Go to www.bradfordlab.yale.edu for latest pubs






note: please request the pdf of a publication if you cannot access it by emailing Mark.

Just out/ accepted:

Kuebbing, S.E., Maynard, D.S., Bradford, M.A. (2018 for print) Linking functional diversity and ecosystem processes: a framework for using functional diversity metrics to predict the ecosystem impacts of functionally unique species. Journal of Ecology, doi: 10.1111/1365-2745.12835 (early online 2017).

Kuebbing, S.E., Reimer, A.P., Rosenthal, S.A., Feinberg, G., Leiserowitz, A., Lau, J.A., Bradford, M.A. (2018) Long-term research in ecology and evolution: A survey of challenges and opportunities. Ecological Monographs, in press.

Oldfield, E.E., Wood, S.A. & Bradford, M.A. (2018 for print) Direct effects of soil organic matter on productivity mirror those observed with organic amendments. Plant and Soil, doi: 10.1007/s11104-017-3513-5 (early online 2017).

Doroski, D.A., Felson, A.J., Bradford, M.A., Ashton, M.P., Oldfield, E.E., Hallett, R.A., Kuebbing, S.E. (2018) Factors driving natural regeneration beneath a planted urban forest. Urban Forestry & Urban Greening, 29, 238-247.

Published/ in press:

King, J.R., Warren, R.J., Maynard, D.S., Bradford, M.A. (2018) Ant ecology and impacts in dead wood. In Ulyshen, M. (ed.) The diversity, ecology and conservation of insect life in dead wood, in press. Springer (Zoological Monographs series) (Invited).

Wood, S.A., Bradford, M.A. (2018) Leveraging new understanding of belowground foodwebs for ecological intensification of agriculture. In Singh, B. (ed.) Soil Carbon Storage: Modulators, management, and modeling, in press. Elsevier Publication (Invited).


2017 Publications

Bradford, M.A. (2017). Soil carbon: A leaky sink. Nature Climate Change 7, 475-476.

Bradford, M.A., Veen, G.F.C., Bonis, A., Bradford, E.M., Classen, A.T., Cornelissen, J.H.C., Crowther, T.W., De Long, J.R., Kardol, P., Manrubia-Freixa, M., Freschet, G.T., Maynard, D.S., Newman, G.S., van Logtestijn, R.S.P., Viketoft, M., Wardle, D.A., Wieder, W.R., Wood, S.A., van der Putten, W.H. (2017) A test of the hierarchical model of litter decomposition. Nature Ecology and Evolution, 1, 1836-1845 (doi: 10.1038/s41559-017-0367-4).

Bradford, M.A., Leiserowitz, A., Feinberg, G., Rosenthal, S.A., Lau, J.A. (2017) Long-term research in ecology and evolution (LTREE): 2015 survey data. Ecology, 98, 2980.

Buchkowski, R.W., Bradford, M.A., Grandy, A.S., Schmitz, O.J., Wieder, W.R. (2017) Applying population and community ecology theory to advance understanding of belowground biogeochemistry. Ecology Letters, 20, 231-245.

Keiser, A.D., Bradford, M.A. (2017) Climate masks decomposer influence in a cross-site litter decomposition study. Soil Biology & Biochemistry, 107, 180-187.

Maynard, D.S., Crowther, T.W., Bradford, M.A. (2017) Competitive network determines the direction of the diversity–function relationship. Proceedings of the National Academy of Sciences, USA, 114, 11464-11469.

Maynard, D.S., Crowther, T.W., Bradford, M.A. (2017) Fungal interactions reduce carbon use efficiency. Ecology Letters, 20, 1034-1042.

Maynard, D.S., Bradford, M.A., Lindner, D.L., van Diepen, L.T.A., Frey, S.D., Glaeser, J.A., Crowther, T.W. (2017) Diversity begets diversity in competition for space. Nature Ecology and Evolution, 1, art. 0156.

Rubenstein, M.A., Crowther, T.W., Maynard, D.S., Schilling, J.S., Bradford, M.A. (2017) Decoupling direct and indirect effects of temperature on decomposition. Soil Biology & Biochemistry, 112, 110-116.

Oliverio, A., Bradford, M.A., Fierer, N. (2017) Identifying the microbial taxa which consistently respond to soil warming across time and space. Global Change Biology, doi: 10.1111/gcb.13557.

