Yale School of Forestry & Environmental Studies
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Faculty / Ladder

Mark Bradford

Assistant Professor of Terrestrial Ecosystem Ecology

Selected Publications

Refereed articles since 2008
 


  1. Bradford, M.A., Keiser, A.D., Davies, C.A., Mersmann, C.A., Strickland, M.S. (2013) Empirical evidence that soil carbon formation from plant inputs is positively related to microbial growth. Biogeochemistry, DOI: 10.1007/s10533-012-9822-0(in the new fast-breaking Biogeochemistry Letters format)
  2. Crowther, T.M., Bradford M.A. (2013) Thermal acclimation in widespread heterotrophic soil microbes. Ecology Letters, DOI: 0.1111/ele.12069.
  3. Schmitz, O.J., Bradford, M.A., Strickland, M.S., Hawlena, D. (2013) Linking predation risk, herbivore physiological stress and microbial decomposition of plant litter. Journal of Visualized Experiments (in press), e50061, doi:10.3791/50061.
  4. Warren, R.J, Bahn, V., Bradford, M.A. (2012) Decoupling litter barrier and soil moisture influences on the establishment of an invasive grass.Plant and Soil. DOI: 10.1007/s11104-012-1477-z (2013 print publication anticipated).
  5. Bradford, M.A., Wood, S.A., Maestre, F.T., Reynolds, J.F., Warren, R.J. (2012) Contingency in ecosystem but not plant community response to multiple globalchange factors. New Phytologist, 196, 462-471 (featured in a commentary of the same issue).
  6. Bradford, M.A., Fierer, N. (2012) The biogeography of microbial communities and ecosystem processes: Implications for soil and ecosystem models. In Wall, D.H., Bardgett, R.D., Behan-Pelletier, V., Herrick, J.E., Jones, H., Ritz, K., Six, J., Strong, D.R., and van der Putten, W.H.(eds.) Soil Ecology and Ecosystem Services. pp. 189-200. Oxford University Press, UK (Invited).
  7. Bradford, M.A., Strickland, M.S., Devore, J.L., Maerz, J.C. (2012) Root carbon flow from an invasive plant to belowground foodwebs. Plant and Soil, 359, 233-244.
  8. Bradford M.A., Warren, R.J. (2012) Terrestrial Biodiversity and Climate Change. In Freedman, B.(ed.) Global Environmental Change: SpringerReference (www.springerreference.com). Springer-Verlag Berlin Heidelberg, 0. DOI: 10.1007/SpringerReference_300078 2012-07-03 10:08:34 UTC (Invited).
  9. Carrillo, Y. Ball, B.A., Strickland, M.S., Bradford, M.A.(2012) Legacies of plant litter on carbon and nitrogen dynamics and the role of the soil community. Pedobiologia, 55, 185-192.
  10. Covey, K.R., Wood, S.A., Warren, R.J., Lee, X., Bradford, M.A. (2012)Elevated methane concentrations in trees of an upland forest. Geophysical Research Letters, 39,L15705, doi:10.1029/2012GL052361.
  11. Fierer, N., Lauber, C.L., Ramirez, K.S., Zaneveld, J., Bradford, M.A., Knight R. (2012) Comparative metagenomic, phylogenetic, and physiological analyses of soil microbial communities across nitrogen gradients. The ISME Journal, 6, 1007-1017.
  12. Hawlena, D., Strickland, M.S., Bradford, M.A., Schmitz, O.J. (2012) Fear of predation slows plant-litter decomposition. Science, 336, 1434-1438.
  13. Kramer, T.D., Warren, R.J., Tang, Y., Bradford, M.A.** (2012) Grass invasions across a regional gradient are associated with declines in belowground carbon pools. Ecosystems, 15, 1271-1282.
  14. Price, S.P., Bradford, M.A., Ashton, M.S. Characterizing organic carbon stocks and flows in forest soils. (2012) In Ashton, M.S., Tyrrell, M.L., Spalding, D., Gentry, B. (eds.) Managing Forest Carbon in a Changing Climate. pp. 7-30. Springer, Netherlands.
