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Long-term reproductive success of Australasian gannets (Morus serrator)

Pyk, Tanya, Bunce, Ashley and Norman, Ian 2005, Long-term reproductive success of Australasian gannets (Morus serrator), in The third biennial Australasian Ornithological Conference, pp. 99-99.

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Title Long-term reproductive success of Australasian gannets (Morus serrator)
Author(s) Pyk, Tanya
Bunce, Ashley
Norman, Ian
Conference name Australasian Ornithological Conference (3rd : 2005 : Blenheim, N.Z.)
Conference location Blenheim, N.Z.
Conference dates 6-10 Dec. 2005
Title of proceedings The third biennial Australasian Ornithological Conference
Publication date 2005
Start page 99
End page 99
Summary Life history theory predicts that individuals make trade-offs between investment in current reproduction, future reproductive potential and success in order to maximise lifetime reproductive success (LRS). Factors that may influence LRS in seabirds include delayed maturity, small clutches, high adults survivorship and long life spans. Studies have shown that reproductive success of seabirds increases with age and experience. Australasian gannets are long-lived seabirds that typically commence breeding at five or six years of age. A small colony of gannets was monitored over 12 years. This study aimed to identify patterns of long-term individual breeding biology. Results indicate that nest site, pair bond duration, age and breeding experience are all important factors in reproductive success. Relationships were found between breeding success and several variables including breeding experience, pair bond duration and nest site quality. Identifying and understanding the factors that contribute to individuals’ reproductive success is of critical importance for future conservation and management of seabird species.
Language eng
Field of Research 050202 Conservation and Biodiversity
Socio Economic Objective 970107 Expanding Knowledge in the Agricultural and Veterinary Sciences
HERDC Research category E3 Extract of paper
Persistent URL http://hdl.handle.net/10536/DRO/DU:30014467

Document type: Conference Paper
Collection: School of Ecology and Environment
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