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sábado, 30 de octubre de 2010

Tenerife island


Tenerife (Spanish pronunciation: [teneˈɾife]) (Webster's pronunciation: \ˌte-nə-ˈrē-(ˌ)fā, -ˈrēf, -ˈrif\ ... 4 syllables, not 2) is the largest of the seven Canary Islands, Spain, in the Atlantic Ocean off the coast of Africa. Tenerife has an area of 2034.38 square kilometers, and 899,833 inhabitants. It is the most populated island of the Canary Islands and Spain. About 43% of the population of the Canary Islands is on this island. About five million tourists visit Tenerife each year, which is also one of the busiest Spanish resorts and the first of Canary Islands.Tenerife also has one of the world's largest carnivals, and the Carnival of Santa Cruz de Tenerife now aspires to become a World Heritage Site.Tenerife is the only Spanish island that has two airports. Tenerife is the largest number of tourists it receives, it is also headquarters of the main financial institution of the archipelago, Tenerife so is the economic capital of the Canary Islands.


Santa Cruz de Tenerife is the capital of the island and the seat of the island council (cabildo insular). The city is capital of the autonomous community of Canary Islands (shared with Las Palmas), sharing governmental institutions such as Presidency and ministries. Between the 1833 territorial division of Spain and 1927 Santa Cruz de Tenerife was the sole capital of the Canary Islands, until in 1927 a decree ordered that the capital of the Canary Islands be shared, as it remains as at present.
The island is home to the University of La Laguna, which was founded in 1792 and is the oldest university in the Canaries. San Cristóbal de La Laguna (World Heritage Site) is the second city of the island and the third one of the archipelago. The city of La Laguna was also capital of the Canary Islands until Santa Cruz replaced it in 1833.


Tenerife also has the highest elevation of Spain, a World Heritage Site that is the third largest volcano in the world from its base, El Teide. The island's capital contains the architectural symbol of the Canary Islands, the modern Auditorio de Tenerife.

Geography
The oldest mountain ranges in Tenerife rose from the Atlantic Ocean by volcanic eruption which gave birth to the island around twelve million years ago.The island as it is today was formed three million years ago by the fusion of three different islands made up of the mountain ranges of Anaga, Teno and Valle de San Lorenzo,due to volcanic activity from Teide. The volcano is visible from most parts of the island today, and the crater is 17 km long at some points.
Economy
Tenerife is the economic capital of the Canary Islands.Even though Tenerife's economy is highly specialized in the service sector, which makes 78% of its total production capacity, the importance of the rest of the economic sectors is key to its production development. In this sense, the primary sector, which only represents 1.98% of the total product, groups activities that are important to the sustainable development of the island's economy. The energy sector which contributes 2.85% has a primary role in the development of renewable energy sources. The industrial sector which shares in 5.80% is a growing activity in the island, vis-a-vis the new possibilities created by technological advances. Finally, the construction sector with 11.29% of the total production has a strategic priority, because it is a sector with relative stability which permits multiple possibilities of development and employment opportunities.

Flora and fauna
The island of Tenerife has a remarkable ecological diversity in spite of its small surface area, which is a consequence of the special environmental conditions on the island, where its distinct orography modifies the general climatic conditions at a local level, producing a significant variety of microclimates. This vast existence of natural microclimates and, therefore, habitats, means that a rich and diverse flora (1400 species of plants) exists on the island, with well over a hundred entirely endemic to Tenerife. Endemic species include Vipers bugloss, Teide white broom, Teide violet etc. The fauna of the island has many endemic invertebrates and unique reptile, bird and mammal species. The fauna of Tenerife includes some 400 species of fish, 56 birds, 5 reptiles, 2 amphibians, 13 land mammals and several thousand invertebrates, along with several species of marine turtles, whales and dolphins. Before the arrival of the aborigines, Tenerife and the Canaries were inhabited by now-extinct endemic animals, e.g. giant lizards (Gallotia goliath), or the giant rat (Canariomys bravoi).

The vegetation of Tenerife can be divided into 6 major zones that are directly related to altitude and the direction in which they face.
Lower Xerophylic Zone: 0 - 700m. Xerophylic shrubs that are well adapted to long dry spells, intense sun-shine and strong winds. Many endemic species. Spurges, cactus spurge, wax plants, etc.
Thermophile forest: 200 – 600 m. Transition zone. Moderate temperatures and rainfall. Area deteriorated by human activity. Many endemic species: Juniper, dragon trees, palm trees, etc.
Laurel Forest: 500 – 1000 m. Dense forest of large trees, descendants of the Tertiary Age flora, situated in a zone of frequent rainfall and mists. A wide variety of species with abundant undergrowth of bushes herbaceous plants and ferns. Laurels, holly, ebony, mahogany, etc.
Wax Myrtle: 1000–1500 m. A dryer vegetation, poorer in species. It replaces the degraded laurel forest. Of great forestry importance. Wax myrtles, tree heath, holly, etc.
Pine Forest: 800 – 2000 m. Open pine forest, with thin and unvaried undergrowth. Canary Island pine (Pinus canariensis), broom, rock rose, etc.
High mountain: over 2000 m. Dry climate, intense solar radiation and extreme temperatures. Flora well adapted to the conditions.
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