UK List of Priority Habitats

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UK BAP Habitat	Major Changes	Link to Definition
Aquifer Fed Naturally Fluctuating Water Bodies	No change	Aquifer Fed Naturally Fluctuating Water Bodies
Arable Field Margins	Revised name; (currently Cereal field margins)	Arable Field Margins
Blanket Bog	No change	Blanket Bog
Blue mussel beds	New habitat	Blue mussel beds
Calaminarian Grasslands	New habitat	Calaminarian Grasslands
Carbonate mounds	New habitat	Carbonate mounds
Coastal and Floodplain Grazing Marsh	No change	Coastal and Floodplain Grazing Marsh
Coastal saltmarsh	No change	Coastal saltmarsh
Coastal Sand Dunes	No change	Coastal Sand Dunes
Coastal Vegetated Shingle	No change	Coastal Vegetated Shingle
Cold-water coral reefs	Revised name; (currently Lophelia pertusa reefs)	Cold-water coral reefs
Deep-sea sponge communities	New habitat	Deep-sea sponge communities
Estuarine rocky habitats	New habitat	Estuarine rocky habitats
Eutrophic Standing Waters	No change	Eutrophic Standing Waters
File shell beds	New habitat	File shell beds
Fragile sponge & anthozoan communities on subtidal rocky habitats	New habitat	Fragile sponge & anthozoan communities on subtidal rocky habitats
Hedgerows	Revised name; expanded scope	Hedgerows
Horse mussel beds	Revised name; (currently Modiolus modiolus beds)	Horse mussel beds
Inland Rock Outcrop and Scree Habitats	New habitat	Inland Rock Outcrop and Scree Habitats
Intertidal chalk	Revised name; (currently within Littoral and sublittoral chalk HAP)	Intertidal chalk
Intertidal mudflats	Revised name; (currently Mudflats)	Intertidal mudflats
Intertidal underboulder communities	New habitat	Intertidal underboulder communities
Limestone Pavements	No change	Limestone Pavements
Lowland Beech and Yew Woodland	No change	Lowland Beech and Yew Woodland
Lowland Calcareous Grassland	No change	Lowland Calcareous Grassland
Lowland Dry Acid Grassland	No change	Lowland Dry Acid Grassland
Lowland Fens	Revised name; (currently Fens)	Lowland Fens
Lowland Heathland	No change	Lowland Heathland
Lowland Meadows	No change	Lowland Meadows
Lowland Mixed Deciduous Woodland	No change/New Habitat	Lowland Mixed Deciduous Woodland
Lowland Raised Bog	No change	Lowland Raised Bog
Machair	No change	Machair
Maerl beds	No change	Maerl beds
Maritime Cliff and Slopes	No change	Maritime Cliff and Slopes
Mesotrophic Lakes	No change	Mesotrophic Lakes
Mountain Heaths and Willow Scrub	New habitat	Mountain Heaths and Willow Scrub
Mud habitats in deep water	No change	Mud habitats in deep water
Native Pine Woodlands	No change	Native Pine Woodlands
Oligotrophic and Dystrophic Lakes	New habitat	Oligotrophic and Dystrophic Lakes
Open Mosaic Habitats on Previously Developed Land	New habitat (originally Post-industrial sites)	Open Mosaic Habitats on Previously Developed Land
Peat and clay exposures	New habitat	Peat and clay exposures
Ponds	New habitat	Ponds
Purple Moor Grass and Rush Pastures	No change	Purple Moor Grass and Rush Pastures
Reedbeds	No change	Reedbeds
Rivers	New habitat, incorporating an existing habitat (Chalk Rivers). Further work by specialists is required to develop guidelines for the identification of river reaches which will be priorities for UK BAP action.	Rivers
Sabellaria alveolata reefs	No change	Sabellaria alveolata reefs
Sabellaria spinulosa reefs	No change	Sabellaria spinulosa reefs
Saline lagoons	No change	Saline lagoons
Seagrass beds	No change (includes both intertidal and subtidal beds)	Seagrass beds
Seamount communities	New habitat	Seamount communities
Serpulid reefs	No change	Serpulid reefs
Sheltered muddy gravels	No change	Sheltered muddy gravels
Subtidal chalk	Revised name; (currently within Littoral and sublittoral chalk HAP)	Subtidal chalk
Subtidal sands and gravels	Revised name; (currently Sublittoral sands and gravels)	Subtidal sands and gravels
Tide-swept channels	Name change and habitat expansion	Tide-swept channels
Traditional Orchards	New habitat	Traditional Orchards
Upland Birchwoods	No change/New Habitat	Upland Birchwoods
Upland Calcareous Grassland	No change	Upland Calcareous Grassland
Upland Flushes, Fens and Swamps	New habitat	Upland Flushes, Fens and Swamps
Upland Hay Meadows	No change	Upland Hay Meadows
Upland Heathland	No change	Upland Heathland
Upland Mixed Ashwoods	No change/New Habitat	Upland Mixed Ashwoods
Upland Oakwood	No change	Upland Oakwood
Wet Woodland	No change	Wet Woodland
Wood-Pasture & Parkland	Revised name; expanded scope	Wood-Pasture & Parkland