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Bird collisions in a railway crossing a wetland of international importance (Sado estuary, Portugal)

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dc.contributor.authorGodinho, Carlos
dc.contributor.authorMarques, João T.
dc.contributor.authorSalgueiro, Pedro
dc.contributor.authorCatarino, Luísa
dc.contributor.authorCastro, Cândida Osório de
dc.contributor.authorMira, António
dc.contributor.authorBeja, Pedro
dc.date.accessioned2019-02-25T15:45:03Z
dc.date.available2019-02-25T15:45:03Z
dc.date.issued2017
dc.descriptionL. Borda-de-Água et al. (eds.), Railway Ecology, chapter 7, p. 103-115pt_PT
dc.description.abstractMany studies have evaluated bird mortality in relation to roads and other human structures, but little is known about the potential impacts of railways. In particular, it is uncertain whether railways are an important mortality source when crossing wetlands heavily used by aquatic birds. Here we analyze bird collisions in a railway that crosses the Nature Reserve of the Sado Estuary (Portugal) over an annual cycle, documenting bird mortality and the flight behaviour of aquatic birds in relation to a bowstring bridge. During monthly surveys conducted on 16.3 km of railway, we found 5.8 dead birds/km/10 survey days in the section crossing wetland habitats (6.3 km), while <0.5 dead birds/km/10 survey days were found in two sections crossing only forested habitats. Most birds recorded were small songbirds (Passeriformes), while there was only a small number of aquatic birds (common moorhen, mallard, flamingo, great cormorant, gulls) and other non-passerines associated with wetlands (white stork). During nearly 400 h of observations, we recorded 27,000 movements of aquatic birds across the Sado bridge, particularly in autumn and winter. However, only <1% of movements were within the area of collision risk with trains, while about 91% were above the collision risk area, and 8% were below the bridge. Overall, our case study suggests that bird collisions may be far more numerous in railways crossing wetland habitats than elsewhere, although the risk to aquatic birds may be relatively low. Information from additional study systems would be required to evaluate whether our conclusions apply to other wetlands and railway linespt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.doiDOI 10.1007/978-3-319-57496-7_7pt_PT
dc.identifier.urihttp://hdl.handle.net/10400.5/17449
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherSpringerpt_PT
dc.relationTHE INFLUENCE OF FOREST MANAGEMENT ACTIONS ON BIRD COMMUNITIES OF PORTUGUESE ‘MONTADOS’ AND PINE TREE PLANTATIONS
dc.relationNETWORK ANALYSIS OF CONNECTIVITY THREHOLDS IN DYNAMIC LANDSCAPES. A MULTI-SPECIES APPROACH USING BIRDS IN MANAGED PINE FORESTS
dc.subjectanthropogenic mortalitypt_PT
dc.subjectaquatic birdspt_PT
dc.subjectcollision riskpt_PT
dc.subjectenvironmental impactpt_PT
dc.subjectwetlandspt_PT
dc.subjectwildlife mortalitypt_PT
dc.titleBird collisions in a railway crossing a wetland of international importance (Sado estuary, Portugal)pt_PT
dc.typebook part
dspace.entity.typePublication
oaire.awardTitleTHE INFLUENCE OF FOREST MANAGEMENT ACTIONS ON BIRD COMMUNITIES OF PORTUGUESE ‘MONTADOS’ AND PINE TREE PLANTATIONS
oaire.awardTitleNETWORK ANALYSIS OF CONNECTIVITY THREHOLDS IN DYNAMIC LANDSCAPES. A MULTI-SPECIES APPROACH USING BIRDS IN MANAGED PINE FORESTS
oaire.awardURIinfo:eu-repo/grantAgreement/FCT//SFRH%2FBD%2F81602%2F2011/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT//SFRH%2FBD%2F87177%2F2012/PT
oaire.citation.titleRailway Ecologypt_PT
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsopenAccesspt_PT
rcaap.typebookPartpt_PT
relation.isProjectOfPublication31b13b5e-5858-437f-a373-403127540bd8
relation.isProjectOfPublication60120cb7-ee81-4ef4-99ca-7caa9995534e
relation.isProjectOfPublication.latestForDiscovery31b13b5e-5858-437f-a373-403127540bd8

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