About the Authors

Anja Schmithals

anja.schmithals@tu-berlin.de

Affiliation Department of Landscape Architecture and Environmental Planning, Chair of Vegetation Technology and Planting Design, Berlin Institute of Technology, Berlin, Germany

Norbert Kühn

Affiliation Department of Landscape Architecture and Environmental Planning, Chair of Vegetation Technology and Planting Design, Berlin Institute of Technology, Berlin, Germany

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: AS NK. Performed the experiments: AS. Analyzed the data: AS. Contributed reagents/materials/analysis tools: NK. Wrote the paper: AS NK.