Clint Muhlfeld's Publications

Selected publications

Muhlfeld, Clint C., Ryan P. Kovach, Leslie A. Jones, Robert Al-Chokhachy, Matthew C. Boyer, Robb F. Leary, Winsor H. Lowe, Gordon Luikart, and Fred W. Allendorf. 2014. Invasive hybridization in a threatened species is accelerated by climate change. Nature Climate Change. 4:620-624. doi:10.1038/nclimate2252.

Robert Al-Chokhachy, Clint C. Muhlfeld, Matthew C. Boyer, Leslie A. Jones, Amber Steed & Jeffrey L. Kershner. 2014. Quantifying the effectiveness of conservation measures to control the spread of anthropogenic hybridization in stream salmonids: a climate adaptation case study. North American Journal of Fisheries Management DOI: 10.1080/02755947.2014.901259

Landguth, Erin L., Clint C. Muhlfeld, Robin S. Waples, Leslie Jones, Winsor H. Lowe, Diane Whited, John Lucotch, Helen Neville, and Gordon Luikart. 2014. Combining demographic and genetic factors to assess population vulnerability in stream species. Ecological Applications. 24:1505–1524. doi: 10.1890.13-0499.1

Jones, Leslie A., Clint C. Muhlfeld, Lucy A. Marshall, Brian L. McGlynn, and Jeffrey L. Kershner. 2014. Estimating thermal regimes of bull trout and assessing the potential impacts of climate warming on critical habitats. River Research and Applications 30:204-216.

Beechie, Tim, George Pess, Sarah Morley, Lucy Butler, Peter Downs, Alistair Maltby, Peter Skidmore, Steve Clayton, Clint Muhlfeld, and Karrie Hanson. Watershed assessments and identification of restoration needs. Chapter 3 in Stream and Watershed Restoration, A guide to restoring riverine processes and habitats. P. Roni and T. Beechie, Editors. John Wiley & Sons.

Treanor, Hilary B, J. Joseph Giersch, Kevin M. Kappenman, Clint C. Muhlfeld, and Molly A. H. Webb. 2013. Thermal tolerance of meltwater stonefly Lednia tumana nymphs from an alpine stream in Waterton–Glacier International Peace Park, Montana, USA. Freshwater Science, 2013, 32(2):597–605.

Hohenlohe, P. A., Day, M. D., Amish, S. J., Miller, M. R., Kamps-Hughes, N., Boyer, M. C., Muhlfeld, C. C., Allendorf, F. W., Johnson, E. A. and Luikart, G. 2013. Genomic patterns of introgression in rainbow and westslope cutthroat trout illuminated by overlapping paired-end RAD sequencing. Molecular Ecology 22:3002-3013. DOI: 10.1111/mec.12239

D'Angelo, Vincent S. and Clint C. Muhlfeld. 2013. Factors Influencing the Distribution of Native Bull Trout and Westslope Cutthroat Trout in Streams of Western Glacier National Park, Montana. Northwest Science 87:1-11. DOI:10.3955/046.087.0101

Isaak, D., C. Muhlfeld, A. Todd, R. Al-Chokhachy, J. Roberts, J. Kershner, K. Fausch, S. Hostetler. 2012. The Past as a Prelude to the Future for Understanding 21st Century Climate Effects on Rocky Mountain Trout. Fisheries. 37:542-556.

Muhlfeld, Clint C., Simon R. Thorrold, Thomas E. McMahon, Brian Marotz. 2012. Estimating westslope cutthroat trout (Oncorhynchus clarkii lewisi) movements in a river network using strontium isoscapes. Canadian Journal of Fisheries and Aquatic Sciences. 69(5): 906-915, 10.1139/f2012-033.

Sepulveda, Adam, Andrew Ray, Robert Al-Chokhachy, Clint Muhlfeld, Robert Gresswell, Jackson Gross and Jeff Kershner. 2012. Aquatic Invasive Species: Lessons from Cancer Research. American Scientist 100:234-242.

