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Papers

Schmidt, S.K., C.S. Naff, R.C. Lynch. 2012. Fungal communities at the edge: Ecological lessons from high alpine fungi. Fungal Ecology. In Press. [Reprint]

Darcy, J.L., R.C. Lynch, A.J. King, M.S. Robeson, S.K. Schmidt. 2011. Global distribution of Polaromonas phylotypes - Evidence for a highly successful dispersal capacity. PLoS one. 6: e23742. [Reprint]

Robeson, M.S., A.J. King, K.R. Freeman, C.W. Birky, A.P. Martin and S.K. Schmidt. 2011. Soil rotifer communities are extremely diverse globally but spatially autocorrelated locally. Proc. Natl. Acad. Sci. 108: 4406-4410[Reprint]

Schmidt S.K., D.R. Nemergut, P. Sowell, S.C. Reed and C.C. Cleveland. 2011. Estimating phosphorus availability for microbial growth across a recently de-glaciated landscape in the high Andes of Perú. Geoderma 163: 135-140. [Reprint]

Schmidt, S.K., R.C. Lynch, A.J. King, D. Karki, M.S. Robeson, L. Nagy, M.W. Williams, M.S. Mitter & K.R. Freeman. 2011. Phylogeography of microbial phototrophs in the dry valleys of the high Himalayas and Antarctica. Proc. Roy Soc. B 278: 702-708. [Reprint]

King, A.J., K.R. Freeman, K.F. McCormick, R.C. Lynch, C.A. Lozupone, R. Knight & S.K. Schmidt. 2010. Biogeography and habitat modelling of high-alpine bacteria. Nature Comm. 1:53 doi: 10.1038/ncomms1055. [Reprint]

King, A.J., D. Karki, L. Nagy, A. Racoviteanu & S.K. Schmidt. 2010. Microbial biomass and activity in high elevation (>5100 meters) soils of the Annapurna and Sagarmatha regions of the Nepalese Himalayas. Himalayan J. Sciences (In Press) [Reprint]

Nemergut, D.R., E.K. Costello, M. Hamady, C. Lozupone, L. Jiang, S.K. Schmidt, N. Fierer, A.R. Townsend, C.C. Cleveland, L. Stanish and R. Knight. 2010. Global patterns in the biogeography of bacterial taxa. Environ. Microbiol. In Press [Reprint]

Gleason, F.H., S.K. Schmidt & A.V. Marano. 2010. Can zoosporic true fungi grow or survive in extreme or stressful environments? Extremophiles 14: 417-425. [Reprint]

Freeman, K.R., A.P. Martin, D. Karki, R.C. Lynch, M.S. Mitter, A.F. Meyer, J.E. Longcore, D.R. Simmons and S.K. Schmidt. 2009. Evidence that chytrids dominate fungal communities in high-elevation soils. Proc. Natl. Acad. Sci. 106: 18315-18320. [Reprint]

Robeson, M.S., E.K. Costello, K.R. Freeman, J. Whiting, B. Adams A.P. Martin & S.K Schmidt. 2009. Environmental DNA sequencing primers for eutardigrades and bdelloid rotifers. BMC Ecology doi:10.1186/1472-6785-9-25. [Reprint]

Schmidt, S.K., D.R. Nemergut, A.E. Miller, K.R. Freeman, A.J. King, A. Seimon. 2009. Microbial activity and diversity during extreme freeze-thaw cycles in periglacial soils, 5400 m elevation, Cordillera Vilcanota, Perú. Extremophiles 13: 807-816. [Reprint]

Seimon, A., Yager, K., Seimon, T., Schmidt, S.K., Grau, A., Beck, S., García, C., Tupayachi, A., Sowell, P., Touval, J. and Halloy, S. 2009. Changes in biodiversity patterns in the High Andes - understanding the consequences and seeking adaptation to global change. Mountain Forum Bulletin 9: 25-27. [Reprint]

Lipson, D.A., R.K. Monson, S.K. Schmidt and M.N. Weintraub. 2009. The trade-off between growth rate and yield in microbial communities and the consequences for soil respiration in a high elevation coniferous forest. Biogeochemistry (doi 10.1007/s10533-008-9252-1) [Reprint]

Schmidt, S.K., K.L. Wilson, R.K. Monson and D.A. Lipson. 2009. Exponential growth of snow molds at sub-zero temperatures: an explanation for high beneath-snow respiration rates and Q10 values. Biogeochemistry 95: 13-21. [Reprint]

