The Filley Biogeochemistry Research Group



approach that integrates knowledge from different scientific disciplines with stakeholders and community members to address societal challenges.

"first of its kind"

studies related to emerging pollutant fate in soil, measurements of in-situ decay rates of natural chemicals in soil, and novel application of analytical tools.


research connecting chemical transformations at the submicron scale to the landscape scale.

Foundational chemistry

for many national and international, large-scale ecosystem projects such as the NSF Critical Zone Collaborative (CZO) Network.

Photo: Tapajós National Forest fllux tower, Chico Mendes Institute for Conservation of Biodiversity.

Publication Summary: Google Scholar Citation Report (as of October, 2023): h-index 49, i10 = 104, citations =9577. P = Post-doc in Filley’s group; U = undergraduate researcher in Filley’s group; underlined = Graduate students in Filley’s group; * = Visiting scholars in Filley’s group

Peer reviewed publications

121) Kumar, P., Anders, A., Bauer, E., Blair, N., Cain, M., Dere, A., Druhan, J., Filley, T., Giannopoulos, C., Goodwell, A., Grimley, D., Karwan, D., Keefer, L., Kim, J., Marini, L., Muste, M., Papanicolaou, ANT, Rhoads, B., Hernandez, L.,  Roque-Malo, S., Schaeffer, S., Stumpf, A., Ward, A., Welp, L., Wilson, G., Yan, Q., Zho, S. (2023) Emergent role of critical interfaces in the dynamics of intensively managed landscapes, Earth-Science Reviews, 104543. 

120) PCcanccapa-Cartagena, A.,  Chavez-Gonzales, F.D., Paredes, B., Corina, V.,  Gutierrez, V., Roland, V.,  Alcázar, A.L.P.,  Zyaykina, N.N., Filley, T.R., Jafvert, C.T.  (2023) Seasonal differences in trace metal concentrations in the major rivers of the hyper-arid southwestern Andes basins. Journal of Environmental Management 344, 118493. 

119) Ding, X.,  Wang; W., Wen, J., Feng, T., Peñuelas, J., Sardans, J., Liang;, C.,  Filley, T.R., He, H.B., Zhang, X (2023) Invasion of Spartina alterniflora alters microbial residues and their contribution to soil organic C pool in coastal wetlands. Catena 230, 107246. 

118) PHou, T., Blair, N., Papanicolaou, ANT., Filley, T.R. (2023) Storm pulse responses of fluvial organic carbon to seasonal source supply and transport controls in a midwestern agricultural watershed. Science of The Total Environment, 161647. 

117) Trivino, N., Rodriguez-Sanchez, A., Filley, T.R., Camberato, J., Colley, M., Simon, P., Hoagland. L. (2023). Carrot genotypes differentially alter soil microbial communities and organic matter priming. Plant and Soil. 1-20. 

116) Li, Z., Dadsetan, M., Gao, J., Zhang, S., Cai, L., Naseri, A., PJimenez-castaneda, M., Filley, T.R., Miller, J.,  Thomson, M., Pol, V. (2021) Revealing the thermal safety of Prussian blue cathode for safer nonaqueous batteries. Advanced Energy Materials 11 (42), 2101764. 

115) PCcanccapa-Cartagena, A., Paredes, B., Vera, C., Chavez-Gonzales, F., Olson, E., Welp, L., Zyaykina, N., Filley, T.R., Warsinger, M., Jafvert, C.T. (2021) Occurrence and probabilistic health risk assessment (PRA) of dissolved metals in surface water sources in Southern Peru. Environmental Advances. 5, 100102. 

114) Wang, X., Dai, W., Filley, T.R., Wang, C., Bai, E. (2021) Aboveground litter addition for five years changes the chemical composition of soil organic matter in a temperate deciduous forest. Soil Biology and Biochemistry, 161, 108381. 

113) Keiser, A.D., Warren, R., Filley, T.R., Bradford, M.A. (2021) Signatures of an abiotic decomposition pathway in temperate forest leaf litter. Biogeochemistry, 153 (2), 177-190. 

112) Blair, N., Bettis III, E.A., Filley, T.R., Moravek, J., Papanicolaou, A.N., Ward, A.S., Wilson, C.G., Zhou, N., Kazmierczak, B., Kim, J., (2021) The Spatiotemporal Evolution of Storm Pulse Particulate Organic Carbon in a Low Gradient, Agriculturally Dominated Watershed. Frontiers in Water 3, 9  

111) Waimin, J., Jiang, H., Detwiler, D.A., PJimenez-Castaneda, M.E.,  Mutlu, Z., Cakmak, M., Filley, T.R., Rahimi, R. (2021) Noninvasive assessment of microbial activity by real time monitoring degradation of cellulose acetate via electrochemical impedance measurement.  Sensors & Actuators: A. Physical, Volume 321; 112543. 

