2012
DOI: 10.1080/03078698.2012.691060
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Movements of Mediterranean Yellow-legged GullsLarus michahellisto the Bay of Biscay

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Cited by 17 publications
(16 citation statements)
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References 9 publications
(9 reference statements)
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“…Data from this study show that juveniles arrive at the Biscay coast not only through the Loire and Garonne valleys (as previously described by Carrera 1987;Carrera et al 1993) but also through the Ebro Valley. The presence of a large proportion of juvenile Yellow-legged Gulls along the Biscay coast has been reported since 1970s (Isenmann 1973), and they come from a large number of colonies along the Mediterranean coast (or nearby islands) of Spain and France (Yésou 1985;Carrera et al 1993;Martinez-Abrain et al 2002;Galarza et al 2012) and the Balearic Islands (Carrera et al 1993; Fig. 1).…”
Section: Discussionmentioning
confidence: 92%
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“…Data from this study show that juveniles arrive at the Biscay coast not only through the Loire and Garonne valleys (as previously described by Carrera 1987;Carrera et al 1993) but also through the Ebro Valley. The presence of a large proportion of juvenile Yellow-legged Gulls along the Biscay coast has been reported since 1970s (Isenmann 1973), and they come from a large number of colonies along the Mediterranean coast (or nearby islands) of Spain and France (Yésou 1985;Carrera et al 1993;Martinez-Abrain et al 2002;Galarza et al 2012) and the Balearic Islands (Carrera et al 1993; Fig. 1).…”
Section: Discussionmentioning
confidence: 92%
“…Post-culling juvenile 2-year-old 3-year-old adult juvenile 2-year-old 3-year-old adult Galarza et al 2012), as well as some colonies in Sardinia (Carrera et al 1993;Galarza et al 2012) and along the Atlantic North Spanish coast (Arizaga et al 2010). Such a concentration of juveniles has been linked to the high availability of food in the region (linked to its high fishing productivity) relative to the Mediterranean Sea during summer (Le Mao and Yésou 1993).…”
Section: Pre-cullingmentioning
confidence: 99%
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“…Las poblaciones de varias especies de aves marinas aumentaron de forma espectacular en Europa durante el siglo pasado como consecuencia de la protección de sus colonias de cría y sobre todo debido al incremento de la cantidad de alimento disponible, procedente principalmente de vertederos y descartes pesqueros (Pons & Migot, 1995;Grémillethasta el País Vasco, pertenecen a la subespecie lusitanius, siendo una población con un comportamiento marcadamente sedentario (Arizaga et al, 2010), frente al comportamiento en parte migratorio de la población mediterránea, perteneciente a la subespecie michahellis (Galarza et al, 2012). Esta población atlántica estaba compuesta en España por 63.274 parejas según el último censo, de las cuales alrededor del 7% anidaba en el País Vasco (Molina, 2009).…”
Section: Laburpenaunclassified
“…No obstante, teniendo en cuenta lo observado en Bizkaia en el último sexenio, resulta predecible que el paulatino cumplimiento de la Directiva del Consejo de Europa (1999/31/UE) traspuesta en el Real Decreto 1481/2001, que insta a la reducción de la cantidad de residuos biodegradables, vaya a afectar seriamente a toda la población de la subespecie lusitanius y, probablemente también a la fracción migradora michahellis, de presencia verano-otoñal en esta región (Galarza et al, 2012). Esta situación podría verse agravada por la normativa europea que promueve la reducción de descartes pesqueros (Regulación EU 1380/2013), otra de las fuentes importantes de alimentación de las gaviotas patiamarillas en el golfo de Bizkaia (Arizaga et al, 2013).…”
Section: Laburpenaunclassified