Molecular shifts in dissolved organic matter along a burn severity continuum for common land cover types in the Pacific Northwest, USA

Roebuck, J. Alan; Grieger, Samantha; Barnes, Morgan E.; Gillespie, Xia; Bladon, Kevin D.; Bailey, John D.; Graham, Emily B.; Chu, Rosalie K.; Kew, William R.; Scheibe, Timothy D.; Myers-Pigg, Allison N.

doi:10.1016/j.scitotenv.2024.178040

Title: Molecular shifts in dissolved organic matter along a burn severity continuum for common land cover types in the Pacific Northwest, USA

Journal Article · 14 December 2024 · Science of the Total Environment

DOI: https://doi.org/10.1016/j.scitotenv.2024.178040 · OSTI ID:2497778

^[1]; Grieger, Samantha ^[1]; Barnes, Morgan E. ^[1]; Gillespie, Xia ^[1]; Bladon, Kevin D. ^[2]; Bailey, John D. ^[2];

^[3]; Chu, Rosalie K. ^[4];

^[4];

^[5];

^[6]

Pacific Northwest National Laboratory (PNNL), Sequim, WA (United States)
Oregon State Univ., Corvallis, OR (United States)
Pacific Northwest National Laboratory (PNNL), Sequim, WA (United States); Washington State Univ., Pullman, WA (United States)
Pacific Northwest National Laboratory (PNNL), Richland, WA (United States). Environmental Molecular Sciences Laboratory (EMSL)
Pacific Northwest National Laboratory (PNNL), Richland, WA (United States)
Pacific Northwest National Laboratory (PNNL), Sequim, WA (United States); Univ. of Toledo, OH (United States)

Increasing wildfire severity is of growing concern in the western United States, with consequences for the production, composition, and mobilization of dissolved organic matter (DOM) from terrestrial to aquatic systems. Our current understanding of wildfire impacted DOM (often termed pyrogenic DOM) composition is largely built from temperature-based studies that can be difficult to extrapolate to field conditions, which are often defined by ‘burn severity’, or the post-wildfire impact observed at a site. Thus, burn severity can encapsulate a broader range of fire and environmental conditions not exclusive to temperature. Biogeochemical studies that describe DOM along burn severity continuums remain limited but are needed to better link DOM composition with field conditions post-fire. Here, in this study, we addressed this need with an experimental open air burn simulation that generated chars from vegetation representative of major land cover types in the western United States. The chars were leached to simulate DOM mobilization potential. The DOM composition was characterized by ultra-high resolution mass spectrometry (HR-MS) and UV/VIS absorbance and fluorescence. Our results indicated that the shifts of DOM production and composition along a burn-severity gradient depends on the land cover type that was burned, with the degree of change dependent on the composition of the starting parent vegetation material. Fluorescence signatures indicated a strong convergence across land cover types to more aromatic DOM with increasing severity, while HR-MS indicated an increase in the production of aromatic nitrogen containing DOM with increasing severity. Results from this study enhance our ability to describe DOM composition in a framework that can be more directly related with field and remote-sensing based metrics.

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Research Organization:: Pacific Northwest National Laboratory (PNNL), Richland, WA (United States)

Sponsoring Organization:: USDOE Office of Science (SC), Biological and Environmental Research (BER). Earth & Environmental Systems Science (EESS)

Grant/Contract Number:: AC05-76RL01830

OSTI ID:: 2497778

Report Number(s):: PNNL-SA--202284

Journal Information:: Science of the Total Environment, Journal Name: Science of the Total Environment Vol. 958; ISSN 0048-9697

Publisher:: ElsevierCopyright Statement

Country of Publication:: United States

Language:: English

References (82)

