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Lake Ohrid (Macedonian: Охридско Езеро, Ohridsko Ezero Albanian: Liqeni i Ohrit) straddles the mountainous border between the southwestern region of the Republic of Macedonia and eastern Albania. It is probably the oldest lake in Europe, preserving a unique aquatic ecosystem with more than 200 endemic species that is of worldwide importance. The importance of the lake was further emphasized when it was declared a World Heritage site by UNESCO in 1979. However, human activity on the lake shores and in its catchment area is resulting in the ecosystem coming under stress.
Lake Ohrid is the deepest lake of the Balkans, with a maximum depth of 288 m (940 ft) and a mean depth of 155 m (508 ft). It covers an area of 358 km² (138 sq mi), containing an estimated 55.4 km³ of water. It is 30.4 km long by 14.8 km wide at its maximum extent with a shoreline length of 87.53 km, shared between the Republic of Macedonia (56.02 km) and Albania (31.51 km).
Lake Ohrid and the Prespa Lakes belong to a group of Dessaret basins that originated from a geotectonic depression during the Pliocene epoch up to five million years ago on the western side of the Dinaric Alps. Worldwide, there are only a few lakes with similarly remote origins with Lake Baikal and Lake Tanganyika being the most famous. Most other, short-lived lakes have a life span of less than 100,000 years before they are eventually filled up with sediments. It is believed that in the case of Lake Ohrid this process was delayed by its large depth and small sediment input from filtered spring inflows. Moreover the Ohrid-Korca graben to the south of the lake is still tectonically active and might compensate sedimentation by subduction. Contrary to Lake Ohrid, Lake Prespa is likely to have turned dry several times in its history, as a result of its karstic underground.

http://en.wikipedia.org/wiki/Lake_Ohrid

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Photo Information
  • Copyright: Zorica Helach (zhelach) Gold Star Critiquer/Gold Star Workshop Editor/Gold Note Writer [C: 225 W: 55 N: 832] (3626)
  • Genre: Lugares
  • Medium: Cor
  • Date Taken: 2008-01-01
  • Categories: Natureza
  • Exposição: f/2.6, 1/250 segundos
  • More Photo Info: view
  • Versão da Foto: Versão Original
  • Date Submitted: 2008-02-09 0:41
Viewed: 3081
Points: 20
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Additional Photos by Zorica Helach (zhelach) Gold Star Critiquer/Gold Star Workshop Editor/Gold Note Writer [C: 225 W: 55 N: 832] (3626)
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