Katherine A. A. Heckman, PhD

Treesearch Publications

• Daniel G. Gavin, F. Joseph Rocchio, John A. Hribljan, Katherine A. A. Heckman, Erin M. Herring, Jeremy R. Shaw, David J. Cooper. 2026. Holocene peat accumulation rate, hiatus events, and hummock development affected by climate, tephra deposition, and geomorphic setting
• Loretta G. Garrett, Katherine A. A. Heckman, Angela R. Possinger, Brian D. Strahm, Jeff A. Hatten, Fiona P. Fields, Steve A. Wakelin. 2025. Lifting the profile of deep soil carbon in New Zealand’s managed planted forests
• Andrea Jilling, A. Stuart Grandy, Amanda B. Daly, Rachel Hestrin, Angela Possinger, Rose Abramoff, Madison Annis, Anna M. Cates, Katherine Dynarski, Katerina Georgiou, Katherine A. A. Heckman, Marco Keiluweit, Ashley Lang, Richard P. Phillips, Katherine Rocci, Itamar A. Shabtai, Noah W. Sokol, Em D. Whalen. 2025. Evidence for the existence and ecological relevance of fast-cycling mineral-associated organic matter
• Holly L. Munro, Christopher W. W. Woodall, William R. L. Anderegg, Colin M. Beier, Bronson P. Bullock, Kendall DeLyser, David D. Diaz, Bianca N.I. Eskelson, Margaret E. K. Evans, Jeff W. Atkins, John D. Foppert, Bryan C. Foster, Thomas R. Fox, Jereme M. Frank, Robert E. Froese, George C. Gaines, Peter Gould, Temesgen Hailemariam, Edie Sonne Hall, Katherine A. A. Heckman, Eileen Helmer, J. Aaron Hogan, Coeli Hoover, Stephen M. Kinane, David W. MacFarlane, Lara T. Murray, Gregory Paradis, Krishna P. Poudel, Stephen P. Prisley, James L. Rakestraw, Hector Restrepo, Ajay Sharma, John D. Shaw, Erin Smith-Mateja, Curtis L. VanderSchaaf, Can Vatandaslar, Aaron R. Weiskittel, Sheng-I. Yang. 2025. Challenges and Strategic Recommendations for Enhancing Quantification and Projection of Forest Carbon Dynamics
• Sebastian Doetterl, Asmeret Asefaw Berhe, Katherine A. A. Heckman, Corey Lawrence, Jörg Schnecker, Rodrigo Vargas, Cordula Vogel, Rota Wagai. 2025. A landscape-scale view of soil organic matter dynamics
• Grady J. Boyle, Evan Kane, Lucas E. Nave, Katherine A. A. Heckman, Martin F. Jurgensen. 2024. Refinement of the carbon to loss on ignition relationship in forest soils
• Fred Worrall, Gareth D. Clay, Katherine A. A. Heckman, Jonathan Ritson, Martin Evans, Julian Small. 2024. The formation of peat—Decreasing density with depth in UK peats
• Alison Donnelly, Ankur R. Desai, Katherine A. A. Heckman, Lucas E. Nave, Michael J. Cramer, Marie Faust, Peter Weishampel, Caleb Slemmons, Christian G. Andresen, Edward Ayres, Stacy R. Cotey, Kathryn M. Docherty, Joshua Hatzis, Kathryn Hofmeister, Jalene M. LaMontagne, John D. Lenters, Noah R. Lottig, Amy M. Marcarelli, Jessica Miesel, Jason Riddle, Meghan Salmon-Tumas, Mike D. SanClements, Subash Sapkota, Mark D. Schwartz, Puja Sharma, Ojaswee Shrestha, Geoffrey Vincent, Angela Waupochick, Ting Zheng, Zhiwei Ye. 2024. Fostering effective and sustainable scientific collaboration and knowledge exchange: a workshop-based approach to establish a national ecological observatory network (NEON) domain-specific user group
• Eduardo Pérez‐Pazos, Katilyn V Beidler, Achala Narayanan, Briana H. Beatty, François Maillard, Alexandra Bancos, Katherine A. A. Heckman, Peter G. Kennedy. 2024. Fungi rather than bacteria drive early mass loss from fungal necromass regardless of particle size
• Loretta G. Garrett, Alexa K. Byers, Kathryn Wigley, Katherine A. A. Heckman, Jeff A. Hatten, Steve A. Wakelin. 2024. Lifting the Profile of Deep Forest Soil Carbon
• John A. Hribljan, Moira Hough, Erik Lilleskov, Esteban Suarez, Katherine A. A. Heckman, Ana Maria Planas-Clarke, Rodney A. Chimner. 2024. Elevation and temperature are strong predictors of long-term carbon accumulation across tropical Andean mountain peatlands
• Mackenzie D. Russell, Katherine A. A. Heckman, Lei Pan, Xinyu Ye, Ronald S. Zalesny Jr., Evan Kane. 2024. Mine waste rock as a soil amendment for enhanced weathering, ecosystem services, and bioenergy production
• Dominic M. Uhelski, Evan Kane, Katherine A. A. Heckman, Rodney A. Chimner. 2023. Fire History and Long-Term Carbon Accumulation in Hemi-boreal Peatlands
• Katherine A. A. Heckman, Angela R. Possinger, Brian D. Badgley, Maggie M. Bowman, Adrian C. Gallo, Jeff A. Hatten, Lucas E. Nave, Michael D. SanClements, Chris Swanston, Tyler L. Weiglein, William R. Wieder, Brian D. Strahm. 2023. Moisture-driven divergence in mineral-associated soil carbon persistence