Cycling of black carbon in the ocean: Cycling of Black Carbon in the Ocean Coppola, Alysha I.; Druffel, Ellen R. M. Geophysical Research Letters, Vol. 43, Issue 9 https://doi.org/10.1002/2016GL068574	journal	May 2016
Impact of simulated wildfire on disinfection byproduct formation potential Wilkerson, Paul J.; Rosario‐Ortiz, Fernando L. AWWA Water Science, Vol. 3, Issue 1 https://doi.org/10.1002/aws2.1217	journal	January 2021
Contemporary patterns of fire extent and severity in forests of the Pacific Northwest, USA (1985-2010) Reilly, Matthew J.; Dunn, Christopher J.; Meigs, Garrett W. Ecosphere, Vol. 8, Issue 3 https://doi.org/10.1002/ecs2.1695	journal	March 2017
Modelling the effect of soil burn severity on soil erosion at hillslope scale in the first year following wildfire in NW Spain Fernández, Cristina; Vega, José A. Earth Surface Processes and Landforms, Vol. 41, Issue 7 https://doi.org/10.1002/esp.3876	journal	December 2015
Optical properties of dissolved organic matter (DOM): Effects of biological and photolytic degradation: DOM optical properties following degradation Hansen, Angela M.; Kraus, Tamara E. C.; Pellerin, Brian A. Limnology and Oceanography, Vol. 61, Issue 3 https://doi.org/10.1002/lno.10270	journal	March 2016
Dissolved black carbon in aquatic ecosystems: Dissolved black carbon review Wagner, Sasha; Jaffé, Rudolf; Stubbins, Aron Limnology and Oceanography Letters, Vol. 3, Issue 3 https://doi.org/10.1002/lol2.10076	journal	April 2018
From mass to structure: an aromaticity index for high-resolution mass data of natural organic matter Koch, B. P.; Dittmar, T. Rapid Communications in Mass Spectrometry, Vol. 20, Issue 5 https://doi.org/10.1002/rcm.2386	journal	February 2006
From mass to structure: an aromaticity index for high-resolution mass data of natural organic matter Koch, B. P.; Dittmar, T. Rapid Communications in Mass Spectrometry, Vol. 30, Issue 1 https://doi.org/10.1002/rcm.7433	journal	December 2015
Forest ecosystems, disturbance, and climatic change in Washington State, USA Littell, Jeremy S.; Oneil, Elaine E.; McKenzie, Donald Climatic Change, Vol. 102, Issue 1-2 https://doi.org/10.1007/s10584-010-9858-x	journal	May 2010
Proportion of forest area burned at high-severity increases with increasing forest cover and connectivity in western US watersheds Francis, Emily J.; Pourmohammadi, Pariya; Steel, Zachary L. Landscape Ecology, Vol. 38, Issue 10 https://doi.org/10.1007/s10980-023-01710-1	journal	July 2023
Testing the ability of visual indicators of soil burn severity to reflect changes in soil chemical and microbial properties in pine forests and shrubland Vega, José A.; Fontúrbel, Teresa; Merino, Agustín Plant and Soil, Vol. 369, Issue 1-2 https://doi.org/10.1007/s11104-012-1532-9	journal	December 2012
21 Tesla Fourier Transform Ion Cyclotron Resonance Mass Spectrometer Greatly Expands Mass Spectrometry Toolbox Shaw, Jared B.; Lin, Tzu-Yung; Leach, Franklin E. Journal of The American Society for Mass Spectrometry, Vol. 27, Issue 12 https://doi.org/10.1007/s13361-016-1507-9	journal	October 2016
Respiratory burst after freezing and thawing of soil: Experiments with soil bacteria Skogland, T.; Lomeland, S.; Goksøyr, J. Soil Biology and Biochemistry, Vol. 20, Issue 6 https://doi.org/10.1016/0038-0717(88)90092-2	journal	January 1988
Characterization of marine and terrestrial DOM in seawater using excitation-emission matrix spectroscopy Coble, Paula G. Marine Chemistry, Vol. 51, Issue 4 https://doi.org/10.1016/0304-4203(95)00062-3	journal	January 1996
