Cooperative Fish and Wildlife Research Units Program: Nevada
Education, Research and Technical Assistance for Managing Our Natural Resources

Nevada Research Activities



Project Completion Date
Integrated Monitoring Plan Development for Native and Non-Native Fishes at Ash Meadows National Wildlife Refuge, Nevada December 2026
Landscape Watershed Condition and Drought Vulnerability Assessment in the Western U.S. May 2029
Mapping Ungulate Migrations in Nevada August 2026
Habitat Suitability for Big Spring Spinedace (Lepidomeda mollispinis pratensis) in Meadow Valley Wash, Nevada May 2025
Research Publications Publication Date
Sergeant, C.J., Bellmore, J.R., Bellmore, R.A., Falke, J.A., Mueter, F.J., Westley, P.A.H. 2023. Hypoxia vulnerability in the salmon watersheds of Southeast Alaska. Science of the Total Environment. dx.doi.org/10.1016/j.scitotenv.2023.165247 October 2023
Samuel, W.T., Yancy, L.E., Hinkle, E.G., and J.A. Falke. 2024. Validating morphometrics as a non-lethal tool to determine Arctic Grayling sex. North American Journal of Fisheries Management 44:70-78. January 2024
Folt B, Marshall M, Emanuel JA, Dziadzio M, Cooke J, Mena L, Hinderliter M, Hoffmann S, Rankin N, Tupy J, McGowan C, In Review, Strengths and opportunities in gopher tortoise population modeling: Reply to Loope et al. for submission to Global Ecology and Conservation. July 2024
Fitzgerald, K.A., Bellmore, J.R., Fellman, J.B., Cheng, M.L.H., Delbecq, C.E., and J.A. Falke. Pink Salmon spawning patterns impart biennial growth disparities to juvenile Coho Salmon. September 2024
Falke, J.A., Dunham, J.B., Rosenberger, A.E., Thurow, R.F., Dolloff, A., Howell, P.J., and W.C. Saunders. 2024. Coldwater fish in wadeable streams. In Bonar, S., Pope, K., and Silva-Mercado, N. editors. Standard Methods for Sampling North American Freshwater Fishes. American Fisheries Society, Bethesda, MD, USA. August 2024
Delbecq, C., Fellman, J.B., Bellmore, R.J., Whitney, E., Hood, E., Fitzgerald, K., and J.A. Falke. Seasonal patterns in riverine carbon form and export from a temperate forested watershed in Southeast Alaska. Biogeochemistry: https://doi.org/10.1007/s10533-024-01175-7. August 2024
C Guyer, JM Goessling, B Folt. Annual and lifetime home ranges reveal movement patterns within and among local populations of gopher tortoises. Chelonian Conservation and Biology​ 23(1):81–91. https://doi.org/10.2744/CCB-1603.1 June 2024
Presentations Presentation Date
Strohm, D.D., Falke, J.A., and Sergeant, C. 2024. Hydrologic regime characterization for wildfire-impacted streams in changing boreal ecosystems. Western Division of the American Fisheries Society Annual Meeting, Honolulu, Hawai’i, 15 – 19, September 2024. September 2024
Stoner, D.C, B. Folt, K.A. Schoenecker. 2024. Can mountain lion predation suppress population growth of feral horses in the American West? International Wild Equids Conference, Nanyuki, Kenya, 8–11 April 2025. April 2025
Shaftel, R., Feddern, M., Shoen, E., Cunningham, C. von Biela, V., McAfee, S., and J. Falke. 2024. Modeled streamflow and stream temperature inform conditions affecting Chinook Salmon in Alaska. American Fisheries Society Annual Meeting, Honolulu, Hawai’i, 15 – 19, September 2024. September 2024
Schoen, E., Feddern, M., Shaftel, R., Harings, M., Reece, K., Kamermans, B., Cunningham, C., Falke, J., and A. López. 2024. Climatic, ecological, and human-driven effects on Yukon-Kuskokwim salmon fisheries. American Fisheries Society Annual Meeting, Honolulu, Hawai’i, 15 – 19, September 2024. September 2024
Schoen, E., Falke, J., Paul, J., Meyer, B., Neuswanger, J., Strohm, D., McKenna, B., Lynne, D., and Savereide, J. 2023. How Do Wildfires Affect Alaskan Chinook Salmon? Evidence from Rivers and Satellites. American Fisheries Society Annual Meeting, Grand Rapids, MI, August 20-24, 2023. August 2023
