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 TERMINÉ 
Background Dupont's Lark is one of the most endangered and rare birds in Spain and Europe as a whole. In Spain, where it has a small, declining population, overgrazing or undergrazing and agricultural development have reduced its preferred habitats and caused its numbers to decline considerably. It is therefore included in the ‘endangered’ category of ...
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 TERMINÉ 
Background Douro Internacional e Vale do Águeda SPA and Arribes del Duero SPA form one of the main areas for Egyptian vulture (Neophron percnopterus), Bonelli´s eagle (Aquila fasciata) and red kite (Milvus milvus) in the Iberian Peninsula. For the Egyptian vulture, the local population represents 10% of the total population of the peninsula. For Portuga ...
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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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