Machair complexes
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English name
|
Machair complexes
|
|
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EUNIS habitat type code
|
X27
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Level
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2
|
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Edition
|
EUNIS Habitat Classification 2012 - a revision of the habitat classification descriptions.
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Description ( English )
Machair complexes are characterised by the effects of wind-blown calcareous sand with a predominance of shell fragments, a low proportion of sand-binding vegetation and a long history of agricultural use. Machair in its strict sense (B1.9) refers to short-turf grassland on relatively flat and low-lying sand plains formed by dry or wet (seasonally waterlogged) sandy soil above peat or impermeable bedrock. Machair complexes (X27) correspond to machair in the broad sense, including the beach zone (B1.2), mobile and semi-fixed foredunes (B1.3), dune-slack pools (C1.16), fens (D4.1), lochs (C1), some of them brackish, and saltmarsh (A2.5), as well as machair grassland (B1.9) and land cultivated on a strip rotation (I1).
Source
Hill, M.O., Moss, D. & Davies, C.E. (2001)
External links
Relationships with other classifications
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Classification
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Code
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Title
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Relation type
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EUNIS Habitat Classification 200410
|
X27
|
Machair complexes
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same
|
|
EUNIS Habitat Classification 200308
|
X27
|
Machair complexes
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same
|
|
EUNIS Habitat Classification 200202
|
X27
|
Machair complexes
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same
|
|
EUNIS Habitat Classification 199910
|
X27
|
Machair complexes
|
same
|
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CORINE Land Cover
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2.4.2.
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Complex cultivation patterns
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n/a
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Phase 1 habitat classification (UK) 1993
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H65
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Sand-dune: dune grassland
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overlap
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Biodiversity Action Plan Priority Habitats (UK)
|
29
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Machair
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narrower
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|
|
X
|
Habitat complexes
|
Parent
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