Samuel, W. T., J. A. Falke, K. D. Tape, S. K. Panda, A. C. Seitz. 2023. When beavers get burned, do fish get fried? The role of beavers in mediating wildfire effects on freshwater fish habitat in boreal Alaska. American Fisheries Society 153nd Annual Meeting, Grand Rapids, MI. August 20–24. August 2023
Rich, B., Westley, P., Sepulveda, A., Rinella, D., Falke, J., and E. Schoen. 2023. Introduced northern pike predation and consumption of juvenile salmon in a warming world. Matanuska-Susitna Salmon Habitat Partnership Symposium. 13-14 November, 2023. Palmer, AK. November 2023
Rich, B., Sepulveda, A., Falke, J., Schoen, E., Rinella, D., and P. Westley. 2024. Salmon declines coincide with climate mediated increases in consumption by a novel predator. Alaska Chapter American Fisheries Society Annual Meeting. 24-29 March 2024. Seward, AK. March 2024
K. Fitzgerald, L.H. Cheng, N. Boyles-Muehleck, R. Bellmore, J. Fellman, and J. Falke. 2023. Juvenile Coho Salmon growth patterns track biennial Pink Salmon spawning abundance fluctuations in a southeast Alaska watershed. National Meeting of the American Fisheries Society. 20-24 August, 2023,Grand Rapids, MI, USA. August 2023
Hermus, J.H., J.D. Muehlbauer, D.J. Rinella, V.R. von Biela, J.A. Falke. 2023. The effects of water temperature and heat stress on juvenile Chinook Oncorhynchus tshawytscha, and Coho Salmon Oncorhynchus kisutch growth in the Deshka River watershed. Mat-Su Salmon Science and Conservation Symposium, Palmer, Alaska, 13-14 November 2023. November 2023
Hermus, J.H., J.D. Muehlbauer, D.J. Rinella, V.R. von Biela and J.A. Falke. 2024. The effects of water temperature and heat stress on juvenile Chinook (Oncorhynchus tshawytscha), and Coho Salmon (Oncorhynchus kisutch) growth in the Deshka River watershed. Alaska Chapter American Fisheries Society Annual Meeting, Seward, Alaska, 25-29 March 2024. March 2024
Harings, M.A.B., E. Schoen, B. Kamermans, K. Reece, J. Falke, A. Matter, B. McKenna, N. Farnham, Nicole, S. T. Walter, J.A. López. (2024, September 15-19). Evaluating environmental DNA as a complementary technique for assessing Yukon River salmon. American Fisheries Society Annual Meeting, Honolulu, Hawaii, United States. September 2024
Folt, B., M.L. Crabb, K.A. Schoenecker. 2024. Management and population density influence wild horse population growth in the western United States. International Wild Equid Conference, Nanyuki, Kenya, 8–11 April 2025. April 2025
Folt, B. M.L. Crabb, and K.A. Schoenecker. 2024. Population growth of wild horse populations across the western United States. Oral presentation at The Wildlife Society Conference, Baltimore, MD, Oct 2024. October 2024
Fitzgerald, K., R. Bellmore, J. Fellman, C. Delbecq, and J. Falke. 2023. Stream hydrology and a salmon pulse subsidy shape juvenile salmonid foraging patterns in a southeast Alaska watershed. National Meeting of the American Fisheries Society. August 20 -24, 2023, Grand Rapids, MI, USA. August 2023
Falke, J.A., Dunham, J.B., Rosenberger, A.E., Thurow, R.F., Dolloff, A., Howell, P.J., and W.C. Saunders. 2024. Standardized Sampling of Coldwater Fish in Wadeable Streams in North America. World Fisheries Congress, Seattle, WA. 3-9 March, 2024. March 2024
Falke, J.A., Dunham, J.B., Rosenberger, A.E., Thurow, R.F., Dolloff, A., Howell, P.J., and W.C. Saunders. 2024. Standardized Sampling of Coldwater Fish in Wadeable Streams in North America. American Fisheries Society Annual Meeting, Honolulu, Hawai’i, 15 – 19, September 2024. September 2024
Falke, J.A. and J.D. Paul. 2023. Landscape-scale prediction of freshwater habitat potential for Chinook Salmon (Oncorhynchus tshawytscha) across the Yukon and Kuskokwim River basins, Alaska. American Fisheries Society Annual Meeting, Grand Rapids, MI. 20 – 24 August 2023. August 2023
