About the Authors

Emma Cebrian

emma.cebrian@udg.edu

Affiliation Universitat de Girona, Facultat de Ciències, Departament de Ciències Ambientals, Girona, Spain

Maria Jesus Uriz

Affiliation Centre d'Estudis Avançats de Blanes-CSIC, Blanes, Girona, Spain

Joaquim Garrabou

Affiliation Institut de Ciències del Mar-CSIC, Barcelona, Spain

Enric Ballesteros

Affiliation Centre d'Estudis Avançats de Blanes-CSIC, Blanes, Girona, Spain

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: EC MJU JG EB. Performed the experiments: EC. Analyzed the data: EC. Contributed reagents/materials/analysis tools: EC MJU EB JG. Wrote the paper: EC MJU EB JG. TEM observations: MJU.