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Delayed timing of breeding as a cost of reproduction

Low, Matthew and Arlt, Debora and Pärt, Tomas and Öberg, Meit (2015). Delayed timing of breeding as a cost of reproduction. Journal of avian biology. 46:4, 325–331
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Abstract

Timing of breeding is a trait with considerable individual variation, often closely linked to fitness because of seasonal declines in reproduction. The drivers of this variation have received much attention, but how reproductive costs may influence the timing of subsequent breeding has been largely unexplored. We examined a population of northern wheatears Oenanthe oenanthe to compare three groups of individuals that differed in their timing of breeding termination and reproductive effort to investigate how these factors may carry over to influence reproductive timing and reproductive output in the following season. Compared to females that bred successfully, females that put in less effort and terminated breeding early due to nest failure tended to arrive and breed earlier in year 2 (mean advancement = 2.2 and 3.3 d respectively). Females that spent potentially more effort and terminated breeding later due to production of a replacement clutch after nest failure, arrived later than other females in year 2. Reproductive output (number of fledglings) in year 2 differed between the three groups as a result of group-level differences in the timing of breeding in combination with the general seasonal decline in reproductive output. Our study shows that the main cost of reproduction was apparent in the timing of arrival and breeding in this migratory species. Hence, reproductive costs can arise through altered timing of breeding since future reproductive success (including adult survival) is often dependent on the timing of breeding in seasonal systems.

Authors/Creators:Low, Matthew and Arlt, Debora and Pärt, Tomas and Öberg, Meit
Title:Delayed timing of breeding as a cost of reproduction
Series/Journal:Journal of avian biology (1600-048X)
Year of publishing :2015
Volume:46
Number:4
Page range:325–331
Number of Pages:7
Publisher:Wiley-Blackwell
ISSN:1600-048X
Language:English
Publication Type:Journal article
Refereed:Yes
Article category:Scientific peer reviewed
Version:Published version
Full Text Status:Public
Subjects:(A) Swedish standard research categories 2011 > 1 Natural sciences > 106 Biological Sciences (Medical to be 3 and Agricultural to be 4) > Ecology
(A) Swedish standard research categories 2011 > 1 Natural sciences > 106 Biological Sciences (Medical to be 3 and Agricultural to be 4) > Behavioural Sciences Biology
(A) Swedish standard research categories 2011 > 1 Natural sciences > 106 Biological Sciences (Medical to be 3 and Agricultural to be 4) > Zoology
Keywords:cost of reproduction, carry over effect, fitness, reproductive success, reproductive effort, parental workload, northern wheatear, Oenanthe oenanthe, breeding time, seasonal decline in reproduction, arrival time
URN:NBN:urn:nbn:se:slu:epsilon-e-2905
Permanent URL:
http://urn.kb.se/resolve?urn=urn:nbn:se:slu:epsilon-e-2905
Additional ID:
Type of IDID
Web of Science (WoS)000357949300001
DOI10.1111/jav.00623
ID Code:12558
Faculty:NJ - Fakulteten för naturresurser och jordbruksvetenskap
Department:(NL, NJ) > Dept. of Ecology
(S) > Dept. of Ecology
External funders:FORMAS and Royal Swedish Academy of Sciences and Swedish Research Council
Deposited By: SLUpub Connector
Deposited On:04 Sep 2015 08:51
Metadata Last Modified:14 Feb 2016 10:42

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