110) Hou, T., Filley, T.R., Tong, Y., Abban, B.K., Singh, S., Papanicolaou, A.T., Wacha, K.M., Wilson, and C.G., Chaubey, I. (2021) Tillage-induced surface soil roughness controls the chemistry and physics of eroded particles at early erosion stage. Soil and Tillage Research, 207, 104807. 

109) PRamson, J., León-Salas, W.D., PBrecheisen, Z., PFoster, E.F., Johnston, C.T., Schulze, D.G., Filley, T.R., Rahimi, R., Villalta Soto, M., Lopa Bolivar, J., Postigo Málaga, M. (2021) A Self-Powered, Real-Time, LoRaWAN IoT-based Soil Health Monitoring System. IEEE Internet of Things Journal 8(11) 9278-9293 .++ 

108) PBrecheisen, Z.,  Hamp‐Adams, N., Tomasek, A., PFoster, E.J., Filley, T.R., Villalta Soto, M., Zuniga, L., , Lima Moraes, A., Schulze, D.G. (2020)  Using Remote Sensing to Discover Historic Context of Human‐Environmental Water Resource DynamicsJournal of Contemporary Water Research & Education 171 (1), 74-92  

107) *Li, M., PFoster, E.J., Le, P.V.V., Yan, Q., Stumpf, A., Hou, T., Papanicolaou, ANT., Wacha, K.M., Wilson, C.G., Wang, J., Kumar, P., Filley, T.R.  (2020) A new dynamic wetness index predicts soil moisture persistence and correlates with key indicators of surface soil geochemistry. Geoderma 368, 114239. 

106) Ding, X., Chen, S., Zhang, B., He, H., Filley, T.R., Horwath, W.R. (2020) Warming yields distinct accumulation patterns of microbial residues in dry and wet alpine grasslands on the Qinghai-Tibetan Plateau. Biology and Fertility of Soils 56, 881-892. 

105) Wacha, K.M., Papanicolaou, A.N.T., Abban, B.K., Wilson, C.G., Giannopoulos, C.P., Hou, T., Filley, T.R., Hatfield, J. (2020) The impact of tillage row orientation on physical and chemical sediment enrichment. Agrosystems, Geosciences & Environment 3 (1), e20007 

104) *Jin, X., Gall, A.R., Saeed, M.F., Li, S., Filley, T.R., Wang, J. (2020) Plastic film mulching and nitrogen fertilization enhance the conversion of newly-added maize straw to water-soluble organic carbon. Soil and Tillage Research 197, 104527 

103) Li, Z., Wang, D., Dai, H., Wang, X., Liang, S., Xu, J., Yang, J.,Wang, L., Filley, T.R. et. al, (2020) Background and Research Prospect of Geoecological Survey and Monitor in the Critical Zone of Black Soil. Acta Geologica SinicaEnglish Edition 93 (S3), 126-129 

102) *Ding, X., *Zhang, B., Wei, Z., He, H., Filley, T.R. (2019) Conversion of grassland into cropland affects microbial residue carbon retention in both surface and subsurface soils of a temperate agroecosystem. Biology and Fertility of Soils, 65, 137-143. 

101) Nierop, K., Versteegh, G., Filley, T.R., de Leeuw, J. (2019) Quantitative analysis of diverse sporomorph-derived sporopollenins. Phytochemistry, 162, 207-215. 

100) Ceja-Navarro, J., Karaoz, Bill, M., Hao, Z.,  White, R., Arellano, A., Ramanculova, L., Filley, T.R., Berry, T., Conrad, M., Blackwell, M., Nicora, C., Kim, Y-M., Reardon, P., Lipton, M., Adkins, J., Pett-Ridge, J., Brodie, E. (2019) Gut anatomical properties and microbial functional assembly promote lignocellulose deconstruction and colony subsistence of a wood-feeding beetle. Nature-Microbiology 4(5), 864.  

99) Ma, Y., Szlavecz, K., McCormick, K., Filley, T.R. (2019) Controls on soil organic carbon stability and temperature sensitivity with increased aboveground litter input in deciduous forests at different forest ages. Soil Biology & Biochemistry 134, 90-99. 

98) *Ding, X., Zhang, B., Filley, T.R., Tian, C., Zhang, X., He, H., (2019) Changes of microbial residues after wetland cultivation and restoration. Biology and Fertility of Soils 55, 405-409. 

97) Yan, Q. Le, PVV., Woo, D.K., Hou, T., Filley, T.R., Kumar, P. (2019) 3D Modeling of the Coevolution of Landscape and Soil Organic Carbon. Water Resources Research, 55, 1218-1241.  

96) Wacha, K., Papanicolaou, T., Giannopoulos, C., Abban, B., Wilson, C., Zhou, S., Hatfield, J., Filley, T.R., Hou, T. (2018) The Role of Hydraulic Connectivity and Management on Soil Aggregate Size and Stability in the Clear Creek Watershed, IowaGeosciences 8 (12), 470. 