• Stephan Glatzel, Fred Worrall, Ian M. Boothroyd, Katherine A. A. Heckman. 2023. Comparison of the transformation of organic matter flux through a raised bog and a blanket bog
• François Maillard, Stéphane Pflender, Katherine A. A. Heckman, Michel Chalot, Peter G. Kennedy. 2023. Fungal necromass presents a high potential for Mercury immobilization in soil
• Julia E. M. Stuart, Colin Tucker, Erik Lilleskov, Randy Kolka, Rodney A. Chimner, Katherine A. A. Heckman, Evan Kane. 2023. Evidence for older carbon loss with lowered water tables and changing plant functional groups in peatlands
• Dominic M. Uhelski, Evan Kane, Rodney A. Chimner, Katherine A. A. Heckman, Jessica Miesel, Li Xie. 2022. Pyrogenic carbon content of Sphagnum peat soils estimated using diffuse reflectance FTIR spectrometry
• A.R. Possinger, Katherine A. A. Heckman, M.M. Bowman, A.C. Gallo, J.A. Hatten, L.M. Matosziuk, L.E. Nave, M.D. SanClements, Chris Swanston, T.L. Weiglein, B.D. Strahm. 2022. Lignin and fungal abundance modify manganese effects on soil organic carbon persistence at the continental scale
• Katherine E. O. Todd-Brown, Rose Z. Abramoff, Jeffrey Beem-Miller, Hava K. Blair, Stevan Earl, Kristen J. Frederick, Daniel R. Fuka, Mario Guevara Santamaria, Jennifer W. Harden, Katherine A. A. Heckman, Lillian J. Heran, James R. Holmquist, Alison M. Hoyt, David H. Klinges, David S. LeBauer, Avni Malhotra, Shelby C. McClelland, Lucas E. Nave, Katherine S. Rocci, Sean M. Schaeffer, Shane Stoner, Natasja van Gestel, Sophie F. von Fromm, Marisa L. Younger. 2022. Reviews and syntheses: The promise of big diverse soil data, moving current practices towards future potential
• Fred Worrall, Ian M. Boothroyd, Gareth D. Clay, Catherine S. Moody, Katherine A. A. Heckman, Tim P. Burt, Rob Rose. 2022. Constraining the Carbon Budget of Peat Ecosystems: Application of Stoichiometry and Enthalpy Balances
• Tyler L. Weiglein, Brian D. Strahm, Maggie M. Bowman, Adrian C. Gallo, Jeff A. Hatten, Katherine A. A. Heckman, Lauren M. Matosziuk, Lucas E. Nave, Angela R. Possinger, Michael D. SanClements, Chris Swanston. 2022. Key predictors of soil organic matter vulnerability to mineralization differ with depth at a continental scale
• Katherine A. A. Heckman, Caitlin E. Hicks Pries, Corey R. Lawrence, Craig Rasmussen, Susan E. Crow, Alison M. Hoyt, Sophie F. Fromm, Zheng Shi, Shane Stoner, Casey McGrath, Jeffrey Beem‐Miller, Asmeret Asefaw Berhe, Joseph C. Blankinship, Marco Keiluweit, Erika Marín‐Spiotta, J. Grey Monroe, Alain F. Plante, Joshua Schimel, Carlos A. Sierra, Aaron Thompson, Rota Wagai. 2022. Beyond bulk: Density fractions explain heterogeneity in global soil carbon abundance and persistence
• Angela R. Possinger, Tyler L. Weiglein, Maggie M. Bowman, Adrian C. Gallo, Jeff A. Hatten, Katherine A. A. Heckman, Lauren M. Matosziuk, Lucas E. Nave, Michael D. SanClements, Chris Swanston, Brian D. Strahm. 2021. Climate Effects on Subsoil Carbon Loss Mediated by Soil Chemistry
• François Maillard, Christopher W. Fernandez, Sunil Mundra, Katherine A. A. Heckman, Randy Kolka, Håvard Kauserud, Peter G. Kennedy. 2021. Warming drives a 'hummockification' of microbial communities associated with decomposing mycorrhizal fungal necromass in peatlands
• L. E. Nave, M. Bowman, A. Gallo, J. A. Hatten, Katherine A. A. Heckman, L. Matosziuk, A. R. Possinger, M. SanClements, J. Sanderman, B. D. Strahm, T. L. Weiglein, Chris Swanston. 2021. Patterns and predictors of soil organic carbon storage across a continental-scale network
• Katherine A. A. Heckman, Chris Swanston, Margaret S. Torn, Paul J. Hanson, Lucas E. Nave, Rachel C. Porras, Umakant Mishra, Markus Bill. 2021. Soil organic matter is principally root derived in an Ultisol under oak forest
• Craig R. See, Chris W. Fernandez, Anna M. Conley, Lang C. DeLancey, Katherine A. A. Heckman, Peter G. Kennedy, Sarah E. Hobbie. 2021. Distinct carbon fractions drive a generalisable two‐pool model of fungal necromass decomposition
• C.E. Stewart, D.K. Manter, J.A. Delgado, S.A. Del Grosso, F. Calderon, Katherine A. A. Heckman, K. Snell. 2020. Nitrogen fertilization and long-term no tillage impacts on soil properties and deep soil C storage under irrigation
