Woody plant encroachment into grasslands:  Impacts on landscape-scale 3-dimensional spatial patterns of soil C, N, and P storage and dynamics (details)

Yong Zhou |  Dr. Thomas Boutton

Deep rooting in seasonally dry ecosystems (CAVES) (details)

Rachel Adams  |  Dr. Jason West  

Savanna C cycle processes (SVNA) (details)

Ane Fortes   |   Nicole Havrilchak   |  Harrison Raub   |  Toby SantaMaria   |   Dr. Jason West 


Identifying sources of N2O production in agroecosystems:  A step towards more effective mitigation (details)

Dr. Jason West  | Dr. Thomas Boutton  |  Dr. Ayumi Hyodo | Dr. Frank Hons |  Dr. J. Sparks | Tokyo Institute of Technology

Evaluating the temperature sensitivity of n-alkane biomarkers in Sphagnum magellanicum (details)

Dr. Jason West  |  Dr. Julie Loisel  | Dr. Ayumi Hyodo  |  Julia Hillin  |  Dr. Brendan Roark  | Dale Kruse

Stable isotope partnership for ecology, environment, and energy research (details)

Dr. Ethan Grossman  |  Dr. Brendan Roark |  Dr. Thomas Boutton  |  Dr. Niall Slowey  |  Dr. Jason West  | Dr. Ayumi Hyodo

Quercus nigra tree-ring width chronologies and stable carbon isotopic composition reveal impacts of hydro-climate change on bottomland hardwood forests of South-Central Texas

Ajinkya Deshpande  |  Dr. Georgianne Moore  |  Dr. Thomas Boutton  |  Dr. Ayumi Hyodo 

Isotopic evapotranspiration partitioning in tallgrass prairie under woody plant encroachment

Xiangmin Sun  |  Dr. Brad Wilcox  | Dr. Jason West  | Dr. Ayumi Hyodo

Commercial forest species and climate change (details)

Dr. Jason West  |  Dr. Jason Vogel  |  Dr. Jean-Christophe Domec  |  Dr. Carol Loopstra  |  Dr. Claudio Casola  |  PINEMAP 

Hydrologic influences on soil organic carbon loss monitoring using stable isotopes (details)

Dr. IfteKhar Ahmed  |  Dr. Thomas Boutton  |  Dr. K.B. Strom

Evaluating eXtraction Techniques on Signatures Of Isotopically Labeled Soil water (EXT-SOILS)

Rachel AdamsDr. Ayumi Hyodo | Dr. Jason West | Dr. Thomas Boutton  |  Toby SantaMaria

Long-term Evaluation of Alkane Variation for Ecohydrological Signatures (LEAVES)

Dr. Ayumi Hyodo |  Dr. Jason West |  Rachel Adams




Stable Isotopes for Biosphere Science Laboratory Peer-reviewed papers (2012-present)