Sokol, N., Kuebbing, S.L., Bradford, M.A. (2017). Impacts of an invasive plant are fundamentally altered by a co-occurring forest disturbance. Ecology, 98, 2133-2144.

Strickland, M.S., Callaham, M.A. Jr., Gardiner, E.S., Stanturf, J.A., Leff, J.W., Fierer, N., Bradford, M.A. (2017) Response of soil microbial community composition and function to a bottomland forest restoration intensity gradient. Applied Soil Ecology, 119, 317-326.

Warren II, R.J., King, J.R., Chick, L., Bradford, M.A. (2017) Global change impacts on ant-mediated seed dispersal in eastern North America. In Oliveira, P.S. and Koptur, S. (eds.) Ant-plant interactions. Impact of humans on terrestrial ecosystems. Cambridge University Press, UK (Invited).

Warren II, R.J., Love, J.P. Bradford, M.A. (2017) Nest-mediated seed dispersal. Plant Ecology, 218, 1213-1220.

2016 Publications

Bradford, M.A., Wieder, W.R., Bonan, G.B., Fierer, N., Raymond, P.A., Crowther, T.W. (2016) Managing uncertainty in soil carbon feedbacks to climate change. Nature Climate Change, 6, 751-758 (Review article). Note that If you do not have access to Nature Climate Change, you can obtain full online access here.

Bradford, M.A., Berg, B., Maynard, D.S., Wieder, W.R., Wood, S.A. (2016) Understanding the dominant controls on litter decomposition. Journal of Ecology, 104, 229-238.

Bradford, M.A. (2016) Re-visioning soil food webs. Soil Biology & Biochemistry, 102, 1-3. Editorial to the Special Issue on Food Web Interactions in the Root Zone: Community and Ecosystem Dynamics.

Covey, K.R., Bueno de Mesquita C.P., Oberle, B., Maynard, D.S., Bettigole, C., Crowther T.W., Duguid, M.C., Steven, B., Zanne, A.E., Lapin M., Ashton, M.S., Oliver, C.D., Lee, X., Bradford, M.A. (2016) Greenhouse trace gases in deadwood. Biogeochemistry, 130, 215-226.

Crowther, T.W., Todd-Brown, K.E.O., Rowe, C.W., Wieder, W.R., Carey, J.C., Machmuller, M.B., Snoek, B.L., Fang, S., Zhou, G., Allison, S.D., Blair, J.M., Bridgham, S.D., Burton, A.J., Carrillo, Y., Reich, P.B., Clark, J.S., Classen, A.T., Dijkstra, F.A., Elberling, B., Emmett, B., Estiarte, M., Frey, S.D., Guo, J., Harte, J., Jiang, L., Johnson, B.R., Kröel-Dulay, G., Larsen, K.S., Laudon, H., Lavallee, J.M., Luo, Y., Lupascu, M., Ma, L.N., Marhan, S., Michelsen, A., Mohan, J., Niu, S., Pendell, E., Peñuelas, J., Pfeifer-Meister, L., Poll, C., Reinsch, S., Reynolds, L.L., Schmidt, I.K., Sistla, S., Sokol, N., Templer, P.H., Treseder, K.K., Welker, J.M., Bradford, M.A. (2016) Quantifying global soil carbon losses in response to warming. Nature, 540, 104-108.

Keiser, A.D., Knoepp, J.D., Bradford, M.A. (2016) Disturbance decouples biogeochemical cycles across forests of the southeastern US. Ecosystems, 19, 50-61.

Smets, W., Leff, J.W., Bradford, M.A., McCulley, R.L., Lebeer, S., Fierer, N. (2016) A method for simultaneous measurement of soil bacterial abundances and community composition via 16S rRNA gene sequencing. Soil Biology & Biochemistry, 96, 145-151.

van der Putten, W., Bradford, M.A., Brinkman, P., van de Voorde, T., Veen, C. (2016) Where, when and how plant-soil feedback matters in a changing world. Functional Ecology, 30, 1109-1121.

Wood, S.A., Sokol, N., Bell, C.W., Bradford, M.A., Naeem, S., Wallenstein, M.W., Palm, C.A. (2016) Opposing effects of different soil organic matter fractions on crop yields. Ecological Applications, 26, 2072-2085.

2015 Publications

Buchkowski, R.W., Schmitz, O.J., Bradford, M.A. (2015) Microbial stoichiometry overrides biomass as a regulator of soil carbon and nitrogen cycling. Ecology, 96, 1139-1149.

