The territory also includes the sparsely populated Tristan da Cunha archipelago, 2,300 miles (3,700 km) to the south, about halfway to the Antarctic Circle.Īscension Island was discovered by the Portuguese navigator João da Nova in 1501 and named Conception Island, but was rediscovered in 1503 on Ascension Day by Alphonse de Albuquerque and renamed. It is governed as part of the British Overseas Territory of Saint Helena, Ascension and Tristan da Cunha, of which the main island, Saint Helena, is around 800 miles (1,300 km) to the southeast. It is about 1,000 miles (1,600 km) from the coast of Africa and 1,400 miles (2,300 km) from the coast of South America. No seagrasses have been recorded at Ascension Island.Ascension Island is an isolated volcanic island, 7★6′ south of the Equator in the South Atlantic Ocean. Among our collections, 38 species and infraspecific taxa are reported for the first time from Ascension Island, including seven green, three brown and 28 red macroalgae, raising the total number of seaweeds recorded in Ascension so far to 112 taxa in species and infraspecific level. 82 marine macroalgae were identified from our work, including 18 green algae (Ulvophyceae), 15 brown algae (Phaeophyceae) and 49 red algae (Rhodophyta). No seagrasses have been recorded at Ascension Island.ĪB - This paper provides a comprehensive checklist of the marine benthic macroalgal flora of Ascension Island (tropical South Atlantic Ocean), based on both new collections and previous literature. N2 - This paper provides a comprehensive checklist of the marine benthic macroalgal flora of Ascension Island (tropical South Atlantic Ocean), based on both new collections and previous literature. T1 - Marine benthic algal flora of Ascension Island, South Atlantic The funding for this work came from a grant to the Shallow Marine Surveys Group from the Darwin Initiative (EIDCF012).", FINANCIAL SUPPORT The MASTS pooling initiative (Marine Alliance for Science and Technology for Scotland, funded by the Scottish Funding Council and contributing institutions grant reference HR09011) is gratefully acknowledged for supporting F.C.K. Finally we are grateful to British Forces South Atlantic Islands for their logistic support. We are also very grateful to the Ascension Island Government, the members of staff at the Conservation Centre and Ascension Island Dive Club for their cooperation, accommodation and hospitality. We are grateful to the Shallow Marine Surveys Group and the South Atlantic Environmental Research Institute for organizing the expedition. We would also like to thank Konstantinos Kondylis for help with the DNA amplification of macroalgal isolates. Note = "ACKNOWLEDGEMENTS We are grateful to Nick John, Jimmy Young and Caroline Yon (all in Ascension Island) for sampling assistance. The funding for this work came from a grant to the Shallow Marine Surveys Group from the Darwin Initiative (EIDCF012). The MASTS pooling initiative (Marine Alliance for Science and Technology for Scotland, funded by the Scottish Funding Council and contributing institutions grant reference HR09011) is gratefully acknowledged for supporting F.C.K. We are also very grateful to the Ascension Island Government, the members of staff at the Conservation Centre and Ascension Island Dive Club for their cooperation,Īccommodation and hospitality. We are grateful to the Shallow Marine Surveys Group and the South AtlanticĮnvironmental Research Institute for organizing the expedition. We are grateful to Nick John, Jimmy Young and Caroline Yon (all in Ascension Island) for sampling assistance.
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