Palsa mires

English name: Palsa mires

Description (English)

Mires of the subarctic and northern boreal regions formed by elevated frozen mounds or ridges (palsas), 0.5 to 8 m high and up to 50 m in diameter, interspersed wet hollows of similar area. Palsa mires are distributed in the discontinuous permafrost zone of Iceland, northern Fennoscandia and arctic Russia, in areas experiencing subzero temperatures for at least 200 days per year.

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

Quick facts

EUNIS habitat type code D3.1
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
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 lasiocarpae Vanden Berghen in Lebrun et al. 1949 Mesotrophic sedge fens of wet sites on peat and mineral soils of Europe Acrocladio-Caricion Succow 1974; Carici lasiocarpae-Eriophorion vaginati Voroiov et al. 1997; Caricion chordorrhizo-lasiocarpae (Vanden Berghen in Lebrun et al. 1949) Julve 1993; Eriophorion gracilis Preising in Oberd. 1957; Junco acutiflori-Caricion lasiocarpae Julve 1993; Junco subnodulosi-Caricion lasiocarpae Julve 1993; Meeseo-Caricion limosae (Preising in Oberd. 1957) Passarge 1978; Stygio-Caricion limosae Nordhagen 1943 p.p.; Caricion diandrae Palczynski 1975 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
Oxycocco microcarpi-Empetrion hermaphroditi Nordhagen ex Du Rietz 1954 Bogs of boreal-arctic zones and in alpine belt in nemoral mountain ranges of Eurasia Oxycocco-Empetrion hermaphroditi Nordhagen 1936; Oxycocco-Empetrion hermaphroditi Nordhagen 1943; Oxycocco-Empetrion hermaphroditi Nordhagen ex Hadac et Vána 1967; Eu-Fuscion Du Rietz 1950 (orig. form); Vaccinion microcarpi Julve 1992 Schaminee et al, 2012
Sphagnion cuspidati Krajina 1934 Vegetation of stagnant, acid, dystrophic waters in pools of bogs on deep peats of Europe Caricion rotundatae Kalliola 1939; Droserion intermediae Succow 1974; Leuko-Scheuchzerion palustris Nordhagen 1943; Molinio caeruleae-Rhynchosporion albae (Koch 1926) de Foucault 1984; Rhynchosporion albae sensu auct., non Koch 1926; Scheuchzerion palustris Nordhagen 1936; Scheuchzerion palustris Nordhagen ex Tx. 1937; Scheuchzerio-Rhynchosporion albae (Koch 1926) Succow 1974; Scheuchzerio-Rhynchosporion albae Duvigneaud 1949; Sphagnion cuspidati Krajina 1933; Stygio-Caricion limosae Nordhagen 1943; Scheuchzerion palustris Nordhagen 1937 Schaminee et al, 2012
Caricion fuscae Koch 1926 Fen meadows with dominating sedges and forbs on non-calcareous soils of temperate Europe and high-altitudes of Mediterranean Caricion canescenti-fuscae Nordhagen ex Tx. 1937; Caricion nigrae Koch 1926 nom. mut. propos.; Agrostio caninae-Caricion curtae Julve 1993; Anagallido tenellae-Juncion bulbosi Br.-Bl. 1967; Carici-Nardion V. Randelovic 1998; Caricion canescenti-goodenowii Nordhagen 1936; Caricion canescenti-nigrae Nordhagen 1936 nom. mut. propos.; Caricion canescenti-nigrae Nordhagen ex Tx. 1937 nom. mut. propos.; Caricion curto-nigrae (Koch 1926) Westhoff et Den Held 1969; Comaro palustris-Juncion effusi Passarge 1999; Drepanocladion exannulati Krajina 1933; Eriophorion scheuchzeri Hadac 1939; Narthecion scardici Horvat 1960; Parvocaricion canescentis-fuscae Duvigneaud et Vanden Berghen 1945; Ranunculo-Caricion fuscae Passarge 1978; Sphagnion teretis Succow 1974; Anagallido tenellae-Juncion acutiflori Br.-Bl. 1967 nom. corr. propos.; Calamagrostion neglectae Palczynski 1975; Carici-Narthecion scardici Horvat 1936; Caricion canescenti-fuscae Nordhagen 1936 nom. mut. propos.; Caricion canescenti-goodenowii Nordhagen 1937; Drepanocladion exannulati Krajina 1934; Narthecion scardici Horvat 1936; Narthecion scardici Horvat ex Lakušic 1968; Narthecion scardici Horvat ex Lakušic 1970; Rhynchosporion albae Koch 1926 nom. dubium propos. Schaminee et al, 2012

Species mentioned in habitat description

Not available

Other classifications

Classification Code Habitat type name Relationship type
Palaearctic Habitat Classification 200112 54.9 Palsa mires same
CORINE Land Cover 4.1.2. Peatbogs n/a
Ramsar Wetland Types Vt Tundra wetlands wider
For relation to plant communities (syntaxa), see Vegetation types
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