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Environmental Institute of Houston > People > Guillen, George

George J. Guillen

Dr. George Guillen serves as the executive director of the Environmental Institute of Houston and an associate professor of biology and environmental science at the University of Houston-Clear Lake. Guillen obtained his Ph.D. in Environmental Science from the University of Texas School of Public Health in 1996, his M.S. in Wildlife and Fisheries Sciences, and his B.S. in Marine Biology from Texas A&M University. He is native Houstonian and has lived here most of his life.

Previously, Dr. Guillen served as the Chief of the Fisheries and Contaminants Program at the U.S. Fish and Wildlife Service office in Arcata, California from 2000-2004. From 1998-2000 he worked at the Minerals Management Service, in New Orleans, Louisiana as the Toxicology and Risk Assessment Unit Chief. Prior to this he worked for 10 years with the TCEQ predecessor agencies (TNRCC and TWC) as District Manager and Program Manager. He also served as a Biologist with the Texas Parks and Wildlife Department for over four years.

During his tenure as a state and federal employee he managed various research and monitoring projects focusing on the effects of pollutants and instream flows on aquatic and marine organisms. Dr. Guillen also has previous teaching experience with UHCL (1993-1998), UH Central Campus (1998), and Texas A&M University at Galveston (1991-1994), having served as adjunct faculty at these campuses. Dr. Guillen’s research interests include evaluation of the impacts of pollutants, altered hydrology, and habitat modification on fish and wildlife populations, with a focus on estuarine systems.

Research Interests
  • Marine, Estuarine & Aquatic Ecology
  • Effect of Habitat Modification & Pollution on Aquatic & Estuarine Systems
  • Ichthyology & Fisheries Science
Research

2005.  Evaluation of larval fish growth and conditions in various watersehds of Galveston Bay.  UHCL Faculty Research Development Grant.

2004-05. Assessment of Water Quality in Galveston Bay watersheds. Clean Rivers Monitoring Program. Houston Galveston Area Council.

2004-05.  Evaluation of the Distribution of Exotic Fish Species in first and second order tidal streams of the Galveston Bay watershed. UHCL  Faculty Research Development Grant.

2003. Characterization of the in-river habitat utilization by Spring Chinook using radiotelemetry and underwater observations. Trinity River Restoration Program funded study.

Selected publications

American Fisheries Society. (Co-authored by Pollution Committee members) 1992. Investigation and valuation of fish kills. American Fisheries Society Special Publication 24. Bethesda, MD.

Crocker, P.A., G.J. Guillen, R.D. Seiler, E. Petrocelli, M. Redmond, W. Lane, T.A. Hollister, D.W. Neleigh, and G. Morrison. 1991. Water quality, ambient toxicity and biological investigations in the Houston Ship Channel and tidal San Jacinto River. Environmental Protection Agency. Dallas Texas.

Guillen, G.J. and A.M. Landry, Jr. 1979. Species composition and abundance of ichthyoplankton at beachfront and saltmarsh environments. Proceedings of the Annual Conference of the Southeastern Association of Game and Fish Agencies. 34:388-403.

Guillen, G.J. 1983. Comparative utilization of shallow-water habitats at Galveston, Texas by immature marine fish. Master's Thesis. Texas A&M University, College Station, Texas, USA.

Guillen, G.J. and D. Palafox. 1985. The effects of weathered crude oil from the M/T Alvenus spill on eggs and yolk-sac larvae of red drum (Sciaenops ocellatus). Gulf Research Reports. 8:15-20.

Guillen, G.J., C. Albrecht, R. Kiesling, and R. Seiler. 1988. Sources and quantities of point and nonpoint pollutants for Galveston Bay. Proceedings of 22nd Annual Water for Texas Conference. Texas Water Resource Institute.

Guillen, G.J. 1991. Texas Water Commission Water Quality Monitoring Program in the Galveston Bay system. In: Proceedings of the Galveston Bay Characterization Workshop. GBNEP-6.


Dr. George Guillen 
Executive Director, Environmental Institute of Houston, UHCL
Associate Professor of Biology and Environmental Science, UHCL
Contact information

Environmental Institute of Houston
University of Houston-Clear Lake
Houston, Texas 77058
Office: N116

Phone: (281) 283-3950
FAX: (281) 283-3953

E-mail: guillen@uhcl.edu

Faculty Web site
Related links
Past President's Message
Dr. George Guillen addresses the Texas Chapter of the American Fisheries Society 
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