• Summary
• Text account
• Data table and detailed info
• Map
• Reference and further resources

Year of most recent IBA criteria assessment: 2007

Populations of IBA trigger species

Species	Current IUCN Red List Category	Season	Year(s) of estimate	Population estimate	IBA Criteria Triggered
Pied Avocet Recurvirostra avosetta	LC	winter	2001-2006	384 individuals	C6

Note: This table presents the IBA criteria triggered and the species that triggered then at the time of assessment, the current IUCN Red List category may vary from that which was in place at that time.

For more information about the IBA assessment process and criteria please click here

Threats to the site (pressure)
Threat Level 1	Threat Level 2	Timing	Scope	Severity	Result
No known threats	no known threats	happening now	small area/few individuals (<10%)	no or imperceptible deterioration	low

Condition of key/trigger populations (state)
Scientific	Common	TargetPop	ActualPop	Units	Remaining	Result
Recurvirostra avosetta	Pied Avocet	195	384	individuals	100	favourable
Calidris alpina	Dunlin	5700	1623	individuals	29	very unfavourable

Conservation actions taken at site (response)
Conservation Designation	Management Planning	Conservation Action	Result
Whole area of site (>90%) covered by appropriate conservation designation	Unknown	Unknown	low

For more information about IBA monitoring please click here

Protection status:

Protected Area	Designation	Area (ha)	Relationship with IBA	Overlap with IBA (ha)
Tamar Valley	Area of Outstanding Natural Beauty	19,652	protected area overlaps with site	1,489
Tamar Estuary Sites	Marine Conservation Zone	1,530	protected area overlaps with site	0
Tamar Estuary	Marine Protected Area (OSPAR)	1,500	protected area overlaps with site	0
Tamar Estuaries Complex	Special Protection Area (Birds Directive)	1,945	is identical to site	1,939
Tamar Estuaries Complex	Marine Protected Area (OSPAR)	0	protected area overlaps with site	0
Tamar - Tavy Estuary	Site of Special Scientific Interest (UK)	1,414	protected area overlaps with site	1,131
St John's Lake	Site of Special Scientific Interest (UK)	266	protected area overlaps with site	270
Plymouth Sound and Estuaries	Marine Protected Area (OSPAR)	0	protected area overlaps with site	0
Plymouth Sound And Estuaries	Site of Community Importance (Habitats Directive)	6,387	protected area contains site	0
Lynher Estuary	Site of Special Scientific Interest (UK)	673	protected area overlaps with site	533
Lopwell Dam	Local Nature Reserve	5	protected area overlaps with site	0
Erth Barton and Erth Island	Nature Reserve	84	protected area overlaps with site	0

IUCN Habitat	Habitat detail	Extent (% of site)
Forest	Broadleaved deciduous woodland, Mixed woodland	-
Grassland		-
Wetlands (inland)	Tidal rivers and enclosed tidal waters, Mud flats and sand flats, Salt marshes, Rivers and streams, Fens, transition mires and springs	-
Coastline	Sea cliffs and rocky shores	-

For further information about the habitat classification please click here.

Land-use	Extent (% of site)
tourism/recreation	-

For further information about the land use classification please click here.

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Recommended citation
BirdLife International (2021) Important Bird Areas factsheet: Tamar Estuaries Complex. Downloaded from http://www.birdlife.org on 20/04/2021.