  1. Zhou Y, Watts SE, Boutton TW, Archer SR. 2019. Root density distribution and biomass allocation of co-occurring woody plants on contrasting soils in a subtropical savanna parkland. Plant and Soil (revised and resubmitted).
  2. Mushinski RM, Boutton TW, Gentry T.   2019.  Forest organic matter removal leads to long-term reductions in bacterial and fungal abundance.  Applied Soil Ecology (in press).
  3. Hyodo A, Malghani S, Zhou Y, Mushinski RM, Toyoda S, Yoshida N, Boutton TW, West JB.   2019.  Biochar amendment suppresses N2O emissions but has no impact on 15N site preference in an anaerobic soilRapid Communications in Mass Spectrometry 33: 165-175.
  4. Bai E, Wang H, Hu G, Xu W, Boutton TW, Zhuge Y.   2018.  Effects of nitrogen addition on soil organic carbon mineralization after maize stalk addition.  European Journal of Soil Biology 89: 33-38.
  5. Mushinski RM, Gentry T, Boutton TW.   2018.  Organic matter removal associated with forest harvest leads to decade-scale alterations in soil fungal communities and functional guilds.  Soil Biology and Biochemistry 127: 127-136.
  6. Hines S, Fulbright T, Ortega A, Hewitt D, Wester DB, Alfonso-Ortega-S J, Boutton TW, Fulbright T.   2018.  Does cattle grazing increase forbs preferred by deer on semiarid rangelands?  Rangeland Ecology and Management (submitted, in review).
  7. Besnard, J., Zhao, C., Avice J-C., Vitha, S., Hyodo, A., Pilot, G., Okumoto, A. 2018. Arabidopsis UMAMIT 24 and 25 are amino acid exporters involved in transfer of amino acids to the seed Journal of Experimental Botany 69: 5221–5232.
  8. Antunes, C, S Chozas, J West, M Zunzunegui, M Cruz Diaz Barradas, S Vieira, C Máguas. 2018. Groundwater lowering drives ecophysiological adjustments of woody vegetation in a semi-arid coastal ecosystem. Global Change Biology 24:4894-4908
  9. Zhou Y, Boutton TW, Wu XB. 2018. Soil C:N:P stoichiometry response to vegetation change from grassland to woodlandBiogeochemistry 140: 341-357.
  10. Filho, RA, MB Freire, B Wilcox, J West, F Freire, F Marques. 2018. Recovery of carbon stocks in deforested Caatinga dry forest soils requires at least 60 years. Forest Ecology and Management 407: 210-220.
  11. Zhou Y, Boutton TW, Wu XB.   2018.  Soil phosphorus does not keep pace with soil carbon and nitrogen accumulation following woody encroachmentGlobal Change Biology 24: 1992-2007.
  12. Zhou Y, Boutton TW, Wu XB, Wright C, Dion A.  2018.  Rooting strategies in a subtropical savanna: a landscape scale three-dimensional assessmentOecologia  186: 1127-1135.
  13. Zhou Y, Mushinski RM, Hyodo A, Wu XB, Boutton TW.  2018.  Vegetation change alters soil profile δ15N values at the landscape scale. Soil Biology and Biochemistry 119:  110-120.
  14. Mushinski RM, Gentry T, Zhou Y, Boutton TW.   2018.  Bacterial metataxonomic profile and putative functional behavior associated with C and N cycle processes remain altered for decades after forest harvestSoil Biology and Biochemistry 119: 184-193.
  15. Zhou Y, Boutton TW, Wu XB.  2018.  Woody plant encroachment amplifies spatial heterogeneity of soil phosphorus to considerable depthEcology  99: 136-147.
  16. Filho, RA, MB Freire, B Wilcox, J West, F Freire, F Marques. 2017. Recovery of carbon stocks in deforested Caatinga dry forest soils requires at least 60 years. Forest Ecology and Management 407(1):210-220.
  17. Gimeno, TE, J Ogée, J Royles, Y Gibon, JB West, R Burlett, SP Jones, J Sauze, S Wohl, C Benard, B Genty and L Wingate. 2017. Bryophyte gas-exchange dynamics along varying hydration status reveal a significant COS sink in the dark and COS source in the light. New Phytologist
  18. Lu, M, K Krutovsky, CD Nelson, JB West, N Reilly, CA Loopstra. 2017. Association genetics of growth and adaptive traits in loblolly pine (Pinus taeda L.) using whole exome-discovered polymorphisms. Tree Genetics and Genomes
  19. Wonkka, CL, JB West, D Twidwell, WE Rogers. 2017. Grass mortality and turnover following core rangeland restoration practices. Rangeland Ecology and Management, 70(3):290-300
  20. Hinson AL, Feagin RA, Eriksson M, Najjar RG, Herrmann M, Windham-Myers L, Bianchi TS, Holmquist JR, Kroeger KD, Gonneea M, Kemp M, Hutchings JA, Crooks S, Boutton TW.   2017.  The spatial distribution of soil organic carbon in tidal wetland soils of the continental United StatesGlobal Change Biology 23: 5468-5480.