Tracing dissolved organic matter in aquatic environments using a new approach to fluorescence spectroscopy Stedmon, Colin A.; Markager, Stiig; Bro, Rasmus Marine Chemistry, Vol. 82, Issue 3-4 https://doi.org/10.1016/S0304-4203(03)00072-0	journal	August 2003
Impacts of prescribed fire on soil loss and soil quality: An assessment based on an experimentally-burned catchment in central Portugal Shakesby, Richard A.; Bento, Célia P. M.; Ferreira, Carla S. S. CATENA, Vol. 128 https://doi.org/10.1016/j.catena.2013.03.012	journal	May 2015
Photodegradation of pyrogenic dissolved organic matter increases bioavailability: Novel insight into bioalteration, microbial community succession, and C and N dynamics Chen, Yalan; Sun, Ke; Sun, Haoran Chemical Geology, Vol. 605 https://doi.org/10.1016/j.chemgeo.2022.120964	journal	September 2022
Wildland fire ash: Production, composition and eco-hydro-geomorphic effects Bodí, Merche B.; Martin, Deborah A.; Balfour, Victoria N. Earth-Science Reviews, Vol. 130 https://doi.org/10.1016/j.earscirev.2013.12.007	journal	March 2014
Degradation of natural organic matter: A thermodynamic analysis LaRowe, Douglas E.; Van Cappellen, Philippe Geochimica et Cosmochimica Acta, Vol. 75, Issue 8 https://doi.org/10.1016/j.gca.2011.01.020	journal	April 2011
Nitrogen speciation and transformations in fire-derived organic matter Torres-Rojas, Dorisel; Hestrin, Rachel; Solomon, Dawit Geochimica et Cosmochimica Acta, Vol. 276 https://doi.org/10.1016/j.gca.2020.02.034	journal	May 2020
Organic carbon and nutrient release from a range of laboratory-produced biochars and biochar–soil mixtures Mukherjee, Atanu; Zimmerman, Andrew R. Geoderma, Vol. 193-194 https://doi.org/10.1016/j.geoderma.2012.10.002	journal	February 2013
Dissolved organic matter characterization of biochars produced from different feedstock materials Rajapaksha, Anushka Upamali; Ok, Yong Sik; El-Naggar, Ali Journal of Environmental Management, Vol. 233 https://doi.org/10.1016/j.jenvman.2018.12.069	journal	March 2019
Predicting potential release of dissolved organic matter from biochars derived from agricultural residues using fluorescence and ultraviolet absorbance Li, Ming; Zhang, Afeng; Wu, Haiming Journal of Hazardous Materials, Vol. 334 https://doi.org/10.1016/j.jhazmat.2017.03.064	journal	July 2017
Occurrence of dissolved black carbon in source water and disinfection byproducts formation during chlorination Chen, Haoran; Wang, Junjie; Zhao, Xiating Journal of Hazardous Materials, Vol. 435 https://doi.org/10.1016/j.jhazmat.2022.129054	journal	August 2022
Modeling wildfire effects on streamflow in the Cascade Mountains, Oregon, USA Wampler, K. A.; Bladon, K. D.; Faramarzi, M. Journal of Hydrology, Vol. 621 https://doi.org/10.1016/j.jhydrol.2023.129585	journal	June 2023
New directions in black carbon organic geochemistry Masiello, C. A. Marine Chemistry, Vol. 92, Issue 1-4 https://doi.org/10.1016/j.marchem.2004.06.043	journal	December 2004
Molecular-level changes of dissolved organic matter along the Amazon River-to-ocean continuum Seidel, Michael; Yager, Patricia L.; Ward, Nicholas D. Marine Chemistry, Vol. 177 https://doi.org/10.1016/j.marchem.2015.06.019	journal	December 2015
Thermal alteration of organic matter during a shrubland fire: A field study Alexis, M. A.; Rumpel, C.; Knicker, H. Organic Geochemistry, Vol. 41, Issue 7 https://doi.org/10.1016/j.orggeochem.2010.03.003	journal	July 2010