95) Gibson, C., Hatton P.J., Bird, J.A., Nadelhoffer, K.J., Ward, C., Stark, R., Filley, T.R. (2018) Interacting Controls of Pyrolysis Temperature and Plant Taxa on the Degradability of PyOM in Fire-Prone Northern Temperate Forest. Soil Systems 2 (3), 48. 

94) Kumar, P., Le, P., Papanicolaou, T., Rhoads, B., Anders, A., Stumpf, A., Wilson, C.,  Bettis, E., Ward, A., Filley, T.R.,  Lin, H., Keefer, L., Keefer, D., Lin, Y.F., Muste, M. Royer, T., Foufoula-Georgiou, E.,  Belmont, P.,  Blair, N. (2018) Critical Transition in Critical Zone of Intensively Managed Landscapes. Anthropocene 22, 10-19. 

93) Hou, T., Berry, T., Singh, S., Hughes, MU., Tong, Y., Papanicolaou, T., Wacha, K.,  Wilson, C.,  Chaubey, I., Filley, T.R.  (2018) Control of tillage disturbance on the chemistry and proportion of raindrop-liberated particles from soil aggregates Geoderma 330, 19-29. 

92) Szlavecz, K. Chang, C.H., Bernard, M.J., Pitz, S.L., Ma, Y., McCormick, M.K., Filley, T.R., Yarwood, S.A., Yesilonis, I.D., Csuzdi, C.  (2018)  Litter quality, dispersal and invasion drive earthworm community dynamics and forest soil development. Oecologia 1-14.  

91) Gibson, C., Hatton P.J., Bird, J.A., Nadelhoffer, K.J., Le Moine, J., Filley, T.R. (2018) Tree taxa and pyrolysis temperature interact to control pyrogenic organic matter induced native soil organic carbon priming. Soil Biology and Biochemistry. 119, 174-183 

90) *Jin, X., An, T., Gall, A.R., Li, S., Filley, T.R., Wang, J. (2018) Enhanced conversion of newly-added maize straw to soil microbial biomass C under plastic film mulching and organic manure management. Geoderma. 313, 154-162 

89) De Oliveira, S.A., Camberato, J.j., Coram, T., Filley, T.R., Vyn, T.J. (2017) Applicability of a multi-stage pulse-labeling 15N approach to phenotype N dynamics in maize plant components during the growing season.  Frontiers in Plant Science 8, 1360.  

88) Baskaran, M., Bianchi, T.S., Filley, T.R. (2017) Inconsistencies between 14C and short-lived radionuclides-based sediment accumulation rates: Effects of long-term remineralization. Journal of Environmental Radioactivity. 174, 10-16. 

87) *Wang, R., Gibson, C., Berry, T.D., Jiang, Y., Bird, J.A., Filley, T.R. (2017) Photooxidation of pyrogenic organic matter reduces its reactive, labile C pool and the apparent soil oxidative microbial enzyme response. Geoderma 293, 10–18. 

86) *Ding, X., Qiao, Y., Filley, T., Wang, H., Lü, X., Zhang, B*., Wang, J (2017) Long-term changes in land use impact the accumulation of microbial residues in the particle-size fractions of a Mollisol. Biology and Fertility of Soils, 53, 281-286.  

85) Berry, T.D., Filley, T.R., Clavijo, A.P., Bischoff, M., Turco, R.F. (2017) Degradation and Microbial Uptake of C60 Fullerols in Contrasting Agricultural Soils. Environmental Science & Technology 51, 1387-1394. 

84) Liu, Y., Wang, P., Li, L., Cheng, K., *Zheng, J., Filley, T.R., Zhang, X., Zheng, J., Pan, G. (2016) Microbial activity promoted with organic carbon accumulation in macroaggregates of paddy soils3under long-term rice cultivation. Biogeosciences 13 (24) 6565. doi:10.5194/bg-2016-40. 

83) Hatton P.J., Chatterjee, S., Filley, T.R., Dastmalchi, K., Plante, A.F., Abiven, S., Gao, X., Masiello, C.A., Leavitt, S., Nadelhoffer, K.J., Stark, R. E., Bird, J.A.  (2016) Tree taxa and pyrolysis temperature interact to control the efficacy of pyrogenic organic matter formation. Biogeochemistry. 130 (1-2), 103-116. 

82) Kaal J. and Filley, T.R. (2016) Novel molecular proxies for inferring pyrogenic black carbon oxidation state using thermally assisted hydrolysis and methylation (THM-GC-MS) with 13C-labeled tetramethylammonium hydroxide (TMAH). Journal of Analytical and Applied Pyrolysis. 121 146-154. 

