521 Devall Drive
Phone: 334-826-8700 x133
Contact John Willis
- Longleaf pine restoration on xeric sites
- Accelerating late-successional forest structure in the Pacific Northwest
- Retaining forest flammability in upland hardwood stands
- Mixed-stand dynamics in the southeastern United States
- Gap dynamics in northern hardwoods
- Restoring degraded ecosystems
- Understanding contemporary stand dynamics
- Developing silvicultural strategies for maintaining species diversity
- Michigan State University, Ph.D. Forestry and Evolutionary Ecology and Behavior Biology Forest Ecology and Silviculture 2014
- Colorado State University, M.S. Forest Science Silviculture 2009
- Colorado State University, B.S Forestry Fire Science 2007
Awards & Recognition
- Manierre Award, 2019
Award for research conducted with the Huron Mountain Wildlife Foundation
- Silviculture Prize for Best Publication (co-author), 2018
Institute of Chartered Foresters
- Willis, John L.; Walters, Michael B.; Farinosi, Evan J. 2021. Can coppicing planted saplings improve the growing position of mid-tolerant northern hardwood tree species in harvest gaps.
- Schnake, David K.; Roberts, Scott D.; Willis, John L.; Kushla, John D.; Munn, Ian A. 2021. Overstory retention and stock type impact survival and growth of underplanted shortleaf pine beneath a hardwood canopy.
- Willis, John L.; Sharma, Ajay ; Kush, John S. 2021. Seasonality of biennial burning has no adverse effects on mature longleaf pine survival or productivity.
- Willis, John L.; Schnake, David K.; DePerno, Christopher S.; Lashley, Marcus A.; Wetzstein, Branson ; Yow, Justin . 2021. Tree encroachment impacts on seed predator selection and seedling establishment in degraded pine woodlands.
- Willis, John L.; Harrington, Constance A.; Brodie, Leslie C.; Roberts, Scott D. 2021. Variable-density thinning promotes differential recruitment and development of shade tolerant conifer species after 17 years.
- Gordon, Jason ; Measells, Marc ; Willis, John ; Self, Brady . 2020. Comparing social media and postal mailings in forestry extension program marketing.
- Babl, Emily ; Alexander, Heather D.; Siegert, Courtney M.; Willis, John L. 2020. Could canopy, bark, and leaf litter traits of encroaching non-oak species influence future flammability of upland oak forests.
- Walters, Michael B.; Farinosi, Evan J.; Willis, John L. 2020. Deer browsing and shrub competition set sapling recruitment height and interact with light to shape recruitment niches for temperate forest tree species.
- Henry, Jacob ; Willis, John L.; Schnake, David K.; Roberts, Scott D.; Alexander, Heather D.; Renninger, Heidi . 2020. Early impacts of midstory hardwoods and overstory density on longleaf pine seedling establishment on xeric sites.
- Gordon, Jason ; Measells, Marc ; Willis, John ; Self, Brady . 2020. Experiences from a forestry extension long-term impact evaluation.
- Clabo, David ; Gordon, Jason ; Brodbeck, Arnold ; Willis, John ; Tanger, Shaun ; Self, Andrew . 2020. Managing mixed stands for southern forest landowners: three family stories for decision-making assistance.
- Self, Andrew B.; Willis, John L.; Ezell, Andrew W. 2020. Oak regeneration success in operational shelterwood cuts: year two results.
- Regmi, Arun ; Grebner, Donald L.; Grala, Robert K.; Willis, John L. 2020. Preliminary evaluation of price premium required for growing higher quality loblolly and slash pines on extended rotation ages.
- Gordon, Jason S.; Willis, John L.; Grala, Robert K. 2020. Public and forest landowner attitudes towards longleaf pine ecosystem restoration using prescribed fire.
- Willis, John L.; Gordon, Jason S. ; Tanger, Shaun; Blazier, Michael A.; Self, Andrew B. ; Brodbeck, Arnold. 2019. Managing mixed stands: reassessing a forgotten stand type in the southeastern United States.
- Babl, Emily K.; Alexander, Heather D.; Siegert, Courtney M.; Willis, John L.; Berry, Andrew I. 2019. Species-specific mechanisms contributing to the mesophication of upland oak stands in the absence of fire.
Citations of non US Forest Service Publications
-Willis, J.L., Schnake, D.K., Wetzstein, B., Yow, J., Guinto, D., Ulrich, S., DePerno, C.S., Lashley, M.A. (2019). Seed depredation negates the benefits of midstory hardwood removal on longleaf pine seedling establishment. Restoration Ecology. 0, 1-9
-Willis, J.L., Walters, M.B. (2018). Nutrition and mycorrhizae affect interspecific patterns of seedling growth on coarse wood and mineral soil substrates. Ecosphere. 9, 1-17
-Webster, C.R., Dickinson, Y.L. Burton, J.I, Frelich, L.E., Jenkins, M.A., Kern, C.C., Raymond, P., Saunders, M.R., Walters, M.B., Willis, J.L. (2018). Promoting and maintaining diversity in contemporary hardwood forests: confronting contemporary drivers of change and the loss of ecological memory. Forest Ecology and Management. 421, 98-108
-Willis, J.L., Roberts, S.D., Harrington, C.A. (2018). Variable density thinning promotes variable structural responses 14 years after treatment in the Pacific Northwest. Forest Ecology and Management. 410, 114-125
-Kern, C.C., Burton, J.I., Raymond, P., D’Amato, A.W., Keeton, W.S., Royo, A.A., Walters, M.B., Willis, J.L. (2017). Challenges facing gap-based silviculture and possible solutions for mesic northern forests in North America. Forestry. 89, 1-14
-Walters, M.B., Farinosi, E., Willis, J.L. (2016). Managing for diversity: harvest gap size drives complex light, vegetation, and deer herbivory impacts on tree seedlings. Ecosphere. 7, 1-29
-Willis, J.L, Walters, M.B. (2016). Local seed source availability limits young seedling populations for some species more than other factors in northern hardwood forests. Forest Science. 62, 440-448
-Willis, J.L., Walters, M.B., Gottschalk, K.W. (2015). Scarification and harvest gap size have interacting effects on young seedling establishment. Forest Ecology and Management. 347, 237-246
-Walters, M.B., Willis, J. L, Gottschalk, K.W. (2014). Can light and nitrate vs. ammonium growth responses among mixed hardwood-conifer forest species be predicted by their ecologies and help explain community scale tree diversity? Canadian Journal of Forest Research. 44, 1356-1368