Responsabilities:• Collecting biometric data for individual trees in a network of long-term experimental plots in the state of Baden-Württemberg (oldest plots established around 1870 and re-measured every 5-10 years)• Preparing samples and measuring occluded branch knots after artificial pruning of two hardwood species (Fraxinus excelsior and Acer pseudoplatanus); Key measured variables: duration until complete knot occlusion, branch diameter, branch age and branch insertion angle•… Show more Responsabilities:• Collecting biometric data for individual trees in a network of long-term experimental plots in the state of Baden-Württemberg (oldest plots established around 1870 and re-measured every 5-10 years)• Preparing samples and measuring occluded branch knots after artificial pruning of two hardwood species (Fraxinus excelsior and Acer pseudoplatanus); Key measured variables: duration until complete knot occlusion, branch diameter, branch age and branch insertion angle• Measuring tree ring widths of conifer and hardwood species (Acer pseudoplatanus, Castanea sativa, Fagus sylvatica, Fraxinus excelsior, Quercus robur and Picea abies) with the semi-automatic image analysis software WinDENDRO (Regent Instruments Canada Inc., 2009)• Training technical staff in the use of the software WinDENDRO (3 people trained)• Presenting devices and software for tree-ring measurement available at the Forest Growth Department to student groups (3 presentations in the German language) Show less

Responsabilities:• Collecting biometric data for individual trees on existing research plots in both conifer (e.g. Abies alba, Norway spruce, Larix decidua) and hardwood stands (e.g. Fagus sylvatica, Fraxinus excelsior, Juglans nigra, Quercus robur, Quercus rubra, Acer pseudoplatanus) in various development stages• Selecting trees for thinning• Mapping individual tree locations and generating tree maps using AutoCAD 2009• Pruning trees with different instruments (handsaw, pole… Show more Responsabilities:• Collecting biometric data for individual trees on existing research plots in both conifer (e.g. Abies alba, Norway spruce, Larix decidua) and hardwood stands (e.g. Fagus sylvatica, Fraxinus excelsior, Juglans nigra, Quercus robur, Quercus rubra, Acer pseudoplatanus) in various development stages• Selecting trees for thinning• Mapping individual tree locations and generating tree maps using AutoCAD 2009• Pruning trees with different instruments (handsaw, pole saw, pruning shears)• Establishing new research plots Show less