About the Authors

Tim Horstkotte

tim.horstkotte@emg.umu.se

Affiliation Department for Ecology and Environmental Science, Umeå University, Umeå, Sweden

Jon Moen

Affiliation Department for Ecology and Environmental Science, Umeå University, Umeå, Sweden

Tomas Lämås

Affiliation Department of Forest Resource Management, Swedish University of Agricultural Sciences, Umeå, Sweden

Timo Helle

Affiliation Finnish Forest Research Institute, Rovaniemi, Finland

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: T. Horstkotte JM T. Helle. Performed the experiments: T. Horstkotte JM T. Helle. Analyzed the data: T. Helle TL. Wrote the paper: T. Horstkotte TL.