Amazon-Orinoco-Southern Caribbean mangroves Amazon-Orinoco-Southern Caribbean mangroves The Amazon-Orinoco-Southern Caribbean mangroves (NT1401) is an ecoregion along the coasts of Colombia, Venezuela, Guyana, Suriname, French Guiana and Brazil. The Amazon-Orinoco-Southern Caribbean mangroves cover stretches of the northern, Caribbean, coasts of Colombia and Venezuela, and of the Atlantic coasts of Venezuela, Guyana, Suriname, French Guiana and northeast Brazil. It includes sections of the coasts of the Brazilian states of Amapá, Pará and Maranhão. The eastern part of the ecoregion makes up the Guianan-Amazon Mangroves global ecoregion, which in turn is made up of the Guianan mangroves, Amapá mangroves; Pará mangroves and Maranhão mangroves terrestrial ecoregions. Along
Suriname the Atlantic coast. The southernmost borders with French Guiana and Guyana are disputed by these countries along the Marowijne and Corantijn rivers, respectively, while a part of the disputed maritime boundary with Guyana was arbitrated by a tribunal convened under the rules set out in of the United Nations Convention on the Law of the Sea on 20 September 2007. Lying 2 to 5 degrees north of the equator, Suriname has a very hot and wet tropical climate, and temperatures do not vary much throughout the year. Average relative humidity is between 80% and 90%. Its average temperature ranges from