Muhlfeld, Clint C., Leslie Jones, Daniel Kotter, William J. Miller, Doran Geise, Joel Tohtz, and Brian Marotz. 2012. Assessing the impacts of river regulation on native bull trout (Salvelinus confluentus) and westslope cutthroat trout (Oncorhynchus clarkii lewisi) habitats in the upper Flathead River, Montana, USA. River Research and Applications. 28: 940–959. DOI: 10.1002/rra.1494

Muhlfeld, Clint C., et al. 2012. A Fine-scale Assessment of Using Barriers to Conserve Native Stream Salmonids: A Case Study in Akokala Creek, Glacier National Park, USA. The Open Fish Science Journal. (5) 9-20.

Muhlfeld, Clint C., B. Marotz, and J. Joseph Giersch. 2012. Seasonal movements of introduced lake trout within a connected lake and river system. Fisheries Management and Ecology. (19)224–232. DOI: 10.1111/j1365-2400-2011-00821

Landguth, E. L., C. C. Muhlfeld and G. Luikart. 2012. CDFISH: an individual-based, spatiallyexplicit, landscape genetics simulator for aquatic species in complex riverscapes. Conservation Genetics Resources 4:133-136. DOI: 10.1007/s12686-011-9492-6

Amish, S. J., Hohenlohe, P. A., Painter, S., Leary, R. F., Muhlfeld, C., Allendorf, F. W. And Luikart, G. 2012. RAD sequencing yields a high success rate for westslope cutthroat and rainbow trout species-diagnostic SNP assays. Molecular Ecology Resources, 12: 653–660. doi: 10.1111/j.1755-0998.2012.03157.x

Drinan, D. P., Kalinowski, S. T., Vu, N. V., Shepard, B. B., Muhlfeld, C. C., and Campbell, M. R. 2011. Genetic variation in westslope cutthroat trout Oncorhynchus clarkii lewisi: implications for conservation. Conservation Genetics 12:1513-1523. DOI 10.1007/s10592-011-0249-2

Muhlfeld, Clint C, J. Joseph Giersch, F. Richard Hauer, Gregory T. Pederson, Gordon Luikart, Douglas P. Peterson, Christopher C. Downs, and Daniel B. Fagre. 2011. Climate change links fate of glaciers and an endemic alpine invertebrate. Climatic Change. 106:337-345 DOI 10.1007/s10584-011-0057-1

Schweiger, E. William, Isabel W. Ashton, Clint C. Muhlfeld, Leslie A. Jones, and Loren L. Bahls. 2011. The distribution and abundance of a nuisance native alga, Didymosphenia geminata, in streams of Glacier National Park: climate drivers and management implications. Park Science. 28(2):88-91.

Haak, A.L., Williams, J.E., Isaak, D., Todd, A., Muhlfeld, C., Kershner, J.L., Gresswell, R., Hostetler, S., and Neville, H.M., 2010, The potential influence of changing climate on the persistence of salmonids of the inland west: U.S. Geological Survey Open-File Report 2010–1236, 74 p.

Hauer, F. Richard, and Clint C. Muhlfeld. 2010. Compelling science saves a river valley. Science Magazine 327:1576 (Letters).

Kalinowksi, Steven T., Clint C. Muhlfeld, Christopher S. Guy, and Benjamin Cox. 2010. Founding population size of an aquatic invasive species. Conservation Genetics. 11:2049-2053. DOI: 10.1007/s10592-009-0041-8.

Pederson, G.T., L.J. Graumlich, D.B. Fagre, T. Kipfer and C.C. Muhlfeld. 2010. A century of climate and ecosystem change in Western Montana: what do temperature trends portend?. Climatic Change 98:133-154.

Muhlfeld, Clint C., Steven T. Kalinowski, Thomas E. McMahon, Mark L. Taper, Sally Painter, Robb F. Leary, and Fred W. Allendorf. 2009. Hybridization rapidly reduces reproductive success of a native trout in the wild. Biology Letters. 5:328-331.DOI: 10.1007/s10592-009-0041-8.

Muhlfeld, Clint C., Thomas E. McMahon, and Durae Belcer. 2009. Spatial and temporal dynamics of spawning between native westslope cutthroat trout (Oncorhynchus clarkii lewisi), introduced rainbow trout (O. mykiss), and their hybrids. Canadian Journal of Fisheries and Aquatic Sciences 66:1153-1168.