81) Creamer, C.A., Filley, T.R., Boutton, T.W., Rowe, H.I. (2016) Grassland to woodland transitions: dynamic response of microbial community structure and carbon use patterns.  Journal of Geophysical Research: Biogeosciences. 121(6) 1675-1688. DOI: 10.1002/2016JG003347 

80) Rose, C., Polissar, P., Tierney, J., Filley, T.R., de Menocal, P. (2016) Changes in Northeast African Hydrology and Vegetation Associated with Pliocene-Pleistocene Sapropel Cycles. Phil. Trans. R. Soc. B 371 (1698), 20150243 

79) *DeMarco, J., Filley, T.R., and Throop, H.L. (2016) Patterns of woody plant derived soil carbon losses and persistence after brush management in a semi-arid grassland. Plant and Soil, 1-17. 277-293. 

78) Berry, T.D., Clavijo, A.P., Zhao, Y., Jafvert, C.T., Turco, R.F., Filley, T.R. (2016) Soil microbial response to photo-degraded C60 fullerenes. Environmental Pollution. 211, 338-345. 

77) Zhang, D., Yan, M., Niu, Y., Liu, X., van Zwieten, L., Chen, D., Bian, R., Cheng, K., Li, L., Joseph, S., Zheng, J., Zhang, X., *Zheng, J., Crowley, D., Filley, T., Pan, G. (2016) Is current biochar research addressing global soil constraints for sustainable agriculture? Agriculture, Ecosystems & Environment 226, 25-32 

76) Wang, J.Q., Liu, X.Y., Zhang, X.H., Smith, P., Li, L.Q., Filley, T.R., Cheng, K., Shen, M.X., He, YB., Pan, G.X., (2016) Size and variability of crop productivity both impacted by CO2 enrichment and warming —a case study of 4 year field experiment in a Chinese paddy. Agriculture, Ecosystems and Environment.221, 40-49. 

75) Gibson, C., Berry, T.D., *Wang, R., Spencer, J.A., Johnston, C.T., Jiang, Y., Bird, J.A., Filley, T.R. (2016) Weathering of pyrogenic organic matter induces fungal oxidative enzyme response in single culture inoculation experiments. Organic Geochemistry, 32-41. DOI: 10.1016/j.orggeochem.2015.12.003 

74) Chang, C.H., Szlavecz, K., Filley, T.R., Buyer, J.S., Bernard, M.J., and Pitz S.L. (2015) Belowground competition among invading detritivores. Ecology. 

73). Papanicolaou, A. N. (T.), Wacha, K.M., Abban, B.K., Wilson, C.G., Hatfield, J., Stanier, C., and Filley, T.R. (2015) From soilscapes to landscapes: A landscape oriented approach to simulate soil organic carbon dynamics in intensively managed landscapes, J. Geophys. Res. Biogeosci., 120 (11), 2375-2401.  doi:10.1002/  2015JG003078. 

72). Filley, T.R., Li, M.L., Zhuang, J., Yu, G.R., Sayler, G., Ouyang, Z.Y., Han, X.G., Zhang, X.D., Jiang, G.B., Zhou, C.H., Wang, F.,; Bickham, JW. (2015) Bi-national research and education cooperation in the US-China EcoPartnership for Environmental Sustainability. Journal of Renewable and Sustainable Energy 7, Issue: 4     Article Number: 041512 

71). Wu, N*., Filley, T.R., Bai, E., Han, S.J., Jiang P. (2015) Incipient changes of lignin and substituted fatty acids under N addition in a Chinese forest soil. Organic Geochemistry 79, 14-20.   

70). Sarkar, A*., Filley, T.R. Bera, R. (2015) Carbon isotopic composition of lignin biomarkers: Evidence of grassland over the Gangetic plain during LGM. Quaternary International 355, 194-201. 

69). *Wang, R., Dorodnikov, M. ,Yang, S.,  Zhang, Y.,  Filley, T.R.,  Turco, R.F., Zhang, Y., Xu, Z., Li, H.,  Jiang, Y., (2015) Responses of enzymatic activities within soil aggregates to 9-year nitrogen and water addition in a semi-arid grassland.  Soil Biology & Biochemistry 81. 159e167  

68). Ma, Y., Filley, T.R., Szlavecz, K., McCormick, M.K. (2014) Controls on wood and leaf litter incorporation into soil fractions in forests at different successional stages. Soil Biology and Biochemistry. 69, 212–222. 

67). *Routh, J., Hugelius, G., Kuhry, P., Filley, T., Tillman, P.K., Becher, M., Crill, P.  (2014) Multi-proxy study of soil organic matter dynamics in permafrost peat deposits reveal vulnerability to climate change in European Russian Arctic. Chemical Geology. 368, 104-117.    

