Use of terrestrial habitats by burrow-nesting seabirds in south-eastern Australia

Schumann, Nicole, Dann, Peter and Arnould, John P.Y. 2013, Use of terrestrial habitats by burrow-nesting seabirds in south-eastern Australia, Emu, vol. 113, no. 2, pp. 135-144.

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Title Use of terrestrial habitats by burrow-nesting seabirds in south-eastern Australia
Author(s) Schumann, Nicole
Dann, Peter
Arnould, John P.Y.
Journal name Emu
Volume number 113
Issue number 2
Start page 135
End page 144
Total pages 10
Publisher CSIRO Publishing
Place of publication Melbourne, Vic.
Publication date 2013
ISSN 0158-4197
1448-5540
Keyword(s) breeding habitat
GAMM
Summary The size and growth of seabird populations are believed to be regulated, in part, by the availability and quality of suitable breeding habitat. Global climate change is predicted to affect coastal habitats and may, therefore, have important consequences for the terrestrial breeding habitat of seabirds and hence seabird populations. The present study assessed use of breeding habitat in the four most abundant species of seabird breeding in south-eastern Australia using a generalised additive mixed-modelling approach. Habitat characteristics were measured on 13 islands in winter and summer, 2008-11. Burrows of the four species were associated with one or more habitat parameters, potentially explained by predator avoidance, physical requirements and possibly by interspecific competition. Whereas the habitat characteristics used by each species showed broad interspecific overlap, there was strong divergence, and the four species typically occupied different nesting sites within breeding areas. Information on the proportion of available habitat used and the influence of breeding habitat on reproductive success would enhance current understanding of what constitutes optimal breeding habitat as well as the role of interspecific competition in this assemblage of seabirds.
Language eng
Field of Research 060205 Marine and Estuarine Ecology (incl Marine Ichthyology)
060207 Population Ecology
060809 Vertebrate Biology
Socio Economic Objective 970106 Expanding Knowledge in the Biological Sciences
HERDC Research category C1 Refereed article in a scholarly journal
Persistent URL http://hdl.handle.net/10536/DRO/DU:30055341

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