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The significance of northern-central Bass Strait in south-eastern Australia as habitat for burrowing seabirds

Schumann,N, Dann,P and Arnould,JPY 2014, The significance of northern-central Bass Strait in south-eastern Australia as habitat for burrowing seabirds, Emu, vol. 114, no. 3, pp. 234-240, doi: 10.1071/MU13048.

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Title The significance of northern-central Bass Strait in south-eastern Australia as habitat for burrowing seabirds
Author(s) Schumann,N
Dann,P
Arnould,JPYORCID iD for Arnould,JPY orcid.org/0000-0003-1124-9330
Journal name Emu
Volume number 114
Issue number 3
Start page 234
End page 240
Publisher CSIRO publishing
Place of publication Clayton, Vic
Publication date 2014
ISSN 0158-4197
1448-5540
Keyword(s) abundance
breeding distribution.
Science & Technology
Life Sciences & Biomedicine
Ornithology
Zoology
breeding distribution
SHORT-TAILED SHEARWATERS
NESTING SEABIRDS
EUDYPTULA-MINOR
GOUGH ISLAND
VICTORIA
PETRELS
PROCELLARIIFORMES
PREFERENCES
COMPETITION
PENGUINS
Summary The present study provides the first complete estimate of the abundance and distribution of burrowing seabirds in northern-central Bass Strait, a key region for breeding seabirds in south-eastern Australia. The estimated total number of breeding burrows in the region in 2008-11 were 755300±32400 (s.e.) burrows of Short-tailed Shearwaters (Ardenna tenuirostris), 26700±3500 of Little Penguins (Eudyptula minor), 19100±2200 of Common Diving-Petrels (Pelecanoides urinatrix) and 4200±2700 of Fairy Prions (Pachyptila turtur). These represent substantial proportions of the total estimated Australian breeding populations of these species: 6% of the total population of Short-tailed Shearwaters, 14% of Little Penguins, 0.4% of Fairy Prions and 13% of Common Diving-Petrels. Based on the number of active burrows, the number of breeding Short-tailed Shearwaters in the region is estimated to have decreased 35% between 1978-80 and 2008-11, equivalent to a decrease of 1.4% per annum between 1980 and 2011. The regional population of Little Penguins, however, appears to have increased substantially over the same period. Identification of population trends of the other species is limited by a lack of previous data. The importance of this area for burrowing seabirds and the substantial decline in numbers of Short-tailed Shearwaters warrants more frequent monitoring of the abundance of seabirds in the region to allow a robust comparison of changes in populations over time as well as the identification of possible causative factors. © BirdLife Australia 2014.
Language eng
DOI 10.1071/MU13048
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
ERA Research output type C Journal article
Copyright notice ©2014, CSIRO Publishing
Persistent URL http://hdl.handle.net/10536/DRO/DU:30070321

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