Breeding tropical shearwaters use distant foraging sites when self-provisioning

McDuie, F., Weeks, S. J., Miller, M. G. R. and Congdon, B.,C. (2015) Breeding tropical shearwaters use distant foraging sites when self-provisioning. Marine Ornithology, 43 1: 123-129.

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Author McDuie, F.
Weeks, S. J.
Miller, M. G. R.
Congdon, B.,C.
Title Breeding tropical shearwaters use distant foraging sites when self-provisioning
Journal name Marine Ornithology   Check publisher's open access policy
ISSN 1018-3337
Publication date 2015
Year available 2015
Sub-type Article (original research)
Open Access Status File (Publisher version)
Volume 43
Issue 1
Start page 123
End page 129
Total pages 7
Place of publication Honolulu, HI United States
Publisher Pacific Seabird Group
Collection year 2016
Language eng
Formatted abstract
To determine whether breeding tropical shearwaters use “at-distance” locations during the long-trip phase of their bimodal foraging cycle, we deployed PTT satellite tracking devices on adult Wedge-tailed Shearwaters Ardenna pacifica of the Great Barrier Reef (GBR), Australia, over three breeding seasons. During the long-trip phase (8–14 d), a component of a bimodal pattern of foraging not seen previously in a tropical shearwater, birds travelled to distant sites in the Coral Sea between 300 and 1100 km from the breeding colony, primarily to the north and east. At-distance foraging sites were in deeper water and closer to seamounts than were near-colony foraging sites used for chick provisioning, a combination of features indicating enhanced prey availability at these at-distance locations. These findings imply that longterm reproductive success at this and likely other GBR colonies is strongly dependent on the continued stability of these at-distance locations, yet at present all are outside the current Great Barrier Reef Marine Park management zone. To adequately conserve GBR seabirds and other
marine species using these resources, a conservation strategy integrated with current management practices is needed for the open waters of the Coral Sea.
Keyword Ardenna pacifica
At distance foraging
PTT satellite tracking
Tropical seabirds
Wedge tailed Shearwaters
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: School of Geography, Planning and Environmental Management Publications
Official 2016 Collection
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Created: Tue, 09 Jun 2015, 02:06:10 EST by System User on behalf of School of Geography, Planning & Env Management