Muhlfeld, Clint C., Thomas E. McMahon, Matthew C. Boyer, and Robert E. Gresswell. 2009. Local-habitat, watershed, and biotic factors in the spread of hybridization between native westslope cutthroat trout and introduced rainbow trout. Transactions of the American Fisheries Society 138:1036-1051.

Boyer, Matthew C., Clint C. Muhlfeld, and Fred Allendorf. 2008. Rainbow trout invasion and the spread of hybridization with westslope cutthroat trout. Canadian Journal of Fisheries and Aquatic Sciences 65:658-669.

Muhlfeld, Clint C., David H. Bennett, Kirk Steinhorst, Brian Marotz, and Matthew C. Boyer. 2008. Using bioenergetics modeling to estimate consumption of native juvenile salmonids by nonnative northern pike in the upper Flathead River system, Montana. North American Journal of Fisheries Management 28:636-648.

Muhlfeld, Clint C., Mark L. Taper, David F. Staples, and Bradley B. Shepard. 2006. Observer error structure in bull trout redd counts in Montana streams: implications for inference on true redd numbers. Transactions of the American Fisheries Society 135:643-654.

Muhlfeld, Clint C., Brian Marotz, and Simon Thorrold. 2005. Geochemical signatures in scales record stream of origin in westslope cutthroat trout. Transactions of the American Fisheries Society 134:945-959.

Muhlfeld, Clint C., and Brian Marotz. 2005. Seasonal movement and habitat use by sub-adult bull trout in the upper Flathead River system, Montana. North American Journal of Fisheries Management 25:797-810.

Hitt, Nathaniel, Clint C. Muhlfeld, Chris Frissell, and Fred Allendorf. 2003. Hybridization between native westslope cutthroat trout and non-native rainbow trout. Canadian Journal of Fisheries and Aquatic Sciences 60:1440-1451.

Muhlfeld, Clint C., Steve Glutting, Rick Hunt, Durae Daniels, and Brian Marotz. 2003. Winter diel habitat use and movement by subadult bull trout in the upper Flathead River, Montana. North American Journal of Fisheries Management 23:163-171.

Knudsen, Kathy L., Clint C. Muhlfeld, George C. Sage, Robb F. Leary. 2002. Genetic structure of Columbia River redband trout populations in the Kootenai River drainage, Montana, revealed by microsatellite and allozyme loci. Transactions of the American Fisheries Society 131:1093–1105.

Muhlfeld, Clint C. 2002. Spawning characteristics of redband trout in a headwater stream in Montana. North American Journal of Fisheries Management 22:1314–1320.

Muhlfeld, Clint C., David H. Bennett, and Brian Marotz. 2001. Summer habitat use by Columbia River redband trout in the Kootenai River drainage, Montana. North American Journal of Fisheries Management 21:223–235.

Muhlfeld, Clint C., David H.Bennett, and Brian Marotz. 2001. Fall and winter habitat use and movement by Columbia River redband trout in a small stream in Montana. North American Journal of Fisheries Management 21:170–177.

USFWS. 2008. Bull Trout Recovery: Monitoring and Evaluation Guidance. Report prepared for the U.S. Fish and Wildlife Service by the Bull Trout Recovery and Monitoring Technical Group (RMEG). Portland, Oregon. 74 pp.



Author or co-author of over 50 technical presentations at scientific meetings, symposia, workshops, and seminars since 1998; list available upon request by contacting Clint Muhlfeld.

Selected Professional Services:

Affiliate Research Professor, University of Montana & Montana State University

President, Montana Chapter of the American Fisheries Society (2003-2006; Executive
Committee: consecutive terms for president-elect, president, and past-president)

Technical Advisor, Montana Invasive Species Council

Chair, Resident Fish Committee (2003-2005; consecutive terms for vice-chair and chair)

Committee Member, Bull Trout Regional Monitoring and Evaluation Group (2005- present)

Committee Member, FWP Fisheries Monitoring Committee (2006- present)

Committee Member, Transboundary Flathead Working Group- Crown of the Continent Governor’s Task Force (2005- present)

Chair, Species of Special Concern Committee, Montana Chapter of the American Fisheries Society (1999-2003)