Passerines may be sufficiently plastic to track temperature-mediated shifts in optimum lay date

© 2016 The Authors. Global Change Biology Published by John Wiley & Sons Ltd.

Bibliographische Detailangaben
Veröffentlicht in:Global change biology. - 1999. - 22(2016), 10 vom: 06. Okt., Seite 3259-72
1. Verfasser: Phillimore, Albert B (VerfasserIn)
Weitere Verfasser: Leech, David I, Pearce-Higgins, James W, Hadfield, Jarrod D
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2016
Zugriff auf das übergeordnete Werk:Global change biology
Schlagworte:Journal Article Comment citizen science climate cues environmental sensitivity of selection local adaptation optimum phenology plasticity space for time
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500 |a CommentOn: Glob Chang Biol. 2016 Dec;22(12):4114-4123. doi: 10.1111/gcb.13319. - PMID 27081764 
500 |a Citation Status MEDLINE 
520 |a © 2016 The Authors. Global Change Biology Published by John Wiley & Sons Ltd. 
520 |a Projecting the fates of populations under climate change is one of global change biology's foremost challenges. Here, we seek to identify the contributions that temperature-mediated local adaptation and plasticity make to spatial variation in nesting phenology, a phenotypic trait showing strong responses to warming. We apply a mixed modeling framework to a Britain-wide spatiotemporal dataset comprising >100 000 records of first egg dates from four single-brooded passerine bird species. The average temperature during a specific time period (sliding window) strongly predicts spatiotemporal variation in lay date. All four species exhibit phenological plasticity, advancing lay date by 2-5 days °C(-1) . The initiation of this sliding window is delayed further north, which may be a response to a photoperiod threshold. Using clinal trends in phenology and temperature, we are able to estimate the temperature sensitivity of selection on lay date (B), but our estimates are highly sensitive to the temporal position of the sliding window. If the sliding window is of fixed duration with a start date determined by photoperiod, we find B is tracked by phenotypic plasticity. If, instead, we allow the start and duration of the sliding window to change with latitude, we find plasticity does not track B, although in this case, at odds with theoretical expectations, our estimates of B differ across latitude vs. longitude. We argue that a model combining photoperiod and mean temperature is most consistent with current understanding of phenological cues in passerines, the results from which suggest that each species could respond to projected increases in spring temperatures through plasticity alone. However, our estimates of B require further validation 
650 4 |a Journal Article 
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650 4 |a environmental sensitivity of selection 
650 4 |a local adaptation 
650 4 |a optimum 
650 4 |a phenology 
650 4 |a plasticity 
650 4 |a space for time 
700 1 |a Leech, David I  |e verfasserin  |4 aut 
700 1 |a Pearce-Higgins, James W  |e verfasserin  |4 aut 
700 1 |a Hadfield, Jarrod D  |e verfasserin  |4 aut 
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773 1 8 |g volume:22  |g year:2016  |g number:10  |g day:06  |g month:10  |g pages:3259-72 
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