Hornsea Mere (United Kingdom) IBA | Details

UK031

Hornsea Mere

Current view: Data table and detailed info

IBA Justification

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
Little Gull Hydrocoloeus minutus	LC	non-breeding (1994–1995)	2,000 birds	A4i, B1i, C3

IBA Conservation

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.

IBA conservation assessment
Year of assessment	State	Pressure	Response
2007	poor	high	low
Whole site assessed?	State assessed by	Accuracy of information
yes	population	good

State (condition of the trigger species' populations)
Species	Actual vs Reference (units)	% remaining	Result
Barnacle Goose Branta leucopsis	115 / 185 (birds)	63	poor
Gadwall Mareca strepera	191 / 300 (birds)	64	poor

Pressure (threats to the trigger species and/or their habitats)
Threat	Timing	Scope	Severity	Result
Pollution	happening now	most of population/area (50–90%)	slow decline (1–10% over 3 generations)	high
Natural system modifications	happening now	few individuals/small area (<10%)	slow decline (1–10% over 3 generations)	low
Energy production and mining	likely in short term (<4 years)	few individuals/small area (<10%)	moderate decline (10–30% 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	Unknown	Some limited conservation initiatives are in place	low

IBA Protection

Year	Protected Area	Designation (management category)	% coverage of IBA
1983	Hornsea Mere	Site of Special Scientific Interest (UK) (IV)	100

Habitats

Habitat	% of IBA	Habitat detail
Forest	-	Broadleaved deciduous woodland; Alluvial and very wet forest
Wetlands (inland)	-	Standing freshwater; Water fringe vegetation; Fens, transition mires and springs

Land use

Land use	% of IBA
agriculture	-
fisheries/aquaculture	-
nature conservation and research	-
tourism/recreation	-
water management	-

Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Hornsea Mere (United Kingdom). Downloaded from https://datazone.birdlife.org/site/factsheet/hornsea-mere-iba-united-kingdom on 22/12/2024.