Oligotrophic swamp alder woods

English name: Oligotrophic swamp alder woods

Description (English)

Oligotrophic or meso-oligotrophic, acidocline Alnus glutinosa woods of fens and poorly drained banks of brooks or small rivers of western Europe, mostly characteristic of siliceous regions and Atlantic climates, south to Galicia. Betula pubescens and Frangula alnus often accompany the alders. The ground layer is usually rich in Sphagnum spp. and includes Carex laevigata, Equisetum sylvaticum and many ferns, including Oreopteris limbosperma, Blechnum spicant, Athyrium filix-femina, Dryopteris cristata and Dryopteris carthusiana.

Source: EUNIS habitat classification

Quick facts

EUNIS habitat type code G1.412
Bern Convention Included in a Resolution 4 habitat type at a higher level (G1.41)

Vegetation types

Relation to vegetation types (syntaxa)

Not available

Species mentioned in habitat description

Ferns Athyrium filix-femina
Ferns Blechnum spicant
Ferns Dryopteris carthusiana
Ferns Dryopteris cristata
Ferns Equisetum sylvaticum
Ferns Oreopteris limbosperma
Flowering Plants Alnus glutinosa
Flowering Plants Betula pubescens
Flowering Plants Carex laevigata
Flowering Plants Frangula alnus
Species scientific name English common name Species group
Athyrium filix-femina Ferns
Blechnum spicant Ferns
Dryopteris carthusiana Ferns
Dryopteris cristata Ferns
Equisetum sylvaticum Ferns
Oreopteris limbosperma Ferns
Alnus glutinosa Flowering Plants
Betula pubescens Flowering Plants
Carex laevigata Flowering Plants
Frangula alnus Flowering Plants

Other classifications

Classification Code Habitat type name Relationship type
Palaearctic Habitat Classification 200112 44.912 Oligotrophic swamp alder woods source
For relation to plant communities (syntaxa), see Vegetation types

History

Classification Code Habitat type name Relationship type
EUNIS Habitat Classification 200410 G1.412 Oligotrophic swamp alder woods same
EUNIS Habitat Classification 200308 G1.412 Oligotrophic swamp alder woods same
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