Delagoa is a

marine ecoregion A marine ecoregion is an ecoregion, or ecological region, of the oceans and seas identified and defined based on biogeographic characteristics. Introduction A more complete definition describes them as “Areas of relatively homogeneous species ...

along the eastern coast of Africa. It extends along the coast of

Mozambique Mozambique, officially the Republic of Mozambique, is a country located in Southeast Africa bordered by the Indian Ocean to the east, Tanzania to the north, Malawi and Zambia to the northwest, Zimbabwe to the west, and Eswatini and South Afr ...

and

South Africa South Africa, officially the Republic of South Africa (RSA), is the Southern Africa, southernmost country in Africa. Its Provinces of South Africa, nine provinces are bounded to the south by of coastline that stretches along the Atlantic O ...

from the Bazaruto Archipelago (21°14’ S) to Lake St. Lucia in South Africa (28° 10' S) in South Africa's

Kwazulu-Natal KwaZulu-Natal (, also referred to as KZN) is a Provinces of South Africa, province of South Africa that was created in 1994 when the government merged the Zulu people, Zulu bantustan of KwaZulu ("Place of the Zulu" in Zulu language, Zulu) and ...

province. It adjoins the Bight of Sofala/Swamp Coast ecoregion to the north, and the Natal ecoregion to the south. It has Africa's southernmost tropical coral reefs and mangrove forests. It is the southernmost

Indo-Pacific The Indo-Pacific is a vast biogeographic region of Earth. In a narrow sense, sometimes known as the Indo-West Pacific or Indo-Pacific Asia, it comprises the tropical waters of the Indian Ocean, the western and central Pacific Ocean, and the ...

ecoregion, marking the transition from the tropical Indo-Pacific to

Temperate Southern Africa Temperate Southern Africa is a biogeographic region of the Earth's seas, comprising the temperate waters of southern Africa, where the Atlantic Ocean and Indian Ocean meet. It is a marine realm, one of the great biogeographic divisions of the wo ...

Geography

The dominant shoreline feature in the ecoregion is sandy beaches backed by coastal dunes. The dunes can reach up to 120 meters in height, and older dunes are vegetated. Behind the coastal dunes are lagoons, including river estuaries, closed saline lagoons, and salt lakes. The warm Agulhas Current runs southward parallel to the coast.

Habitat types

Seagrass meadow A seagrass meadow or seagrass bed is an underwater ecosystem formed by seagrasses. Seagrasses are marine (saltwater) plants found in shallow coastal waters and in the brackish waters of estuaries. Seagrasses are flowering plants with stems and ...

s are found in sheltered waters behind coastal islands and in large estuaries. Outcrops of sandstone support algae and corals, including coral reefs. Hard corals are reaching their southern limit, and soft corals are more common. The Bazaruto Archipelago is home to fringing reefs and patch reefs made up of soft and hard corals. High thickets of ''

Porites ''Porites'' is a genus of stony coral; they are small polyp stony (SPS) corals. (Also referred to as finger coral or hump coral) They are characterised by a finger-like morphology. Members of this genus have widely spaced calices, a well-de ...

'' and ''

Acropora ''Acropora'' is a genus of small polyp stony coral in the phylum Cnidaria. Some of its species are known as table coral, elkhorn coral, and staghorn coral. Over 149 species are described. ''Acropora'' species are some of the major reef corals ...

'' hard corals grow in the archipelago's sheltered back reefs. Fringing reefs are also found at Inhaca and Portuguese Islands near Maputo Bay. The southernmost reef corals are found on the northern coast of Kwazulu-Natal in South Africa, between the Mozambican border and Cape Vidal. A community of hard and soft corals, sponges, and ascidians, known as the Maputaland Reef Complex, live on submerged outcrops of fossilized dune and beach rock 9 to 13 meters below the surface. The corals do not form reef structures. Mangroves occur at Bazaruto Island, at the mouth of the

Limpopo River The Limpopo River () rises in South Africa and flows generally eastward through Mozambique to the Indian Ocean. The term Limpopo is derived from Rivombo (Livombo/Lebombo), a group of Tsonga settlers led by Hosi Rivombo who settled in the mou ...

