About the Authors

Juan A. Martín

Affiliation Departamento de Silvopascicultura, Escuela Técnica Superior de Ingenieros de Montes, Universidad Politécnica de Madrid, Madrid, Spain

Johanna Witzell

johanna.witzell@slu.se

Affiliation Southern Swedish Forest Research Centre, Faculty of Forest Sciences, Swedish University of Agricultural Sciences, Alnarp, Sweden

Kathrin Blumenstein

Affiliation Southern Swedish Forest Research Centre, Faculty of Forest Sciences, Swedish University of Agricultural Sciences, Alnarp, Sweden

Elzbieta Rozpedowska

Affiliation Chemical Ecology, Swedish University of Agricultural Sciences, Alnarp, Sweden

Marjo Helander

Affiliation Department of Biology, Section of Ecology, University of Turku, Turku, Finland

Thomas N. Sieber

Affiliation Institute of Integrative Biology, Eidgenössische Technische Hochschule (ETH) Zurich, Zurich, Switzerland

Luis Gil

Affiliation Departamento de Silvopascicultura, Escuela Técnica Superior de Ingenieros de Montes, Universidad Politécnica de Madrid, Madrid, Spain

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: JAM LG JW. Performed the experiments: JAM JW KB ER MH. Analyzed the data: JAM JW KB ER MH TS. Wrote the paper: JAM JW KB ER MH TS LG.