Spatial and habitat variation in aphid, butterfly, moth and bird phenologies over the last half century

© 2019 The Authors. Global Change Biology Published by John Wiley & Sons Ltd.

Bibliographische Detailangaben
Veröffentlicht in:Global change biology. - 1999. - 25(2019), 6 vom: 01. Juni, Seite 1982-1994
1. Verfasser: Bell, James R (VerfasserIn)
Weitere Verfasser: Botham, Marc S, Henrys, Peter A, Leech, David I, Pearce-Higgins, James W, Shortall, Chris R, Brereton, Tom M, Pickup, Jon, Thackeray, Stephen J
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2019
Zugriff auf das übergeordnete Werk:Global change biology
Schlagworte:Journal Article Research Support, Non-U.S. Gov't climate change first egg day first flight generalized additive mixed models global warming temporal trends
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520 |a © 2019 The Authors. Global Change Biology Published by John Wiley & Sons Ltd. 
520 |a Global warming has advanced the timing of biological events, potentially leading to disruption across trophic levels. The potential importance of phenological change as a driver of population trends has been suggested. To fully understand the possible impacts, there is a need to quantify the scale of these changes spatially and according to habitat type. We studied the relationship between phenological trends, space and habitat type between 1965 and 2012 using an extensive UK dataset comprising 269 aphid, bird, butterfly and moth species. We modelled phenologies using generalized additive mixed models that included covariates for geographical (latitude, longitude, altitude), temporal (year, season) and habitat terms (woodland, scrub, grassland). Model selection showed that a baseline model with geographical and temporal components explained the variation in phenologies better than either a model in which space and time interacted or a habitat model without spatial terms. This baseline model showed strongly that phenologies shifted progressively earlier over time, that increasing altitude produced later phenologies and that a strong spatial component determined phenological timings, particularly latitude. The seasonal timing of a phenological event, in terms of whether it fell in the first or second half of the year, did not result in substantially different trends for butterflies. For moths, early season phenologies advanced more rapidly than those recorded later. Whilst temporal trends across all habitats resulted in earlier phenologies over time, agricultural habitats produced significantly later phenologies than most other habitats studied, probably because of nonclimatic drivers. A model with a significant habitat-time interaction was the best-fitting model for birds, moths and butterflies, emphasizing that the rates of phenological advance also differ among habitats for these groups. Our results suggest the presence of strong spatial gradients in mean seasonal timing and nonlinear trends towards earlier seasonal timing that varies in form and rate among habitat types 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
650 4 |a climate change 
650 4 |a first egg day 
650 4 |a first flight 
650 4 |a generalized additive mixed models 
650 4 |a global warming 
650 4 |a temporal trends 
700 1 |a Botham, Marc S  |e verfasserin  |4 aut 
700 1 |a Henrys, Peter A  |e verfasserin  |4 aut 
700 1 |a Leech, David I  |e verfasserin  |4 aut 
700 1 |a Pearce-Higgins, James W  |e verfasserin  |4 aut 
700 1 |a Shortall, Chris R  |e verfasserin  |4 aut 
700 1 |a Brereton, Tom M  |e verfasserin  |4 aut 
700 1 |a Pickup, Jon  |e verfasserin  |4 aut 
700 1 |a Thackeray, Stephen J  |e verfasserin  |4 aut 
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