University Of Tasmania

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Inter-annual and inter-colony variability in breeding performance of four colonies of short-tailed shearwaters

journal contribution
posted on 2023-05-21, 08:40 authored by Cassandra PriceCassandra Price, Timothy EmeryTimothy Emery, Klaas HartmannKlaas Hartmann, Woehler, EJ, Monash, R, Mark HindellMark Hindell
Biotic responses to large-scale climate processes are scale-dependant and can influence population trajectories of highly migratory species such as short-tailed shearwaters Ardenna tenuirostris. In this study, we quantified changes in climate, measured through large-scale climate indices (i.e. Northern Pacific Index, Pacific Decadal Oscillation, El Nino-Southern Oscillation and Southern Annular Mode) and local weather conditions (i.e. rainfall) on the breeding performance of short-tailed shearwaters at four of their breeding colonies within the Furneaux Island Group, Tasmania, Australia, from 2010 to 2018. There was inter-colony variability in adult body mass and breeding participation, which were influenced by climate conditions in the preceding year. In contrast, breeding success was influenced by climate conditions in the preceding three to four months and by local weather conditions at the time of breeding. These findings demonstrate that variation in the breeding performance of short-tailed shearwaters are explained both by large-scale climate indices and local environmental conditions. The outcomes of this study provide a better understanding of the environmental factors affecting short-tailed shearwaters.


Publication title

Journal of Experimental Marine Biology and Ecology



Article number









Institute for Marine and Antarctic Studies


Elsevier Science Bv

Place of publication

Po Box 211, Amsterdam, Netherlands, 1000 Ae

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© 2020 Elsevier B.V.

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Socio-economic Objectives

Expanding knowledge in the biological sciences