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Songhor Lagoon
The Songor Lagoon is located at 05°45'N 000°30'E on the eastern coast of Ghana, West Africa. The site covers an area of 28,740 hectares, and it is located just outside of the major town of Ada and to the west of the Volta River estuary. It was designated as Ramsar wetland site of international importance number 566 on June 22, 1988. In 2011, UNESCO approved the Songor Biosphere Reserve as part of the World Network of Biosphere Reserves.〔UNESCO announcement (), "18 new Biosphere Reserves added to UNESCO’s Man and the Biosphere (MAB) Programme", published 30 June 2011〕 Among several other important functions, it acts as habitat and/or breeding ground for several notable species.〔The Ramsar Sites Database, (), "Songor Lagoon Ramsar Information Sheet", retrieved 13 January 2011〕
==Physical features==
The site itself is a closed lagoon that is continually refilled by seepage, runoff, creeks, and streams. It is characterized by high salinity levels and surrounded by mudflats that are inundated for most of the year. The soil is a tropical gray earth type with an unconsolidated sand, clay, and gravel composition. Up to a depth of 80 cm, visibility allows for a clear view of the bottom of the lagoon. Hide tide occurs at a depth of 1.98 m; at this point, water from auxiliary creeks can flow into the lagoon. Low tide occurs at 0.11 m. Average temperature, rainfall, and humidity are 23-33 °C, 750 mm, and 60% respectively. The elevation varies between 15 m near the coast and up to 75 m above sea level.〔The Ramsar Sites Database, (), "Songor Lagoon Ramsar Information Sheet", retrieved 13 January 2011〕
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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