• Patricia M. Fox, Markus Bill, Katherine A. A. Heckman, Mark Conrad, Carolyn Anderson, Marco Keiluweit, Peter S. Nico. 2020. Shale as a Source of Organic Carbon in Floodplain Sediments of a Mountainous Watershed
• Lauren M. Matosziuk, Adrian Gallo, Jeff Hatten, Kevin D. Bladon, Danica Ruud, Maggie Bowman, Jessica Egan, Katherine A. A. Heckman, Michael SanClements, Brian Strahm, Tyler Weiglein. 2020. Short-Term Effects of Recent Fire on the Production and Translocation of Pyrogenic Carbon in Great Smoky Mountains National Park
• Mitzy L. Schaney, J. Steven Kite, Christopher R. Schaney, Katherine A. A. Heckman, Christopher Coughenour. 2020. Radiocarbon dating peatland development: Key steps in reconstructing past climate in the central Appalachian Mountains
• Katherine A. A. Heckman, L. E. Nave, M. Bowman, A. Gallo, J. A. Hatten, L. M. Matosziuk, A. R. Possinger, M. SanClements, B. D. Strahm, T. L. Weiglein, C. Rasmussen, Chris Swanston. 2020. Divergent controls on carbon concentration and persistence between forests and grasslands of the conterminous US
• Corey R. Lawrence, Jeffrey Beem-Miller, Alison M. Hoyt, Grey Monroe, Carlos A. Sierra, Shane Stoner, Katherine A. A. Heckman, Joseph C. Blankinship, Susan E. Crow, Gavin McNicol, Susan Trumbore, Paul A. Levine, Olga Vindušková, Katherine Todd-Brown, Craig Rasmussen, Caitlin E. Hicks Pries, Christina Schädel, Karis McFarlane, Sebastian Doetterl, Christine Hatté, Yujie He, Claire Treat, Jennifer W. Harden, Margaret S. Torn, Cristian Estop-Aragonés, Asmeret Asefaw Berhe, Marco Keiluweit, Ágatha Della Rosa Kuhnen, Erika Marin-Spiotta, Alain F. Plante, Aaron Thompson, Zheng Shi, Joshua P. Schimel, Lydia J. S. Vaughn, Sophie F. von Fromm, Rota Wagai. 2020. An open-source database for the synthesis of soil radiocarbon data: International Soil Radiocarbon Database (ISRaD) version 1.0
• Erin Berryman, Jeffrey Hatten, Deborah S. Page-Dumroese, Katherine A. A. Heckman, David V D’Amore, Jennifer Puttere, Michael SanClements, Stephanie J. Connolly, Charles H. (Hobie) Perry, Grant M. Domke. 2020. Soil carbon [Chapter 2]
• Laura M. Szymanski, Gregg R. Sanford, Katherine A. A. Heckman, Randall D. Jackson, Erika Marín-Spiotta. 2019. Conversion to bioenergy crops alters the amount and age of microbially-respired soil carbon
• Kathryn L. Hofmeister, Lucas E. Nave, Paul Drevnick, Timothy Veverica, Renee Knudstrup, Katherine A. A. Heckman, Susan J. Riha, Rebecca L. Schneider, M. Todd. Walter. 2019. Seasonal dynamics and exports of elements from a first‐order stream to a large inland lake in Michigan
• Christopher W. Fernandez, Katherine A. A. Heckman, Randy Kolka, Peter G. Kennedy. 2019. Melanin mitigates the accelerated decay of mycorrhizal necromass with peatland warming
• Katherine A. A. Heckman, Craig Rasmussen. 2018. Role of Mineralogy and Climate in the Soil Carbon Cycle
• Amanda K. Certano, Christopher W. Fernandez, Katherine A. A. Heckman, Peter G. Kennedy. 2018. The afterlife effects of fungal morphology: Contrasting decomposition rates between diffuse and rhizomorphic necromass
• Lucas Nave, Katherine A. A. Heckman, Alexandra Muñoz, Chris Swanston. 2018. Radiocarbon Suggests the Hemiparasitic Annual Melampyrum Lineare Desr. May Acquire Carbon from Stressed Hosts
• Katherine A. A. Heckman, Corey R. Lawrence, Jennifer W. Harden. 2018. A sequential selective dissolution method to quantify storage and stability of organic carbon associated with Al and Fe hydroxide phases
• Katherine A. A. Heckman, Heather Throckmorton, William Horwath, Chris Swanston, Craig Rasmussen. 2018. Variation in the Molecular Structure and Radiocarbon Abundance of Mineral-Associated Organic Matter across a Lithosequence of Forest Soils
• Craig Rasmussen, Katherine A. A. Heckman, William R. Wieder, Marco Keiluweit, Corey R. Lawrence, Asmeret Asefaw Berhe, Joseph C. Blankinship, Susan E. Crow, Jennifer L. Druhan, Caitlin E. Hicks Pries, Erika Marin-Spiotta, Alain F. Plante, Christina Schädel, Joshua P. Schimel, Carlos A. Sierra, Aaron Thompson, Rota Wagai. 2018. Beyond clay: towards an improved set of variables for predicting soil organic matter content
