Complex structural effects of two hemispheric climatic oscillators on the regional spatio-temporal expansion of a threatened bird
Links between climatic conditions in the eastern equatorial Pacific and extratropical ecological processes remain unexplored. The analysis of a 20-year time series of spatial and numeric dynamics of a threatened Mediterranean bird suggests, however, that such couplings can be remarkably complex. By...
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Blackwell Publishing
2004
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Online Access: | http://hdl.handle.net/10261/61840 https://doi.org/10.1111/j.1461-0248.2004.00612.x |
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ftcsic:oai:digital.csic.es:10261/61840 2024-02-11T10:06:25+01:00 Complex structural effects of two hemispheric climatic oscillators on the regional spatio-temporal expansion of a threatened bird Almaraz, Pablo Amat, Juan A. 2004 http://hdl.handle.net/10261/61840 https://doi.org/10.1111/j.1461-0248.2004.00612.x en eng Blackwell Publishing doi:10.1111/j.1461-0248.2004.00612.x issn: 1461-023X Ecology Letters 7: 547- 556 (2004) http://hdl.handle.net/10261/61840 open artículo http://purl.org/coar/resource_type/c_6501 2004 ftcsic https://doi.org/10.1111/j.1461-0248.2004.00612.x 2024-01-16T09:43:12Z Links between climatic conditions in the eastern equatorial Pacific and extratropical ecological processes remain unexplored. The analysis of a 20-year time series of spatial and numeric dynamics of a threatened Mediterranean bird suggests, however, that such couplings can be remarkably complex. By providing a new ecological time-series modelling approach, we were able to dissect the joint effects of the El Niño/Southern Oscillation (ENSO), the North Atlantic Oscillation (NAO), regional weather, population density and stochastic variability on the expansion dynamics of the White-headed duck (Oxyura leococephala) in Spain. Our results suggest that the spatial and numeric dynamics of ducks between peak brood emergence and wintering were simultaneously affected by different climatic phenomena during different phases of their global cycles, involving time lags in the numeric dynamics. Strikingly, our results point to both the NAO and the ENSO as potentially major factors simultaneously forcing ecological processes in the Northern Hemisphere, and suggest a new pathway for non-additive effects of climate in ecology. Peer Reviewed Article in Journal/Newspaper North Atlantic North Atlantic oscillation Digital.CSIC (Spanish National Research Council) Pacific Ecology Letters 7 7 547 556 |
institution |
Open Polar |
collection |
Digital.CSIC (Spanish National Research Council) |
op_collection_id |
ftcsic |
language |
English |
description |
Links between climatic conditions in the eastern equatorial Pacific and extratropical ecological processes remain unexplored. The analysis of a 20-year time series of spatial and numeric dynamics of a threatened Mediterranean bird suggests, however, that such couplings can be remarkably complex. By providing a new ecological time-series modelling approach, we were able to dissect the joint effects of the El Niño/Southern Oscillation (ENSO), the North Atlantic Oscillation (NAO), regional weather, population density and stochastic variability on the expansion dynamics of the White-headed duck (Oxyura leococephala) in Spain. Our results suggest that the spatial and numeric dynamics of ducks between peak brood emergence and wintering were simultaneously affected by different climatic phenomena during different phases of their global cycles, involving time lags in the numeric dynamics. Strikingly, our results point to both the NAO and the ENSO as potentially major factors simultaneously forcing ecological processes in the Northern Hemisphere, and suggest a new pathway for non-additive effects of climate in ecology. Peer Reviewed |
format |
Article in Journal/Newspaper |
author |
Almaraz, Pablo Amat, Juan A. |
spellingShingle |
Almaraz, Pablo Amat, Juan A. Complex structural effects of two hemispheric climatic oscillators on the regional spatio-temporal expansion of a threatened bird |
author_facet |
Almaraz, Pablo Amat, Juan A. |
author_sort |
Almaraz, Pablo |
title |
Complex structural effects of two hemispheric climatic oscillators on the regional spatio-temporal expansion of a threatened bird |
title_short |
Complex structural effects of two hemispheric climatic oscillators on the regional spatio-temporal expansion of a threatened bird |
title_full |
Complex structural effects of two hemispheric climatic oscillators on the regional spatio-temporal expansion of a threatened bird |
title_fullStr |
Complex structural effects of two hemispheric climatic oscillators on the regional spatio-temporal expansion of a threatened bird |
title_full_unstemmed |
Complex structural effects of two hemispheric climatic oscillators on the regional spatio-temporal expansion of a threatened bird |
title_sort |
complex structural effects of two hemispheric climatic oscillators on the regional spatio-temporal expansion of a threatened bird |
publisher |
Blackwell Publishing |
publishDate |
2004 |
url |
http://hdl.handle.net/10261/61840 https://doi.org/10.1111/j.1461-0248.2004.00612.x |
geographic |
Pacific |
geographic_facet |
Pacific |
genre |
North Atlantic North Atlantic oscillation |
genre_facet |
North Atlantic North Atlantic oscillation |
op_relation |
doi:10.1111/j.1461-0248.2004.00612.x issn: 1461-023X Ecology Letters 7: 547- 556 (2004) http://hdl.handle.net/10261/61840 |
op_rights |
open |
op_doi |
https://doi.org/10.1111/j.1461-0248.2004.00612.x |
container_title |
Ecology Letters |
container_volume |
7 |
container_issue |
7 |
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547 |
op_container_end_page |
556 |
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1790604141448396800 |