Key Biodiversity Areas

Marwick Head (2535)
United Kingdom, Europe

Site overview


KBA status: confirmed
Year of last assessment: 2007
National site name: Marwick Head
Central coordinates: Latitude: 59.1072, Longitude: -3.3513
System: marine, terrestrial
Elevation (m): 0 to 76
Area of KBA (km2): 0.0869
Protected area coverage (%): 99.68
KBA classification: Global/Regional TBD
Legacy site: Yes

Site details


Site description: A short section of eroded sandstone cliffs and associated maritime grassland on the west coast of Orkney Mainland, important for breeding seabirds.
Rationale for qualifying as KBA: This site qualifies as a Key Biodiversity Area of international significance because it meets one or more previously established criteria and thresholds for identifying sites of biodiversity importance (including Important Bird and Biodiversity Areas, Alliance for Zero Extinction sites, and Key Biodiversity Areas)
Delineation rationale: First identified in 1989; no significant boundary changes since then. SPA boundary used from JNCC; digitised at 1:10,000 scale.

Habitats


Land use: nature conservation and research (100%)
IUCN HabitatCoverage %Habitat detail
Marine Coastal/Supratidal50
Grassland50

Threats


Threat level 1Threat level 2Threat level 3Timing
Climate change & severe weatherHabitat shifting & alterationOngoing