Background
Alluvial forests with Alnus glutinosa and Fraxinus excelsior (Alno-Padion, Alnion incanae, Salicion albae) are a habitat of Community interest listed in the Annex I of the Habitats Directive 92/43/EEC. However, in the flat plains of the Friuli-Venezia Giulia region, they are under increasing pressure.
Changes in the morphology and microdiversi ...