[1] Univ Valladolid, Sustainable Forest Management Res Inst, Valladolid, Spain
[2] INIA, Madrid, Spain
[3] Univ Valladollid, Dept Prod Vegetal & Recursos Forestales, ETS Ingn Agr, Palencia, Spain
[4] Tech Univ Zvolen, Fac Forestry, Dept Forest Management & Geodesy, Zvolen, Slovakia
[5] Georg August Univ Gottingen, Abt Waldbau & WaldKol Gemassigten Zonen, Gottingen, Germany
[6] Univ Lisbon, Forest Res Ctr, Sch Agr, Lisbon, Portugal
[7] Wageningen Univ & Res, Forest Ecol & Forest Management Grp, Droevendaalsesteeg 3a, NL-6708 PB Wageningen, Netherlands
[8] Warsaw Univ Life Sci, Dept Silviculture, Warsaw, Poland
[9] Univ Lleida, Ctr Ciencia & Tecnol Forestal Catalunya CTFC, Dept Engn Agroforestal, ETSEA, Solsona, Spain
[10] Univ Tras Os Montes & Alto Douro, Dept Forest Sci & Landscape Arquitecture, Vila Real, Portugal
[11] Estonian Univ Life Sci, Dept Forest Management, Tartu, Estonia
[12] Inst Sydsvensk Skogsvetenskap SLU, Alnarp, Sweden
[13] Univ Agr, Inst Forest Ecol & Silviculture, Dept Silviculture, Krakow, Poland
[14] Tech Univ Munich, Chair Forest Growth & Yield Sci, Munich, Germany
[15] Univ Novi Sad, Inst Lowland Forestry & Environm, Novi Sad, Serbia
[16] Swiss Fed Inst Technol, Inst Terr Ecosyst, Zurich, Switzerland
[17] Croatian Forest Res Inst, Jastrebarsko, Croatia
[18] INIA, Forest Res Ctr INIA CIFOR, Madrid, Spain
[19] CSIC, Spanish Natl Res Council MNCN, Natl Museum Nat Sci, Dept Biogeog & Global Change, Madrid, Spain
[20] Czech Univ Life Sci, Fac Forestry & Wood Sci, Kamycka 129, Prague 16500 6, Suchdol, Czech Republic