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Do dietary changes of Australasian gannets (Morus serrator) reflect variability in pelagic fish stocks?

Bunce, Ashley 2004, Do dietary changes of Australasian gannets (Morus serrator) reflect variability in pelagic fish stocks?, Wildlife research, vol. 31, no. 4, pp. 383-387, doi: 10.1071/WR04008.

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Title Do dietary changes of Australasian gannets (Morus serrator) reflect variability in pelagic fish stocks?
Formatted title Do dietary changes of Australasian gannets (Morus serrator) reflect variability in pelagic fish stocks?
Author(s) Bunce, Ashley
Journal name Wildlife research
Volume number 31
Issue number 4
Start page 383
End page 387
Publisher Commonwealth Scientific and Industrial Research Organisation with the cooperation of the Australian Academy of Science
Place of publication East Melbourne, Vic.
Publication date 2004
ISSN 1035-3712
1448-5494
Summary The relationship between changes in the diet of Australasian gannets (Morus serrator) and commercial fisheries landings was investigated. The contribution of pilchard (Sardinops sagax) to the diet of gannets was significantly related to the commercial catch of that species, suggesting that changes in the relative proportion of pilchard in the diet of gannets may be a useful index of pilchard abundance and availability. Equivalent relationships, however, were not found for other common prey species in the gannet diet. It is considered that the abundance of important prey items in the gannet diet, such as pilchards, and commercial landings are proportional to stock abundance. The implications of this relationship for fisheries management are examined.
Language eng
DOI 10.1071/WR04008
Field of Research 060205 Marine and Estuarine Ecology (incl Marine Ichthyology)
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2004, CSIRO
Persistent URL http://hdl.handle.net/10536/DRO/DU:30002756

Document type: Journal Article
Collection: School of Ecology and Environment
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