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Documents disponibles écrits par cet auteur (10)
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Article
Javier A. Alonso, Auteur ; Juan C. Alonso, Auteur ; Guenter Nowald, AuteurCapsule German breeding birds wintered mainly in southwest Spain and some in France. Aims To describe migration routes and phenology, and the interannual fidelity to staging and wintering sites. Methods A total of 93 cranes were colour-banded, a[...]
Article
Guenter Nowald, Auteur ; Tanja Fleckstein, AuteurAs part of an international crane research project, we investigated food availability and diet of crane families in their breeding territories. In 1996 we determined the preferred feeding sites of six crane families by radio tracking. To analyze[...]
Article
Guenter Nowald, Auteur ; Eugenijus Drobelis, Auteur ; Aivar Leito, Auteur ; Gundars Vaverins, AuteurFollowing intensive dehydration measures, which in some cases continued until the 1980s, the number of crane breeding pairs declined in many parts of the Baltic. Today, a positive trend is emerging. In Estonia and Latvia the crane is a breeding [...]
Article
Guenter Nowald, AuteurIn Europe, a total of 3,067 Common Cranes was marked with tricoloured individual ring codes in accordance with the European Crane Banding Group. In addition, another 35 country codes were used. The new ELSA rings are even more effective for resi[...]
Article
Guenter Nowald, AuteurIn Europe, a total of 3,067 Common Cranes was marked with tricoloured individual ring codes in accordance with the European Crane Banding Group. In addition, another 35 country codes were used. The new ELSA rings are even more effective for resi[...]
Article
Guenter Nowald, Auteur ; Werner Schroeder, Auteur ; Volker Guenther, Auteur ; Shimelis Aynalem, AuteurLocated at the Horn of Africa, the landmass of Ethiopia was and still is an important stopover. wintering site for migratory bird species on their passage between Europe, Asia and vast part Africa. Crane Conservation Germany (NABU, WWF, Lufthans[...]
Article
Guenter Nowald, Auteur ; Werner Schroeder, Auteur ; Volker Guenther, Auteur ; Shimelis Aynalem, AuteurLocated at the Horn of Africa, the landmass of Ethiopia was and still is an important stopover. wintering site for migratory bird species on their passage between Europe, Asia and vast part Africa. Crane Conservation Germany (NABU, WWF, Lufthans[...]
Article
Guenter Nowald, Auteur ; Norman Donner, Auteur ; Michael Modrow, AuteurThe number of Common Cranes resting during autumn migration in the Rugen-Bock region (Mecklenburg-Western Pomerania, NE Germany) has continued to rise steadily since the first census in 1965. With up to 70,000 individuals at peak occurrence in O[...]
Article
Wolfgang Mewes, Auteur ; Norman Donner, Auteur ; Guenter Nowald, AuteurCensuses of Common Cranes gathering at 35 sites form mid-July to mid-September are used to estimate the local crane population in Mecklenburg-Western Pomerania. In the years 2007-2009, about 16,000 cranes were recorded by the end of August and a[...]
Article
Guenter Nowald, AuteurThe requirements of Crane families with young regarding food availability and habitat use are poorly known, although such aspects are of great importance for conservation. This is because Cranes behave particularly inconspicuously when rearing y[...]
