Emily K. Heyerdahl, PhD
Former Employee
Research Forester
Treesearch Publications
- Rachel A. Loehman, Emily K. Heyerdahl, Gregory T. Pederson, David McWethy. 2022. Climate and landscape controls on old-growth western juniper demography in the northern Great Basin, USA
- Grant L. Harley, Emily K. Heyerdahl, James D. Johnston, Diana L. Olson. 2020. Riparian and adjacent upland forests burned synchronously during dry years in eastern Oregon (1650-1900 CE), USA
- Penelope Morgan, Emily K. Heyerdahl, Eva K. Strand, Stephen C. Bunting, James P. Riser, John T. Abatzoglou, Max Nielsen-Pincus, Mara Johnson. 2020. Fire and land cover change in the Palouse Prairie-forest ecotone, Washington and Idaho, USA
- Emily K. Heyerdahl, Rachel A. Loehman, Donald A. Falk. 2019. A multi-century history of fire regimes along a transect of mixed-conifer forests in central Oregon, U.S.A
- Emily K. Heyerdahl, Thomas Spies, Rachel A. Loehman, Andrew G. Merschel. 2018. Influence of landscape structure, topography, and forest type on spatial variation in historical fire regimes, Central Oregon, USA
- Grant L. Harley, Christopher H. Baisan, Peter M. Brown, Donald A. Falk, William T. Flatley, Henri D. Grissino-Mayer, Amy Hessl, Emily K. Heyerdahl, Margot W. Kaye, Charles W. Lafon, Ellis Q. Margolis, R. Stockton Maxwell, Adam T. Naito, William J. Platt, Monica T. Rother, Thomas Saladyga, Rosemary L. Sherriff, Lauren A. Stachowiak, Michael C. Stambaugh, Elaine K. Sutherland, Alan H. Taylor. 2018. Advancing dendrochronological studies of fire in the United States
- Lori D. Daniels, Larissa L. Yocom Kent, Rosemary L. Sherriff, Emily K. Heyerdahl. 2017. Deciphering the complexity of historical fire regimes: Diversity among forests of western North America [Chapter 8]
- Emily K. Heyerdahl, Steven J. McKay. 2017. Condition of live fire-scarred ponderosa pine twenty-one years after removing partial cross-sections
- Sharon M. Hood, Anna Sala, Emily K. Heyerdahl, Marion Boutin. 2015. Low-severity fire increases tree defense against bark beetle attacks
- Aquila Flower, Daniel G. Gavin, Emily K. Heyerdahl, Russell A. Parsons, Greg M. Cohn. 2014. Western spruce budworm outbreaks did not increase fire risk over the last three centuries: A dendrochronological analysis of inter-disturbance synergism
- Andrew G. Merschel, Thomas Spies, Emily K. Heyerdahl. 2014. Mixed-conifer forests of central Oregon: Effects of logging and fire exclusion vary with environment
- Penelope Morgan, Emily K. Heyerdahl, Carol L. Miller, Aaron Wilson, Carly E. Gibson. 2014. Northern Rockies pyrogeography: An example of fire atlas utility
- A. Flower, D. G. Gavin, Emily K. Heyerdahl, Russell A. Parsons, G. M. Cohn. 2014. Drought-triggered western spruce budworm outbreaks in the Interior Pacific Northwest: A multi-century dendrochronological record
- Emily K. Heyerdahl, Rachel A. Loehman, Donald A. Falk. 2014. Mixed-severity fire in lodgepole-dominated forests: Are historical regimes sustainable on Oregon's Pumice Plateau, USA?
