EUNIS habitat classification 2012 > D - Mires, bogs and fens > D4 - Base-rich fens and calcareous spring mires > D4.1 - Rich fens, including eutrophic tall-herb fens and calcareous flushes and soaks

Rich fens, including eutrophic tall-herb fens and calcareous flushes and soaks

English name: Rich fens, including eutrophic tall-herb fens and calcareous flushes and soaks

Description (English)

Wetlands and spring-mires, seasonally or permanently waterlogged, with a soligenous or topogenous base-rich, often calcareous water supply. Peat formation, when it occurs, depends on a permanently high watertable. Rich fens may be dominated by small or larger graminoids (Carex spp., Eleocharis spp., Juncus spp., Molinia caerulea, Phragmites australis, Schoenus spp., Sesleria spp.) or tall herbs (e.g. Eupatorium cannabinum). Where the water is base-rich but nutrient-poor, small sedges usually dominate the mire vegetation, together with a "brown moss" carpet. Hard-water spring mires (D4.1N) often contain tufa cones and other tufa deposits. Excluded is the water body of hard-water springs (C2.1); calcareous flushes of the alpine zone are a separate category (D4.2). Rich fens are exceptionally endowed with spectacular, specialised, strictly restricted species. They are among the habitats that have undergone the most serious decline. They are essentially extinct in several regions and gravely endangered in much of central and western Europe.

Source:
EUNIS habitat classification
Interpretation Manual of the habitats targeted by Resolution No. 4

Quick facts

EUNIS habitat type code D4.1
Bern Convention Resolution 4 habitat type (used for designation of Emerald sites)
Relation to Annex I habitat types (EU Habitats Directive)

Vegetation types

Relation to vegetation types (syntaxa)

Name Definition Other names Reference
Dupontion fischeri Hadac 1946 Arctic subsaline coastal peaty meadows on clayey soils of Svalbard and Greenland Caricion stantis Elvebakk 2002 Schaminee et al, 2012
Sphagno-Tomentypnion Dahl 1956 Calcium-rich fens of boreal zone and mountains of Central Europe Betulo nanae-Tomentypnion nitentis Smagin 1999; Caricion pulicaris Passarge 1964; Caricion demissae Rybnícek 1964; Caricion tumidicarpae Rybnícek 1964; Bistorto-Caricion diandrae Smagin 2007 Schaminee et al, 2012
Caricion davallianae Klika 1934 Small-sedge rich-fen vegetation of calcareous oligotrophic flushes, soligenous mires and dune slacks at low altitudes of Europe Baeothryion alpini Julve 1993; Caricion paradoxae Vicherek 1958; Caricion pulchello-trinervis de Foucault 1984; Caricion pulchello-trinervis de Foucault ex Julve 1989; Caricion viridulae ssp. viridulae var. pulchello-trinervis (de Foucault 1984) Julve 1989; Eleocharition pauciflorae Passarge 1964; Eleocharition quinqueflorae Passarge 1968 or 1978; Epipactido-Schoenion ferruginei (Klika 1934) Duvigneaud 1949; Eriophorion latifolii Br.-Bl. et Tx. 1943; Hydrocotylo vulgaris-Schoenion nigricantis de Foucault 1984; Hydrocotylo vulgaris-Schoenion nigricantis de Foucault 2009; Schoenion continentale Pignatti 1953; Schoenion ferruginei Nordhagen 1936; Scorpidion Du Rietz 1949; Caricion incurvae Br.-Bl. in Volk 1940; Caricion maritimae Br.-Bl. in Volk 1940 nom. mut. propos.; Eriophorion latifolii Br.-Bl. et Tx. ex Soó 1947; Schoenion ferruginei Nordhagen 1937 Schaminee et al, 2012
Caricion atrofusco-saxatilis Nordhagen 1943 Small-sedge calcareous fens of Alps and European Arctic Caricion atrofuscae Nordhagen 1935; Caricion bicoloris Nordhagen 1935; Caricion bicoloris-atrofuscae Nordhagen 1936 Schaminee et al, 2012

Species mentioned in habitat description


List

Other classifications

Classification Code Habitat type name Relationship type
Palaearctic Habitat Classification 200112 54.2 Rich fens same
CORINE Land Cover 4.1.1. Inland marshes n/a
Nordic Vegetation Classification 1994 3.4.2.1d Hard Rush-Blunt-flowered Rush variant n/a
Phase 1 habitat classification (UK) 1993 E33B Fen: flood plain, basic not defined
Phase 1 habitat classification (UK) 1993 E32B Fen: basin mire, basic overlap
Phase 1 habitat classification (UK) 1993 E22 Flush and spring: basic overlap
Phase 1 habitat classification (UK) 1993 E33 Fen: flood plain not defined
Phase 1 habitat classification (UK) 1993 E32 Fen: basin mire overlap
Milieux Naturels de Suisse 1998 2.2.3 Parvocariçaie neutro-basophile same
Biotopes of the Czech Republic 2001 R2.1 VÁPNITÁ SLATINIŠTĚ (Calcareous fens) narrower
Biotopes of Slovakia 1996 8362200 Slatiny s vysokým obsahom uhlicitanov n/a
For relation to plant communities (syntaxa), see Vegetation types

History

Classification Code Habitat type name Relationship type
EUNIS Habitat Classification 200410 D4.1 Rich fens, including eutrophic tall-herb fens and calcareous flushes and soaks same
EUNIS Habitat Classification 200308 D4.1 Rich fens, including eutrophic tall-herb fens and calcareous flushes and soaks same
EUNIS Habitat Classification 200202 D4.1 Rich fens, including eutrophic tall-herb fens and calcareous flushes and soaks same
EUNIS Habitat Classification 199910 D4.1 Rich fens, including eutrophic tall-herb fens and calcareous flushes and soaks same
EUNIS Habitat Classification 199811 D4.1 Rich fens, including eutrophic tall-herb fens and calcareous flushes and soaks same
EUNIS Habitat Classification 199712 D4.1 Rich fens, including eutrophic tall-herb fens and calcareous flushes and soaks same
Palaearctic Habitat Classification 199905 54.2 Rich fens same
Palaearctic Habitat Classification 1997 54.2 Rich fens same
Palaearctic Habitat Classification 1996 54.2   same
Palaearctic Habitat Classification 1993 54.2   same
CORINE Biotopes Classification 1991 54.2   same
CORINE Biotopes Classification 1989 54.2   same
European Environment Agency (EEA)
Kongens Nytorv 6
1050 Copenhagen K
Denmark
Phone: +45 3336 7100