Alluvial forest with Alnus glutinosa and Fraxinus excelsior (Alno-padnion, Alnion incanae, Salicion albae (91E0) is a priority Annex I habitat of the Habitats Directive 92/43/EEC. This habitat is a key conservation interest of the Lower River Shannon candidate Special Area of Conservation (cSAC). Here are is a selection of photos taken within the alluvial woodland along the Old River Shannon, and this habitat broadly corresponds to the priority EU Annex I habitat 91EO Alluvial woodland.
For discussion see this post ‘Sustainable management required for the alluvial woodland of the Lower Shannon‘.