“Black nitrogen” – an important fraction in determining the recalcitrance of charcoal Knicker, Heike Organic Geochemistry, Vol. 41, Issue 9 https://doi.org/10.1016/j.orggeochem.2010.04.007	journal	September 2010
Characterization and biodegradation of water-soluble biomarkers and organic carbon extracted from low temperature chars Norwood, Matt J.; Louchouarn, Patrick; Kuo, Li-Jung Organic Geochemistry, Vol. 56 https://doi.org/10.1016/j.orggeochem.2012.12.008	journal	March 2013
Molecular characterization of dissolved black nitrogen via electrospray ionization Fourier transform ion cyclotron resonance mass spectrometry Wagner, Sasha; Dittmar, Thorsten; Jaffé, Rudolf Organic Geochemistry, Vol. 79 https://doi.org/10.1016/j.orggeochem.2014.12.002	journal	February 2015
Molecular heterogeneity in pyrogenic dissolved organic matter from a thermal series of oak and grass chars Wozniak, Andrew S.; Goranov, Aleksandar I.; Mitra, Siddhartha Organic Geochemistry, Vol. 148 https://doi.org/10.1016/j.orggeochem.2020.104065	journal	October 2020
Photolability of pyrogenic dissolved organic matter from a thermal series of laboratory-prepared chars Bostick, Kyle W.; Zimmerman, Andrew R.; Goranov, Aleksandar I. Science of The Total Environment, Vol. 724 https://doi.org/10.1016/j.scitotenv.2020.138198	journal	July 2020
Assess the formation of disinfection by-products from pyrogenic dissolved organic matter (pyDOM): impact of wildfire on the water quality of forest watershed Li, Zhao; Samonte, Pamela Rose V.; Cao, Han Science of The Total Environment, Vol. 898 https://doi.org/10.1016/j.scitotenv.2023.165496	journal	November 2023
Short term soil priming effects and the mineralisation of biochar following its incorporation to soils of different pH Luo, Y.; Durenkamp, M.; De Nobili, M. Soil Biology and Biochemistry, Vol. 43, Issue 11 https://doi.org/10.1016/j.soilbio.2011.07.020	journal	November 2011
Bioavailability of N released from N-rich pyrogenic organic matter: An incubation study de la Rosa, José M.; Knicker, Heike Soil Biology and Biochemistry, Vol. 43, Issue 12 https://doi.org/10.1016/j.soilbio.2011.08.008	journal	December 2011
Drought, megafires and flood - climate extreme impacts on catchment-scale river water quality on Australia's east coast Johnston, Scott G.; Maher, Damien T. Water Research, Vol. 218 https://doi.org/10.1016/j.watres.2022.118510	journal	June 2022
Influences of wildfire on the soil dissolved organic matter characteristics and its electron-donating capacity Zhu, Sihua; Yang, Peijie; Yin, Yongguang Water Research, Vol. 266 https://doi.org/10.1016/j.watres.2024.122382	journal	November 2024
Enhanced Speciation of Pyrogenic Organic Matter from Wildfires Enabled by 21 T FT-ICR Mass Spectrometry Roth, Holly K.; Borch, Thomas; Young, Robert B. Analytical Chemistry, Vol. 94, Issue 6 https://doi.org/10.1021/acs.analchem.1c05018	journal	February 2022
Formularity: Software for Automated Formula Assignment of Natural and Other Organic Matter from Ultrahigh-Resolution Mass Spectra Tolić, Nikola; Liu, Yina; Liyu, Andrey Analytical Chemistry, Vol. 89, Issue 23 https://doi.org/10.1021/acs.analchem.7b03318	journal	November 2017
Experimental Open Air Burning of Vegetation Enhances Organic Matter Chemical Heterogeneity Compared to Laboratory Burns Myers-Pigg, Allison N.; Grieger, Samantha; Roebuck, J. Alan Environmental Science & Technology, Vol. 58, Issue 22 https://doi.org/10.1021/acs.est.3c10826	journal	May 2024
