This is a list of mangrove ecoregions ordered according to whether they lie in the Afrotropical, Australasian, Indomalayan, or Neotropical realms of the world. Mangrove estuaries such as those found in the Sundarbans of southwestern Bangladesh are rich productive ecosystems which serve as spawning grounds and nurseries for shrimp, crabs, and many fish species, a richness which is lost if the area is cleared and converted to ponds for shrimp farming or rice paddies. [1]
| New Guinea mangroves | New Guinea |
| Australian mangroves | Australia |
| Northwest Mexican Coast mangroves | Mexico |
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The Gulf of Guayaquil–Tumbes mangroves (NT1413) are an ecoregion located in the Gulf of Guayaquil in South America, in northern Peru and southern Ecuador. It has an area of 3,300 km2.
Marismas Nacionales–San Blas mangroves is a mangrove ecoregion of the Pacific coast of Mexico. The marismas nacionales stretches from Mazatlán, Sinaloa southwards to San Blas, Nayarit.
Bangladesh being a first line littoral state of the Indian Ocean has a very good source of marine resources in the Bay of Bengal. The country has an exclusive economic zone of 41,000 square miles (110,000 km2), which is 73% of the country's land area. On the other hand, Bangladesh is a small and developing country overloaded with almost unbearable pressure of human population. In the past, people of Bangladesh were mostly dependent upon land-based proteins. But, the continuous process of industrialisation and urbanisation consumes the limited land area. Now there is no other way than to harvest the vast under water protein from the Bay of Bengal, which can meet the country's demand.
The Bahia mangroves is a tropical ecoregion of the mangroves biome, and the South American Atlantic Forest biome, located in Northeastern Brazil. Its conservation status is considered to be critical/endangered due to global climate change and other factors.
The Central African mangroves ecoregion consists of the largest area of mangrove swamp in Africa, located on the coasts of West Africa, mainly in Nigeria.
The East African mangroves are a mangrove ecoregion consisting of swamps along the Indian Ocean coast of East Africa in Mozambique, Tanzania, Kenya and southern Somalia.
The Guinean mangroves are a coastal ecoregion of mangrove swamps in rivers and estuaries near the ocean of West Africa from Senegal to Sierra Leone.
Madagascar mangroves are a coastal ecoregion in the mangrove forest biome found on the west coast of Madagascar. They are included in the WWF's Global 200 list of most outstanding ecoregions.
The Southern Africa mangroves are mangrove ecoregion on the Mozambique's southernmost coast and the eastern coast of South Africa.
The Wouri estuary, or Cameroon estuary is a large tidal estuary in Cameroon where several rivers come together, emptying into the Bight of Biafra. Douala, the largest city in Cameroon, is at the mouth of the Wouri River where it enters the estuary. The estuary contains extensive mangrove forests, which are being damaged by pollution and population pressures.
The Guianan mangroves (NT1411) is a coastal ecoregion of southeastern Venezuela, Guyana, Suriname, French Guiana and Brazil. The mangroves provide an important habitat for migrating birds that winter in the area. Large areas are intact, although they are threatened by destruction of the trees for timber and to make way for agriculture, and from upstream agricultural and industrial pollution.
The Amapá mangroves (NT1402) is an ecoregion along the Atlantic coast of the state of Amapá in Brazil. The low coastal plain has been formed from recent sedimentation, including sediments deposited by the rivers and sediments carried northward from the mouth of the Amazon River by strong currents and deposited by the tides. The extensive mangroves grow on the newly formed coastal mudflats and along the edges of estuaries. They merge into freshwater várzea flooded forests further inland. The ecoregion is generally well-preserved, although excessive extraction of natural resources including timber and shrimps is a concern.
The South American Pacific mangroves, or Panama Bight mangroves, is an ecoregion along the Pacific coast of Panama, Colombia, Ecuador and Peru.
The Gulf of Panama mangroves (NT1414) is an ecoregion along the Pacific coast of Panama and Colombia. The mangroves experience seasonal flooding with high levels of sediment, and occasional extreme storms or very low rainfall due to El Niño effects. They are important as a breeding or nursery area for marine species. Areas of the mangroves have been recognized as Important Bird Areas and Ramsar wetlands. The ecoregion has been severely degraded by clearance of mangroves for agriculture, pasturage and shrimp farming, by urban pressure around Panama City, and by pollution related to the Panama Canal.
The Manabí mangroves (NT1418) is an ecoregion along the Pacific coast of Ecuador. The mangroves serve important functions in the marine and terrestrial ecology. They have been severely degraded and fragmented, particularly in the northern region. Construction of shrimp farms caused much damage in the past, but is now banned. Sedimentation caused by overgrazing in higher lands is an issue, as are human activities such as port and highway construction, urbanization, waste disposal and so on.
The Mache River is a river that enters the Pacific Ocean through the Cojimies Estuary on the north coast of Ecuador.
The Bight of Sofala/Swamp Coast is a marine ecoregion along the eastern coast of Africa, characterized by extensive mangrove swamps and coastal wetlands. It extends along the coast of Mozambique, from Angoche to the Bazaruto Archipelago. It adjoins the East African coral coast ecoregion to the north, and the Delagoa ecoregion to the south.
The Ilha Grande mangroves ecoregion covers a series of disconnected salt-water and brackish mangrove forests along the southeastern coast of Brazil on the South Atlantic Ocean. The ecoregion is defined as covering the mangroves found between the Paraíba do Sul River in the north to Florianópolis in the south. This coastal region is the most densely population region of Brazil, and many of the mangroves are in close proximity to ports and industrial cities. A number of ecological reserves have been established to protect the high biodiversity of the mangroves, recognizing their importance to migratory birds, and as nursery habitat for juvenile fish, crabs, shrimp, and mollusks.
The Amazonia marine ecoregion covers the coastal marine environment off the mouth of the Amazon River on the continental shelf of Brazil. The warm North Brazil Current moves east-to-west across the river's outlet, carrying turbid, fresh water to the northwest towards the Caribbean Sea. The Amazonia is one of two ecoregions in the North Brazil Shelf province, a large marine ecosystem (LME). It is thus part of the Tropical Atlantic realm.
The Southeastern Brazil marine ecoregion covers the warm coastal waters to 250 miles offshore of southeastern Brazil, from the latitude of Rio de Janeiro in the north to Florianópolis in the south. Marine diversity is supported by local upwellings in the north and the inflow of the Brazil Current. The region is one of transition from a tropical to a warm temperate environment. The marine ecoregion is one of four coastal marine ecoregions in the Warm Temperate Southwestern Atlantic marine province. It is thus part of the Temperate South America realm. .