Crowther, T.W., Glick, H.B., Covey, K.R., Bettigole, C., Maynard, D.S., Thomas, S.M., Smith, J.R., Hintler, G., Duguid, M.C., Amatulli, G., Tuanmu, M.-N., Jetz, W., Salas, C., Stam, C., Piotto, D., Tavani, R., Green, S., Bruce, G., Williams, S.J., Wiser, S.K., Huber, M.O., Hengeveld, G.M., Nabuurs, G.-J., Tikhonova, E., Borchardt, P., Li, C.-F., Powrie, L.W., Fischer, M., Hemp, A., Homeier, J., Cho, P., Vibrans, A.C., Umunay, P.M., Piao, S., Rowe, C.W., Ashton, M.S, Crane, P.R, Bradford, M.A. (2015) Mapping tree density at a global scale. Nature, 525, 201-205.

Crowther, T.W., Thomas, S.M., Maynard, D.S., Baldrian, P., Covey, K., Frey, S.D., van Diepen, L.T.A., Bradford, M.A. (2015) Biotic interactions mediate soil microbial feedbacks to climate change. Proceedings of the National Academy of Sciences, USA, 112, 7033-7038.

Crowther, T.W., Maynard, D.S., Thomas, S.M., Baldrian, P., Covey, K., Frey, S.D., van Diepen, L.T.A., Bradford, M.A. (2015) Reply to Veresoglou: Overdependence on “significance” testing in biology. Proceedings of the National Academy of Sciences, USA, doi: 10.1073/pnas.1513283112.

Crowther, T.W., Sokol, N.W., Oldfield, E.E., Maynard, D.S., Thomas, S.M., Bradford, M.A. (2015) Environmental stress response limits microbial necromass contributions to soil organic carbon. Soil Biology & Biochemistry, 85, 153-161.

Maynard, M.S., Crowther, T.W., King, J.R., Warren, R.J., Bradford, M.A. (2015) Temperate forest termites: ecology, biogeography, and ecosystem impacts. Ecological Entomology, 40, 199-201 (invited review).

Maynard, D.S., Leonard, K.E., Drake, J.M., Hall, D.W., Crowther, T.W., Bradford, M.A. Modelling the multidimensional niche by linking functional traits to competitive performance. Proceedings of the Royal Society B: Biological Sciences, 282, 20150516.

Neupane, A., Maynard, D.S., Bradford, M.A. (2015) Consistent effects of eastern subterranean termites (Reticulitermes flavipes) on properties of a temperate forest soil. Soil Biology & Biochemistry, 94, 84-91.

Oldfield, E.E., Felson, A.J., Ashton, M.A., Auyeung, N., Crowther, T.W., Falxa-Raymond, N., Harada, Y., Maynard, D.S., Sokol, N.W., Warren II, R.J., Hallett, R.A., Bradford, M.A. (2015) Growing the urban forest: tree performance in response to biotic and abiotic land management. Restoration Ecology, 23, 707-718.

Oldfield, E.E., Wood, S.A., Palm, C.A., Bradford, M.A. (2015) How much SOM is needed for sustainable agriculture? Frontiers in Ecology & Environment, 13, 527 (Guest Editorial).

Strickland, M.S., Keiser, A.D., Bradford, M.A. (2015) Climate history shapes contemporary leaf litter decomposition. Biogeochemistry, 122, 165-174.

Strickland, M.S., Leggett, Z.H., Sucre, E.B., Bradford, M.A. (2015) Biofuel intercropping effects on soil carbon and microbial activity. Ecological Applications, 25, 140-150.

Strickland, M.S., McCulley, R.L., Nelson, J., Bradford, M.A. (2015) Compositional differences in simulated root exudates elicit a limited functional and compositional response in soil microbial communities. Frontiers in Microbiology, 6, 33 [doi: 10.3389/fmicb.2015.00817].

Warren II, R.J., McMillan, A., King, J.R., Chick, L., Bradford, M.A. (2015) Forest invader replaces predation but not dispersal services by a keystone species. Biological Invasions, 17, 3153-3162.

Warren II, R.J., Pearson, S., Henry, S., Rossouw, K., Love, J., Olejniczak, M., Elliott, K.J., Bradford, M.A. Cryptic indirect effects of exurban edges on a woodland community. Ecosphere, 6, 218 [doi: org/10.1890/ES15-00318.1].

