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A copy of zebra mussels found in Granada Andalusia put on alert |
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Written by Mariner
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Saturday, 09 May 2009 |
The emergence of an adult zebra mussels in the reservoir granadino Los Bermejales has fired warning Andalusia, since it is an invasive species that is among the world's ten most harmful
It has been temporarily banned the use of recreational boating in the area. Resolution also extends to the reservoir of Iznájar, between Granada and Cordoba, to be in the same line of flow from the headwaters of the river
Have also been established cleanup actions at these two reservoirs located in the water below, as are those of Malpasillo, Cordobilla, Jew, Cantillana and Alcalá del Río. The aim is to control the waters that were flowing from the reservoir of the Bermejales to other major systems of the basin to ascertain the extent of the invasion.
Under the program launched in 2007 for early detection of potential zebra mussel larvae were carried out in the 31 wetlands of Andalusia, but only detected the presence of this copy in Granada.
It is a very harmful, can cause drastic environmental changes on ecosystems and human uses associated with rivers, to plug the water.
The zebra mussel
1. What is it? It is a freshwater bivalve mollusc, which is also resistant to saline water from the Black and Caspian seas. It is not edible.
2. How is it? Its shell has a triangular shape and only three inches long and has an irregular pattern of dark and white bands.
3. How was Spain? The first specimens were detected in 2001 in the Lower Ebro (Catalonia). She arrived on the hull of a boat or in ballast water.
4. Is it so dangerous? The threat of river ecosystems is a serious risk of ecological disaster and economic in the short to medium term. |
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Last Updated ( Saturday, 09 May 2009 )
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