  15. Strickland, M.S., Wickings, K.,Bradford, M.A. (2012)The fate of glucose, a low molecular weight carbon compound of root exudates, in the belowground foodweb of forests and pastures. Soil Biology & Biochemistry, 49, 23-29.
  16. Tang, Y., Warren, R.J., Kramer, T.D., Bradford, M.A. (2012) Plant invasion impacts on arthropod abundance, diversity and feeding consistent across environmental and geographic gradients. Biological Invasions, 14, 2625-2637.
  17. Treseder, K.K., Balser, T.C., Bradford, M.A., Brodie, E.L., Dubinsky, V.T., Eviner, V.T., Hofmockel, K.S., Lennon, J. T., Levine, U.Y., MacGregor, B.J., Pett-Ridge, J., Waldrop, M.P. (2012) Integrating microbial ecology into ecosystem models: challenges and priorities. Biogeochemistry, 109, 7-18.
  18. Warren, R.J, Bahn, V., Bradford, M.A. (2012) The interaction between propagule pressure, habitat suitability and density-dependent reproduction in species invasion. Oikos, 121, 874-881.
  19. Warren, R.J, Bradford, M.A. (2012) Ant colonization and coarse woody debris decomposition in temperate forests. Insectes Sociaux, 59, 215-221.
  20. Warren, R.J, Giladi, I., Bradford, M.A. (2012) Environmental heterogeneity and interspecific interactions influence nest occupancy by key seed-dispersing ants. Environmental Entomology, 41, 463-468.
  21. Carrillo, Y. Ball, R.A., Bradford, M.A., Jordan,C.F., Molina, M.(2011) Soil fauna alter the effects of litter composition on nitrogen cycling in a mineral soil. Soil Biology & Biochemistry, 43, 1440-1449.
  22. Conant, R.T., Ryan, M.G. Ågren, G.I., Birge, H.E., Davidson, E.A., Eliasson, P.E., Evans, S.E. Frey, S.D., Giardina, C.P., Hopkins, F., Hyvönen, R., Kirschbaum, M.U.F., Lavallee, J.M., Leifeld, J., Parton, W.J., Steinweg, J.M., Wallenstein, M.D., Wetterstedt, J.Å.M., Bradford, M.A. (2011) Temperature and soil organic matter decomposition rates – synthesis of current knowledge and a way forward. Global Change Biology, 17, 3392-3404.
  23. Fraterrigo, J.M., Keiser, A.D., Strickland, M.S., Bradford, M.A. (2011) Nitrogen uptake and preference in a forest understory following invasion by an exotic grass. Oecologia, 167, 781-791.
  24. Goldfarb, K.C., Karaoz, U., Hanson, C.A., Santee, C.A., Bradford, M.A., Treseder, K.K., Wallenstein, M.D., Brodie, E.L. (2011) Differential growth responses of soil bacterial taxa to carbon substrates of varying chemical recalcitrance. Frontiers in Microbiology, 2, 94 [doi: 10.3389/fmicb.2011.00094]
  25. Keiser, A.D., Strickland, M.S., Fierer, N., Bradford, M.A. (2011)The effect of resource history on the functioning of soil microbial communities is maintained across time. Biogeosciences, 8, 1477-1486 (Part of Special Feature – Biotic interactions and biogeochemical processes in the soil environment).
  26. Strickland, M.S., Devore, J.L., Maerz, J.C., Bradford, M.A. (2011) Loss of faster-cycling soil carbon pools following grass invasion across multiple forest sites. Soil Biology & Biochemistry,43, 452-454.
  27. Warren, R.J, Bahn, V., Bradford, M.A. (2011) Temperature cues phenological synchrony in ant-mediated seed dispersal. Global Change Biology, 17, 2444-2454.
