About the Authors

Joel Guiot

guiot@cerege.fr

Affiliations CEREGE (European Centre of Research and Teaching in Geosciences of Environment), UMR 6635 Aix-Marseille University/CNRS, Aix-en-Provence, France, ECCOREV (Continental Ecosystems and Risk related to Environment), FR 3098 Aix-Marseille University/CNRS, Aix-en-Provence, France

Christophe Corona

Affiliation CEREGE (European Centre of Research and Teaching in Geosciences of Environment), UMR 6635 Aix-Marseille University/CNRS, Aix-en-Provence, France

ESCARSEL members

Membership of ESCARSEL is provided in the Acknowledgments.

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: JG CC. Analyzed the data: JG. Contributed reagents/materials/analysis tools: CC. Wrote the paper: JG.