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The site was identified as internationally important for bird conservation in 2007 because it was regularly supporting significant populations of the species listed below, meeting ('triggering') IBA criteria.

Populations meeting IBA criteria ('trigger species') at the site:

Species	Red List	Season (year/s of estimate)	Size	IBA criteria
Whooper Swan Cygnus cygnus	LC	winter (2001–2006)	158 birds	B1i, B3, C2, C6

Ideally the conservation status of the IBA will have been checked regularly since the site was first identified in 2007. The most recent assessment (2007) is shown below.

State (condition of the trigger species' populations)
Species	Actual vs Reference (units)	% remaining	Result
Whooper Swan Cygnus cygnus	158 / 260 (birds)	61	poor

Pressure (threats to the trigger species and/or their habitats)
Threat	Timing	Scope	Severity	Result
Transportation and service corridors	likely in short term (<4 years)	few indivi­duals/small area (<10%)	moderate decline (10–30% over 3 gener­ations)	low
Residential and commercial development	likely in short term (<4 years)	few indivi­duals/small area (<10%)	slow decline (1–10% over 3 gener­ations)	low

Response (conservation actions taken for the trigger species and/or their habitats)
Designation	Planning	Action	Result
Whole area (>90%) covered by appropriate conservation designation	A management plan exists, but it is out of date or not compre­hensive	Very little or no conservation action taking place	low

Year	Protected Area	Designation (management category)	% coverage of IBA
1998	Black Cart	Site of Special Scientific Interest (UK) (IV)	100

Habitat	% of IBA	Habitat detail
Grassland	-	Humid grasslands
Wetlands (inland)	-	Rivers and streams

Land use	% of IBA
agriculture	95
water management	5

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Black Cart (United Kingdom). Downloaded from https://datazone.birdlife.org/site/factsheet/black-cart-iba-united-kingdom on 23/12/2024.