The Influence of Mate Retention and Divorce Upon Reproductive Success in Short-Tailed Shearwaters Puffinus tenuirostris

Bradley, J. S.; Wooller, R. D.; Skira, I. J.; Serventy, D. L.

doi:10.2307/4876

Cited by 123 publications

(72 citation statements)

References 20 publications

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“…It is also possible that young birds are less e¡ective at brooding chicks during the period of thermal dependency or cannot sustain the energetic requirements of the brooding period. The age e¡ects we observed might also operate through other aspects of breeding experience, such as intrapair coordination of activities (Bradley et al 1990;Ce¨zilly & Nager 1996). Individual state and its e¡ect on breeding performance is likely to be involved; this may show age-related changes within the individual itself and there may also be a higher proportion of good quality phenotypes in old age classes through di¡erential survival rates (Forslund & PÌrt 1995;McNamara & Houston 1996).…”

Section: Discussionmentioning

confidence: 97%

Experimental evidence that age-specific reproductive success is independent of environmental effects

Daunt

Wanless²,

Harris³

et al. 1999

Proc. R. Soc. Lond. B

107

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An age-speci¢c improvement in reproductive performance has been reported in many iteroparous breeders. However, whether this is a consequence of intrinsic di¡erences in competence amongst age classes or extrinsic di¡erences in the environment they experience is unclear since the timing of breeding within a season generally also di¡ers with age. To disentangle these e¡ects, we experimentally manipulated the timing of breeding in shags, Phalacrocorax aristotelis. Old and young individuals thus reared their chicks at the same time both early and late in the breeding season. When breeding in the same environmental conditions, old pairs performed consistently better than young pairs. These data clearly demonstrate that the age-related di¡erences in reproductive performance are not a result of environmental e¡ects, but rather a consequence of intrinsic di¡erences in brood rearing capacity.

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Section: Discussionmentioning

confidence: 97%

Experimental evidence that age-specific reproductive success is independent of environmental effects

Daunt

Wanless²,

Harris³

et al. 1999

Proc. R. Soc. Lond. B

107

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“…This might result from low breeding success, predation or a tendency of birds to change mate and nest after a failure (e.g., Bradley et al, 1990;Thompson and Furness, 1991;Mougin et al, 2000). Competition for a limited number of nest sites may also have been a factor with some Macaronesian shearwater nests seen to be occupied by other species.…”

Section: Environmental Factors Influencing Breeding Parametersmentioning

confidence: 99%

Breeding biology of a winter-breeding procellariiform in the North Atlantic, the Macaronesian shearwater Puffinus lherminieri baroli

Fagundes¹,

Ramos

et al. 2016

Zoology

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Breeding biology of a winter-breeding procellariiform in the North Atlantic, the Macaronesian shearwater Puffinus lherminieri baroli.Zoology http://dx.doi.org/10. 1016/j.zool.2016.05.014 This is a PDF file of an unedited manuscript that has been accepted for publication. As a service to our customers we are providing this early version of the manuscript. The manuscript will undergo copyediting, typesetting, and review of the resulting proof before it is published in its final form. Please note that during the production process errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain.  Climatic stochasticity events have an effect on foraging and breeding success. ABSTRACTThe breeding success of burrow-nesting seabirds may be influenced by both nest site characteristics and oceanographic conditions influencing food availability at sea. In this study we describe the breeding biology of the winter-breeding Macaronesian shearwater (Puffinus lherminieri baroli), including nest site characteristics and interspecific competition. We also evaluate the possible effects of changing oceanographic conditions on breeding phenology and breeding success. The study was carried out over two breeding seasons on two islands in the North Atlantic Ocean, Cima Islet and Selvagem Grande. Oceanographic characteristics differed between years. On a regional scale, the North Atlantic Oscillation (NAO) index was low and negative in 2011, and on a local scale, birds used areas with significantly lower values of chlorophyll a concentration and significantly higher values of sea surface temperature anomalies.Hatching success was higher in 2012 than in 2011. At both colonies, egg cracking was the main cause of hatching failure, but in 2011 several eggs on Selvagem Grande were deserted. In 2012 birds laid earlier and chicks had longer wings and were heavier. At both colonies, nests that were deeper, were sheltered from prevailing winds and had small chambers and a soil substrate had a higher probability of being used successfully by the birds. Nests occupied solely by Macaronesian shearwaters were much deeper and had less volume than nests shared with other species. Our study suggests that the breeding success of Macaronesian shearwaters is strongly related to nest site characteristics and that at-sea environmental conditions exert a strong influence on reproductive parameters, with birds breeding in a poor year (evaluated in terms of lower marine productivity) laying much later and their chicks growing at a slower rate than in a good year. The influence of nest site characteristics and environmental conditions may be very important for understanding the breeding ecology of Procellariiformes and may help explain the negative population trend of Macaronesian shearwaters.

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“…Hatching success and chick survival can further be reduced by a large increase in recruitment of young pairs or individuals, because penguins breeding for the first time have lower breeding success than experienced breeders (Richdale 1957;Ainley et al 1983;Dann & Cullen 1990;Marchant & Higgins 1990;Williams 1995). The same is true in other long-lived seabirds (for example, Rowley 1983;Nol & Smith 1987;Bradley et al 1990). Therefore, an increase in a breeding population may produce a decrease in average breeding success.…”

Section: Introductionmentioning

confidence: 72%

Survival and breeding of yellow‐eyed penguins(Megadyptes antipodes),at two locations on Otago Peninsula, South Island, New Zealand, 1991–96

Ratz¹,

Darby²,

Edge³

et al. 2004

New Zealand Journal of Zoology

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Two breeding locations of the endangered yellow-eyed penguin (Megadyptes antipodes), were monitored for six seasons between 1991 and 1996 to assess breeding success, breeding frequency, and survival parameters. Breeding success was inversely related to the total number of nests, suggesting that an influx of inexperienced breeders decreases the average breeding success. The proportions of males not breeding at either location in a season ranged from 0 to 13%, and 0 and 23% for females. Between 75 and 92% of breeders were recorded breeding in two consecutive seasons, while between 0 and 6% of breeders skipped one season and 9% of females (but no males) skipped two consecutive seasons. Annual survival averaged 90% for both breeding locations for four seasons (males 93%, females 90%).

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The Influence of Mate Retention and Divorce Upon Reproductive Success in Short-Tailed Shearwaters Puffinus tenuirostris

Cited by 123 publications

References 20 publications

Experimental evidence that age-specific reproductive success is independent of environmental effects

Experimental evidence that age-specific reproductive success is independent of environmental effects

Breeding biology of a winter-breeding procellariiform in the North Atlantic, the Macaronesian shearwater Puffinus lherminieri baroli

Survival and breeding of yellow‐eyed penguins(Megadyptes antipodes),at two locations on Otago Peninsula, South Island, New Zealand, 1991–96

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