Zobrazeno 1 - 10
of 35
pro vyhledávání: '"Ulrich Querner"'
Autor:
Elisabeth Klara Viktoria Kalko, Marion Gschweng, Peter Berthold, Wolfgang Fiedler, Ulrich Querner
Publikováno v:
Proceedings of the Royal Society B: Biological Sciences. 275:2887-2896
Eleonora's falcon (Falco eleonorae) is a rare raptor species that delays its breeding period until late summer to feed its young with passerines at the peak of autumn migration. Since the 1950s, this slender winged falcon has been believed to migrate
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5d9c469e633aa743322d39b3880b6afd
https://doi.org/10.1098/rspb.2008.0575
https://doi.org/10.1098/rspb.2008.0575
Publikováno v:
Journal of Ornithology. 145:356-359
During satellite-tracking investigations of 140 white storks (Ciconia ciconia), one individual, the long-term world record holder among birds, was followed along 12 migratory journeys over a period of 10 years. This long-term study confirms what prev
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f1355527551d98badf172500f312294d
https://doi.org/10.1007/s10336-004-0049-2
https://doi.org/10.1007/s10336-004-0049-2
Autor:
Peter Berthold, W. von der Bossche, Christoph Kaatz, Ulrich Querner, Michael Kaatz, Z. Jakubiec
Publikováno v:
Journal für Ornithologie. 143:489-493
During investigations on the migration of 120 individual White Storks by means of satellite tracking, four birds were tracked into their winter quarters several times, one bird on nine successive journeys. These storks did not exhibit strong winter-s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7cf28cf8ddc462ef8af4b58f0d1dc667
https://doi.org/10.1007/bf02465604
https://doi.org/10.1007/bf02465604
Autor:
Michael Kaatz, Eugeniusz Nowak, Christoph Kaatz, Yossi Leshem, Peter Berthold, Willem van den Bossche, Wolfgang Fiedler, Ulrich Querner
Publikováno v:
Ibis. 143:450-455
Since 1991, a large-scale satellite traclung study of White Stork Ciconia ciconia has followed 75 individuals along the eastern migration route, which passes across Israel into eastern Africa. Twenty-six of these birds travelled at least as far as th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0af4846293326635541a9fe072b32a82
https://doi.org/10.1111/j.1474-919x.2001.tb04946.x
https://doi.org/10.1111/j.1474-919x.2001.tb04946.x
Publikováno v:
Proceedings of the Royal Society of London. Series B: Biological Sciences. 268:953-959
In recent decades, global temperature has increased at an unprecedented rate. This has been causing rapid environmental shifts that have altered the selective regimes determining the annual organization of birds. In order to assess the potential for
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b2215bd1265aa07c9baec8c2d616059c
https://doi.org/10.1098/rspb.2001.1602
https://doi.org/10.1098/rspb.2001.1602
Autor:
Michael Kaatz, Peter Berthold, Edna Gorney, Wolfgang Fiedler, Willem van den Bossche, Ulrich Querner, Yossi Leshem, Eugeniusz Nowak
Publikováno v:
Journal für Ornithologie. 142:73-92
Fur ein umfassendes Schutzkonzept fur den Weisstorch (Ciconia ciconia) im Rahmen der „Bonner Konvention“ entlang der Ostroute von den Brutgebieten uber Israel bis in nordostafrikanische Zwischenziele war es erforderlich, den genauen Zugablauf, da
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7dca966417d0d815221d8c23013dc2e2
https://doi.org/10.1007/bf01651740
https://doi.org/10.1007/bf01651740
Autor:
Ulrich Querner, Peter Berthold, Dominik von Elverfeldt, Wolfgang Fiedler, J. Hennig, Michael Kaatz
Publikováno v:
Journal für Ornithologie. 142:63-72
Here we present a systematic application of magnetic resonance imaging (in the following called MRI) and magnetic resonance spectroscopy (MRS) to the White Stork. The main aim was to demonstrate the annual cycle of fat deposition in the same individu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f5201cb9586fa452403d4f7796f56f43
https://doi.org/10.1007/bf01651739
https://doi.org/10.1007/bf01651739
Publikováno v:
Journal für Ornithologie. 141:285-299
Die Zugunruhe — definitionsgemas die (v. a. nachtliche) Zugaktivitat gekafigter Vogel — ist mindestens seit dem 18. Jahrhundert bekannt und wird regelmasig zur Untersuchung von Vogelzugfragen genutzt. Ihre genaue Beschreibung war jedoch bis 1988,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::dadf992cf6a989c38d6836231b007ae3
https://doi.org/10.1007/bf02462238
https://doi.org/10.1007/bf02462238
Publikováno v:
Naturwissenschaften. 85:350-353
During the past century a decline hasbeen noted in European bird popula-tions, both in large species [1] andpossibly also in songbirds [2]. Todaythe “Red List” (of endangered spe-cies) includes about 50% of the avi-fauna in most Central Europeanc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fa0ff5344797153428678e74cbf42454
https://doi.org/10.1007/s001140050514
https://doi.org/10.1007/s001140050514
Autor:
Ulrich Querner, Christoph Kaatz, Eugeniusz Nowak, Peter Berthold, Michael Kaatz, W. van den Bossche, Yossi Leshem
Publikováno v:
Journal für Ornithologie. 138:546-549
Here we report on an unusual migratory route of a White Stork within the eastern migration corridor (east of the Central European migration divide) to the Arabian peninsula as far as South Yemen. White Storks migrating to and wintering in this area a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0b1eb3ae574ce3f4e528327ee9c08252
https://doi.org/10.1007/bf01651386
https://doi.org/10.1007/bf01651386