Topics Related to General Modeling Issues -- Concepts Within Tree Growth Modeling -- End User Needs and Requirements -- Standardizing and Categorizing Tree Growth Models -- The Silvicultural Decision Support System BWINPro -- The Tree Growth Model MOSES 3.0 -- Description of PrognAus for Windows 2.2 -- The Individual-Tree-Based Stand Simulator SILVA -- STAND: A Decision Support System for the Management of Even-Aged Stands in Finland -- Modeling Forest Regeneration -- Harvesting Rules and Modules for Predicting Commercial Timber Assortments -- Applications of Tree Growth Modelling in Decision Support for Sustainable Forest Management -- Evaluating Individual Tree Growth Models -- Demonstraiting the Problem Solving Potential of Tree Growth Models -- Modeling Regeneration in Even and Uneven-Aged Mixed Species Forests -- Evaluating Management Regimes and Their Impact on Commercial Timber Supply Using an Individual-Tree Growth Model and Scenario Analysis -- A Decision Support System for Multi-Criteria Forest Estate Planning, Integrating a Forest Growth Simulator, Fuzzy-Inference Techniques and a Heuristic Optimisation Approach -- The Use of Tree Models for Silvicultural Decision Making -- The Use of Multi-Criteria Decision Analysis and Multi-Objective Optimisation in Forest Planning -- Modeling Cork Oak Production in Portugal -- Implementing Tree Growth Models in Slovakia -- Conversion of Norway Spruce: A Case Study in Denmark Based on Silvicultural Scenario Modelling -- Modelling the Growth of Quercus frainetto in Greece.