Détail de l'auteur
Documents disponibles écrits par cet auteur (8)
Ajouter le résultat dans votre panier Affiner la recherche
Article
Manfred Lieser, AuteurBasic scientific research and recommendation guidelines for the protection of the Capercaillie in the Black ForestThe dramatic decline of the Capercaillie Tetrao urogallus in Central Europe correlates with the gradual deterioration of its habita[...]
Article
Darja V. Kuznetsova, Auteur ; Viktor O. Salovarov, Auteur ; Manfred Lieser, AuteurSpring fires produce fundamental changes of the forest bird communities in the Baikal area, due to destruction of nests and habitat modifications. Out of 24 species inhabiting old pine forests, only three (Tree Pipit, Coal Tit, Scarlet Rosefinch[...]
Article
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[...]
Article
Manfred Lieser, Auteur ; Marek Zakrzewski, AuteurIn four years we collicted information about the reproductive biology of ptarmigan in North-East Greenland. The data correspond well to that from other parts of the species' range. The average clutch size was 8.7 (7-12) eggs. The earliest day of[...]
Article
Bonnie Anna Klein, Auteur ; Manfred Lieser, AuteurIn winter 2004/05, we collected 143 cormorant pellets under roost trees in the nature reserve "Radolfzeller Aachried" The fish consumed by the birds are supposed to originate from the Zeller See, the westernmost part of the Lake of Constance. We[...]
Article
Manfred Lieser, Auteur ; Marek Zakrzewski, AuteurFrom 1996-1999, 15 ptarmigan (7 male, 8 female) were radio-tracked between early June and mid-August on Traill Island (northeastern Greenland), providing many data about spacing and social behaviour during the breeding and chick-rearing period. [...]
Article
Geoffrey A. Manley, Auteur ; Manfred Lieser, Auteur ; Peter Berthold, Auteur
