Forests are a dominant type of vegatation in this region, you can also find some meadows and bushes. Moreover you can find here calcareous and petrifying springs as well as different types of swamps and peat-bogs.

There are as many as 25 types of habitats enlisted in Annex I of Habitat Directive:

• Alluvial forests with Alnus glutinosa and Fraxinus excelsior (Alno-Padion, Alnion incanae, Salicion albae)
• Luzulo-Fagetum beech forests
• Sub-Atlantic and medio-European oak or oak-hornbeam forests of the Carpinion betuli
• Old acidophilous oak woods with Quercus robur on sandy plains
• Alkaline fens
• Asperulo-Fagetum beech forests
• Galio-Carpinetum oak-hornbeam forests
• Lowland hay meadows (Alopecurus pratensis, Sanguisorba officinalis)
• Natural euthrophic lakes with Magnopotamion or Hydrocharition-type vegetation
• Active raised bogs
• Bog woodland
• Hydrophilous tall herb fringe communities of plains and of the montane to alpine levels
• Transition mires and quaking bogs
• Degraded raised bogs still capable of natural regeneration
• European dry heaths
• Molinia meadows on calcareous, peaty or clavey-silt-laden soils (Molinion caeruleae)
• Riparian mixed forest of Quercus robur, Ulmus laevis and Ulmus minor, Fraxinus excelsior or Fraxinus angustifolia along the great rivers (Ulmenion minoris)
• Rivers with muddy banks with Chenopodion rubri p.p. and Bidention p.p. vegetation
• Northern Atlantic wet heaths with Erica tetralix
• Xeric sand calcareous grasslands
• Depressions on peat substrates of the Rhynchosporion
• Water courses of plain to montane levels with the Ranunculion fluitantis and Callitricho-Batrachion vegetation
• Petrifying springs with tufa formation (Cratoneurion)
• Oligotrophic waters containing very few minerals of sandy plains (Littorelletalia uniflorae)
• Natural dystrophic lakes and ponds

The area of the refuge is also very precious thanks to the multitude of animal species living there. Salmons, trouts and graylings come here for spawning, moreover minnows, eels and vimbas also inhabit the waters of Parseta river. The river basin of Parseta is also a reproduction site of otters and a habitat for many species of birds. 34 of them are enlisted in Annex I of Birds Directive :

• Alcedo atthis
• Anthus campestris
• Aquila pomarina
• Asio flammeus
• Botaurus stellaris
• Bubo bubo
• Caprimulgus europaeus
• Chlidonias Niger
• Ciconia ciconia
• Ciconia nigra
• Circus aeruginosus
• Circus cyaneus
• Crex crex
• Dendrocopos medium
• Dryocopus martius
• Emberiza hortulana
• Ficedula albicollis
• Ficedula parva
• Grus grus
• Haliaeetus albicilla
• Lanius collurio
• Lullula arboreta
• Luscinia svecica
• Mergus albellus
• Milvus migrans
• Milvus milvus
• Pandion haliaetus
• Pernis apivorus