Modeling Complex Interactions of Overlapping River and Road Networks in a Changing Landscape El Yunque National Forest, Mameyes Watershed

River Road Networks Flows of energy through river and road networks, as well as food webs, have some fundamental similarities A hierarchy of physical processes is altered by distinct thresholds of human access and use of rivers Different locations within the spatial hierarchy of a drainage network alter access and intensities of land use as well as species diversity Aquatic food webs respond to selective harvest of species and cumulative additions of non- native species

Project Model

Physical models Social models Biological models Integrated models Integrated, individual based modeling framework

Study Watersheds Rio Espiritu Santo Rio Mameyes Rio Fajardo

River-Road Intersections

Study Sites in the Rio Espiritu Santo and Rio Mameyes watersheds

Education Resources GIS data and Field data  State of the Watershed Handbook  Interacting Networks in the Rain Forest of Puerto Rico, University of Pennsylvania  / / GIS Demonstration Projects 