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Auteur Norman Donner |
Documents disponibles écrits par cet auteur (2)
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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[...]