, and around

Maputo Bay Maputo () is the Capital city, capital and largest city of Mozambique. Located near the southern end of the country, it is within of the borders with Eswatini and South Africa. The city has a population of 1,088,449 (as of 2017) distributed ov ...

, including

Inhaca Island Inhaca Island (Portuguese language, Portuguese: ''Ilha da Inhaca''), also known as Kanyaka island, is a subtropical island of Mozambique off the East African coast. The main village is Inhaca, situated just over a kilometer from Inhaca Airport. V ...

and the estuary of the

Komati River The Komati River, also known as the Inkomati River or Incomati River (in Mozambique, from Portuguese Rio Incomati), is a river in South Africa, Eswatini and Mozambique. Originating in north-western Eswatini, it is joined by the Crocodile Riv ...

Fauna

The seagrass meadows of the Bazaruto Archipelago are home to

Dugong The dugong (; ''Dugong dugon'') is a marine mammal. It is one of four living species of the order Sirenia, which also includes three species of manatees. It is the only living representative of the once-diverse family Dugongidae; its closest ...

s ''(Dugong dugon)''. Loggerhead and leatherback sea turtles lay their eggs on the region's sandy beaches. The offshore area between Závora and Vilanculos attracts

whale shark The whale shark (''Rhincodon typus'') is a slow-moving, filter feeder, filter-feeding carpet shark and the largest known Extant taxon, extant fish species. The largest confirmed individual had a length of . The whale shark holds many records for ...

s ''(Rhincodon typus)'' and

manta ray Manta rays are large Batoidea, rays belonging to the genus ''Mobula'' (formerly its own genus ''Manta''). The larger species, ''Giant oceanic manta ray, M. birostris'', reaches in width, while the smaller, ''Reef manta ray, M. alfredi'', reac ...

s ''(Manta alfredi'' and ''Manta birostris)''.Pereira, Marcos & Litulo, Carlos & Santos, Rodrigo & Costa Leal, Miguel & Fernandes, Raquel & Tibirica, Yara & Williams, Jess & Atanassov, Boris & Carreira, Filipa & Massingue, Alice & Marques da Silva, Isabel. (2014). Mozambique marine ecosystems review. 10.13140/2.1.2092.5766.

Protected areas

Marine protected areas include: *

Bazaruto National Park The Bazaruto Archipelago National Park (BANP) is a protected area in the Inhambane Province of Mozambique on the Bazaruto Archipelago. The park was proclaimed on 25 May 1971. It is off the coast of the Vilanculos and Inhassoro districts, cove ...

, Mozambique *

Maputo Special Reserve Maputo Special Reserve (formerly known as Maputo Elephant Reserve) is a nature reserve in Mozambique. The reserve is located on Maputo Bay, approximately 100 kilometers southeast of the city of Maputo, Mozambique. The Reserve is 1,040 km2 ...

, Mozambique * Ilhas da Inhaca e dos Portugueses Faunal Reserve, Mozambique *

Ponta do Ouro Partial Marine Reserve Ponta may refer to: Ponta, Portuguese for "point" or promontory A promontory is a raised mass of land that projects into a lowland or a body of water (in which case it is a peninsula). Most promontories either are formed from a hard ridge of r ...

, Mozambique * Machangulo Private Nature Reserve, Mozambique *

iSimangaliso Wetland Park iSimangaliso Wetland Park is situated on the east coast of KwaZulu-Natal, South Africa, about north of Durban by road. It is South Africa's third-largest protected area, spanning of coastline, from the Mozambique, Mozambican border in the n ...

, South Africa

References

{{reflist Ecoregions of Mozambique Ecoregions of South Africa Marine ecoregions Western Indo-Pacific