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Importance of artificial stopover sites through avian migration flyways: a landfill-based assessment with the White Stork Ciconia ciconia / Arizaga, J., Resano-Mayor, J., Villanua, D., Alonso, D., Barbarin, J. M., Herrero, A., Lekuona, J. M., Rodriguez, R.

Contributor(s): Arizaga, Juan, 1980- | Resano-Mayor, Jaime | Villanúa, Diego, 1979- | Alonso Urmeneta, Daniel, 1957- | Barbarin García, Juan M, 1975- | Herrero Gorrotxategi, Alfredo, 1962- | Lekuona, Jesús M | Rodriguez, Ricardo | Aranzadi Zientzia Elkartea.
Material type: materialTypeLabelComputer fileCitation: Arizaga, J., Resano-Mayor, J., Villanua, D., Alonso, D., Barbarin, J. M., Herrero, A., Lekuona, J. M., Rodriguez, R. Importance of artificial sites through avian migration flyways: a landfill-based assessment with the White Stork Ciconia ciconia. Ibis 160(3). https://doi.org/10.1111/ibi.12566 Publisher: [S.l.]: British Ornithologists’ Union, 2017Content type: Texto (visual) Media type: electrónico Subject(s): conservation biology | East-Atlantic flyway | migratory phenology and behaviour | refuse tips | PyreneesGenre/Form: Artículo científicoSummary: Open landfills seem to be playing an increasing role as target feeding areas for several species, not only in their breeding areas or during the winter, but also during the migration period. Evaluating the extent to which landfill sites are used by migrants is crucial to understanding their role in driving stopover decisions during migration, and in the potential health risks linked to feeding on refuse. The aim of this study was to evaluate the role of two open landfills located just before (France) and after (Spain) the East Atlantic flyway enters Iberia through the western Pyrenees as potentially important stopover sites for the White Stork populations moving along this route. Overall, we detected that these sites were used by storks that had been ringed from many western European breeding populations, mainly during the migration period, but also in winter. The mean distance between the stork breeding/ringing origin and the landfill sites increased from summer to winter, suggesting that storks breeding further away pass through Iberia later in the season, reflecting population-specific timing of migration. During the autumn migration period (August–September), the first encountered landfill in France was estimated to be used by c. 1200 storks, and the other in Spain by 4000 storks. Our study hence contributes to a better understanding of the current and potentially hazardous role played by landfill sites in White Stork ecology, which is essential in order to provide management recommendations, and to evaluate the consequences of proposed open landfill closures in Europe.
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Open landfills seem to be playing an increasing role as target feeding areas for several species, not only in their breeding areas or during the winter, but also during the migration period. Evaluating the extent to which landfill sites are used by migrants is crucial to understanding their role in driving stopover decisions during migration, and in the potential health risks linked to feeding on refuse. The aim of this study was to evaluate
the role of two open landfills located just before (France) and after (Spain) the East Atlantic flyway enters Iberia through the western Pyrenees as potentially important stopover sites for the White Stork populations moving along this route. Overall, we detected that these sites were used by storks that had been ringed from many western European breeding populations, mainly during the migration period, but also in winter. The mean
distance between the stork breeding/ringing origin and the landfill sites increased from summer to winter, suggesting that storks breeding further away pass through Iberia later in the season, reflecting population-specific timing of migration. During the autumn migration period (August–September), the first encountered landfill in France was estimated to be used by c. 1200 storks, and the other in Spain by 4000 storks. Our study
hence contributes to a better understanding of the current and potentially hazardous role played by landfill sites in White Stork ecology, which is essential in order to provide management recommendations, and to evaluate the consequences of proposed open landfill closures in Europe.

Arizaga, J., Resano-Mayor, J., Villanua, D., Alonso, D., Barbarin, J. M., Herrero, A., Lekuona, J. M., Rodriguez, R. Importance of artificial sites through avian migration flyways: a landfill-based assessment with the White Stork Ciconia ciconia. Ibis 160(3). https://doi.org/10.1111/ibi.12566

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