[1] Swiss Fed Inst Technol, Dept Environm Syst Sci, Zurich, Switzerland
[2] Swiss Fed Inst Forests Snow & Landscape Res WSL, Birmensdorf, Switzerland
[3] Univ Vienna, Ctr Microbiol & Environm Syst Sci, Vienna, Austria
[4] Univ Tartu, Mycol & Microbiol Ctr, Tartu, Estonia
[5] Res Inst Nat & Forest, Environm & Climate Unit, Geraardsbergen, Belgium
[6] French Natl Forest Off, Fontainebleau, France
[7] Northwest German Forest Res Inst, Gottingen, Germany
[8] Sachsenforst State Forest, Pirna OT Graupa, Pirna, Germany
[9] Forest Res Inst, Sekocin Stary, Poland
[10] Res Inst Forest Ecol & Forestry, Trippstadt, Germany
[11] Execut Environm Agcy Minist Environm & Water, Sofia, Bulgaria
[12] Mediterranean Ctr Environm Studies, Paterna, Spain
[13] Univ Camerino, Dept Plant Divers & Ecosyst Management, Camerino, Italy
[14] Arma Carabinieri Forestry Environm & Agrifood Prot, Rome, Italy
[15] Slovenian Forestry Inst, Ljubljana, Slovenia
[16] Univ Copenhagen, Dept Geosci & Nat Resource Management, Frederiksberg, Denmark
[17] Nat Resources Inst Finland, Rovaniemi, Finland
[18] Norwegian Inst Bioecon Res, Div Forest & Forest Resources, As, Norway
[19] Norwegian Inst Bioecon Res, Div Biotechnol & Plant Hlth, As, Norway
[20] State Agcy Nat Environm & Consumer Protect North R, Recklinghausen, Germany
[21] Thuenen Inst Forest Ecosyst, D-16225 Eberswalde, Germany
[22] Ecole Polytech Fed Lausanne, Environmetnal Computat Sci & Earth Observat Lab, Lausanne, Switzerland