About the Authors
- Terje Kristensen
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* E-mail: terjekrist@gmail.com
Current Address: Department of Forest Resources, University of Minnesota, Saint Paul, Minnesota, United States of America
Affiliation Department of Ecology and Natural Resource Management, Norwegian University of Life Sciences, Ås, Norway
- Erik Næsset
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Affiliation Department of Ecology and Natural Resource Management, Norwegian University of Life Sciences, Ås, Norway
- Mikael Ohlson
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Affiliation Department of Ecology and Natural Resource Management, Norwegian University of Life Sciences, Ås, Norway
- Paul V. Bolstad
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Affiliation Department of Forest Resources, University of Minnesota, Saint Paul, Minnesota, United States of America
- Randall Kolka
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Affiliation United States Forest Service, United States Department of Agriculture, Grand Rapids, Minnesota, United States of America
Competing Interests
The authors have declared that no competing interests exist.
Author Contributions
Conceived and designed the experiments: TK EN MO. Performed the experiments: TK EN MO. Analyzed the data: TK EN MO PB RK. Contributed reagents/materials/analysis tools: TK EN MO PB RK. Wrote the paper: TK EN MO PB RK.