Baixo Islet

Baixo Islet (Portuguese: Ilhéu de Baixo; Lower Islet in English), also known locally as Ilhéu do Carapacho[1] (Carapace Islet) and historically as Ilhéu dos Homiziados[1] (Islet of the Fugitives), is a small uninhabited islet group located off the southeast coast of the island of Graciosa in the Portuguese archipelago of the Azores. Along with Praia Islet to its north, Baixo Islet is one of two main breeding places of Monteiro's storm petrel, an endemic marine bird of the Azores.

Baixo Islet
Native name:
Ilhéu de Baixo
Nickname: Ilhéu do Carapacho; Ilhéu dos Homiziados
The islet seen from Graciosa
Baixo Islet is located in Graciosa
Baixo Islet
Baixo Islet
Location of the islet off the coast of Graciosa
Geography
LocationAtlantic Ocean
Coordinates39°00′29″N 27°56′24″W
Area0.09 km2 (0.035 sq mi)
Administration
Autonomous regionAzores
Demographics
Populationuninhabited
This article is about an islet in the Azores. It is not to be confused with Cal Islet, an islet in Madeira sometimes also called "Ilhéu de Baixo".

Geography

Baixo Islet is in fact two basaltic islets, one much larger than the other. The islets are the exposed remains of a Surtseyan cone composed of volcanic tuff rock, heavily eroded by the ocean and seismic activity.[1] The larger main islet is located about 700 metres (2,300 ft) southeast[1]of Ponta da Restinga (Restinga Point), which is a small peninsula of Graciosa. It measures 9 hectares (22 acres) or 0.09 square kilometres (0.035 sq mi) in area, with a highest point of 74 metres (243 ft) above sea level.[1][2]

Biome

The islet and its exposed sea cliffs provide a habitat for flowering coastal plants endemic to the Azores, some of which are endangered, including Azorean forget-me-not (Myosotis azorica), Azorean spurge or erva-leiteira (Euphorbia azorica), bracel-da-rocha fescue grass (Festuca petraea), Spergularia azorica, and vidália (Azorina vidalii).[1]

Thanks to limited human access and a lack of predatory mammals such as cats, rats, and ferrets, the islet shelters a variety of marine birds. Along with Praia Islet to its north, Baixo Islet is one of two main breeding places of Monteiro's storm petrel, an endemic marine bird of the Azores.[3][4] Other marine birds present on the islet include band-rumped storm petrel, Barolo shearwater, black-headed gull, Bulwer's petrel, common tern, Cory's shearwater, Eurasian whimbrel, Fea's petrel, great black-backed gull, grey heron, Kentish plover, little egret, ruddy turnstone, sanderling, and yellow-legged gull.[1][2][4]

This biodiversity and abundance of endemic species led to the creation of a conservation area around the islet called the Zona Especial de Conservação do Ilhéu de Baixo e Ponta da Restinga (Baixo Islet and Restinga Point Special Conservation Zone).[1][2] The conservation zone is part of the Nature Park of Graciosa, one of the locally protected areas of the Azores. Since March 1990 the islet has been protected through the European Environment Agency's Natura 2000 initiative under the Habitats Directive and Birds Directive.[4]

History

Human access to the islet is infrequent and only possible by small boat.

Historically the islet was known as Ilhéu dos Homiziados (Islet of the Fugitives). According to Azorean chronicler Gaspar Frutuoso in his publication Saudades da Terra, the moniker derived from a possibly apocryphal 1541 occurrence. Seven young men landed on the island for recreational purposes and were trapped overnight by rough seas. Five of their friends jocularly referred to them as os homiziados (the fugitives) and endeavored to rescue them. Unfortunately, en route to the islet the rescuers' boat capsized, killing four of them.[1]

Two small volcanic islands with minimal vegetation as they appear from a neighboring island - the ocean, in dark blue, and the sky, in light blue, are also present in this image
Ilhéu de Baixo as seen from Ponta da Restinga on Graciosa

References
  1. Picanço, Carlos. "Ilhéu de Baixo". SIARAM (Sentir e Intrepretar o Ambiente dos Açores) [Feeling and Interpreting the Environment of the Azores] (in Portuguese). Retrieved May 18, 2020.
  2. "Nature Reserve of Ilhéu de Baixo". parquesnaturais.azores.gov.pt. Regional Secretariat for Agriculture and Environment of the Azores. 2011. Retrieved May 18, 2020.
  3. BirdLife International (2018). "Hydrobates monteiroi". IUCN Red List of Threatened Species. 2018. Retrieved 21 May 2020.
  4. "EUNIS - Site factsheet for Ilhéu de Baixo - Ilha Graciosa". eunis.eea.europa.eu. European Environment Agency. Retrieved May 18, 2020.
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