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Article
Isabel Barwisch, Auteur ; Wolfgang Mewes, Auteur ; Angela Schmitz Ornés, Auteur ; Sebastian Guenther, AuteurUrbanization, industrialization, and intensification of agriculture have led to considerable heavy metal pollution across the globe, harming our ecosystems. Concentrations of arsenic (As), cadmium (Cd), copper (Cu), and lead (Pb) have been analy[...]
Article
Martin Haase, Auteur ; Henriette Höltje, Auteur ; Beate Blahy, Auteur ; Damon Bridge, Auteur ; Eberhard Henne, Auteur ; Ulf S. Johansson, Auteur ; Katrin Kaldma, Auteur ; Ekaterina A. Khudyakova, Auteur ; Amy King, Auteur ; Aivar Leito, Auteur ; Wolfgang Mewes, Auteur ; Elena A. Mudrik, Auteur ; Ivar Ojaste, Auteur ; Dmitry V. Politov, Auteur ; Ronald Popken, Auteur ; Juhani Rinne, Auteur ; Andrew Stanbury, Auteur ; Jesper Tofft, Auteur ; Ülo Väli, Auteur ; Angela Schmitz Ornés, AuteurFor more than half a century, the Western Eurasian Crane (Grus grus grus) has been expanding its range toward western Europe, recolonizing areas where it had been previously driven to extinction, including the UK, the Netherlands and Denmark. Th[...]
Article
Wolfgang Mewes, AuteurInformation about breeding site and partner fidelity among cranes can only be gained if individuals can be identified. The breeding site fidelity, subdivided into breeding territory fidelity and nesting site fidelity, was examined from 2005 to 2[...]
Article
Wolfgang Mewes, Auteur ; Moriz Rauch, AuteurInvestigation of selected Common Crane breeding pairs in a 338 km(2) area in the district of Parchim (Mecklenburg-Western Pomerania) comprised nest monitoring, egg measurements (size and weight) and photography. At many breeding sites clutches r[...]
Article
Wolfgang Mewes, Auteur ; Michael Modrow, AuteurDuring routine control of Common Crane nest, mixed clutches with eggs of Greyleg Geese and Mallards were found occasionally. A first case of interspecific brook parasitism at crane nests became evident in 1987. Between 2003 and 2008 we observed [...]
Article
Wolfgang Mewes, AuteurA complete survey of the German Common Crane population has been performed by a large-scale network of volunteers for 30 years. Since 1991 it has been organized by the working group of Crane Conservation Germany.Common Cranes inhabit the North G[...]
Article
Wolfgang Mewes, AuteurA complete survey of the German Common Crane population has been performed by a large-scale network of volunteers for 30 years. Since 1991 it has been organized by the working group of Crane Conservation Germany.Common Cranes inhabit the North G[...]
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
Wolfgang Mewes, AuteurOne of the reasons for the spectacular population increase of the Crane in Germany is the relatively high rate of reproduction in this country. Clutches contained on average 1.95 eggs (average of 1978-1998; n = 674). The hatching rate was 1.92 j[...]
Article
Angela Schmitz Ornes, Auteur ; Andre Herbst, Auteur ; Andreas Spillner, Auteur ; Wolfgang Mewes, Auteur ; Moriz Rauch, AuteurSpottiness is an important component of the morphology of bird eggs and a number of methods have been developed for characterizing variation in spottiness. We developed a quantitative method for measuring and comparing eggs to determine if femal[...]
