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Article
The Northern Bald Ibis Geronticus eremita in Morocco since 1900: Analysis of ecological requirements
Andre Schenker, Auteur ; Fabian Cahenzli, Auteur ; Karl G. Gutbrod, Auteur ; Michel Thévenot, Auteur ; Andreas Erhardt, AuteurThe Northern Bald Ibis (NBI) Geronticus eremita, is an ‘Endangered’ bird species of which only very few wild breeding colonies have survived along the Atlantic coast of south-west Morocco. This paper analyses ecological conditions of the 72 bree[...]
Article
Antoine Sierro, Auteur ; Andreas Erhardt, AuteurIncreasing light emissions caused by human activities have been recognized as a major threat for nocturnal animals. In Switzerland, the European Nightjar is a rare bird, decreasing in numbers since the 1970s, and is therefore highly threatened. [...]
Article
Bruno Baur, Auteur ; Cristina Cremene, Auteur ; Gheorghe Groza, Auteur ; Laszlo Rakosy, Auteur ; Anatoli A. Schileyko, Auteur ; Anette Baur, Auteur ; Peter Stoll, Auteur ; Andreas Erhardt, AuteurRecent changes in agriculture (intensification or abandonment) have resulted in a critical reduction of semi-natural grasslands in Eastern Europe. Subalpine semi-natural grasslands in Transylvania, Romania, harbour a high diversity of plants and[...]
