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Mattana, Efisio

Photo of Efisio Mattana
Job title: 

Useful Plants Project Research Coordinator

Seed Conservation
Collecting and Network Support
Joined Kew: 


Foreign languages: 

Italian (mother tongue), Spanish (intermediate), French (basic)

Qualifications and appointments: 
  • Undergraduate Studies, Natural Sciences, University of Cagliari, Cagliari, Italy, 2002
  • PhD, Environmental and Applied Botany, University of Cagliari, Cagliari, Italy, 2009
  • Postdoc Research Fellowship, University of Cagliari, Cagliari, 2009-2013
  • Kew Honorary Visiting Research Associate, 2011

Provide scientific guidance to partners in country in order to deliver the scientific components of UPP, liaising partners research activities in country with Kew’s scientists involved in the project. Overall responsibility for the production of species profiles for the UPP book. Contribute to the UPP database, through the provision of information and data derived from the production of the UPP book. Support the production of dissemination and promotional material, including species technical information sheets, leaflets and project WebPages. In addition, I interact with the research group on their Science-Americas projects.

During my PhD program and the consequent research fellowship at the University of Cagliari, I investigated the seed dormancy and germination ecology of some of the most threatened endemic species of Sardinia. The results of these studies provided new scientific insights on the autoecology of these species, highlighted possible shifts in their regeneration patterns in response to climate change and have activated ex situ conservation programs for these rare and threatened species. As a Kew visiting Honorary Research Associate, my studies focused on the role of seed dormancy classes on distribution patterns of rare species, on modelling the kinetics of temperature-induced dormancy-loss for these species and understand the possible shifts in regeneration patterns in response to climate change.

Selected publications: 

Porceddu, M., Mattana, E., Pritchard, H.W., Bacchetta, G., (2013). Thermal niche for in situ seed germination by Mediterranean mountain streams: model prediction and validation for Rhamnus persicifolia seeds. Annals of Botany 112: 1887 – 1897. Available online

Mattana, E., Stuppy, W.H., Fraser, R., Waller, J., Pritchard, H.W. (2013). Dependency of seed dormancy types on embryo traits and environmental conditions in Ribes species. Plant Biology, in press. Available online

Orrù, M., Mattana, E., Pritchard, H.W., Bacchetta, G. (2012). Thermal thresholds as predictors of seed dormancy release and germination timing: altitude-related risks from climate warming for the wild grapevine Vitis vinifera subsp. sylvestris. Annals of Botany. 110: 1651-1660. Available online

Mattana, E., Pritchard, H.W., Porceddu, M., Stuppy, W.H., Bacchetta, G. (2012). Interchangeable effects of gibberellic acid and temperature on embryo growth, seed germination and epicotyl emergence in Ribes multiflorum ssp. sandalioticum (Grossulariaceae). Plant Biology 14(1):77-87. Available online

Mattana, E., Daws, M.I., Bacchetta, G. (2010): Comparative germination ecology of the endemic Centranthus amazonum (Valerianaceae) and its widespread congener Centranthus ruber. Plant Species Biology 25(3): 165 - 172. Available online