• Craig Rasmussen, Heather Throckmorton, Garrett Liles, Katherine A. A. Heckman, Stephen Meding, William Horwath. 2018. Controls on Soil Organic Carbon Partitioning and Stabilization in the California Sierra Nevada
• Jennifer W. Harden, Gustaf Hugelius, Anders Ahlström, Joseph C. Blankinship, Ben Bond-Lamberty, Corey R. Lawrence, Julie Loisel, Avni Malhotra, Robert B. Jackson, Stephen Ogle, Claire Phillips, Rebecca Ryals, Katherine Todd-Brown, Rodrigo Vargas, Sintana E. Vergara, M. Francesca Cotrufo, Marco Keiluweit, Katherine A. A. Heckman, Susan E. Crow, Whendee L. Silver, Marcia DeLonge, Lucas E. Nave. 2018. Networking our science to characterize the state, vulnerabilities, and management opportunities of soil organic matter
• Joseph C. Blankinship, Asmeret Asefaw Berhe, Susan E. Crow, Jennifer L. Druhan, Katherine A. A. Heckman, Marco Keiluweit, Corey R. Lawrence, Erika Marín-Spiotta, Alain F. Plante, Craig Rasmussen, Christina Schädel, Joshua P. Schimel, Carlos A. Sierra, Aaron Thompson, Rota Wagai, William R. Wieder. 2018. Improving understanding of soil organic matter dynamics by triangulating theories, measurements, and models
• Vanessa L. Bailey, Ben Bond-Lamberty, Kristen DeAngelis, A. Stuart Grandy, Christine V Hawkes, Katherine A. A. Heckman, Kate Lajtha, Richard P. Phillips, Benjamin N. Sulman, Katherine E. O. Todd-Brown, Matthew D. Wallenstein. 2017. Soil carbon cycling proxies: Understanding their critical role in predicting climate change feedbacks
• Patricia M. Fox, Peter S. Nico, Malak M. Tfaily, Katherine A. A. Heckman, James A. Davis. 2017. Characterization of natural organic matter in low-carbon sediments: Extraction and analytical approaches
• Lucas E. Nave, Paul E. Drevnick, Katherine A. A. Heckman, Kathryn L. Hofmeister, Timothy J. Veverica, Chris Swanston. 2017. Soil hydrology, physical and chemical properties and the distribution of carbon and mercury in a postglacial lake-plain wetland
• Tsutomu Ohno, Katherine A. A. Heckman, Alain F. Plante, Ivan J. Fernandez, Thomas B. Parr. 2017. ¹⁴C mean residence time and its relationship with thermal stability and molecular composition of soil organic matter: A case study of deciduous and coniferous forest types
• Rebecca A. Lybrand, Katherine A. A. Heckman, Craig Rasmussen. 2017. Soil organic carbon partitioning and Δ¹⁴C variation in desert and conifer ecosystems of southern Arizona
• Katherine A. A. Heckman, Dorisel Torres, Chris Swanston, Johannes Lehmann. 2017. Carbon and nitrogen molecular composition of soil organic matter fractions resistant to oxidation
• Joseph A. E. Stewart, David H. Wright, Katherine A. A. Heckman, Robert Guralnick. 2017. Apparent climate-mediated loss and fragmentation of core habitat of the American pika in the Northern Sierra Nevada, California, USA
• John Butnor, Lisa J. Samuelson, Kurt Johnsen, Peter Anderson, Carlos A. Gonzalez Benecke, Claudia M. Boot, M. Francesca Cotrufo, Katherine A. A. Heckman, Jason Jackson, Thomas A. Stokes, Stanley J. Zarnoch. 2017. Vertical distribution and persistence of soil organic carbon in fire-adapted longleaf pine forests
• John A. Hribljan, Esteban Suarez, Katherine A. A. Heckman, Erik Lilleskov, Rodney A. Chimner. 2016. Peatland carbon stocks and accumulation rates in the Ecuadorian páramo
• Katherine A. A. Heckman, Heather Throckmorton, Christopher Clingensmith, Francisco Javier González Vila, William R. Horwath, Heike Knicker, Craig Rasmussen. 2014. Factors affecting the molecular structure and mean residence time of occluded organics in a lithosequence of soils under ponderosa pine
• Connie I. Millar, Katherine A. A. Heckman, Chris Swanston, Karena Schmidt, Bob Westfall, Diane L. Delany. 2014. Radiocarbon dating of American pika fecal pellets provides insights into population extirpations and climate refugia
• Katherine A. A. Heckman, A.S. Grandy, X. Gao, M. Keiluweit, K. Wickings, K. Carpenter, J. Chorover, C. Rasmussen. 2013. Sorptive fractionation of organic matter and formation of organo-hydroxy-aluminum complexes during litter biodegradation in the presence of gibbsite
• Katherine A. A. Heckman, John L. Campbell, Heath Powers, Beverly E. Law, Chris Swanston. 2013. The influence of fire on the radiocarbon signature and character of soil organic matter in the Siskiyou national forest, Oregon, USA

