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Designations
Designations
Ramsar Wetland
Official name	Marismas Nacionales
Designated	22 June 1995
Reference no.	732

Marismas Nacionales-San Blas mangroves
Marismas Nacionales-San Blas mangroves
	La Tovara Nature Reserve, San Blas, Nayarit, Mexico
	Ecoregion territory (in red)
Ecology
Realm	Neotropical
Biome	Mangroves
Borders	Sinaloan dry forests
Geography
Area	2,100 km2 (810 sq mi)
Country	Mexico
States	Sinaloa; Nayarit;
Conservation
Conservation status	Critical/endangered

Marismas Nacionales–San Blas mangroves is a mangrove ecoregion of the Pacific coast of Mexico. The marismas nacionales ("national marshes") stretches from Mazatlán, Sinaloa southwards to San Blas, Nayarit.

Geography

The Marismas Nacionales–San Blas mangroves occupy an area of 2,000 square kilometers (770 sq mi) in coastal Nayarit and Sinaloa states.

The Marismas Nacionales is an interconnected complex of lagoons and wetlands on the alluvial plain formed by the Acaponeta, San Pedro Mezquital, and Grande de Santiago rivers. Beach ridges separate the wetlands from the sea. The central Agua Brava Lagoon and northern Teacapán Lagoon are the principal lagoons. The San Blas mangroves are the southernmost in the complex, located south of the Grande de Santiago river mouth.^[3]

Other mangrove areas north of the Marismas Nacionales complex include the Presidio River delta, the Baluarte River delta, and the Urías estuary south of Mazatlan.

Flora

Red mangrove (Rhizophora mangle), black mangrove (Avicennia germinans), white mangrove (Laguncularia racemosa), and button mangrove (Conocarpus erectus) are found in the ecoregion. Black mangrove is predominant near Teacapán in the northern part of the ecoregion, and white mangrove is predominant near Agua Brava in the southern part of the ecoregion. Trees that grow in association with the mangroves include ciruelillo (Phyllanthus elsiae), zapotón (Pachira aquatica), and anona (Annona glabra).^[1]

Fauna

The mangroves are home to over 250 species of birds, and serve as an important winter habitat for migratory birds. The Marismas Nacionales Biosphere Reserve also support an important number of mammal species, like deer, jaguar, ocelot and lynx.^[1]

Conservation and threats

Since 2009, Fonatur (Fondo Nacional de Fomento al Turismo), the Mexican tourism investment office, is planning a large tourism development adjacent to Marismas Nacionales that will include over 43,000 hotel and vacation home rooms, at least three golf courses, two marinas, commercial centers, and general urbanization. The direct and indirect impacts of this development, including the city that will be created nearby to house the workers servicing the tourism lodging and attractions, pose a substantial threat to the conservation of the Marismas Nacionales-San Blas Mangroves.^[4]

References

^ ^a ^b ^c "Marismas Nacionales-San Blas mangroves". Terrestrial Ecoregions. World Wildlife Fund.
^ "Marismas Nacionales". Ramsar Sites Information Service. Retrieved 25 April 2018.
^ Flores-Verdugo, Francisco & Amezcua, Felipe & Kovacs, John & Serrano, David & Blanco y Correa, Manuel. (2014). "Changes in the hydrologic al regime of coastal lagoons affect artisanal fisheries: the case of the mangrove-estuarine complex of Marismas Nacionales (Pacific coast of Mexico)." in Felipe Amezcua, Brian Bellgraph, eds. Fisheries Management of Mexican and Central American Estuaries. Springer. pp.81-91. 10.1007/978-94-017-8917-2_6.
^ Asociación Interamericana para la Defensa del Ambiente (16 June 2009). "ONGs Piden Intervención Internacional por Amenazas a Humedales de Nayarit y Sinaloa" (in Spanish). México D.F. Archived from the original on 5 December 2010. NGOs Request International Intervention over Threats to Nayarit & Sinaloa Wetlands

External links

"Marismas Nacionales-San Blas mangroves". Terrestrial Ecoregions. World Wildlife Fund.
World Wildlife Fund, ed. (2001). "Marismas Nacionales-San Blas mangroves". WildWorld Ecoregion Profile. National Geographic Society. Archived from the original on 2010-03-08.
Continentally Important Proposal for the Marismas Nacionales: North American Bird Conservation Initiative

[wwf-1] "Marismas Nacionales-San Blas mangroves". Terrestrial Ecoregions. World Wildlife Fund.

[2] "Marismas Nacionales". Ramsar Sites Information Service. Retrieved 25 April 2018.

[3] Flores-Verdugo, Francisco & Amezcua, Felipe & Kovacs, John & Serrano, David & Blanco y Correa, Manuel. (2014). "Changes in the hydrologic al regime of coastal lagoons affect artisanal fisheries: the case of the mangrove-estuarine complex of Marismas Nacionales (Pacific coast of Mexico)." in Felipe Amezcua, Brian Bellgraph, eds. Fisheries Management of Mexican and Central American Estuaries. Springer. pp.81-91. 10.1007/978-94-017-8917-2_6.

[4] Asociación Interamericana para la Defensa del Ambiente (16 June 2009). "ONGs Piden Intervención Internacional por Amenazas a Humedales de Nayarit y Sinaloa" (in Spanish). México D.F. Archived from the original on 5 December 2010. NGOs Request International Intervention over Threats to Nayarit & Sinaloa Wetlands

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PROFILPELAJAR.COM

Marismas Nacionales–San Blas mangroves

Geography

Flora

Fauna

Conservation and threats

See also

References

External links

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