Floristic changes in the Iberian Peninsula and Balearic Islands (south-west Europe) during the Cenozoic

Postigo Mijarra, Jose Maria and Barrón López, Eduardo and Gómez Manzaneque, Fernando and Morla Juaristi, Carlos (2009). Floristic changes in the Iberian Peninsula and Balearic Islands (south-west Europe) during the Cenozoic. "Journal of Biogeography", v. 36 (n. 11); pp. 2025-2043. ISSN 0305-0270. https://doi.org/10.1111/j.1365-2699.2009.02142.x.

Description

Title: Floristic changes in the Iberian Peninsula and Balearic Islands (south-west Europe) during the Cenozoic
Author/s:
  • Postigo Mijarra, Jose Maria
  • Barrón López, Eduardo
  • Gómez Manzaneque, Fernando
  • Morla Juaristi, Carlos
Item Type: Article
Título de Revista/Publicación: Journal of Biogeography
Date: November 2009
ISSN: 0305-0270
Volume: 36
Subjects:
Faculty: E.T.S.I. Montes (UPM)
Department: Silvopascicultura [hasta 2014]
Creative Commons Licenses: Recognition - No derivative works - Non commercial

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Abstract

AIM  The aim of this work was to identify the main changes in the flora and vegetation of the Iberian Peninsula over the Cenozoic Era, to record the disappearance of taxa associated with these changes and to determine the influence of climate and human activity on these events. Location  The Iberian Peninsula and Balearic Islands. METHODS  A critical review was made of the palaeobotanical literature with the aims of detecting patterns of floristic change and extracting information on the disappearance of different taxa over the Cenozoic. These data are viewed alongside the most recent data for the climate of this period. A critical analysis is made of the role of Palaeotropical and Arctotertiary taxa in the forest communities of the Iberian Peninsula throughout the Cenozoic. RESULTS  Although the Eocene–Oligocene transition was a time when many taxa disappeared, the most outstanding events occurred between the end of the Oligocene and throughout the Miocene. Substantial floristic changes took place over this period, including the disappearance of 177 Palaeotropical taxa. This was probably related to acute cooling and aridification; no evidence exists that the Messinian Salinity Crisis had any important effect in the Iberian Peninsula. The last great disappearance of Palaeotropical taxa (36 in total) ended in the Middle–Late Piacenzian; Arctotertiary taxa were most affected during the Pleistocene. The Lower–Middle Pleistocene transition, best represented by marine isotopic stages (MIS) 36–34 and 20–18 and characterized by a change in glacial cyclicity, was the time of the last notable disappearance of taxa. MAIN CONCLUSIONS  This work provides the first chronogram of extinctions for the Iberian flora, and records the disappearance of 277 taxa during the Cenozoic. A clear relationship was detected between the main climatic events and the latest appearances of the different taxa.

More information

Item ID: 5074
DC Identifier: http://oa.upm.es/5074/
OAI Identifier: oai:oa.upm.es:5074
DOI: 10.1111/j.1365-2699.2009.02142.x
Official URL: http://onlinelibrary.wiley.com/doi/10.1111/j.1365-2699.2009.02142.x/abstract
Deposited by: Memoria Investigacion
Deposited on: 24 Nov 2010 11:34
Last Modified: 20 Apr 2016 14:02
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