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 TERMINÉ 
Background Elm groves are included in the EU Habitats Directive (subtype 2.3 of habitat 92A0). They have suffered degradation as a result of alterations to their habitat and the introduction of Dutch elm disease (DED) – leading to fragmentation and the risk of extinction for the European white elm (Ulmus laevis). Across Europe and America elm groves are ...
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 TERMINÉ 
Background Cyprinidae are a large family of freshwater fish that comprise carp, true minnow and their relatives. Recent studies show a decline in the populations of some threatened endemic cyprinid fish species in the Duero and Tajo river basins. In order of importance, the main reasons for this decline are the existence of obstacles in the river channel ...
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 4

 TERMINÉ 
Background Invasive alien species are a major threat to native biodiversity; competing with native species for food and habitat. Associated problems include reductions in the populations of native species and decreased genetic diversity. Non-native species can also act as reservoirs of infectious diseases that can lead to the extinction of some rare or en ...
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 TERMINÉ 
OBJETIVOS: El objetivo es mejorar los sistemas conjuntos o coordinados de comunicación para transmitir información de alerta o emergencia, para prevenir y corregir dicha situación y para tomar decisiones pertinentes, en cumplimiento del artículo 11 del Convenio sobre cooperación para la protección y el aprovechamiento sostenible de las aguas de las cuencas hidrográficas Hispano-Portuguesas, así co ...
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