About the Authors

Maite Gartzia

maitegartzia@yahoo.es

Affiliation Instituto Pirenaico de Ecología (CSIC), Jaca, Huesca, Spain

Federico Fillat

Affiliation Instituto Pirenaico de Ecología (CSIC), Jaca, Huesca, Spain

Fernando Pérez-Cabello

Affiliation Department of Geography and Spatial Management, and Aragon University Research Institute in Environmental Science (IUCA) (University of Zaragoza), Zaragoza, Spain

Concepción L. Alados

Affiliation Instituto Pirenaico de Ecología (CSIC), Zaragoza, Spain

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: MG CLA. Performed the experiments: MG CLA. Analyzed the data: MG CLA. Contributed reagents/materials/analysis tools: MG CLA FF. Wrote the paper: MG CLA FF FPC.