Wood, S.A., Almaraz, M., Bradford, M.A., McGuire, K.L., Naeem, S., Neill, C., Palm, C.A., Tully, K.L., Zhou, J. (2015) Farm management, not soil microbial diversity, controls nutrient loss from smallholder tropical agriculture. Frontiers in Microbiology, 6, 90 [doi: 10.3389/fmicb.2015.00090].

Wood, S.A., Bradford, M.A., Gilbert, J.A., McGuire, K.L., Palm, C.A., Tully, K.L., Zhou, J., Naeem, S. (2015) Agricultural intensification and the functional capacity of soil microbes on smallholder African farms. Journal of Applied Ecology, 52, 744-754.

2014 Publications

Barberán, A., Ramirez, K.S., Leff, J.W., Bradford, M.A., Wall, D.H., Fierer, N. (2014) Why are some microbes more ubiquitous than others? Predicting the habitat breadth of soil bacteria. Ecology Letters, 17, 794-802.

Bradford, M.A., Wood, S.A., Bardgett, R.D., Black, H.I.J., Bonkowski, M., Eggers, T., Grayston, S.J., Kandeler, E., Manning, P., Setälä, H., Jones, T.H. (2014) Discontinuity in the responses of ecosystem processes and multifunctionality to altered soil community composition. Proceedings of the National Academy of Sciences, 111, 14478-14483.

Bradford, M.A., Wood, S.A., Bardgett, R.D., Black, H.I.J., Bonkowski, M., Eggers, T., Grayston, S.J., Kandeler, E., Manning, P., Setälä, H., Jones, T.H. (2014) Reply to Byrnes et al.: Aggregation can obscure understanding of ecosystem multifunctionality. Proceedings of the National Academy of Sciences, E5491, doi: 10.1073/pnas.1421203112.

Bradford, M.A. (2014) Good dirt with good friends. Nature, 505, 486-487. News & Views article.

Bradford, M.A., Warren, R.J., Baldrian, P., Crowther, T.W., Maynard, D.S., Oldfield, E.E., Wieder, W.R., Wood, S.A., King, J.R. (2014) Climate fails to predict wood decomposition at regional scales. Nature Climate Change, 4, 625-630.

Bradford M.A., Warren, R.J. (2014) Terrestrial biodiversity and climate change. In Freedman, B. (ed.) Handbook of Global Environmental Change, Springer, doi:10.1007/978-94-007-5784-4_13 (Invited).

Crowther, T.W., Maynard, D.S., Leff, J.W., Oldfield, E.E., McCulley, R.L., Fierer, N., Bradford, M.A. (2014) Predicting the responsiveness of soil biodiversity to deforestation: a cross-biome study. Global Change Biology, 20, 2983-2994.

Crowther, T.W., Maynard, D.S., Crowther, T.R., Peccia, J., Smith, J.R, Bradford, M.A. (2014) Untangling the fungal niche: the trait-based approach. Frontiers in Microbiology, 5, 579 [doi: 10.3389/fmicb.2014.00579].

García-Palacios, P., Maestre, F.T., Bradford, M.A., Reynolds, J.F. (2014) Earthworms modify plant biomass and nitrogen capture under conditions of soil nutrient heterogeneity and elevated atmospheric CO2 concentrations. Soil Biology & Biochemistry, 78, 182-188.

Keiser, A.D., Keiser, D.A., Strickland, M.S., Bradford, M.A. (2014) Disentangling mechanisms underlying functional differences in decomposer communities. Journal of Ecology, 102, 603-609.

Oldfield, E.E., Felson, A.J., Wood, S.A., Hallett, R.A., Strickland, M.S., Bradford, M.A. (2014) Positive effects of afforestation efforts on the health of urban soils. Forest Ecology and Management, 313, 266-273.

Ramirez, K.S., Leff, J.W., Barberán, A., Bates, S.T., Betley, J., Crowther, T.W., Kelly, E.F., Oldfield, E.E., Shaw, E.A., Steenbock, C., Bradford, M.A., Wall, D.H., Fierer, N. (2014) Biogeographic patterns in below-ground diversity in New York City’s Central Park are similar to those observed globally. Proceedings of the Royal Society B: Biological Sciences, 281, no.1795.

Warren, R.J, Bradford, M.A. (2014) Mutualism fails when climate response differs between interacting species. Global Change Biology, 20, 466-474.

