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Nathaniel (Than) Hitt, PhD

Dr. Nathaniel (Than) P. Hitt is a Research Fish Biologist at the USGS Eastern Ecological Science Center in Kearneysville, West Virginia

He holds a B.A. in Biology from the College of Wooster, an M.S. in Organismal Biology and Ecology from the University of Montana, and a Ph.D. in Fisheries and Wildlife Sciences from Virginia Tech. Dr. Hitt’s research investigates freshwater fish ecology and community ecotoxicology from a landscape perspective, focusing on stream ecosystems in the Appalachian highlands.  His research includes:

  • Modeling fish habitat and population/community responses to environmental change
  • Forecasting effects of climate change for fish habitat in headwater streams
  • Effects of stream flow and temperature on fish population dynamics



  • 2007 PhD, Virginia Polytechnic Institute and State University, Blacksburg, VA, Department of Fisheries and Wildlife Sciences                                                                            
  • 2002 MS, University of Montana, Missoula, MT, Division of Biological Sciences, Organismal Biology and Ecology 
  • 1996 BA, The College of Wooster, Wooster, OH  Biology, Honors


Professional experience 

  • 2009-present: Research Fish Biologist, US Geological Survey, Eastern Ecological Science Center 
  • 2018-present: Adjunct Associate Professor, Natural Resource Ecology & Management, Oklahoma State University 
  • 2015-present: Adjunct Associate Professor, Department of Ecosystem Science and Management, Pennsylvania State University 
  • 2008-2009: Postdoctoral Researcher, US Geological Survey, Leetown Science Center 
  • 2007-2008: Postdoctoral Researcher, Virginia Tech, Department of Fisheries and Wildlife Sciences 
  • 2002-2007: Graduate Research Assistant, Virginia Tech, Department of Fisheries and Wildlife Sciences 
  • 1999-2002: Graduate Research Assistant, University of Montana, Division of Biological Sciences 



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