Freeman, K.R., M.Y. Pescador, S.C. Reed, E.K. Costello, M.S. Robeson and S.K. Schmidt. 2009. Soil CO2 flux and photoautotrophic community composition in high-elevation, barren soils. Environ. Microbiol. 11: 674-686. [Reprint]

Costello, E.K., S.R.P. Halloy, S.C. Reed, P. Sowell & S.K. Schmidt. 2009. Fumarole-supported islands of biodiversity within a hyperarid, high-elevation landscape on Socompa Volcano, Puna de Atacama, Andes. Appl. Environ. Microbiol. 75: 735-747 [Reprint]

Sattin, S.R., C.C. Cleveland, E. Hood, S.C. Reed, A.J. King, S.K. Schmidt, M.S. Robeson and D.R. Nemergut. 2009. Functional shifts in unvegetated, perhumid, recently-deglaciated soils do not correlate with shifts in soil bacterial community composition. J. Microbiol. 47: 673-681 [Reprint]

Nemergut, D.R., A.R. Townsend S.R. Sattin, K. Freeman, N. Fierer, J.C. Neff, W.D. Bowman, C.W. Schadt, M. Weintraub and S.K. Schmidt.  2008.  The effects of chronic nitrogen fertilization on alpine tundra soil microbial communities: Implications for carbon and nitrogen cycling.  Environ. Microbiol. 10: 3093-3105. [Reprint]

Nemergut, D.R., M.S. Robeson, R.F. Kysela, A.P. Martin, S.K Schmidt and R. Knight.  2008.  Insights and inferences about integron evolution from genomic data.  BMC Genomics 9: 261- 273.  doi:10.1186/1471-2164-9-261. [Reprint]

Schmidt, S.K., S.C. Reed, D.R. Nemergut, A.S. Grandy, C.C. Cleveland, E.K. Costello, M.N. Weintraub, A.W. Hill, A.F. Meyer, A.P. Martin and J.C. Neff. 2008. The earliest stages of ecosystem succession in high-elevation (5000 meters above sea level), recently de-glaciated soils. Proc. Roy. Soc. B 275: 2793-2802. [Reprint]

King, A.J., A.F. Meyer and S.K. Schmidt. 2008. High levels of microbial biomass and activity in unvegetated tropical and temperate alpine soils. Soil Biol. Biochem. 40: 2605-2610. [Reprint]

Schmidt, S.K., L.C. Sobieniak-Wiseman, S.A. Kageyama, S.R.P. Halloy and C.W. Schadt. 2008. Mycorrhizal and dark-septate fungi in plant roots above 4270 meters elevation in the Andes and Rocky Mountains. Arctic, Antarctic and Alpine Res. 40: 576-583. [Reprint]

Schmidt, S.K., K.L. Wilson, M.M. Gebauer, A.F. Meyer and A.J. King. 2008. Phylogeny and ecophysiology of opportunistic “snow molds” from a sub-alpine forest ecosystem. Microbial Ecology 56: 681-687. [Reprint]

Porter, T.M., C.W. Schadt, L. Rizvi, A.P. Martin, S.K. Schmidt, L. Scott-Denton, R. Vilgalys & J.-M. Moncalvo. 2008. Widespread occurrence and phylogenetic placement of a soil clone group adds a prominent new branch to the fungal tree of life. Molecular Phylogenetics & Evolution 46: 635-644. [Reprint]

Cleveland, C.C., D.R. Nemergut, A.R. Townsend and S.K. Schmidt. 2007. Increases in soil respiration following labile carbon additions linked to rapid shifts in soil microbial community composition. Biogeochem. 82: 229-240.

Weintraub, M.N., L.E. Scott-Denton, S.K. Schmidt, and R.K. Monson. 2007. The effects of tree rhizodeposition on soil exoenzyme activity, dissolved organic carbon, and nutrient availability in a subalpine forest ecosystem. Oecologia 154: 327-338. [Reprint]

Schmidt, S.K., K.L. Wilson, A.F. Meyer, T.M. Porter, C.W. Schadt & J.M. Moncalvo. 2008. The missing fungi - New insights from culture-independent molecular studies of soil. IN Accessing Uncultivated Microorganisms, (Karsten Zengler, ed.) ASM Press, Washington DC.

