Robustness of plant-flower visitor webs to simulated climate change

Climate change threatens the integrity of pollination webs by decoupling plants and flower visitors both phenologically and ecologically. We simulated a range shift of flower-visitor species along a steep east-west rainfall gradient to explore resulting patterns of extinction. The systems studied s...

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Main Authors: Mariano Devoto, Martín Zimmermann, Diego Medan
Format: Article
Language:English
Published: Asociación Argentina de Ecología 2007-06-01
Series:Ecología Austral
Subjects:
Online Access:https://ojs.ecologiaaustral.com.ar/index.php/Ecologia_Austral/article/view/1421
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author Mariano Devoto
Martín Zimmermann
Diego Medan
author_facet Mariano Devoto
Martín Zimmermann
Diego Medan
author_sort Mariano Devoto
collection DOAJ
description Climate change threatens the integrity of pollination webs by decoupling plants and flower visitors both phenologically and ecologically. We simulated a range shift of flower-visitor species along a steep east-west rainfall gradient to explore resulting patterns of extinction. The systems studied seemed to be rather robust to range shifts. This results from (a) the positive correlation between the geographic range and both the local (i.e. at each site) and the regional (i.e. pooling across sites) number of interaction partners of the plants and flower visitors of these webs, and (b) a nested assembly of interactions at the regional level. In a broader context, this study reveals itself as a useful tool for understanding the links between the interaction pattern of mutualistic webs and their response to a major threat such as climate change.
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spelling doaj.art-38c16ab46de3480a81630940d6516ed82023-11-13T18:37:25ZengAsociación Argentina de EcologíaEcología Austral0327-54771667-782X2007-06-01171Robustness of plant-flower visitor webs to simulated climate changeMariano Devoto0Martín Zimmermann1Diego Medan2Cátedra de Botánica, Facultad de Agronomía de la Universidad de Buenos Aires, Buenos Aires, Argentina.Depto. de Física, Fac. de Ciencias Exactas y Naturales, Univ. de Buenos Aires, Buenos Aires, Argentina.Cátedra de Botánica, Facultad de Agronomía de la Universidad de Buenos Aires, Buenos Aires, Argentina. Climate change threatens the integrity of pollination webs by decoupling plants and flower visitors both phenologically and ecologically. We simulated a range shift of flower-visitor species along a steep east-west rainfall gradient to explore resulting patterns of extinction. The systems studied seemed to be rather robust to range shifts. This results from (a) the positive correlation between the geographic range and both the local (i.e. at each site) and the regional (i.e. pooling across sites) number of interaction partners of the plants and flower visitors of these webs, and (b) a nested assembly of interactions at the regional level. In a broader context, this study reveals itself as a useful tool for understanding the links between the interaction pattern of mutualistic webs and their response to a major threat such as climate change. https://ojs.ecologiaaustral.com.ar/index.php/Ecologia_Austral/article/view/1421mutualism disruptionplant-pollinator interactionPatagoniaglobal changeextinctionnestedness
spellingShingle Mariano Devoto
Martín Zimmermann
Diego Medan
Robustness of plant-flower visitor webs to simulated climate change
Ecología Austral
mutualism disruption
plant-pollinator interaction
Patagonia
global change
extinction
nestedness
title Robustness of plant-flower visitor webs to simulated climate change
title_full Robustness of plant-flower visitor webs to simulated climate change
title_fullStr Robustness of plant-flower visitor webs to simulated climate change
title_full_unstemmed Robustness of plant-flower visitor webs to simulated climate change
title_short Robustness of plant-flower visitor webs to simulated climate change
title_sort robustness of plant flower visitor webs to simulated climate change
topic mutualism disruption
plant-pollinator interaction
Patagonia
global change
extinction
nestedness
url https://ojs.ecologiaaustral.com.ar/index.php/Ecologia_Austral/article/view/1421
work_keys_str_mv AT marianodevoto robustnessofplantflowervisitorwebstosimulatedclimatechange
AT martinzimmermann robustnessofplantflowervisitorwebstosimulatedclimatechange
AT diegomedan robustnessofplantflowervisitorwebstosimulatedclimatechange