Английская Википедия:Desertas Islands
Шаблон:Short description Шаблон:More citations needed Шаблон:Infobox islands The Desertas Islands (Шаблон:Lang-pt, Шаблон:IPA-pt, "Deserted Islands") are a small archipelago in the Atlantic Ocean, part of the larger Portuguese Madeira Archipelago.
The archipelago is located off the coast of Morocco. Deserta Grande Island is located about Шаблон:Convert southeast of the eastern tip of Madeira Island, Ponta de São Lourenço.
Geography
The archipelago of the Desertas Islands is a chain of three long and narrow islands that stretch over a north/south distance of Шаблон:Convert. The Desertas Islands, from north to south with approximate area figures, are:
| Island | Area (km2) | Height (m) |
|---|---|---|
| Chão Islet | 1 | 98 |
| Deserta Grande | 10 | 442 |
| Bugio | 3 | 348 |
| TOTAL | 14.21 | 442 |
Administration
Administratively, the islands are part of the Municipality of Santa Cruz in Madeira, and in the Santa Cruz civil parish.
The islands are a designated Portuguese nature reserve. A licence is needed to land there.
Natural history
Though near the main island of Madeira, where the islands can often be seen on the horizon, the geology of the Ilhas Desertas is starkly different. The high, long, and rocky islands of the group are barren of topsoil, and the only wildlife consists of about sixteen species of birds, including eight species of seabirds, and a scarce population of feral goats, rabbits, and rodents, brought from Portugal by the mariners who first reached the rocky shores. The Deserta Grande wolf spider and Madeiran wall lizard also exist in the fragile and arid ecosystem.
The only inhabitable island, with its own water source, is Deserta Grande. This water is murky and scarce, and historic attempts to colonise the island failed due to the impracticability of agriculture.
A tiny colony of Mediterranean monk seals inhabits the beaches, and since 1990 the islands have been constituted as a nature reserve for their protection. In 1998, the colony numbered only eight; now the population is approximately forty seals. The only humans on the islands are the permanent wardens, geologists, occasional boaters, and those who work at the few research stations.
Important Bird Area
The Desertas archipelago has been recognised as an Important Bird Area (IBA) by BirdLife International because of its seabird colonies. These include Fea's and Bulwer's petrels, Cory's and Barolo shearwaters, band-rumped storm petrels, common terns and Caspian gulls.[1]
See also
References
External links
Шаблон:Portalbar Шаблон:Municipalities of Madeira Шаблон:Authority control
- Английская Википедия
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- Islands of the Autonomous Region of Madeira
- Islands of Macaronesia
- Nature reserves in Portugal
- Uninhabited islands of Portugal
- Archipelagoes of Portugal
- Natura 2000 in Portugal
- Important Bird Areas of Madeira
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