Warren, R.J., Giladi, I., Bradford, M.A. (2014) Competition as a mechanism structuring mutualisms. Journal of Ecology, 102, 486-495.

2013 Publications

Bradford, M.A. (2013) Thermal adaptation of decomposer communities in warming soils. Frontiers in Microbiology, 4, 333 [doi: 10.3389/fmicb.2013.00333] (invited review for special topic on The Microbial Regulation of Global Biogeochemical Cycles).

Bradford, M.A., Crowther, T.W. (2013) Carbon use efficiency and storage in terrestrial ecosystems. New Phytologist, 199, 7-9.

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, 113, 271-281 (in the new fast-breaking Biogeochemistry Letters format).

Crowther, T.M., Bradford M.A. (2013) Thermal acclimation in widespread heterotrophic soil microbes. Ecology Letters, 4, 469-477.

Felson, A.J., Bradford, M.A., Terway, T.M. (2013) Promoting Earth Stewardship through urban design experiments. Frontiers in Ecology and the Environment, 11, 362-367.

Felson, A.J., Oldfield, E.E., Bradford, M.A. (2013) Involving ecologists in shaping large-scale green infrastructure projects. Bioscience, 63, 882-890 (see associated Feature article in the same addition of Bioscience reporting on this emerging field through interviews with our group and others).

Keiser, A.D., Knoepp, J.D., Bradford, M.A. (2013) Microbial communities may modify how litter quality affects potential decomposition rates as tree species migrate. Plant and Soil, 372, 167-176.

King, J.R., Warren, R.J., Bradford, M.A. (2013) Social insects dominate eastern US temperate hardwood forest macroinvertebrate communities in warmer regions. PLoS One, 10, e75843.

Oldfield, E.E., Warren, R.J., Felson, A.J., Bradford, M.A. (2013) Challenges and future directions in urban afforestation. Journal of Applied Ecology, 50, 1169-1177.

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 73, e50061, doi:10.3791/50061.

Schmitz, O.J., Raymond, P.R., Estes, J.A., Kurz, W.A., Holtgrieve, G.W., Ritchie, M.E., Schindler, D.E., Spivak, A., Wilson,R.W., Bradford, M.A., Christensen, V., Deegan, L., Smetacek, V., Vanni, M.J., Wilmers, C.C. (2013) Animating the carbon cycle. Ecosystems, doi: 10.1007/s10021-013-9715-7.

Strickland, M.S., Hawlena, D., Reese, A., Bradford, M.A., Schmitz, O.J. (2013) Trophic cascade alters ecosystem carbon exchange. Proceedings of the National Academy of Sciences, USA, 110, 11035-11038.

Strickland, M.S., McCulley, R.L., Bradford, M.A. (2013) The effect of a quorum-quenching enzyme on leaf litter decomposition. Soil Biology & Biochemistry, 64, 65-67.

Warren, R.J., Bahn, V., Bradford, M.A. (2013) Decoupling litter barrier and soil moisture influences on the establishment of an invasive grass. Plant and Soil, 367, 339-346.

Warren, R.J, Ursell, T., Keiser, A.D., Bradford, M.A. (2013) Habitat, dispersal and propagule pressure control exotic plant infilling within an invaded range. Ecosphere, 4, 26 [doi: 10.1890/ES12-00393.1].

Warren, R.J, Bradford, M.A. (2013) Public Opinion: Science petitions are a façade of numbers. Nature, 493, 480. Although this was a non peer-reviewed letter, we originally submitted this as a perspective piece for peer review, and include the original, full-length submission here.

2012 Publications

Bradford, M.A., Fierer, N. The biogeography of microbial communities and ecosystem processes: Implications for soil and ecosystem models. (Jul 2012) 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).

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.

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 global change factors. New Phytologist, 196, 462–471. (Featured in a commentary of the same issue).

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.

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.

Hawlena, D., Strickland, M.S., Bradford, M.A., Schmitz, O.J. (2012) Fear of predation slows plant-litter decomposition. Science, 336, 1434-1438.

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.

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.

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, 10.1007/s10530-012-0258-1.

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.

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.

Warren, R.J, Bradford, M.A. (2012) Ant colonization and coarse woody debris decomposition in temperate forests. Insectes Sociaux, 59, 215-221.

Warren, R.J, Giladi, I., Bradford, M.A. (2012) Environmental heterogeneity and interspecific interactions influence nest colonization by key seed-dispersing ants. Environmental Entomology, 41, 463-468.