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Documents disponibles écrits par cet auteur (4)
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Article
Simon Thorn, Auteur ; Franz Leibl, Auteur ; Juergen Wohlfahrt, Auteur ; Joerg Mueller, AuteurWindthrows are currently the main disturbance in the spruce forests that dominate the Central German Uplands. Such large clearings in mountainous regions provide suitable habitats for endangered birds of open habitats. With this in mind we condu[...]
Article
Franz Leibl, AuteurIn 2007 and 2008 Purple Herons bred at three different locations in Bavaria (Main/Lower Franconia, Aischgrund/Middle Franconia, Danube valley/East Bavaria). In 2007 4 pairs were successful. For 2 other pairs, no breeding success was recorded. A [...]
Article
Franz Leibl, AuteurFrom 1981 to 1995, Black-crowned Night Herons bred only at a single location in the Danube valley of eastern Bavaria. The population varied between 2 and 7 breeding pairs. After damming of the river near Straubing, two more colonies were founded[...]
Article
Maria Engl, Auteur ; Franz Leibl, Auteur ; Klaus Mooser, Auteur1. The breeding population of the curlew in fens (wet meadows) in the Isar river valley northeast of the Bavarian city of Landshut (Mettenbacher Moos, Griesenbacher Moos) has been documented annually since 1986. In 1999 and 2003 additional data [...]
