; Peter Berthold, Auteur
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Peter Berthold, AuteurOn April 22, 1999, I was able to observe how two Crested Tits (most likely a breeding pair in the preincubation period) moved into their roosting sites and what roosts they chose. One individual - presumably the female - went into an old bird ne[...]
