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Missolonghi–Aitoliko Lagoons
The Missolonghi-Aitoliko lagoons complex is located in the north part of the Gulf of Patras in the central west coast of Greece. It is one of the most important Mediterranean lagoons. It is a shallow area of 150 km2, extended between the Acheloos and Evinos rivers. It is protected by the Ramsar Convention and it is also included in the Natura 2000 network.
The largest portion is the Kentriki Limnothalassa ("central lagoon") a shallow sea separated from the Gulf of Patras and the Ionian Sea by a chain of sand islands and is characterized as open type lagoon. To the north, the Aitoliko lagoon is connected to the central lagoon by a narrow “neck” and resembles a deep lake (depth 28 m) rather than a lagoon. The Anatoliki Klisova, Dytiki Klisova, as well as the western lagoons of the complex, namely Tholi and Palaiopotamos, are some shallow areas characterized as closed type lagoons. These communicate with the sea along channels and receives fresh water from the drainage pump system of the region. These lagoons resembles the typical lagoons of north Italy where ‘’vallicultura’’ (lagoon aquaculture) is practiced. The bottom of the western and northwestern area of this system is muddy in contrast to the southern and south-eastern part, which is formed by sand and mud and is almost totally covered by ''Cymodocea nodosa''. The six distinct lagoons can be defined by their topographic and hydrological characteristics.
== Abiotic features ==
The hydrological balance is mostly controlled by meteorological conditions since, due the absence of significant tides the main factors controlling the water circulation in the lagoons are the wind intensity and direction. On the other hand, because of the limited depth of the lagoons the meteorological changes rapidly affect the abiotic parameters of the water masses.
The seasonal changes of the air temperature and rainfall affecting the dynamics the abiotic and biotic parameters of the lagoons. The mean monthly air temperature ranged from 5 to 30 °C with seasonal fluctuations typical of the Mediterranean climate. Two periods of important rainfall were observed, one in spring and another one from October to December. The area is a very important fishing ground for the local community.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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