- Gregory M. Cohn, Russell A. Parsons, Emily K. Heyerdahl, Daniel G. Gavin, Aquila Flower. 2014. Simulated western spruce budworm defoliation reduces torching and crowning potential: A sensitivity analysis using a physics-based fire model
- Megan S. Matonis, Charlie H. Luce, Zack Holden, Penny Morgan, Emily K. Heyerdahl. 2013. Our forests in the [water] balance
- Emily K. Heyerdahl, Ken Lertzman, Carmen M. Wong. 2012. Mixed-severity fire regimes in dry forests of southern interior British Columbia, Canada
- Greg Dillon, Zachery A. Holden, Penelope Morgan, Michael A. Crimmins, Emily K. Heyerdahl, Charlie H. Luce. 2011. Both topography and climate affected forest and woodland burn severity in two regions of the western US, 1984 to 2006
- Emily K. Heyerdahl, Peter M. Brown, Stanley G. Kitchen, Marc H. Weber. 2011. Multicentury fire and forest histories at 19 sites in Utah and eastern Nevada
- Donald A. Falk, Emily K. Heyerdahl, Peter M. Brown, Calvin Farris, Peter Z. Fule, Donald McKenzie, Thomas W. Swetnam, Alan H. Taylor, Megan L. Van Horne. 2011. Multi-scale controls of historical forest-fire regimes: new insights from fire-scar networks
- Brooke A. Cassell, Ernesto Alvarado, Emily K. Heyerdahl, Diego Perez-Salicrup, Enrique Jardel-Pelaez. 2010. Climate change and fire regimes in the Sierra de Manantlan, Mexico
- Donald A. Falk, Emily K. Heyerdahl, P. M. Brown, T. W. Swetnam, Elaine K. Sutherland, Z. Gedalof, L. Yocom, T. J. Brown. 2010. Fire and climate variation in western North America from fire-scar and tree-ring networks
- Richard F. Miller, Emily K. Heyerdahl. 2008. Fine-scale variation of historical fire regimes in sagebrush-steppe and juniper woodland: An example from California, USA
- Penelope Morgan, Emily K. Heyerdahl, Carly E. Gibson. 2008. Multi-season climate synchronized forest fires throughout the 20th century, Northern Rockies, USA
- Emily K. Heyerdahl, Steven J. McKay. 2008. Condition of live fire-scarred ponderosa pine eleven years after removing partial cross-sections
- Emily K. Heyerdahl, Penelope Morgan, James P. Riser. 2008. Crossdated fire histories (1650-1900) from ponderosa pine-dominated forests of Idaho and western Montana
- Emily K. Heyerdahl, Penelope Morgan, James P. Riser. 2008. Multi-season climate synchronized historical fires in dry forests (1650-1900), Northern Rockies, USA
- Peter M. Brown, Emily K. Heyerdahl, Stanley G. Kitchen, Marc Weber. 2008. Climate effects on historical fires (1630-1900) in Utah
- Emily K. Heyerdahl, Donald McKenzie, Lori D. Daniels, Amy E. Hessl, Jeremy S. Littell, Nathan J. Mantua. 2008. Climate drivers of regionally synchronous fires in the inland northwest (1651-1900)
- Thomas Kitzberger, Peter M. Brown, Emily K. Heyerdahl, Thomas W. Swetnam, Thomas T. Veblen. 2007. Contingent Pacific-Atlantic Ocean influence on multicentury wildfire synchrony over western North America
- Emily K. Heyerdahl, Ken Lertzman, Stephen Karpuk. 2007. Local-scale controls of a low-severity fire regime (1750-1950), southern British Columbia, Canada
- Russell A. Parsons, Emily K. Heyerdahl, Robert E. Keane, Brigitte Dorner, Joseph Fall. 2007. Assessing accuracy of point fire intervals across landscapes with simulation modelling
- Emily K. Heyerdahl, Penelope Morgan, Lauren B. Shapiro-Miller. 2007. Comparison of fire scars, fire atlases, and satellite data in the northwestern United States
- Don V. Gayton, Marc Weber, Mick Harrington, Emily K. Heyerdahl, Elaine K. Sutherland, Bob Brett, Cindy Hall, Micahel Hartman, Liesl Peterson, Carolynne Merrel. 2006. Fire history of a western Montana ponderosa pine grassland: A pilot study
- Emily K. Heyerdahl, Richard F. Miller, Russell A. Parsons. 2006. History of fire and Douglas-fir establishment in a savanna and sagebrush-grassland mosaic, southwestern Montana, USA
- Emily K. Heyerdahl, Ernesto Alvarado. 2003. Influence of climate and land use on historical surface fires in pine-oak forests, Sierra Madre Occidental, Mexico
- Emily K. Heyerdahl, Steven J. McKay. 2001. Condition of live fire-scarred ponderosa pine trees six years after removing partial cross sections
- Oregon State University, Corvallis, OR, B.S., Geology, 1985
- University of Washington, M.S., Atmospheric Sciences, 1991
- University of Washington, Ph.D., Forestry, 1997
Last updated March 10, 2026