Nagel, D., 2005. Estimating valley confinement using DEM data to support cutthroat trout research (presentation). 2005 Resource Management Tools and Geospatial Conference, Phoenix, Arizona, April 18 – 22.
This presentation introduces the Valley Confinement Algorithm (VCA) and describes the importance of valley confinement in estimating habitat for cutthroat trout. Initial applications of the VCA to the Middle Fork Boise River Watershed in Idaho are also discussed.