Wildfire Impacts on Molecular Changes of Dissolved Organic Matter during Its Passage through Soil Cao, Xinghong; Li, Sheng-Ao; Huang, Hai Environmental Science & Technology, Vol. 58, Issue 26 https://doi.org/10.1021/acs.est.3c11056	journal	June 2024
Temporal Variations in Fire Impacts on Characteristics and Composition of Soil-Derived Dissolved Organic Matter at Qipan Mountain, China Yin, Gege; Guan, Ping; Wang, Ying-Hui Environmental Science & Technology, Vol. 58, Issue 31 https://doi.org/10.1021/acs.est.4c00446	journal	July 2024
Linking the Molecular Signature of Heteroatomic Dissolved Organic Matter to Watershed Characteristics in World Rivers Wagner, Sasha; Riedel, Thomas; Niggemann, Jutta Environmental Science & Technology, Vol. 49, Issue 23 https://doi.org/10.1021/acs.est.5b00525	journal	July 2015
Molecular and Spectroscopic Characterization of Water Extractable Organic Matter from Thermally Altered Soils Reveal Insight into Disinfection Byproduct Precursors Cawley, Kaelin M.; Hohner, Amanda K.; Podgorski, David C. Environmental Science & Technology, Vol. 51, Issue 2 https://doi.org/10.1021/acs.est.6b05126	journal	December 2016
Contribution of Quinones and Ketones/Aldehydes to the Optical Properties of Humic Substances (HS) and Chromophoric Dissolved Organic Matter (CDOM) Del Vecchio, Rossana; Schendorf, Tara Marie; Blough, Neil V. Environmental Science & Technology, Vol. 51, Issue 23 https://doi.org/10.1021/acs.est.7b04172	journal	November 2017
Land Use Controls on the Spatial Variability of Dissolved Black Carbon in a Subtropical Watershed Roebuck, J. Alan; Seidel, Michael; Dittmar, Thorsten Environmental Science & Technology, Vol. 52, Issue 15 https://doi.org/10.1021/acs.est.8b00190	journal	June 2018
Wildfire-Derived Pyrogenic Carbon Modulates Riverine Organic Matter and Biofilm Enzyme Activities in an In Situ Flume Experiment Thuile Bistarelli, Lukas; Poyntner, Caroline; Santín, Cristina ACS ES&T Water, Vol. 1, Issue 7 https://doi.org/10.1021/acsestwater.1c00185	journal	June 2021
Fluorescence and Absorbance Indices for Dissolved Organic Matter from Wildfire Ash and Burned Watersheds Fischer, Sarah J.; Fegel, Timothy S.; Wilkerson, Paul J. ACS ES&T Water, Vol. 3, Issue 8 https://doi.org/10.1021/acsestwater.3c00017	journal	July 2023
Fluorescence Inner-Filtering Correction for Determining the Humification Index of Dissolved Organic Matter Ohno, Tsutomu Environmental Science & Technology, Vol. 36, Issue 4 https://doi.org/10.1021/es0155276	journal	February 2002
Toward a “Molecular Thermometer” to Estimate the Charring Temperature of Wildland Charcoals Derived from Different Biomass Sources Schneider, Maximilian P. W.; Pyle, Lacey A.; Clark, Kenneth L. Environmental Science & Technology, Vol. 47, Issue 20 https://doi.org/10.1021/es401430f	journal	October 2013
Wildfire and the Future of Water Supply Bladon, Kevin D.; Emelko, Monica B.; Silins, Uldis Environmental Science & Technology, Vol. 48, Issue 16 https://doi.org/10.1021/es500130g	journal	July 2014
Hydrological Controls on the Seasonal Variability of Dissolved and Particulate Black Carbon in the Altamaha River, GA Roebuck, J. Alan; Medeiros, Patricia M.; Letourneau, Maria L. Journal of Geophysical Research: Biogeosciences, Vol. 123, Issue 9 https://doi.org/10.1029/2018JG004406	journal	September 2018
Spatiotemporal Controls on the Delivery of Dissolved Organic Matter to Streams Following a Wildfire Roebuck, Jesse Alan; Bladon, Kevin D.; Donahue, David Geophysical Research Letters, Vol. 49, Issue 16 https://doi.org/10.1029/2022GL099535	journal	August 2022
