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dc.contributor.authorBarbosa, Andrés-
dc.date.accessioned2008-12-26T12:18:42Z-
dc.date.available2008-12-26T12:18:42Z-
dc.date.issued1996-
dc.identifier.citationJournal of Coastal Research 1996, vol. 12, no 4, pp. 795-874 (34 ref.), pp. 996-999en_US
dc.identifier.issn0749-0208-
dc.identifier.urihttp://hdl.handle.net/10261/9366-
dc.description.abstractIn the Mediterranean sea tides oscillate only-a few meters and water displacement is mainly due to the influence of winds and changes in atmospheric pressure. This makes Mediterranean estuaries an unpredictable system for shorebirds. The causal mechanisms on habitat selection of Dunlin was studied in such system at Ebro Delta, where littoral and rice field habitats were available for shorebirds. Dunlins choose to forage littoral habitats where prey are more abundant showing higher intake rate in this habitat, however, this species also uses rice fields. No differences in microhabitat use and foraging technique was found between habitats. Intake rate and searching speed were lower when high bird density was present in littoral but not in rice fields. Therefore, the use of both habitats can be explained by a combination of density-dependent effects following the ideal free distribution model and the unpredictability of water movements that reinforce that effect. The study suggests the importance of rice fields as alternative habitats and that the availability of these alternative habitats could contribute significantly to the maintenance of wintering populations of shorebirds in Mediterranean estuariesen_US
dc.format.extent5346872 bytes-
dc.format.mimetypeapplication/pdf-
dc.language.isoengen_US
dc.publisherCoastal Education and Research Foundationen_US
dc.rightsclosedAccessen_US
dc.subjectHabitat selectionen_US
dc.subjectForaging behavioren_US
dc.subjectSpatial distributionen_US
dc.subjectLimicolousen_US
dc.subjectEstuariesen_US
dc.subjectSpainen_US
dc.subjectSelección alojamientoen_US
dc.subjectConducta abastecimientoen_US
dc.subjectDistribución espacialen_US
dc.subjectEstuarioen_US
dc.subjectLimícolaen_US
dc.titleForaging habitat use in a Mediterranean estuary by Dunlin, Calidris alpinaen_US
dc.typeartículoen_US
dc.description.peerreviewedPeer revieweden_US
dc.relation.publisherversionhttp://cat.inist.fr/?aModele=afficheN&cpsidt=2513638en_US
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