Description
Appreciable hydrophytic vegetation: Lago Santo has a bank vegetation belt that is home to some species that are rare in the province.
The site is also of importance for the nesting, stopping and/or wintering of bird species that are protected or in strong decline, and/or have a localised distribution in the Alps. Presence of Annex II invertebrates indicating good naturalness of running waters.
Habitats of special interest not included in Annex I of Directive 92/43/EEC are present: Phragmition (2%), Magnocaricion.