Continuous flux of dissolved black carbon from a vanished tropical forest biome Dittmar, Thorsten; de Rezende, Carlos Eduardo; Manecki, Marcus Nature Geoscience, Vol. 5, Issue 9 https://doi.org/10.1038/ngeo1541	journal	August 2012
The black carbon cycle and its role in the Earth system Coppola, Alysha I.; Wagner, Sasha; Lennartz, Sinikka T. Nature Reviews Earth & Environment, Vol. 3, Issue 8 https://doi.org/10.1038/s43017-022-00316-6	journal	July 2022
Emerging patterns in the global distribution of dissolved organic matter fluorescence Wünsch, Urban J.; Bro, Rasmus; Stedmon, Colin A. Analytical Methods, Vol. 11, Issue 7 https://doi.org/10.1039/C8AY02422G	journal	January 2019
Use of optical properties for evaluating the presence of pyrogenic organic matter in thermally altered soil leachates McKay, Garrett; Hohner, Amanda K.; Rosario-Ortiz, Fernando L. Environmental Science: Processes & Impacts, Vol. 22, Issue 4 https://doi.org/10.1039/C9EM00413K	journal	January 2020
A review of simulation experiment techniques used to analyze wildfire effects on water quality and supply Brucker, Carli P.; Livneh, Ben; Minear, J. Toby Environmental Science: Processes & Impacts, Vol. 24, Issue 8 https://doi.org/10.1039/D2EM00045H	journal	January 2022
Fluorescence spectroscopy and multi-way techniques. PARAFAC Murphy, Kathleen R.; Stedmon, Colin A.; Graeber, Daniel Analytical Methods, Vol. 5, Issue 23 https://doi.org/10.1039/c3ay41160e	journal	January 2013
Fire intensity, fire severity and burn severity: a brief review and suggested usage Keeley, Jon E. International Journal of Wildland Fire, Vol. 18, Issue 1 https://doi.org/10.1071/WF07049	journal	January 2009
Optical in-situ sensors capture dissolved organic carbon (DOC) dynamics after prescribed fire in high-DOC forest watersheds Olivares, Christopher I.; Zhang, Wenbo; Uzun, Habibullah International Journal of Wildland Fire, Vol. 28, Issue 10 https://doi.org/10.1071/WF18175	journal	January 2019
Evaluating the factors responsible for post-fire water quality response in forests of the western USA Rust, Ashley J.; Saxe, Samuel; McCray, John International Journal of Wildland Fire, Vol. 28, Issue 10 https://doi.org/10.1071/WF18191	journal	January 2019
Long-term perspective on wildfires in the western USA Marlon, J. R.; Bartlein, P. J.; Gavin, D. G. Proceedings of the National Academy of Sciences, Vol. 109, Issue 9 https://doi.org/10.1073/pnas.1112839109	journal	February 2012
Lignin and its effects on litter decomposition in forest ecosystems Rahman, Mohammed Mahabubur; Tsukamoto, Jiro; Rahman, Md. Motiur Chemistry and Ecology, Vol. 29, Issue 6 https://doi.org/10.1080/02757540.2013.790380	journal	August 2013
Extreme water quality degradation following a catastrophic forest fire Dahm, Clifford N.; Candelaria-Ley, Roxanne I.; Reale, Chelsea S. Freshwater Biology, Vol. 60, Issue 12 https://doi.org/10.1111/fwb.12548	journal	March 2015
Pyrogenic organic matter production from wildfires: a missing sink in the global carbon cycle Santín, Cristina; Doerr, Stefan H.; Preston, Caroline M. Global Change Biology, Vol. 21, Issue 4 https://doi.org/10.1111/gcb.12800	journal	January 2015
Towards a global assessment of pyrogenic carbon from vegetation fires Santín, Cristina; Doerr, Stefan H.; Kane, Evan S. Global Change Biology, Vol. 22, Issue 1, p. 76-91 https://doi.org/10.1111/gcb.12985	journal	July 2015
Fire in the Earth System Bowman, D. M. J. S.; Balch, J. K.; Artaxo, P. Science, Vol. 324, Issue 5926 https://doi.org/10.1126/science.1163886	journal	April 2009
