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Documents disponibles écrits par cet auteur (15)
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Article
Mark C. Drever, Auteur ; Luis M. Bautista-Sopelana, Auteur ; Juan C. Alonso, Auteur ; Juan G. Navedo, Auteur ; Markus Hrachowitz, AuteurThe migration of birds through a stopover site may be understood as a physical process of hydrological flow through a reservoir whose water levels rise and fall over a migration period. Hydrological flow models show promise as a way of integrati[...]
Article
Juan G. Navedo, Auteur ; Theunis Piersma, AuteurWith its focus on wetlands, the Ramsar Convention provides the clearest global agreement helping the conservation of migratory waterbirds. Two specific criteria (5 and 6) support the scientific basis for sites to achieve Ramsar recognition based[...]
Article
Camila Gherardi-Fuentes, Auteur ; Jorge Ruiz, Auteur ; Juan G. Navedo, AuteurMigratory species rely on several distant sites during the annual cycle which makes their conservation more complex than that of non-migratory species. Even one of the most extensively studied migratory shorebirds - the Red Knot Calidris canutus[...]
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Juan G. Navedo, Auteur ; Theunis Piersma, Auteur ; Jordi Figuerola, Auteur ; Wouter Vansteelant, Auteur
Article
Juan G. Navedo, Auteur
Article
Manuel Parejo, Auteur ; Jorge S. Gutiérrez, Auteur ; Auxiliadora Villegas, Auteur ; José M. Abad-Gómez, Auteur ; Erick González-Medina, Auteur ; Juan G. Navedo, Auteur ; Casimiro Corbacho, Auteur ; Juan M. Sánchez-Guzmán, Auteur ; José A. Masero, Auteur
Article
Juan G. Navedo, Auteur ; Jorge S. Gutiérrez, Auteur ; Pablo Salmon, Auteur ; David Arranz, Auteur ; Marta Novo, Auteur ; Dario J. Diaz-Cosin, Auteur ; Alejandro G. Herrera, Auteur ; José A. Masero, AuteurCoastal pastures provide supplementary foraging habitats for migratory shorebirds that rely on intertidal areas outside the breeding season. However, their role as foraging grounds for shorebirds is poorly understood. Here, we assessed the food [...]
Article
Aitor Galarza, Auteur ; Fernando Arce, Auteur ; Juan G. Navedo, Auteur ; Juan Arizaga, AuteurWe studied the movements of little egrets Egretta garzetta from breeding colonies in northern Spanish Atlantic estuaries using sighting data of colour-ringed birds. Data on 304 resightings of 95 out of 457 little egrets ringed as chicks in two c[...]
Article
Manuel Parejo, Auteur ; Juan G. Navedo, Auteur ; Jorge S. Gutiérrez, Auteur ; José M. Abad-Gómez, Auteur ; Auxiliadora Villegas, Auteur ; Casimiro Corbacho, Auteur ; Juan M. Sánchez-Guzmán, Auteur ; José A. Masero, AuteurNatural and anthropogenic Iberian wetlands in southern Europe are well known for supporting large numbers of migratory Palaearctic waterbirds each winter. However, information on the geographical origin of dabbling ducks overwintering in these w[...]
Article
Manuel Parejo, Auteur ; Juan G. Navedo, Auteur ; Jorge S. Gutiérrez, Auteur ; José M. Abad-Gómez, Auteur ; Auxiliadora Villegas, Auteur ; Casimiro Corbacho, Auteur ; Juan M. Sánchez-Guzmán, Auteur ; José A. Masero, AuteurNatural and anthropogenic Iberian wetlands in southern Europe are well known for supporting large numbers of migratory Palaearctic waterbirds each winter. However, information on the geographical origin of dabbling ducks overwintering in these w[...]
Article
Juan G. Navedo, Auteur ; Steffen Hahn, Auteur ; Manuel Parejo, Auteur ; José M. Abad-Gómez, Auteur ; Jorge S. Gutiérrez, Auteur ; Auxiliadora Villegas, Auteur ; Juan M. Sánchez-Guzmán, Auteur ; José A. Masero, AuteurWaterbirds can reallocate a considerable amount of nutrients within agricultural fields and between agriculture sites and wetlands. However their effects on biogeochemical cycles have rarely been quantified. We estimated bird numbers, diet (from[...]
Article
Juan G. Navedo, Auteur ; José A. Masero, Auteur ; Otto Overdijk, Auteur ; German Orizaola, Auteur ; Juan M. Sánchez-Guzmán, AuteurUnderstanding the factors driving departure decisions from stopover sites is critical when predicting the dynamics of bird migration. We investigated the interactive effects of wind, tidal characteristics, and precipitation on the departure deci[...]
Article
Juan G. Navedo, Auteur ; José A. Masero, Auteur ; Juan M. Sánchez-Guzmán, Auteur ; José M. Abad-Gómez, Auteur ; Jorge S. Gutiérrez, Auteur ; Esther G. Sanson, Auteur ; Auxiliadora Villegas, Auteur ; Emilio Costillo, Auteur ; Casimiro Corbacho, Auteur ; Ricardo Moran, AuteurMany migratory waterbird populations are in decline and loss of natural wetlands is one of the main causes. However, some species may respond positively to artificial wetland recreation. In Extremadura (south-west Europe), several large reservoi[...]
Article
Juan G. Navedo, Auteur ; German Orizaola, Auteur ; José A. Masero, Auteur ; Otto Overdijk, Auteur ; Juan M. Sánchez-Guzmán, AuteurLong-distance migration is widespread among birds, connecting breeding and wintering areas through a set of stopover localities where individuals refuel and/or rest. The extent of the stopover is critical in determining the migratory strategy of[...]
Article
Juan G. Navedo, Auteur ; Guillermo Fernández, Auteur ; Juanita Fonseca, Auteur ; Mark C. Drever, AuteurShrimp aquaculture farms have greatly expanded at tropical areas worldwide, especially during the past three decades. One of the main core areas of this expansion was the northwestern coast of Mexico, prompting conservation concern for the shore[...]
