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Provision of artificial shelter on beaches is associated with improved shorebird fledging success

Maguire, Grainne S., Duivenvoorden, Andrew K., Weston, Michael A. and Adams, Robyn 2011, Provision of artificial shelter on beaches is associated with improved shorebird fledging success, Bird conservation international, vol. 21, no. 2, pp. 172-185.

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Title Provision of artificial shelter on beaches is associated with improved shorebird fledging success
Author(s) Maguire, Grainne S.
Duivenvoorden, Andrew K.
Weston, Michael A.
Adams, Robyn
Journal name Bird conservation international
Volume number 21
Issue number 2
Start page 172
End page 185
Total pages 14
Publisher Cambridge Univeristy Press
Place of publication Cambridge, England
Publication date 2011
ISSN 0959-2709
Summary Artificial chick shelters might improve productivity of beach-nesting birds threatened by anthropogenic disturbance. We investigated the efficacy of three different chick shelter designs against four criteria: accessibility to chicks over time, thermal insulation, conspicuousness to beach-goers, and practicality (cost and ease of transport). One design (‘A-frame’) was selected because it offered the greatest thermal insulation, was the least conspicuous, most cost effective, and performed equally well in terms of accessibility. We deployed these artificial shelters on Hooded Plover Thinornis rubricollis territories where broods were present (n 5 11), and compared the behaviour and survival rate of chicks to that at control sites (n 5 10). We were unable to discern any difference in the behaviour of broods when artificial shelters were available. However, the survival rate of chicks to fledging was 71.8% higher where an artificial shelter was provided (n 5 21 broods). This was validated by analysing data from a larger sample of broods monitored as part of an active volunteer-based management programme; shelters conferred a 42.8%increase in survival to fledging (n 5 81 broods). Thus, artificial shelters have the potential to increase survival rates of threatened shorebird chicks, though the mechanisms through which survival is increased require further investigation.
Notes Published online 11 August 2010
Language eng
Field of Research 050211 Wildlife and Habitat Management
Socio Economic Objective 960503 Ecosystem Assessment and Management of Coastal and Estuarine Environments
HERDC Research category C1 Refereed article in a scholarly journal
HERDC collection year 2011
Copyright notice ©2011, Cambridge University Press
Persistent URL http://hdl.handle.net/10536/DRO/DU:30034582

Document type: Journal Article
Collections: School of Life and Environmental Sciences
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