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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 2 | Copyright

Special issue: Human–land–sea interactions in the Mediterranean...

Clim. Past, 12, 273-297, 2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.

Research article 15 Feb 2016

Research article | 15 Feb 2016

7300 years of vegetation history and climate for NW Malta: a Holocene perspective

B. Gambin1,2, V. Andrieu-Ponel1, F. Médail1, N. Marriner3, O. Peyron3, V. Montade3,4, T. Gambin5, C. Morhange6,7, D. Belkacem1, and M. Djamali1 B. Gambin et al.
  • 1Institut Méditerranéen de Biodiversité et d'Ecologie marine et continentale (IMBE), Aix Marseille Université, CNRS, IRD, Avignon Université, Bâtiment Villemin, BP 80, 13545 Aix-en-Provence CEDEX 04, France
  • 2Institute of Earth Systems, University of Malta, Msida, MSD 2080, Malta
  • 3Institut des Sciences de l'Evolution de Montpellier, UM, CNRS, IRD EPHE, Avenue Eugène Bataillon, 34095 Montpellier CEDEX 05, France
  • 4Ecole Pratique des Hautes Etudes, 4–14 rue Ferrus, 75014 Paris, France
  • 5Department of Classics and Archaeology, University of Malta, Msida, MSD 2080, Malta
  • 6CEREGE, Aix Marseille Université, CNRS, BP 80, 13545 Aix-en-Provence CEDEX 04, France
  • 7Institut Universitaire de France, Paris, France

Abstract. This paper investigates the Holocene vegetation dynamics for Burmarrad in Northwest Malta and provides a pollen-based quantitative palaeoclimatic reconstruction for this centrally located Mediterranean archipelago. The pollen record from this site provides new insight into the vegetation changes from 7280 to 1730calBP which correspond well with other regional records. The climate reconstruction for the area also provides strong correlation with southern (below 40°N) Mediterranean sites. Our interpretation suggests an initially open landscape during the early Neolithic, surrounding a large palaeobay, developing into a dense Pistacia scrubland ca. 6700calBP. From about 4450calBP the landscape once again becomes open, coinciding with the start of the Bronze Age on the archipelago. This period is concurrent with increased climatic instability (between 4500 and 3700calBP) which is followed by a gradual decrease in summer moisture availability in the late Holocene. During the early Roman occupation period (1972–1730calBP) the landscape remains generally open with a moderate increase in Olea. This increase corresponds to archaeological evidence for olive oil production in the area, along with increases in cultivated crop taxa and associated ruderal species, as well as a rise in fire events. The Maltese archipelago provides important insight into vegetation, human impacts, and climatic changes in an island context during the Holocene.

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Based on the study of ancient microfossils, such as pollen and spores, this paper explores climate change in a Mediterranean island context. Using a multi-disciplinary approach this original research corroborates existing archaeological and historical data. It also uses comparative data from elsewhere in the central Mediterranean to ensure that the current research is placed within the appropriate geographic context.
Based on the study of ancient microfossils, such as pollen and spores, this paper explores...