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The site was identified as important 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 List1	Season	Year(s)	Size	IBA criteria
Tundra Swan Cygnus columbianus	LC	winter	2001-2006	203 individuals	A4i, B1i, B2, C2, C6
Pink-footed Goose Anser brachyrhynchus	LC	winter	2001-2006	10,515 individuals	A4i, B1i, C3
Eurasian Wigeon Mareca penelope	LC	winter	2001-2006	19,011 individuals	A4i, B1i, C3
Pied Avocet Recurvirostra avosetta	LC	passage	2001-2006	1,001 individuals	B1i, B2, C2, C6
Eurasian Golden Plover Pluvialis apricaria	LC	passage	2001-2006	4,984 individuals	C6
Eurasian Golden Plover Pluvialis apricaria	LC	winter	2001-2006	17,745 individuals	B1i, C2, C6
Black-tailed Godwit Limosa limosa	NT	passage	2001-2006	1,418 individuals	B1i, C3
Black-tailed Godwit Limosa limosa	NT	winter	2001-2006	1,453 individuals	B1i, C3
Common Tern Sterna hirundo	LC	breeding	2006	202 breeding pairs	C6
A4iii Species group - waterbirds	n/a	passage	2001-2006	23,024 individuals	A4iii, C4
A4iii Species group - waterbirds	n/a	winter	2001-2006	85,698 individuals	A4iii, C4

1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (2007) may differ.

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	Reference	Actual	Units	% remaining	Result
Tundra Swan Cygnus columbianus	375	203	individuals	55	unfavourable
Pink-footed Goose Anser brachyrhynchus	14	10,515	individuals	100	favourable
Eurasian Wigeon Mareca penelope	4,540	19,011	individuals	100	favourable
Eurasian Golden Plover Pluvialis apricaria	1,670	4,984	individuals	100	favourable
Eurasian Golden Plover Pluvialis apricaria	4,350	17,745	individuals	100	favourable
Black-tailed Godwit Limosa limosa	215	1,453	individuals	100	favourable
Black-tailed Godwit Limosa limosa	130	1,418	individuals	100	favourable
A4iii Species group - waterbirds	40,998	85,698	individuals	100	favourable

Pressure (threats to the trigger species and/or their habitats)
Threat	Timing	Scope	Severity	Result
Natural system modifications	happening now	some of area/population (10-49%)	slow but significant deterioration	medium
Energy production and mining	likely in short term (within 4 years)	small area/few individuals (<10%)	moderate to rapid deterioration	low
Transportation and service corridors	likely in short term (within 4 years)	small area/few individuals (<10%)	moderate to rapid deterioration	low
Pollution	happening now	small area/few individuals (<10%)	slow but significant deterioration	low

Response (conservation actions taken for the trigger species and/or their habitats)
Protected areas	Management plan	Other action	Result
Most of site (50-90%) covered (including the most critical parts for important bird species)	A management plan exists but it is out of date or not comprehensive	Some limited conservation initiatives are in place	low

Year	Protected Area	Designation	% overlap with IBA
-	Berney Marshes and Breydon Water	RSPB Reserve	32
1968	Breydon Water	Local Nature Reserve	20
1985	Berney Marshes & Breydon Water	Nature Reserve	30
1987	Breydon Water	Site of Special Scientific Interest (UK)	25
1988	Broads	National Park	100
1994	Breydon Water	Special Protection Area (Birds Directive)	58
1995	Halvergate Marshes	Site of Special Scientific Interest (UK)	33
1996	Breydon Water	Ramsar Site, Wetland of International Importance	58
2011	Breydon Water	Marine Protected Area (OSPAR)	20

Habitat1	Habitat detail	% of IBA
Marine Intertidal		major (>10)
Marine Neritic		major (>10)

1. IUCN Habitat classification.

Land use	% of IBA
hunting	-
nature conservation and research	-
tourism/recreation	-

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Breydon Water (United Kingdom). Downloaded from https://datazone.birdlife.org/site/factsheet/breydon-water-iba-united-kingdom on 22/11/2024.