Global Charcoal Mobilization from Soils via Dissolution and Riverine Transport to the Oceans Jaffe, R.; Ding, Y.; Niggemann, J. Science, Vol. 340, Issue 6130 https://doi.org/10.1126/science.1231476	journal	April 2013
The Pyrogenic Carbon Cycle Bird, Michael I.; Wynn, Jonathan G.; Saiz, Gustavo Annual Review of Earth and Planetary Sciences, Vol. 43, Issue 1 https://doi.org/10.1146/annurev-earth-060614-105038	journal	May 2015
Changing wildfire, changing forests: the effects of climate change on fire regimes and vegetation in the Pacific Northwest, USA Halofsky, Jessica E.; Peterson, David L.; Harvey, Brian J. Fire Ecology, Vol. 16, Issue 1 https://doi.org/10.1186/s42408-019-0062-8	journal	January 2020
Fitting Linear Mixed-Effects Models Using lme4 Bates, Douglas; Mächler, Martin; Bolker, Ben Journal of Statistical Software, Vol. 67, Issue 1 https://doi.org/10.18637/jss.v067.i01	journal	January 2015
Aqueous Leaching of Organic Acids and Dissolved Organic Carbon from Various Biochars Prepared at Different Temperatures Liu, Peng; Ptacek, Carol J.; Blowes, David W. Journal of Environmental Quality, Vol. 44, Issue 2 https://doi.org/10.2134/jeq2014.08.0341	journal	March 2015
Release of Intracellular Solutes by Four Soil Bacteria Exposed to Dilution Stress Halverson, Larry J.; Jones, Thomas M.; Firestone, Mary K. Soil Science Society of America Journal, Vol. 64, Issue 5 https://doi.org/10.2136/sssaj2000.6451630x	journal	January 2000
A Heteroskedasticity-Consistent Covariance Matrix Estimator and a Direct Test for Heteroskedasticity White, Halbert Econometrica, Vol. 48, Issue 4 https://doi.org/10.2307/1912934	journal	May 1980
Winter Variation in Nutrient and Fiber Content and in vitro Digestibility of Gambel Oak [Quercus gambellii] and Big Sagebrush [Artemisia tridentata] from Diversified Sites in Colorado Kufeld, Roland C.; Stevens, Marilyn; Bowden, David C. Journal of Range Management, Vol. 34, Issue 2 https://doi.org/10.2307/3898133	journal	March 1981
Comment: Big Sagebrush Pro versus Con Welch, Bruce L. Journal of Range Management, Vol. 50, Issue 3 https://doi.org/10.2307/4003736	journal	May 1997
Flux of Dissolved and Particulate Low-Temperature Pyrogenic Carbon from Two High-Latitude Rivers across the Spring Freshet Hydrograph Myers-Pigg, Allison N.; Louchouarn, Patrick; Teisserenc, Roman Frontiers in Marine Science, Vol. 4 https://doi.org/10.3389/fmars.2017.00038	journal	February 2017
Essential Role of Forest Fires in Humic Acids Structure and Composition Alteration Chebykina, Ekaterina; Abakumov, Evgeny Agronomy, Vol. 12, Issue 12 https://doi.org/10.3390/agronomy12122910	journal	November 2022
Wildfires in Grasslands and Shrublands: A Review of Impacts on Vegetation, Soil, Hydrology, and Geomorphology Stavi, Ilan Water, Vol. 11, Issue 5 https://doi.org/10.3390/w11051042	journal	May 2019
Potential bioavailability of representative pyrogenic organic matter compounds in comparison to natural dissolved organic matter pools Graham, Emily B.; Song, Hyun-Seob; Grieger, Samantha Biogeosciences, Vol. 20, Issue 16 https://doi.org/10.5194/bg-20-3449-2023	journal	August 2023

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54 ENVIRONMENTAL SCIENCES
FTICR-MS
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Title: Molecular shifts in dissolved organic matter along a burn severity continuum for common land cover types in the Pacific Northwest, USA

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