66). Penning, B.W., Sykes, R.W., Babcock, N.C., Dugard, Klimek, J.F., Gamblin, D.G., Davis, M., Filley, T.R., Mosier, N.S., Weil, C., McCann, M.C., Carpita, N.C., (2014) Validation of PyMBMS as a high-throughput screen for lignin abundance in lignocellulosic biomass of grasses. Bioenergy Research. 7, x Issue: 3   Special Issue: SI 899-908 

65). Top, S. and Filley, T.R. (2014) Effects of elevated CO2 on the extractable amino acids of leaf litter and fine roots. New Phytologist. DOI: 10.1111/nph.12762 

64). Aronson, R.B., *Hilbun, N.L., Bianchi, T.S., Filley, T.R., McKee, B.A. (2014) Land use, water quality, and the history of coral assemblages at Bocas del Toro, Panama. Marine Ecological Progress Series. 504, 159-170.    

63). Berry, T.D., Filley, T.R., Blanchette, R. (2014) Oxidative enzymatic response of white-rot fungi to single-walled carbon nanotubes. Environmental Pollution.193, 197-204. 

62). Hopkins, F.M., Filley, T.R., Gleixner, G., Lange, M., Top, S.M., Trumbore, S.E., (2014) Increased belowground carbon inputs and warming promote loss of soil organic carbon through complementary microbial pathways. Soil Biology and Biochemistry 76, 57-69.  

61). *Wang, R., Xu, Z., Wang, M., Li , T.,  Luo, Y.,  Jiang. Y. (2014) Coupled response of soil carbon and microbial activity to nitrogen and water addition in a semi-arid grassland. Plant and Soil. 381, Issue: 1-2, 323-336. 

60). *Klotzbücher, T., Kaiser, K., Kalbitz, K., Filley, T.R., (2013) Processes controlling the production of aromatic water-soluble organic matter during litter decomposition. Soil Biology and Biochemistry 67, 133-139.  

59). Samanta, A.; Bera, M. K.; Ghosh, R; Bera, S., Filley T.R., Pande, K., Rathore, S.S., Rai, J., *Sarkar, A. (2013) Do the large carbon isotopic excursions in terrestrial organic matter across Paleocene-Eocene boundary in India indicate intensification of tropical precipitation? Paleogeography, Paleoclimatology, Paleoecology 387, 91-103   DOI: 10.1016/j.palaeo.2013.07.008    

58). Ma, Y., Filley, T.R., Johnston, C.T., PCrow, S.E., Szlavecz, K., McCormick, M.K., (2013) The combined controls of land use legacy and earthworm activity on soil organic matter chemistry and particle association during afforestation. Organic Geochemistry 58, 56-68. 

57). Schilling, J.S., Blanchette, R.A., Duncan, S.M., Filley, T.R., Jurgens, J.A, and Presley, G.N. (2013) Colocalizing incipient reactions in wood degraded by the brown rot fungus Postia placenta. International Biodeterioration and Biodegradation 83, 56-62. (IBB-D-13-00165). 

56). Creamer, C., Filley, T., Boutton, T. (2013) Controls on carbon loss during long-term incubation of size and density separated soil fractions. Soil Biology and Biochemistry 57, 496-503. 

55). Zhang, B., He, H.B., Ding, X.L., Zhang, X.D., Zhang, X.P., Yang, X.M., Filley, T.R. (2012) Soil microbial community dynamics over a maize (Zea mays L.) growing season under conventional- and no-tillage practices in a rainfed agroecosystem. Soil & Tillage Research, 124153-160   DOI: 10.1016/j.still.2012.05.011.  

54). Creamer, CA., Filley, T.R., Boutton, T.W. (2012) Long-term incubations of size and density separated soil fractions to inform soil organic carbon decay dynamics, Soil Biology and Biochemistry. 

53). Creamer, CA., Filley, T.R., Boutton, T.W., Olk, D., Plante, A., Peltre, C., Top, S. (2012) Degree of woody encroachment into grasslands controls soil carbohydrate and amino compound changes during long term laboratory incubation. Organic Geochemistry, 52 (2012) 23–31.  

52). *Thomas, D.C., Zak, D.R., Filley, T.R. (2012) Chronic N Deposition Does Not Alter the Biochemical Composition of Forest Floor and Soil Organic Matter. Soil Biology and Biochemistry, 54, 7-13. 

51). Schilling, J., Jun A., Blanchette;, R.A., Duncan, S..A., Filley, T.R., Tschirner, U.W. (2012) Lignocellulose modifications by brown rot fungi and their effects, as pretreatments, on cellulolysis. Bioresource Technology, 116, 147-154. 

50). Creamer, CA., Filley, T.R., Boutton, T.W., Olk, D., Stott , D.E. Dooling, V.   (2012) Changes to soil organic N dynamics with leguminous woody plant encroachment into grasslands. BiogeochemistryDOI 10.1007/s10533-012-9757-5 

49). *Klotzbücher, T., Filley, T.R., Kaiser, K., Kalbitz, K. Lignin degradation in leave and needle litters studied with 13C-TMAH thermochemolysis – comparison with other methods. (2011) Organic Geochemistry, 42, 1271-1278. DOI:10.1016/j.orggeochem.2011.07.007.  

