1. Forest Research Institute of Baden-Württemberg; Wonnhaldestraße 4 Freiburg 79100 Germany
2. Albert-Ludwigs-University Freiburg, Chair of Forest Utilization; Werthmannstraße 6 Freiburg 79085 Germany
3. Helmholtz Zentrum München, Institute of Biochemical Plant Pathology; Research Unit Environmental Simulation (EUS); Ingolstädter Landstr. 1 Neuherberg 85764 Germany