[1] Univ Lisbon, Inst Super Agron, Forest Res Ctr CEF, P-1349017 Lisbon, Portugal
[2] Wageningen Univ Res, Alterra, Wageningen, Netherlands
[3] Baden Wurttemberg Forest Res Inst, Freiburg, Germany
[4] Norwegian Inst Bioecon Res, As, Norway
[5] Inst Natl Informat Geog & Forestiere IGN, Direct Interreg Nord Est, Nancy, France
[6] Ctr Invest Forestal CIFOR, Ctr Invest Forestal, Inst Nacl Invest Tecnol Agraria & Alimentaria, Madrid, Spain
[7] Tech Univ Madrid, Dept Nat Syst & Resources, Sch Forestry, Madrid, Spain
[8] Forest Res & Management Inst, Natl Forest Inventory Dept, Voluntari, Romania
[9] Bulgarian Acad Sci, Forest Res Inst, Silviculture & Management Forest Resources, Sofia, Bulgaria
[10] Swiss Fed Res Inst WSL, Sci Serv NFI, Birmensdorf, Switzerland
[11] CREA MPF, Consiglio Ric Agr & Analisi Econ Agraria, Unita Ric Monitoraggio & Pianificaz Forestale, Trento, Italy
[12] Nat Hazards & Landscape BFW, Fed Res & Training Ctr Forests, Vienna, Austria
[13] Iceland Forest Res, Reykjavik, Iceland
[14] Forest Protect & Forest Regulat, Natl Food Chain Safety Off Forestry Directorate, Dept Forest Inventory, Budapest, Hungary
[15] Forest Management Inst Brandys Labem, Brandys Labem, Czech Republic
[16] Swedish Univ Agr Sci, Umea, Sweden
[17] Aleksandras Stulginskis Univ, Kaunas, Lithuania
[18] Univ Copenhagen, Dept Geosci & Nat Resource Management, Copenhagen, Denmark
[19] Nat Resources Inst Finland Luke, Joensuu, Finland
[20] Dept Agr Food & Marine, Johnstown Castle, Wexford, Ireland
[21] Univ Florence, Dept Agr Food & Forest Syst Management, GESAAF, Florence, Italy
[22] Estonian Univ Life Sci, Dept Forest Management, Tartu, Estonia
[23] Univ Forestry, Fac Business Management, Mkt & Prod Management, Sofia, Bulgaria
[24] Swiss Fed Res Inst WSL, Resource Anal, Birmensdorf, Switzerland
[25] Inst Natl Informat Geog & Forestiere IGN, LIF, Nancy, France