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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