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5 projets européens trouvés

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 TERMINÉ 

Conservation of Larus audouinii in Spain: Catalonia (Larus Cataluña)

Date du début: 1 sept. 2002, Date de fin: 31 août 2006,

Background Audouin's Gull (Larus audouinii) is a bird native to the Mediterranean that feeds mostly on fish. Its population has slightly increased in recent years. Ninety percent of the world's total number of this species breeds in the European Union. It is concentrated in two colonies, one of which, the Ebro Delta, is the focus of this project. Some 10- ...
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 TERMINÉ 
Background Only a century ago, the European mink (Mustela lutreola) inhabited the rivers, streams and wetlands of a large part of Europe. Currently, its distribution has been restricted to two main sub-populations: the western sub-population in the European Union, which lives in the north of Spain and south-west France and the eastern sub-population in th ...
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 TERMINÉ 

Collaboration actions for the conservation of Mustela lutreola (Visón Co-op)

Date du début: 1 janv. 2004, Date de fin: 31 déc. 2005,

Background Until the end of the 19th century, the European mink (Mustela lutreola) was very common throughout Europe. Today, it occupies less than 10% of the areas it once covered and has disappeared in more than 20 countries. The surviving populations are found in Russia, the River Danube delta in Romania and between the south of France and the north of ...
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 TERMINÉ 
Background Margaritifera auricularia is a large bivalve mollusc (measuring up to 20 cm). It belongs to the oldest family of freshwater mussels (also known as pearl mussels) and used to be common in all the large rivers of western Europe and northern Africa up to the 15th century. Since then its area of distribution has been drastically reduced to the poi ...
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 TERMINÉ 
Background The rivers of the Mediterranean countries are subject to intense human occupancy that causes problems in the exploitation of their resources. The overuse of water resources (urban, industrial and agricultural) leads to the following impacts on alluvial aquifers: • The water table is lowered and the capacity of the bores is reduced. • The ...
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