PROJECTS

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• Iridium-based remote monitoring interface for PIT and radiotelemetry fisheries studies

• Underwater infrared camera system that monitors the spawning behavior of triploid and diploid Walleye for graduate research project at Utah State University

• Prototype radio nodal network for tracking radio-collared swift foxes in eastern Montana for Montana Fish, Wildlife & Parks

• Prototype remote underwater camera system that monitors lake trout spawning in Yellowstone Lake for the National Park Service and Montana State University

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PUBLICATIONS

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• Ritter, T. D. 2015. Connectivity in a montane river basin: salmonid use of a major tributary in the Smith River system. Master's Thesis. Montana State University, Bozeman, Montana.

• Ritter, T. D., A. V. Zale, G. Grisak, and M. Lance. 2020. Groundwater upwelling regulates thermal hydrodynamics and salmonid movements during high-temperature events at a montane tributary confluence. Transactions of the American Fisheries Society 149(5): 600-619. doi: 10.1002/tafs.10259

• Ritter, T. D., J. Mullen, B. J. Tornabene, and G. G. Grisak. 2021. Life histories of salmonids in the upper Missouri River basin. Final report for Northwestern Energy FERC Project 2188. Montana Fish, Wildlife, & Parks, Great Falls, Montana.

• Lance, Michael J., T. David Ritter, Alexander V. Zale, Grant G. Grisak, Jason A. Mullen, 
  Stephen J. Walsh, Kurt C. Heim, and Robert Al‐Chokhachy. 2024. Spatial and temporal 
  variability of movements among sympatric salmonids in an unfragmented inland watershed. Transactions of the American Fisheries Society 153, no. 5 (2024): 611-629.

• Braaten, P. J., T. David Ritter, T. M. Haddix, D. B. Fuller, J. R. Hunziker, and J. G. Hargrave. 
  2025. Water Temperature Regimes and Thermal Drivers in Semi-Natural and Flow-
  Regulated Rivers of the Northern Great Plains. River Research and Applications 1–19. 
  https://doi.org/10.1002/rra.70040