Acknowledgments
We thank the many Elisabet Ottosson, Terhi Ala-Risku, Jorma Pennanen, Juha Karvonen, Miika Karppinen, Mari Oja, Olli-Pekka Näsärö and Hanna Jauhiainen who took part in the data collection in the second survey, and several other experts and field assistants that took part in the first survey. Helen Moor is acknowledged for making the Figure 1B. The first survey was funded by the Finnish Ministry of Agriculture and Forestry, the Finnish Ministry of Environment and the EU Forest Focus research programme to JS while the second survey and the contributions by PH and TS were funded by Formas grant 2013-1096 to TS and JN and through the 2015-2016 BiodivERsA COFUND call (project GreenFutureForest) for research proposals, with the national funders Formas (2016-01949) and the Research Council of Norway (project 268624) to TS and JN.