Falke, J.A. 2024. What is the Nevada Cooperative Fish & Wildlife Research Unit? Graduate Education, Collaborative Research, and Technical Assistance for Fish and Wildlife Conservation and Management in Nevada and Beyond. California-Nevada Chapter American Fisheries Society Biennial Meeting. 9-12 April, 2024, Redding, CA. April 2024
Falke, J.A. 2023. What is the Nevada Cooperative Fish & Wildlife Research Unit? Graduate Education, Collaborative Research, and Technical Assistance for Conservation of Great Basin Fish and Wildlife. Desert Fishes Council Annual Meeting. 15-18 November, 2023, Bishop, CA. November 2023
Falke, J., Schoen, E., Paul, J., and D. Strohm. 2024. Implications of wildfire on stream thermal regimes and juvenile salmon growth in interior Alaska boreal streams. American Fisheries Society Annual Meeting, Honolulu, Hawai’i, 15 – 19, September 2024. September 2024
Type Citation Publication Date
Software Release Sergeant, C.J., 2020, All available data for Sergeant et al. 2020, A classification of streamflow patterns across the coastal Gulf of Alaska: Wiley: U.S. Geological Survey data release, https://doi.org/10.5066/P9BHITX2. May 2023
Data Release Sergeant, C. J. and Falke, J. Code to Support Hydrologic variability and a pulse subsidy shape juvenile salmonid foraging patterns in a southeast Alaska watershed. Version 1.0.0: U.S. Geological Survey software release. Reston, Va. https://doi.org/10.5066/P9TA6PK October 2023
Data Release Sergeant, C. J. and Falke, J. 2023. Data describing hypoxia vulnerability in the salmon watersheds of Southeast Alaska: U.S. Geological Survey data release, https://doi.org/10.5066/P9VAKF20. May 2021
Data Release Jalbert, C.S., Sepulveda, A.J., and Falke, J.A., 2021, Data describing vulnerability of Pacific salmon to invasion of northern pike (Esox lucius) in southcentral Alaska, 2017-2019: U.S. Geological Survey data release, https://doi.org/10.5066/P9UJAH16. June 2020
Software Release Folt, B., and McGowan, C. Using Predictions from Multiple Anthropogenic Threats to Estimate Future Population Persistence of an Imperiled Species. Version 1.1.0: U.S. Geological Survey software release. Reston, VA. https://doi.org/10.5066/P9A1NVN5 April 2022
Software Release Folt, B., Schoenecker, K.A., Ekernas, L.S., Edmunds, D.R., and Hannon, M., 2023, Scenario Analysis of Management Alternatives for Free-roaming Horse Populations (Version 1.0.0): U.S. Geological Survey software release, https://doi.org/10.5066/P9HVUA6D. January 2023
Software Release Folt, B., Ekernas, L.S., Edmunds, D., Hannon, M., and Schoenecker, K.A., 2023, <i>PopEquus</i>: A Predictive Modeling Tool to Support Management Decisions for Free-roaming Horse Populations (Version 1.0.1): U.S. Geological Survey software release, https://doi.org/10.5066/P9NMRQDG. April 2022
Data Release Fitzgerald, K.A., and Falke, J. 2024. Juvenile coho salmon growth differences track biennial pink salmon spawning patterns: U.S. Geological Survey data release, https://doi.org/10.5066/P1PWJM7G. June 2024
Software Release Fitzgerald, K.A, and Falke, J., 2023, Stream hydrology and a pulse subsidy shape patterns of fish foraging: U.S. Geological Survey data release, https://doi.org/10.5066/P9EEEDB1. November 2023
Data Release Falke, J.A., and J.D. Paul. 2024. Code to Support Chinook Salmon Freshwater Habitat Potential Modeling and Mapping for the Yukon and Kuskokwim River Basins in Alaska. 2024. Version 1.0.0: U.S. Geological Survey software release. Reston, Va. https://doi.org/10.5066/P9R6T032 November 2023
Data Release Falke, J.A. and J.D. Paul. 2024. Spatial and Tabular Datasets Supporting the "Freshwater Habitat Potential for Chinook Salmon in the Yukon and Kuskokwim River Basins, Alaska" Project. U.S. Geological Survey data release. Reston, Va. https://doi.org/10.5066/P95AV4JO June 2024
Software Release Delbecq, C.E., Falke, J.A., and Whitney, E.J. 2024, Riverine carbon form and flow data from a temperate forested watershed in Southeast Alaska (2021): U. S. Geological Survey data release, https://doi.org/10.5066/P14IKGTB. June 2024