48). Bianchi, T.S., *Wysocki, L.A., Schreiner, K.M., Filley, T.R., Corbett, D.R., Kolker, A.S., (2011) Sources of Terrestrial Organic Carbon in the Mississippi Plume Region: Evidence for the Importance of Coastal Marsh Inputs. Aquatic Geochemistry, 17, 431-456. DOI: 10.1007/s10498-010-9110-3. 

47). Creamer, C.A., Filley, T.R., Boutton, T.W., Oleynik, S., Kantola, I.B., (2011) Controls on soil carbon accumulation during woody plant encroachment:  Evidence from physical fractionation, soil respiration, and δ13C of respired CO2.  Soil Biology and Biochemistry, DOI:10.1016/j.soilbio.2011.04.013.  

46). Szlavecz, K., McCormick, M., Xia, L., Saunders, J., Morcol, T., Whigham, D., Filley, T.R. (2011) Ecosystem effects of non-native earthworms in Mid-Atlantic deciduous forests. Biological Invasions doi: 10.1007/s10530-011-9959-0 

45). Mason S.L., Filley, T.R. and Abbott. G.A. (2010) A comparative study of the molecular composition of a grassland soil with adjacent unforested and afforested moorland ecosystems using 13C labelled tetramethylammonium hydroxide (13C-TMAH) thermochemolysis. Organic Geochemistry. doi:10.1016/j.orggeochem.2010.11.003  

44). Kleber, M., Nico, P., Plante, A., Filley, T.R., Kramer, M., Swanston, C., Sollins, P. (2010) Old and stable soil organic matter is not necessarily chemically recalcitrant: Implications for modeling concepts and temperature sensitivity. Global Change Biology. DOI: 10.1111/j.1365-2486.2010.02278.x 

43). Arantes,V., Milagres, AEM., Filley, T.R., Goodell, B. (2010) Lignocellulosic polysaccharides and lignin degradation via nonenzymatic Fenton-based reactions mediated by Fe3+-reductants purified from cultures of wood decay fungi. Journal of Industrial Microbiology & Biotechnology DOI: 10.1007/s10295-010-0798-2. 

42). Olk, D. C., Anders, M.M., Filley, T.R, Isbell, C. (2009) Crop nitrogen uptake and soil phenols accumulation under continuous rice cropping in Arkansas. Soil Science Society of America Journal, (2009); 73:952-960 

41). Arantes, V., Qian, Y., Kelley, S.S., Milagres, A.M.F., Filley, T.R., Jellison, J., Goodell, B. (2009) Biomimetic oxidative treatment of spruce wood studied by pyrolysis–molecular beam mass spectrometry coupled with multivariate analysis and 13C-labeled tetramethylammonium hydroxide thermochemolysis: implications for fungal degradation of wood, J. Biol. Inorg. Chem.  doi: 10.1007/s00775-009-0569-6. 

40). *Castañeda, I.S., Werne, J.P., Johnson, T.C., and Filley, T.R. (2009) Late Quaternary vegetation history of southeast Africa: The molecular isotopic record from Lake Malawi, Palaeogeography, Palaeoclimatology, Palaeoecology 275, 100–112. 

39). PCrow, S. E., Filley, T.R.,McCormick, M., Szlavecz, K., Stott, D.E., Gamblin, D., Conyers, G.  (2009)  Invasive earthworms and forest successional stage interact to impact plant litter inputs and particulate organic matter chemistry, Biogeochemistry doi: 10.1007/s10533-008-9260-1. 

38). Schreiner, K.M., Filley, T.R., Blanchette, R.A., Bowen, B.B., Bolskar, R.D. (2009) White-Rot Basidiomycete-mediated Decomposition of C60 Fullerol, Environmental Science and Technology  doi: 10.1021/es801873q. 

37). Jurgens, J.A., Blanchette, R.A., Filley, T.R.  (2009) Fungal diversity and deterioration in mummified woods from the ad Astra Ice Cap region in the Canadian High Arctic, Polar Biology 32, 751-758.  DOI:10.1007/s00300-008-0578-x. 

36). *Crow, S. E.P, Lajtha, K., Filley, T.R., Swanston, C.W., Bowden, R.D., Caldwell, B.A.  (2009) Sources of plant-derived carbon and stability of organic matter in soil: implications for global change, Global Change Biology 15(8) pp. 2003-2019. 

35). Boutton, T.W., Liao, J.D., Filley, T.R., Archer, S. R.  (2009) Below ground carbon storage and dynamics accompanying woody plant encroachment in a subtropical savanna. Soil Carbon Sequestration and the Greenhouse Effect (R. Lal and R. Follett, eds.), Soil Science Society of America, Madison, WI. 