  28. Warren, R.J., Bahn, V., Kramer, T.D., Tang, Y., Bradford, M.A. (2011) Performance and reproduction of an exotic invader across temperate forest gradients. Ecosphere, 2, 14 [doi:10.1890/ES10-00181.1]
  29. Warren, R.J, Bradford, M.A. (2011) The shape of things to come: woodland herb niche contraction begins during recruitment in mesic forest microhabitat. Proceedings of the Royal Society B: Biological Sciences, 278, 1390-1398.
  30. Warren, R.J., Skelly, D.K., Schmitz, O.J., Bradford, M.A. (2011) Universal ecological patterns in college basketball communities. PLoS One, 6,e17342 [doi:10.1371/journal.pone.0017342]
  31. Warren, R.J., Wright, J.P., Bradford, M.A. (2011)The putative niche requirements and landscape dynamics of Microstegium vimineum: an invasive Asian grass. Biological Invasions, 13, 471-483.
  32. Allison, S.D., Wallenstein, M.D., Bradford, M.A. (2010) Soil carbon response to warming is dependent on microbial physiology. Nature Geoscience, 3, 336-340 (Featured in ‘News and Views’ of same edition).
  33. Bradford, M.A., Devore, J.L., Maerz, J.C., McHugh, J.V., Smith, C., Strickland, M.S. (2010) Native, insect herbivore communities derive a significant proportion of their carbon from a widespread invader of forest understories. Biological Invasions, 12, 721-724.
  34. Bradford, M.A., Watts, B.W.*, Davies, C.A. (2010) Thermal adaptation of heterotrophic soil respiration in laboratory microcosms. Global Change Biology, 16, 1576-1588.
  35. Ramirez, K.S., Lauber, C.L., Knight, R., Bradford, M.A., Fierer, N. (2010) Consistent effects of nitrogen fertilization on soil bacterial communities in contrasting systems. Ecology 91, 3463-3470.
  36. Strickland, M.S.,Callaham, M.A. Jr., Davies, C.A., Lauber, C.L., Ramirez, K., Richter, D.D. Jr., Fierer, N., Bradford, M.A. (2010) Rates of in situ carbon mineralization in relation to land-use, microbial community and edaphic characteristics. Soil Biology & Biochemistry, 42, 260-269.
  37. Strickland, M.S.,DeVore, J. L., Maerz, J. C., Bradford, M.A. (2010) Grass invasion of a hardwood forest is associated with declines in belowground carbon pools. Global Change Biology, 16, 1338-1350.
  38. Warren, R.J, Bradford, M.A. (2010) Seasonal climate trends, the North Atlantic Oscillation, and salamander abundance in the southern Appalachian mountain region. Journal of Applied Meteorology and Climatology, 49, 1597-1603.
  39. Warren, R.J., Giladi, I., Bradford, M.A. (2010)Ant-mediated seed dispersal does not facilitate niche expansion. Journal of Ecology, 98, 1178-1185.
  40. Ball, B.A., Bradford, M.A., Coleman, D.C., Hunter, M.D. (2009) Linkages between below- and aboveground communities: decomposer responses to simulated tree species loss are largely additive. Soil Biology & Biochemistry, 41, 1155–1163.
  41. Ball, B.A., Bradford, M.A., Hunter, M.D. (2009) Nitrogen and phosphorus release from mixed litter layers is lower than predicted from single species decay. Ecosystems, 12, 87-100.
  42. Bradford, M.A., Wallenstein, M.D., Allison, S.D., Treseder, K.K., Frey, S.D., Watts, B.W.*, Davies, C.A., Maddox, T.R., Melillo, J.M., Mohan, J.E., Reynolds, J.F. (2009) Decreased mass specific respiration under experimental warming is robust to the microbial biomass method employed. Ecology Letters, 12, E15-E18.
  43. Fierer, N., Strickland, M.S., Liptzin, D., Bradford, M.A., Cleveland, C. (2009) Global patterns in belowground communities. Ecology Letters, 12, 1238-1249.
  44. Grandy, A.S., Strickland, M.S., Lauber, C.L.,Bradford, M.A., Fierer, N. (2009) The influence of microbial communities, management, and soil texture on soil organic matter chemistry. Geoderma, 150, 278-286.