  21. Lewis KL, Foster JL, Hons FM, Boutton TW.   2017.  Initial aggregate formation and soil carbon storage from lipid-extracted algae amendment. AIMS Environmental Science 4: 743-762.
  22. Zhou Y, Boutton TW, Wu XB.  2017.  Soil carbon response to woody plant encroachment: Importance of spatial heterogeneity and deep soil storageJournal of Ecology 105: 1738–1749.
  23. Mushinski RM, Gentry TJ, Dorosky RJ, Boutton TW.  2017.  Forest harvest intensity and soil depth alter inorganic nitrogen pool sizes and ammonia oxidizer community composition.  Soil Biology and Biochemistry 112: 216-227.
  24. Mushinski RM, Boutton TW, Scott DA.  2017.  Decadal-scale changes in forest soil carbon and nitrogen storage are influenced by organic matter removal during timber harvest. Journal of Geophysical Research-Biogeosciences 122:  846–862.
  25. Zhou Y, Boutton TW, Wu XB, Yang C.   2017.  Spatial heterogeneity of subsurface soil texture drives landscape-scale patterns of woody patches in a subtropical savannaLandscape Ecology  32: 915–929.
  26. Zhang, Y, JG Vogel, C Meek, R Will, D Wilson, JB West. 2016. Wood decomposition by microbes and macroinvertebrates, and soil CO2 efflux vary in response to throughfall reduction and fertilization in a loblolly pine (Pinus taeda L.) plantation. Forest Ecology and Management 382:10-20
  27. Cerling, TE, JE Barnette, GJ Bowen, LA Chesson, JR Ehleringer, CH Remien, P Shea, BJ Tipple, JB West. 2016. Forensic stable isotope biogeochemistryAnnual Review of Earth and Planetary Sciences DOI: 10.1146/annurev-earth-060115-012303
  28. Cernusak, LA, MM Barbour, AW Cheesman, NB English, TS Feild, BR Helliker, MM Holloway-Phillips, JAM Holtum, A Kahmen, FA McInerney, NC Munksgaard, KA Simonin, X Song, H Stuart-Williams, JB West, GD Farquhar. 2016. Stable isotopes in leaf water of terrestrial plants. Plant Cell & Environment 39:1087-1102
  29. Wonkka, CL, D Twidwell, JB West, WE Rogers. 2016. Shrubland resilience varies across soil types: implications for operationalizing resilience in ecological restoration. Ecological Applications 26(1):128-145
  30. Creamer CA, Filley TR, Boutton TW, Rowe H.  2016.  Grassland to woodland transitions: Dynamic response of microbial community structure and carbon use patterns. Journal of Geophysical Research-Biogeosciences 121: 1675-1688.
  31. Soper FM, Boutton TW, Groffman PM, Sparks JP.  2016.  Nitrogen trace gas fluxes from a semi-arid subtropical savanna under woody legume encroachmentGlobal Biogeochemical Cycles 30: 614-628.
  32. Moore, GW, F Li, L Kui, JB West. 2015. Flood water legacy as a persistent source for riparian vegetation during prolonged drought: an isotopic study of Arundo donax on the Rio Grande. Ecohydrology DOI: 10.1002/eco.1698
  33. Will, R, Fox, TR, Akers, M, Domec, J-C, Gonzalez-Benecke, C, Jokela, EJ, Kane, M, Laviner, MA, Lokuta, G, Markewitz, D, McGuire, M, Meek, C, Noormets, A, Samuelson, L, Seiler, J, Strahm, B, Teskey, R, Vogel, J, Ward, E, West, J, Wilson, D, Martin, T. 2015. A Range-wide Experiment to Investigate Nutrient and Soil Moisture Interactions in Loblolly Pine Plantations. Forests 6(6), 2014-2028
  34. Pyle LA, Hockaday WC, Boutton TW, Zygourakis K, Kinney TJ, Masiello CA. 2015. Chemical and isotopic thresholds in charring: Implications for the interpretation of charcoal mass and isotopic dataEnvironmental Science & Technology 49: 14057-14064.
  35. Foote JA, Boutton TW, Scott DA. 2015.  Soil C and N storage and microbial biomass in US southern pine forests: Influence of forest management. Forest Ecology and Management 355: 48-57.
  36. Wang H, Boutton TW, Xu W, Hu G, Jiang P, Bai E.  2015.  Quality of fresh organic matter affects priming of soil organic matter and substrate utilization patterns of microbesScientific Reports 5:10102, doi: 10.1038/srep10102
  37. Kulawardhana RW, Feagin RA, Popescu SC, Boutton TW, Yeager KM, Bianchi TS.  2015.  The role of elevation and relative sea-level history in determining carbon distribution in Spartina alterniflora dominated salt marshes. Estuarine, Coastal, and Shelf Science 154: 48-57.
  38. Soper FM, Boutton TW, Sparks JP.  2015.  Investigating patterns of symbiotic nitrogen fixation during vegetation change from grassland to woodland using fine scale δ15N measurements.  Plant, Cell and Environment 38: 89-100.