34). Mason S.L., Filley, T.R., Abbott, G.C. (2009) The Effect of Afforestation on the Soil Organic Carbon (SOC) of a Peaty Gley Soil Using On-Line Thermally Assisted Hydrolysis and Methylation (THM) in the Presence of 13C-Labelled Tetramethylammonium Hydroxide (TMAH), Journal of Applied and Analytical Pyrolysis doi:10.1016/j.jaap.2008.11.005. 

33). Sollins, P., Kramer, M., Swanston, C., Lajtha, K., Filley, T.R., Aufdenkampe, A., Wagai R., and Bowden, R.D. (2009) Sequential Density Fractionation across Soils of Contrasting Mineralogy: Evidence for both Microbial- and Mineral-Controlled Soil Organic Matter Stabilization. Biogeochemistry 96(1-3), 209-231, DOI: 10.1007/s10533-009-9359-z. 

32). *Nierop, K.G.J., and Filley, T.R. (2008) Simultaneous analysis of tannin and lignin signatures in soils by thermally assisted hydrolysis and methylation using 13Clabeled TMAH. Journal of Applied and Analytical Pyrolysis. 83 pp. 227-231. 

31). Filley, T.R., Boutton T.W., Liao, J.D., Jastrow D. (2008) Chemical Changes to non-aggregated particulate soil organic matter following grassland-to-woodland transition in a subtropical savanna. Journal of Geophysical Research: Biogeosciences, 113 Issue: G3: G03009. 

30). Lockwood, A.L., Filley, T.R., Rhodes, D., Shepson, P.B. (2008) Foliar uptake of atmospheric organic nitrates Geophysical Research Letter 35, Issue: 15: L15809. 

29). Geib, S.M., Filley, T.R., Hatcher, P.G., Hoover, K., Nakagawa-Izumi, A.*, Sleighter, R., Tien, R., (2008) Lignin degradation in wood-feeding insects. Proceedings of the National Academy of Sciences-USA, 105 no. 35, 12932-12937. 

28). Filley, T.R., McCormick, M.K., PCrow, S.E., Szlavecz, K.E. Whigham, D.F., Johnston, C.T., van den Heuvel, R. (2008) Comparison of the chemical alteration trajectory of Liriodendron tulipifera L. leaf litter among forests with different earthworm abundance. Journal of Geophysical Research:Biogeosciences 113, G01027, doi:10.1029/2007JG000542. 

27). *Wysocki, L.A., Filley T.R. and Bianchi, TS. (2008) Comparison of two methods for lignin analysis in natural samples: cupric oxide oxidation versus tetramethylammonium hydroxide thermochemolysis. Organic Geochemistry 39, 1454-1461. 

26). Tokarz, JA. III, PAhn, MY., Leng, J., Filley, T.R. and Nies, L. (2008) Reductive debromination of polybrominated diphenyl ethers in anaerobic sediment and a biomimetic system. Environmental Science and Technology42, (4), pp 1157–1164. 

25). Olchin, GP., Ogle, S., Frey, SD. Filley, T.R., Paustian, K. and Six J. (2008) Residue carbon incorporation into soil aggregates of no-tillage and full-inversion tillage dryland cropping systems. Soil Sci Soc Am J.; 72: 507-513. 

24). *Nierop, K.G.L. and Filley, T.R. (2007) Assessment of lignin and (poly-) phenol transformations in oak (Quercus robur ) dominated soils by 13 C-TMAH thermochemolysis. Organic Geochemistry, 38, 551-565. 

23). Dalzell, B.J., Filley, T.R., Harbor, J.M. (2007) The role of hydrology in annual organic carbon loads and terrestrial organic matter export from a midwestern agricultural watershed. Geochim. Cosmochim. Acta (2007), doi:10.1016/j.gca.2006.12.009. 

22). Bianchi, T.S., *Wysocki, L.A., Stewart, M., Filley, T.R. (2007) Temporal variability in terrestrially-derived sources of particulate organic carbon in the lower Mississippi River and its upper tributaries. Geochimica et Cosmochimica Acta 71, 4425-4437. 

21). Sollins, P., Swanston, C., Kleber, M., Filley, T., Kramer, M., Crow, S., Caldwell, B., Lajtha,K., and Bowden, R. (2006) Organic C and N stabilization in a forest soil: evidence from sequential density fractionation. Soil Biology and Biochemistry, 38, 3313–33244. 

20). Filley, T.R., Wang, Y., Nierop, K.G.L. (2006) The contribution of polyhydroxyl aromatic compounds to tetramethylammonium hydroxide lignin-based proxies. Organic Geochemistry, 36, 711-727. 

