Revealing unexpected uses of space by wintering Aquila pomarina : how does satellite telemetry identify behaviour at different scales?

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dc.contributor.authorMeyburg, Bernd-Ulrichen_ZA
dc.contributor.authorMendelsohn, Stephieen_ZA
dc.contributor.authorMendelsohn, Johnen_ZA
dc.contributor.authorDe Klerk, Helen Margareten_ZA
dc.date.accessioned2016-05-09T06:12:02Z
dc.date.available2016-05-09T06:12:02Z
dc.date.issued2015
dc.descriptionCITATION: Meyburg, B., Mendelsohn, S., Mendelsohn, J. & De Klerk, H.M. 2015. Revealing unexpected uses of space by wintering Aquila pomarina: How does satellite telemetry identify behaviour at different scales? Journal of Avian Biology, 46(6):648–657, doi:10.1111/jav.00670.en_ZA
dc.descriptionThe original publication is available at http://onlinelibrary.wiley.com
dc.description.abstractLittle is understood about the dispersion and movements of Palaearctic migrant raptors while wintering in southern Africa. The high temporal and spatial resolution of GPS telemetry data provided the opportunity to describe how space is used by one such migratory raptor in its wintering range, the lesser spotted eagle Aquila pomarina. Kernel density estimation was used to map the distribution of three individuals at various spatial scales. In addition to their extremely large overall wintering range (up to 112 000 km2), three finer levels of spatial concentration were identified: favoured activity zones where the birds spent much of the winter, smaller core areas to which the birds returned each year, and tiny intensive foraging clusters. Philopatry was demonstrated by one bird which revisited core areas over eight wintering seasons. The same core areas, particularly the Waterberg, Grootfontein (Namibia) and the eastern and western sides of the Okavango Delta (Botswana), were visited by two other eagles in 2012/2013, although not simultaneously. Such results potentially provide important information on areas where conservation activities might be focused to mitigate human degradation of habitat.en_ZA
dc.description.urihttp://onlinelibrary.wiley.com/doi/10.1111/jav.00670/abstract
dc.description.versionPost-print
dc.format.extent10 pages
dc.identifier.citationMeyburg, B., Mendelsohn, S., Mendelsohn, J. & De Klerk, H.M. 2015. Revealing unexpected uses of space by wintering Aquila pomarina: How does satellite telemetry identify behaviour at different scales? Journal of Avian Biology, 46(6):648–657, doi:10.1111/jav.00670.en_ZA
dc.identifier.issn1600-048X (online)
dc.identifier.otherdoi:10.1111/jav.00670
dc.identifier.urihttp://hdl.handle.net/10019.1/98981
dc.language.isoen_ZAen_ZA
dc.publisherWiley Onlineen_ZA
dc.rights.holderJournal of Avian Biologyen_ZA
dc.rights.holderStellenbosch Universityen_ZA
dc.subjectAquila pomarinaen_ZA
dc.subjectEagles -- Africa, Southernen_ZA
dc.subjectMigratory birds -- Africa, Southernen_ZA
dc.subjectEagles -- Migration -- Africa, Southernen_ZA
dc.subjectEagles -- Wintering -- Africa, Southernen_ZA
dc.subjectEagles -- Dispersal --Africa, Southernen_ZA
dc.titleRevealing unexpected uses of space by wintering Aquila pomarina : how does satellite telemetry identify behaviour at different scales?en_ZA
dc.typeArticleen_ZA
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