  39. Karim A, Ahmed I, Boutton TW, Strom KB, Fox JF.  2015.  Quantification of uncertainty in sediment provenance models.  IN:  World Environmental and Water Resources Congress:  Floods, Droughts, and Ecosystems, pp. 1790-1799, K Karvazy and VL Webster, Eds.  American Society of Civil Engineers, Reston, VA.
  40. Colón-Rivera, RJ, RA Feagin, JB West, NB López, RJ Benítez-Joubert. 2014. Hydrological modification, saltwater intrusion, and tree water use of a Pterocarpus officinalis swamp in Puerto Rico. Estuarine, Coastal and Shelf Science 147:156-167
  41. Torres, Z., Mora, A.M., Taylor, R.J., Alvarez-Bernal, D., Buelna, R.H., and Hyodo, A. 2014. An assessment of mercury pollution in the Lake Chapala ecosystem, Mexico, Environmental Science and Technology. 48, 11, 6359-6365
  42. Scott A, Eaton B, Foote J, Vierra B, Blank G, Boutton T, Johnsen K. 2014.  Soil ecosystem services in loblolly pine plantations 15 years after harvest, compaction, and vegetation control. Soil Science Society of America Journal 78: 2032-2040.
  43. Ansley RJ, Boutton TW, Jacoby PW.  2014.  Root biomass and distribution patterns in a semi-arid mesquite savanna:  Responses to long-term rainfall manipulation.   Rangeland Ecology and Management 67: 206-218.
  44. Dou F, Hons FM, Wright AL, Boutton TW, Yu X.  2014.  Soil carbon sequestration in sorghum cropping systems: Evidence from stable isotopes and aggregate size fractionation. Soil Science 179: 68-74.
  45. Ahmed I, Boutton TW, Karim A, Strom KB, Fox JF.  2014.  Monitoring soil organic carbon loss via erosion using stable isotopes. IN:  Soil Carbon Sequestration for Climate, Food Security, and Ecosystem Services, pp. 130-138, G Halldorsson, F Bampa, AB Thorsteinsdottir, BD Sigurdsson, L Montanarella, A Arnalds, Eds.  JRC Science and Policy Reports, European Union, Luxembourg.
  46. Kui, L, F Li, G Moore, J West. 2013. Can the riparian invader, Arundo donax, benefit from clonal integration? Weed Research 53(5):370-377
  47. Liu F, Archer SR, Bai E, Boutton TW, Wu XB, Gelwick F.  2013.  Woody plant encroachment into grasslands: Spatial patterns of functional group distribution and community development.   PLoS ONE  8(12): e84364. doi:10.1371/journal.pone.0084364 .
  48. Bai E, Boutton TW, Liu F, Wu XB, Archer SR.  2013.  15N isoscapes in a subtropical savanna parkland: Role of topography and vegetation dynamicsEcosphere 4(1):4. /ES12-00187.1
  49. Creamer CA, Filley TR, Olk DC, Stott DE, Boutton TW, Dooling V.  2013.  Changes to soil organic N dynamics with leguminous woody plant encroachment into grasslands.   Biogeochemistry 113: 307-321.
  50. Creamer CA, Filley TR, Boutton TW.  2013.  Long-term incubations of size-separated soil fractions to inform soil organic carbon decay dynamics. Soil Biology and Biochemistry 57: 496-503.
  51. Creamer CA, Filley TR, Olk DC, Plante AF, Peltre C, Top SM, Boutton TW.  2012.  Degree of woody encroachment into grasslands controls soil carbohydrate and amino compound changes during long term laboratory incubationOrganic Geochemistry 52: 23-31.
  52. Hall SA, Boutton TW, Lintz CR, Baugh TG.  2012.  New correlation of stable carbon isotopes with changing late-Holocene fluvial environments in the Trinity River basin of Texas, USA. The Holocene  22: 541-549.
  53. Bai E, Boutton TW, Liu F, Wu XB, Archer SR, Hallmark CT.  2012.  Spatial variation of soil δ13C and its relation to carbon input and soil texture in a subtropical lowland woodland. Soil Biology and Biochemistry 44: 102-112.
  54. Bai E, Boutton TW, Liu F, Wu XB, Archer SR.  2012.  Spatial patterns of soil δ13C reveal grassland-to-woodland successional processesOrganic Geochemistry 42: 1512-1518.
  55. Liu F, Wu XB, Bai E, Boutton TW, Archer SR.  2012.  Impact of woody proliferation on soil carbon in a subtropical savanna: Spatial distribution, uncertainty and sampling strategy.  IN: Ecological Vision: Challenge, Response and Strategy,  X Han and Y Wu, Eds.  Higher Education Press, Beijing.



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Department of Ecology and Conservation Biology

Texas A&M University

2258 TAMU

534 John Kimbrough Blvd

College Station, TX 77843-2258

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