Citations of Non-Forest Service Publications

• Heckman K, Welty-Bernard A, Vazquez-Ortega A, Schwartz E, Chorover J, Rasmussen C (2013) The influence of goethite and gibbsite on soluble nutrient dynamics and microbial community composition. Biogeochemistry, 112(1): 179-195.Heckman K, Vazquez-Ortega A, Gao X, Chorover J, Rasmussen C (2011) Changes in water extractable organic matter during incubation of forest floor material in the presence of quartz, goethite and gibbsite surfaces. Geochimica et Cosmochimica Acta, 75: 4295–4309.Heckman K, Rasmussen C (2011) Lithologic controls on regolith weathering and mass flux in forested ecosystems of the southwestern USA. Geoderma, 164: 99-111.Heckman K, Welty-Bernard A, Rasmussen C, Schwartz E (2009) Geologic controls of soil carbon cycling and microbial dynamics in temperate conifer forests. Chemical Geology 267: 12-23.Heckman K, Anderson WB, Wait DA (2006) Distribution and activity of hypolithic soil crusts in a hyperarid desert (Baja California, Mexico). Biology and Fertility of Soils 43: 263-266.

• Program
  

  Climate and Carbon Cycle Sciences

  https://research.fs.usda.gov/nrs/programs/climate
  Station

  Northern Research Station

Multimedia

• Webinars

  Soil Carbon is Root Carbon, but Moisture is Key

  https://research.fs.usda.gov/nrs/products/multimedia/webinars/soil-carbon-root-carbon-moisture-key

• University of Arizona, Water & Environmental Science, Ph.D., Soil, Water & Environmental Science, 2010
• Drury University, B.A., Biology & Environmental Science, 2004