Tree App Dr. Kathrin Streit, Dr. Martina Hobi Seilaplan Dr. Leo Bont Harvesting productivity models HeProMo Dr. Janine Schweier, Dr. Stefan Holm Young forest maintenance (JuWaPfl) Dr. Janine Schweier, Dr. Stefan Holm WSL-kNN: estimation harvesting expense Dr. Stefan Holm SorSim Assortment Model Dr. Stefan Holm Other Decision Support Systems Decision Support Systems