19). PAhn, M.Y., Filley, T.R., Jafvert, C.T. (2006) Birnessite mediated debromination of decabromodiphenyl ether. Chemosphere 64 (11): 1801-1807  

18). PAhn, M.Y., Filley, T.R., Jafvert C.T. (2006) Photodegradation of decabromodiphenyl ether adsorbed onto clay minerals, metal oxides, and sediment. Environmental Science and Technology 40 (1): 215-220. 

17). Filley, T.R., Boutton, T.W. (2006) Ecosystems in flux: Molecular and stable isotope assessments of soil organic matter storage and dynamics. Soil Biology and Biochemistry 38 (11): 3181-3183 (commentary). 

16). Dalzell, B.J., Filley, T.R., Harbor, J.M. (2005) Flood pulse influences on terrestrial organic matter export from an agricultural watershed.  Journal of Geophysical Research: Biogeosciences,  

15). Cody, G.D., Boctor, N.Z., Brandes, J.A., Filley, T.R., Hazen, R.M. and Yoder, Jr. H.S. (2004)  Assaying the catalytic potential of transition metal sulfides for abiotic carbon fixation. Geochimica et Cosmochimica Acta, 68, 2185-2196. 

14). Cooper, W.T., Stenson, A., Milligan, L., Chanton, J., Dittmar, T., Filley, T.R. (2004) Ultrahigh resolution mass spectrometry of aquatic humic substances: recurring molecular themes and polymeric character. Humic Substances and Soil and Water Environment, 257-260. 

13). Grannas, A.M., Shepson, P.B., Filley, T.R. (2004) Photochemistry and nature of organic matter in Arctic and Antarctic snow. Global Biogeochemical Cycles 18 (1):  doi:10.1029/2003GB002133. 

12). Bianchi, T.S., Filley, T.R., PDria, K., and Hatcher, P.G. (2004) Temporal Variability in Sources of Dissolved Organic Carbon in the Lower Mississippi River. Geochimica et Cosmochimica Acta 66, 959-967. 

11). Filley, T.R (2003) Assessment of fungal wood decay by lignin analysis using tetramethyl-ammonium hydroxide (TMAH) and C-13-labeled TMAH thermochemolysis In: Wood Deterioration and Preservation-Advances in our Changing World. Editors: Goodell B; Nicholas DD; Schultz TP, ACS SYMPOSIUM SERIES: 845, 119-139. 

10). Filley, T.R., Freeman, K.H., Wilkin, R.T., et al., (2002) Biogeochemical controls on reaction of sedimentary organic matter and aqueous sulfides in Holocene sediments of Mud Lake, Florida, Geochimica et Cosmochimica Acta ,66, 937-954 

9). Filley, T.R., Cody, G.D., Goodell, B. et al. (2002) Lignin demethylation and polysaccharide decomposition in spruce sapwood degraded by brown rot fungi.  Organic Geochemistry, 33, 111-124. 

8). Filley, T.R., Blanchette, R.A., Simpson, E., Fogel, M. (2001) Nitrogen cycling by wood decomposing soft-rot fungi in the “King Midas tomb,” Gordion, Turkey. Proceedings of the National Academy of Sciences-USA, 98, 13346-13350. 

7). Filley, T.R., Freeman, K.H., Bianchi, T.S., Hatcher, P. (2001) An isotopic biogeochemical assessment of shifts in organic matter input to Holocene sediments from Mud Lake, Florida Organic Geochemistry 32,  1153-1167 

6). Hazen, R.M., Filley, T.R., Goodfriend G.A. (2001) Selective adsorption of L- and D-amino acids on calcite: Implications for biochemical homochirality Proceedings of the National Academy of Sciences-USA, 98, 5487-5490. 

5). Cody, G.D., Boctor, N.Z., Filley, T.R., et al. (2000) Primordial carbonylated iron-sulfur compounds and the synthesis of pyruvate. Science. 289, 1337-1340. 

4). Filley, T.R., Hatcher, P.G., Shortle, W.C., et al. (2000) The application of C-13-labeled tetramethylammonium hydroxide (C-13-TMAH) thermochemolysis to the study of fungal degradation of wood.  Organic Geochemistry, 31, 181-198. 

3). Filley, T.R., Minard, R.D., Hatcher, P.G. (1999) Tetramethylammonium hydroxide (TMAH) thermochemolysis: proposed mechanisms based upon the application of C-13-labeled TMAH to a synthetic model lignin dimer. Organic Geochemistry, 30, 607-621. 

2). Filley, T.R., Filley, R.M., Eser, S., Freeman, K. (1997) Compound-specific isotope analyses of products from carbonization of a fluid catalytic cracking decant oil doped with C-13-enriched 4-methyldibenzothiophene.  Energy and Fuels, 11, 637-646  

1). Filley, T.R., Freeman, K.H., Hatcher, P.G. (1996)  Carbon isotope relationships between sulfide-bound steroids and their proposed sterol precursors in the sediments from Santa Barbara Basin, CA. Organic Geochemistry, 25, 367-377.