  45. Hamilton, H.C., Strickland, M.S., Wickings, K., Bradford, M.A., Fierer, N. (2009) Surveying soil mesofaunal communities using a direct molecular approach. Soil Biology & Biochemistry, 41, 1311–1314.
  46. Strickland, M.S., Lauber, C., Fierer, N., Bradford, M.A. (2009) Testing the functional significance of microbial community composition. Ecology, 90, 441-451(Received the Ecological Society of America Biogeosciences section ‘Elizabeth Sulzman’ award)
  47. Strickland, M.S., Osburn, E.*, Lauber, C., Fierer, N., Bradford, M.A. (2009) Litter quality is in the eye of the beholder: initial decomposition rates as a function of inoculum characteristics. Functional Ecology, 23, 627-636.
  48. van der Putten, W.H., Bardgett, R.D., de Ruiter, P.C., Hol, W.H.G., Meyer, K.M., Bezemer, T.M., Bradford, M.A., Christensen, S., Eppinga, M.B., Fukami, T., Hemerik, L., Molofsky, J., Schädler, M., Scherber, C., Strauss, S.Y., Vos, M., Wardle, D.A. (2009) Empirical and theoretical challenges in aboveground-belowground ecology. Oecologia,161, 1-14.
  49. Ball, B.A., Hunter, M.D., Kominoski, J.S., Swan, M.S., Bradford, M.A. (2008) Consequences of non-random species loss for decomposition dynamics: Experimental evidence for additive and non-additive effects. Journal of Ecology 96, 303-313.
  50. Bradford, M.A., Fierer, N., Jackson, R.B., Maddox, T.R., Reynolds, J.F. (2008) Nonlinear root-derived carbon sequestration across a gradient of nitrogen and phosphorous deposition in experimental mesocosms. Global Change Biology 14, 1113-1124.
  51. Bradford, M.A., Gancos, T.*, Frost C.J. (2008) Slow-cycle effects of foliar herbivory alter the nitrogen acquisition and population size of Collembola. Soil Biology & Biochemistry 40, 1253-1258.
  52. Bradford, M.A., Davies, C.A., Frey, S.D., Maddox, T.R., Melillo, J.M., Mohan, J.E., Reynolds, J.F., Treseder, K.K., Wallenstein, M.D.  (2008) Thermal adaptation of soil microbial respiration to elevated temperature. Ecology Letters, 11, 1316-1327.
  53. Bradford, M.A., Fierer, N., Reynolds, J.F. (2008) Soil carbon stocks in experimental mesocosms are dependent on the rate of labile carbon, nitrogen and phosphorous input to soils. Functional Ecology, 22, 964-974 (Special Feature Article – Belowground Responses to Climate Change).
  54. Hanson, C.A., Allison, S.D., Bradford, M.A., Wallenstein, M.D., Treseder, K.K.  (2008) Fungal taxa target different carbon sources in forest soil. Ecosystems, 11, 1157–1167.
  55. Lauber, C.L., Strickland, M.S., Bradford, M.A., Fierer, N. (2008) The influence of soil properties on the structure of bacterial and fungal communities across land-use types. Soil Biology & Biochemistry, 40, 2407–2415.
  56. Manning, P., Saunders, M., Bardgett, R.D., Bonkowski, Bradford, M.A., M., Ellis, R.J., Kandeler, E. Marhan, S., Tscherko, D. (2008) The direct and indirect effects of nitrogen deposition on litter decomposition. Soil Biology & Biochemistry, 40, 688-698.
  57. Wall, D.H., Bradford, M.A., St. John, M.G., Trofymow, J.A., Behan-Pelletier, V., Bignell, D.E., Dangerfield, J.M., Parton, W.J., Rusek, J., Voigt, W., Wolters, V., Zadeh, H., GLIDE Working Group (2008) Global decomposition experiment shows soil animal impacts on decomposition are climate dependent. Global Change Biology, 14, 2661–2677.

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