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Table 2 An overview of delineated Natura 2000 habitats and habitats by the Croatian National Classification of Habitats (NCH) that are more or less associated with or dependent on groundwater, indicating the range of susceptibility to quantitative and qualitative groundwater change

From: Groundwater and connected ecosystems: an overview of groundwater body status assessment in Croatia

Natura 2000 code Type of habitat (Natura 2000) NCH code Type of habitat (NCH) Type of ecosystems Sensitivity to quantitative groundwater change Sensitivity to qualitative groundwater change
6410 Molinia meadows (Molinion caeruleae) C.2.2. Wet meadows of Central Europe GWDTE Low–moderate Low–moderate
6430 Wet and nitrophilous tall herb edge communities, along water courses and woodland borders (Convolvulion sepii, Filipendulion, Senecion fluviatilis) C.5.4. Lowland communities of high green GWDTE Moderate Moderate
7140 Transition mires and quaking bogs C.1.2. Acidophilic fans (transient and uplifted fans) GWDTE High High
7220 Petrifying springs with tufa formation (Cratoneurion) A.2.1.1.3. Helocrene spring GWDAE Very high Very high
8310 Caves and pits not open to the public H.1.3. Aquatic (freshwater) karst cave habitats GWDAE Very high Very high
8310 Caves and pits not open to the public H.1.3.1. Underground streams GWDAE Very high Very high
8310 Caves and pits not open to the public H.1.3.2.1. Underground lakes GWDAE Very high Very high
9160 Sub-Atlantic and medio-European oak or oak-hornbeam forests of the Carpinion betuli E.3.1.1. Common oak and common hornbeam forest (typical sub-association) GWDTE High Moderate
91EO Alluvial forests (Alno-Padion, Alnion incanae, Salicion albae) E.2.1. Flooded forests of Alnus glutinosa and Fraxinus angustifolia GWDTE Moderate Low–moderate
91F0 Riparian mixed forests (Quercus robur, Ulmus laevis, Ulmus minor, Fraxinus excelsior or Fraxinus angustifolia) E.2. Flooded forests of Common oak, Alnus glutinosa and Fraxinus angustifolia GWDTE High Low–moderate
No code A.2.1. Springs GWDAE Very high Very high
No code A.2.1.1.1. Rheocrene springs GWDAE Very high Very high
No code A.2.1.1.2. Limnocrene springs GWDAE Very high Very high
No code H.3.2.1.2. Hyporheic zone GWDAE Moderate Moderate–high
No code H.4.2. Anthropogenic aquatic underground habitats (mines) GWDAE Very high Very high