Abstract
The coastal ecosystems of Mauritius island (1850 km2, 20° S and 57° E, Indian Ocean) consist of lagoons, reefs, estuaries, mangroves, salt water wetlands, and sheltered bays. Fringing reefs almost completely surround the volcanic island, enclosing a series of lagoons of variable depths (1–4 m). Tides are not important but wave heights can reach 3 m. The zonation of lagoons in a transect from the beach towards the open sea is given, together with the zonal distribution of the flora and fauna, the types of corals and sediments, the detrital sediment composition, the different hydrodynamic processes acting on the benthic sediments, as well as the geochemical (redox) processes. Commercial exploitation of the lagoonal fisheries and other anthropogenic factors have contributed to reef stress and degradation. A rich algal biomass is present which shows seasonal variation. Two species of mangroves, Rhizophora mucronata and Bruguiera gymnorrhiza exist. Fish and shellfish culture is practised in enclosed ponds (barachois).
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Fagoonee, I. Coastal marine ecosystems of Mauritius. Hydrobiologia 208, 55–62 (1990). https://doi.org/10.1007/BF00008443
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DOI: https://doi.org/10.1007/BF00008443