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Climate of the Past An interactive open-access journal of the European Geosciences Union
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Volume 12, issue 5 | Copyright
Clim. Past, 12, 1137-1149, 2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.

Research article 11 May 2016

Research article | 11 May 2016

Spatial climate dynamics in the Iberian Peninsula since 15 000 yr BP

Pedro Tarroso1,2,3, José Carrión4, Miriam Dorado-Valiño5, Paula Queiroz6, Luisa Santos7, Ana Valdeolmillos-Rodríguez8, Paulo Célio Alves1,2, José Carlos Brito1, and Rachid Cheddadi3 Pedro Tarroso et al.
  • 1InBio/CIBIO, Centro de Investigação em Biodiversidade e Recursos Genéticos da Universidade do Porto, Campus Agrário de Vairão, Vairão 4485-661, Portugal
  • 2Departamento de Biologia da Faculdade de Ciências, Universidade do Porto, 4099-002 Porto, Portugal
  • 3Institut des Sciences de l'Evolution, UMR CNRS5554, 34090 Montpellier, France
  • 4Department of Plant Biology, University of Murcia, Campus de Espinardo, 30100 Murcia, Spain
  • 5Research Group of Archaeobiology, History Institute, CCHS, CSIC, Albasanz 26-28, 28037 Madrid, Spain
  • 6Terra Scenica, Centro para a criatividade partilhada das Ciências, Artes e Tecnologias, Lisbon, Portugal
  • 7Facultad de Ciencias, Universidade da Coruña, Campus A Zapateira, 15071 A Coruña, Spain
  • 8C/Teniente Ruiz 5, 2B, 28805 Alcalá de Henares, Madrid, Spain

Abstract. Climate changes in the Iberian Peninsula since the Last Glacial Maximum are associated with distributional shifts of major Mediterranean and European temperate species. The dynamic relationship between climate and species in the past may be retrieved from the fossil records available in the Iberian Peninsula. We have used an extensive set of pollen records to reconstruct spatial layers (1kyr interval) of January minimum temperature, July maximum temperature, and annual precipitation over the time period between 15 and 3ka. A functional principal component analysis was used to summarise the spatial evolution of climate in areas that share similar climate trends. When compared between them, the identified four areas show different climate trends over the studied period and are coherent with the existence of multiple refugial areas within the Iberian Peninsula.

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Short summary
The climate fluctuates between warm and cold stages, forcing biodiversity to shift patterns according to climatic tolerance. Here we provide an analysis of the shifting patterns of climate in the Iberian Peninsula for the last 15 000 years. By analysing climate in the spatial and temporal dimensions, we were able to divide the peninsula into areas that shared similar climate patterns and to derive a map of climate stability for this period.
The climate fluctuates between warm and cold stages, forcing biodiversity to shift patterns...