Guianan marine ecoregion

Tropical marine ecoregion

The Guianan marine ecoregion stretches along the middle of the northeast coast of South America, touching Venezuela, Guyana, Suriname and French Guiana. It extends about 200 miles offshore, with the warm Guianan Current moving east-to-west through the region. This current brings in fresh, turbid waters from the mouth of the Amazon River to the east. As the current exits the ecoregion to the west it contributes an estimated 70% of the waters of the Caribbean Sea. A very large oil field has been recently discovered in the Guyana-Suriname Basin of the ecoregion. The Guianan is one of two ecoregions in the North Brazil Shelf province, a Large marine ecosystem (LME). The Guianan is thus part of the larger Tropical Atlantic realm.

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