I History Theory and Challenges. - 1 Characterizing Watershed and Landscape Management. - 2 Challenges of Management and Modeling. - 3 Perspectives in Ecological Modeling and Simulation. - 4 Perspectives in Hydrologic Modeling and Simulation. - II Choosing Models and Modeling Environments. - 5 Questions Addressed with Single-Discipline Simulation Models. - 6 Questions Addressed with Multidiscipline Simulation Models. - 7 Creating New Models. - 8 Coordinating Large-Scale Interdisciplinary Watershed Modeling. - 9 Analyzing Alternatives. - 10 Who Develops and Runs the Models?. - 11 Error and Uncertainty Analysis 107. - 12 Model Evaluation Guidelines. - III An Integrated Watershed Modeling and Simulation Future. - 13 Approaches to Future Model Integration. - 14 Design Philosophies. - 15 Watershed Manager's View. - 16 Modeler's View. - 17 Programmer's View. - Conclusions. - References. Language: English