Travis Longcore, Ph.D.

Assistant Professor of Architecture, Spatial Sciences and Biological Sciences, University of Southern California
Associate Editor, PLoS ONE
Associate Editor, Urban Ecosystems



Dr. Travis Longcore is an Assistant Professor of ArchitectureSpatial Sciences, and Biological Sciences at the University of Southern California. He is a core faculty member in the Landscape Architecture graduate program and the undergraduate major in GeoDesign, a Faculty Affiliate of the Wrigley Institute for Environmental Studies and serves as Science Director of The Urban Wildlands Group, a Los Angeles-based conservation nonprofit.

Dr. Longcore’s research is focused on nature in cities and makes use of diverse statistical tools, fieldwork, and geographic information systems.  His landmark article “Ecological Light Pollution” (Longcore and Rich 2004) and 2006 co-edited book Ecological Consequences of Artificial Night Lighting (Island Press) have come to define a new and rapidly growing research area in ecology.  His service to the profession includes serving as Associate Editor of PLoS ONE and Urban Ecosystems.

Dr. Longcore is an accomplished environmental policy consultant, having provided extensive expert commentary and analysis in dozens of environmental cases for local, regional, and national organizations on issues as diverse as “towerkill” of migratory birds at communications towers, the proposed delisting of the Yellowstone population of grizzly bears, the ecological impacts of pesticides on birds, and numerous residential, recreational, and commercial development projects.

Before joining USC, Dr. Longcore co-developed science-based habitat restoration program and native plant nursery for coastal dune habitats and transferred operation to nonprofit training at-risk youth and young adults; directed the growth of a yearlong senior practicum problems course for a B.S. program in environmental science with competitive selection of student group projects for off-campus clients ranging from Fortune 500 companies to local nonprofits; and managed a successful captive breeding program for endangered California butterflies, which he continues to oversee.

Research Profiles

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At the Bowtie parcel along the Los Angeles River. Photo by Bear Guerra.