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Laguna de Manjavacas - Datos Técnicos (Inglés) |
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DATOS TÉCNICOS DE LA LAGUNA DE MANJAVACAS (Inglés)
(Ver
datos en Internet  )
| 7ES020 |
Laguna de Manjavacas |
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| Coordinates: |
39º25'N -
002º52'W |
Elevation:670 m |
Area:231
ha |
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| Location:
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The site is located about 5 km
east-northeast of the town of Pedro Muñoz, and 110 km northeast of the
city of Ciudad Real, Cuenca province, in the autonomous region of
Castilla-La Mancha, in central Spain. This site lies in the eastern sector
of La Mancha Húmeda, only a few kilometres east of the Laguna de la Vega (o
del Pueblo) Ramsar site. |
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| Criteria: |
1a, 1b, 1c, 2a, 2b, 2c, 3b
The site
is important for nesting waterbirds, including Himantopus himantopus (435
pairs), Recurvirostra avosetta (225 pairs) and Gelochelidon nilotica (150
pairs). The lagoon is also an important spring staging area and feeding
ground for migratory ducks, e.g. Anas clypeata, and shorebirds, e.g.
Philomachus pugnax. Up to 9,000 waterbirds have been counted in winter,
notably Anas spp., Netta rufina, Aythya ferina and Fulica atra. |
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| Wetland Types:
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R, Sp
The site comprises a
shallow,
seasonally variable, highly saline lagoon and the surrounding marshes. |
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Biological/
Ecological notes
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The vegetation contains hydrohalophytic
and xerohalophytic species. When the main part of the wetland is flooded,
the submerged vegetation includes Ranunculus spp. and Utricularia sp. Less
frequently inundated areas support Salicornia ramosissima, Puccinelia
fasciculata, Althaea officinalis, Suaeda splens, etc., and the lagoon is
fringed by belts of Phragmites australis and Scirpus maritimus. There are
also several islands, covered by Polypogon monspeliensis and Avena alba. |
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Hydrological/
Physical notes |
The site lies in an enclosed (endorreic) drainage basin which covers some 6,000 ha. This is within the catchment of the Guadiana River and within the zone influenced by "Aquifer 23". The maximum depth of the lake is 1 metre. The water is highly saline with an abundance of organic matter. The wetland is fed by spring rainfall and dries out rapidly during the hot, dry summer months. |
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| Human uses
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The site has been owned by the autonomous region of Castilla-La Mancha since 1989. The surrounding area is used for traditional agriculture, including the cultivation of grapes,
olives and arable crops. |
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Conservation
Measures |
The site has been designated a Refuge from Hunting (Refugio de Caza). It is also part of the 600 ha EU Special Protection Area for wild birds named Complejo Lagunar de Pedro Mu¤oz - Mota del Cuervo. Management and restoration measures have been implemented in parts of the site, but there is no overall management plan. |
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Adverse
Factors |
No reports of any problems have been received, although the lagoon receives polluted wastewater from the settlement of Mota del Cuervo. Some vegetational changes have been noted where the effluent enters the lagoon (i.e. increase of species more typical of freshwater). The underlying fossil water basin, Aquifer 23, has officially been recognized as over-exploited by the surrounding population. |
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Fuente:
WetLands |
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