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Location Portugal, Azores
Central coordinates 27o 59.45' West  39o 3.27' North
IBA criteria A1, A4ii, A4iii, B1ii, C2, C4
Area 27,700 ha
Altitude
Year of IBA assessment 2008

Sociedade Portuguesa para o Estudo das Aves



Site description This IBA surrounds Graciosa island entirely, as there are populations of Common Tern and Roseate Tern that feed in waters around the island almost exclusively (Verónica Neves com pess.). Around the main island there are smaller islands, two of which are classified as SPA: Baixo and Praia islets, where breeds all of the breeding population of hot-season Madeiran Storm-petrel (Monteiro's Storm-petrel) known in the world, estimated approximately at 250 to 450 pairs. On the Baixo islet, seven species of seabird breed, in what is one of the most important multispecific colonies in the archipelago, while on Praia islet the largest breeding colonies of Common Tern and Madeiran Storm-petrel are to be found, as well as an important Roseate Tern colony. Fishing in the IBA is not very extensive and is mostly traditional fishing, despite the fact that the depths around Graciosa are very rich, as the increase in recreational diving in this area shows (Meirinho et al. 2003).

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Calonectris diomedea breeding  1996-2001  25,868 individuals  poor  A4ii, B1ii, C2  Not Recognised 
Puffinus assimilis breeding  1999  120-140 breeding pairs  medium  B1ii, C2  Not Recognised 
Band-rumped Storm-petrel Hydrobates castro breeding  1999  440-480 breeding pairs  good  A4ii, B1ii, C2  Least Concern 
Monteiro's Storm-petrel Hydrobates monteiroi breeding  2008  230-250 breeding pairs  good  A1  Vulnerable 
Roseate Tern Sterna dougallii breeding  2004-2008  140-467 breeding pairs  good  B1ii, C2  Least Concern 
A4iii Species group - seabirds breeding  1996-2001  26,000 individuals  poor  A4iii, C4   

Protected areas

Protected area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)  
Ilha Graciosa Natural Park 0 protected area contained by site 0  
Ilhéu da Praia - Ilha Graciosa - PTZPE0030 Birds Directive 12 protected area is adjacent to site 0  
Ilhéu de Baixo - Ilha Graciosa - PTZPE0029 Birds Directive 30 protected area is adjacent to site 0  
Ilhéu de Baixo - Restinga Ilha Graciosa - PTGRA0015 Habitats Directive 249 protected area overlaps with site 0  
Ponta Branca - Ilha Graciosa - PTGRA0016 Habitats Directive 75 protected area overlaps with site 0  

Habitats

IUCN habitat Habitat detail Extent (% of site)
Sea Sea inlets and coastal features  100%

Land use

Land-use Extent (% of site)
military -
tourism/recreation -
fisheries/aquaculture -
nature conservation and research 28%
Notes: Ilhéu de Baixo - Restinga SCI (PTGRA015); Ponta Branca SCI (PTGRA016); Parque Natural da Ilha Graciosa; Full Reserve Area for Gathering Limpets; Biosphere Reserve;

Protection status Ilhéu de Baixo - Restinga SCI (PTGRA015); Resolution 30/98 of 5th February ratified by Declaration 12/98 of 7th May - 1% coincides with the IBA. Ponta Branca SCI (PTGRA016); Resolution 30/98 of 5th February raified by Declaration 12/98 of 7th May - 1% coincides with the IBA. Parque Natural da Ilha Graciosa; Regional Decree n.º 45/2008/A de 5 de Novembro - 3% coincides with IBA. Full Reserve Area for Gathering Limpets; Regional Regulation Decree nº 14/93/A of 31st July - 28% coincides with the IBA. Biosphere Reserve; SC-07/CONF.207/14 Paris, 22 Outubro 2007 – 17% coincides with IBA.

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Recommended citation  BirdLife International (2014) Important Bird Areas factsheet: Graciosa. Downloaded from http://www.birdlife.org on 26/07/2014

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