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Melissa Pingree

My research efforts focus on evaluating the function and potential of biochar amendments in boreal forest soils as a tool to mitigate the effects of climate change.


Group Leader - Forest Ecosystem Ecology (BI1333) Winter 2019/2020


Terrestrial focus on forest ecology
Pyrogenic carbon quantification and functional characterization
Interactions between pyrogenic carbon and soil ecology


Board Member on the Swedish University of Agricultural Sciences (SLU) Postdoc Association.

Board Member on the Association for Fire Ecology Diversity and Inclusivity Committee, Member of AFE since 2008

Postdoctoral Fellow, Soil Heating Project, Leda Kobziar, University of Idaho

North American Forest Soils Conference Organizing Committee, Member of Soil Science Society of America since 2013

Circle Leader at Umeå Folkuniversitet, October 2019


Ph.D., 2017, University of Washington, School of Environmental and Forest Sciences

M.Sc., 2011, Western Washington University, Huxley College of the Environment, Environmental Sciences

B.Sc., 2006, The University of Montana, College of Forestry, Resource Conservation, Terrestrial Science emphasis

Selected publications

DeLuca, Thomas H., Melissa R.A. Pingree, Si Gao. 2019. Chapter 13: Assessing Soil Biological Health. In Busse, M., Page-Dumroese, D, Giardina, C., Morris, D. (Eds.), Global Change and Forest Soils: Cultivating Stewardship of a Finite Natural Resource. Elsevier Science.

Kobziar, L. N., M. R. A. Pingree, H. Larson, T. J. Dreaden, S. Green, and J. A. Smith. 2018. Pyroaerobiology: the aerosolization and transport of viable microbial life by wildland fire. Ecosphere 9:e02507.

Pingree, Melissa R. A., and Leda N. Kobziar. 2019. The myth of the biological threshold: A review of biological responses to soil heating associated with wildland fire. Forest Ecology and Management 432:1022–1029.

Pingree, Melissa R.A. and T.H. DeLuca. 2018. The influence of fire history on soil nutrients and vegetation cover in mixed-severity fire regime forests of the eastern Olympic Peninsula, Washington, USA. Forest Ecology and Management 422:95–107.

Pingree, Melissa R.A. and T.H. DeLuca. 2017. Function of Wildfire-Deposited Pyrogenic Carbon in Terrestrial Ecosystems. Frontiers in Environmental Science 5:53.

Pingree, Melissa R.A., M. Kobayashi, and T.H. DeLuca. 2017. Interactive effects of charcoal and earthworm activity increase bioavailable phosphorus in sub-boreal forest soils of northern Japan. Biology and Fertility of Soils 53:873-884.

Pingree, Melissa R.A., E.E. DeLuca, D.T. Schwartz, and T.H. DeLuca. 2016. Adsorption capacity of wildfire-produced charcoal from Pacific Northwest forests. Geoderma 283: 68-77.

DeLuca, T.H., H.C. Glanville, M. Harris, B.A. Emmett, M.R.A. Pingree, L.L. de Sosa, C. Morená, and D.L. Jones. 2015. A novel biologically based approach to evaluating soil phosphorus availability across complex landscapes. Soil Biology & Biochemistry, 88:110-119.

Pingree, Melissa R.A, P.S. Homann, B. Morrissette, and R. Darbyshire. 2012. Long and short-term effects of fire on soil charcoal of a conifer forest in southwest Oregon. Forests, 3: 353-369.