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1986 SIAN KA'AN
| Reserva de la Biosfera Sian Ka'an | ||
| Comisión Nacional de Áreas Naturales Protegidas. «Presenta una barrera de 120 kilómetros de arrecifes de coral, una zona de pastos marinos, esteros, manglares, lagunas costeras, pantanos, sabanas de agua dulce, lagunas interiores, ciénagas y selvas inundables. Cerca de 150 000 hectáreas protegen selvas caducifolias y subperenifolias.» México |
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| Reserva de la Biosfera de Sian Ka'an | ||
| UNEP Protected Areas Programme. «Sian Ka'an lies on a partially emerged coastal limestone plain which forms part of the extensive barrier reef system along the eastern coast of Central America. Much of the reserve lies in a zone of recent Pleistocene origin which still appears to be in a transitional stage. A large series of sink holes (cenotes) exist in the area and are characteristic features of the Yucatan and Florida peninsulas. The hydrological cycle is complex and the water table is permanently close to the surface (never deeper than 8m). Asa result, each year during the dry season, about 20% of the terrestrial part of the reserve remains flooded. This figure increases to about 75% by the end of the rainy season.» México |
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| Sian Ka'an | ||
| UNESCO, MAB Biosphere Reserves Directory. «Situated on the Caribbean coast in the southeast of the country, on the eastern side of the Yucatan Peninsula in the State of Quintana, the reserve lies on a partially emerged coastal limestone plain, and includes part of the extensive barrier reef system.. It is covered by medium altitude semi-evergreen forests, medium and low altitude semi-deciduous forest; palm savannah formations, freshwater and saltwater marshes, petenes (or hammocks), mangroves and, dunes. A total of 4,000 plant and 28 mammal species have been recorded, including five species of cat, jaguar, puma, Central American tapir and Caribbean manatee. Due to the great diversity of aquatic habitats, marine and wading birds are well represented.» México |
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