About the Authors

Paola Pollegioni

paola.pollegioni@ibaf.cnr.it

Affiliation Institute of Agro-environmental and Forest Biology, National Research Council, Porano, Terni, Italy

Keith E. Woeste

Affiliation U.S.D.A. Forest Service, Hardwood Tree Improvement and Regeneration Center, Department of Forestry and Natural Resources, Purdue University, West Lafayette, Indiana, United States of America

Francesca Chiocchini

Affiliation Institute of Agro-environmental and Forest Biology, National Research Council, Porano, Terni, Italy

Stefano Del Lungo

Affiliation The Institute of Archaeological and Monumental Heritage, National Research Council, Tito Scalo, Potenza, Italy

Irene Olimpieri

Affiliation Institute of Agro-environmental and Forest Biology, National Research Council, Porano, Terni, Italy

Virginia Tortolano

Affiliation Institute of Agro-environmental and Forest Biology, National Research Council, Porano, Terni, Italy

Jo Clark

Affiliation Earth Trust, Little Wittenham, Abingdon, Oxfordshire, United Kingdom

Gabriel E. Hemery

Affiliation Sylva Foundation, Little Wittenham, Oxfordshire, United Kingdom

Sergio Mapelli

Affiliation Institute of Agricultural Biology and Biotechnology, National Research Council, Milan, Italy

Maria Emilia Malvolti

Affiliation Institute of Agro-environmental and Forest Biology, National Research Council, Porano, Terni, Italy

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: PP KEW MEM. Performed the experiments: PP FC IO VT JC GEH SM. Analyzed the data: PP FC SDL. Contributed reagents/materials/analysis tools: KEW JC GEH SM MEM. Wrote the paper: PP KEW FC SDL MEM.