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close| Location | Portugal, Azores |
| Central coordinates | 25o 2.00' West 36o 57.00' North |
| IBA criteria | A4ii, B1ii, B2, C2, C6 |
| Area | 128 ha |
| Altitude | 0 - 300m |
| Year of IBA assessment | 2002 |
Ornithological information Site of particularly important for the Cory's Shearwater and the Little Shearwater. Also important for the Madeiran Storm Petrel at regional scale.
Site description A IBA é constituída por duas zonas, sendo ambas constituídas por uma faixa ao longo da costa desde a beira-mar até ao rebordo da falésia. A zona da Ponta da Malbusca estende-se desde a Ribeira da Malbusca até ao porto da Ponta do Castelo e a zona da Ribeira de Santo António/Ribeira Grande, desde a Ribeira de Santo António até à Ribeira do Guilherme. As falésias são de difícil acesso, com mais de 200m de altura e com diversas reentrâncias. Os principais habitats são vegetação vivaz das costas de calhaus rolados e falésias com vegetação das costas macaronésicas.
Populations of IBA trigger species
| Species | Season | Period | Population estimate | Quality of estimate | IBA Criteria | IUCN Category |
|---|---|---|---|---|---|---|
| Cory's Shearwater Calonectris diomedea | breeding | 2001 | 3,909 breeding pairs | medium | A4ii, B1ii, B2, C2 | Least Concern |
| Little Shearwater Puffinus assimilis | breeding | 1997 | 40-80 breeding pairs | medium | B1ii, B2, C2, C6 | Least Concern |
| Madeiran Storm-petrel Oceanodroma castro | breeding | 1997 | 20-40 breeding pairs | medium | B2, C2, C6 | Least Concern |
Protected areas
| Protected area | Designation | Area (ha) | Relationship with IBA | Overlap with IBA (ha) | |
|---|---|---|---|---|---|
| Baia da Maia | Nature Reserve | 50 | protected area contained by site | 0 |
|
| Ponta do Castelo - Ilha de Sta. Maria - PTSMA0022 | Habitats Directive | 320 | protected area overlaps with site | 37 |
Habitats
| IUCN habitat | Habitat detail | Extent (% of site) |
|---|---|---|
| Introduced/exotic vegetation | - | |
| Coastline | Sea cliffs and rocky shores | - |
| Rocky areas | Scree & boulders | - |
Land use
| Land-use | Extent (% of site) |
|---|---|
| agriculture | - |
| nature conservation and research | - |
| tourism/recreation | - |
Management considerations Feral terrestrial mammals (dogs, cats, rats and weasels) affect most of the seabirds, especially those who nest in holes and burrows. Invasive plant species like the cane reduces the available nesting habitat for seabirds. Seabird colonies are disturbed by illegal recreation activities.
Protection status National Natural Reserve Baía da MaiaInternational SCI Ponta do Castelo
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Recommended citation BirdLife International (2013) Important Bird Areas factsheet: Ponta da Malbusca e Ponta do Castelete. Downloaded from http://www.birdlife.org on 22/05/2013
To provide new information to update this factsheet or to correct any errors, please email BirdLife
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