Dedication. Contributing Authors. Preface. Part I: Setting the Scene. 1. Geographic Overview of Panama: Pathway to the Continents and Link Between The Seas; E. J. Palka. 2. An Introduction to the Panama Canal Watershed; R. S. Harmon. 3. Light and Shadows in the Management of the Panama Canal Watershed; S. Heckadon-Moreno. 4. The Geological Development of Panama; R. S. Harmon. Part II: The Upper Rió Chagres Basin. 5. Igneous Geology and Geochemistry of the Upper Rió Chagres Basin; G. Worner R. S. Harmon, G. Hartmann, and K. Simon.6. GIS-based and Stream Network Analysis for the Upper Río Chagres Basin, Panama; D. A. Kinner et al. 7. Soils of the Upper Rió Chagres Basin, Panama: Soil Character and Variability in Two First Order Drainages; J. Bruce, J. Harrison and J. M. H. Hendrickx. 8. Hydrology of Hillslope Soils in the Upper Río Chagre Watershed, Panama;. J. M. H. Hendrickx et al. 9. Infiltration in the Upper Río Chagres Basin, Panama: The Soil Conservation Service 'Curve Numbers'; L. Calvo-Gobbeti, F. L. Ogden, and J. M. H. Hendrickx. 10. Runoff Production in the Upper Rió Chagres Watershed, Panama; J. Niedzialek and F. L. Ogden. 11. Downstream Hydraulic Geometry Along a Tropical Mountain River; E. Wohl. 12. Bedrock Channel Incision Along the Upper Río Chagres Basin, Panama; E. Wohl and G. Springer. 13. Using TRMM to Explore Rainfall Variability in the Upper Rió Chagres Catchment, Panama; R. G. Knox, F. L. Ogden and T. Dinku. 14. Tree Species Composition and Beta Diversity in the Upper RíoChagres Basin, Panama; R. Perez et al. 15. A Note on the Amphibians and Reptiles in the Upper Río Chagres Basin, Panama; R. Ibànez D. Part III: The Regional Perspective. 16. High Spatial and Spectral Resolution Remote Sensing of Panama Canal Zone Watershed Forests: An Applied Example Mapping Tropical Tree Species; S. Bohlman and D. Lashlee. 17. Biogeographic History and the High Beta-Diversity of Rainforest Trees in Panama; C. W. Dick, R. Condit, and E. Bermingham. 18. World Holdings of Avian Tissues from Panama, with Notes on a Collection from the Upper Río Chagres in 2002; S. Rohwer and R. C. Faucett. 19. Estimation of Landslide Importance in Hillslope Erosion in thePanama Canal Watershed; R. F. Stallard and D. A. Kinner. 20. Long Term Sediment Generation Rates for the Upper Rió Chagres Basin: Evidence from Cosmogenic 10Be; K. Nichols et al. 21. Estimation of Regional Actual Evapotranspiration in the Panama Canal Watershed; J. M. H. Hendrickx et al. 22. Operational Rainfall and Flow Forecasting for the Panama Canal Watershed; K. Georgakakos and J. Sperfslage. 23. Projected Land-Use Change for the Eastern Panama Canal Watershed and its Potential Impact; V. H. Dale, S. Brown, M. O. Calderon, A. S. Montoya, and R. E. Marti­nez. Index.