Nemergut, D.R., S.P. Anderson, C.C. Cleveland, A.P. Martin, A.E. Miller, A. Seimon and S.K. Schmidt. 2007. Microbial community succession in unvegetated, recently-deglaciated soils. Microbial Ecology 53: 110-122. [Reprint]

Schmidt, S.K., E.K. Costello, D.R. Nemergut, C.C. Cleveland, S.C. Reed, M.N. Weintraub, A.F. Meyer and A.P. Martin. 2007. Biogeochemical consequences of rapid microbial turnover and seasonal succession in soil. Ecology 88: 1379-1385. [Abstract] [Reprint]

Monson, R.K., D.L. Lipson, S.P. Burns, A.A. Turnipseed, A.C. Delany, M.W. Williams and S.K. Schmidt. 2006. Winter forest soil respiration controlled by climate and microbial community composition. Nature 439: 711-714. [Abstract] [Reprint]

Krajick , K. 2006. Living the High Life: The mountaintop environment of the Andes harbors a Noah’s ark of previously undocumented species. Natural History 115 (7): 44-50. [Abstract] [Reprint]

Oline, D.K., S.K. Schmidt and M.C. Grant. 2006. Biogeography and landscape-scale diversity of the dominant Crenarchaeota of soil. Microbial Ecology 52:480-490. [Reprint]

Costello, E.K. and S.K. Schmidt. 2006. Microbial Diversity in Alpine Tundra Wet Meadow Soil: Novel Chloroflexi from a Cold, Water-Saturated Environment. Environmental Microbiology 8: 1471-1486. [Reprint]

Colores, G.M. and S.K. Schmidt. 2005. Recovery of microbially-mediated processes in soil augmented with a pentachlorophenol-mineralizing bacterium. Environ. Toxicol. Chem. 24: 1912-1917.

Nemergut, D.R., E. Costello, A.F. Meyer, M.Y. Pescador, M.N. Weintraub and S.K. Schmidt. 2005. Structure and function of alpine and arctic soil microbial communities. Research in Microbiology 156: 775-784. [Abstract] [Reprint]

Bardgett, R.D., W.D. Bowman, R. Kaufmann and S.K. Schmidt. 2005. Linking aboveground and belowground ecology: A temporal approach. Trends in Ecology and Evolution 20: 534-541. [Abstract] [Reprint]

Schmidt, S.K. and D.A. Lipson. 2004. Microbial growth under the snow; Implications for nutrient and alleochemical availability in temperate soils. Plant and Soil 259: 1-7. [Abstract] [Reprint]

Martin, A.P., E.K. Costello, A.F. Meyer, D.R. Nemergut and S.K. Schmidt. 2004. The rate and pattern of cladogenesis in microbes. Evolution 58: 946-955. [Abstract]

Meyer, A.F., D.A. Lipson C.W. Schadt, A.P. Martin and S.K. Schmidt. 2004. Molecular and metabolic characterization of cold tolerant, alpine soil Pseudomonas, sensu stricto. Appl. Environ. Microbiol. 70: 483-489. [Abstract] [Reprint]

Nemergut, D.R., A.P. Martin and S.K. Schmidt. 2004. Integron diversity in heavy metal contaminated mine tailings and inferences about integron origin and evolution. Appl. Environ. Microbiol. 70: 1160-1168. [Abstract]

Lipson, D.A. and S.K. Schmidt. 2004. Seasonal changes in an alpine soil bacterial community in the Colorado Rocky Mountains. Appl. Environ. Microbiol. 70: 2867-2879. [Abstract] [Reprint]

Schmidt, S.K., D.A. Lipson, R.E. Ley, M.C. Fisk and A.E. West. 2004. Impacts of chronic nitrogen additions vary seasonally and by microbial functional group in tundra soils. Biogeochemistry 69: 1-17. [Abstract] [Reprint]

Ley, R.E., M.W. Williams and S.K. Schmidt. 2004. Microbial population dynamics in an extreme environment: Controlling factors in talus soils at 3750m in the Colorado Rocky Mountains. Biogeochemistry 68: 313-335. [Abstract] [Reprint]

Cleveland, C.C., A.R. Townsend, B.C. Constance and S. K. Schmidt. 2003. Soil microbial dynamics and biogeochemical cycling in lowland tropical rain forests and pastures of southwestern Costa Rica. Ecol. Appl. 13: 314-326.

Pennisi, E. 2003. Neither cold nor snow stops tundra fungi. Science 301: 1307. [Reprint]

Schadt, C.W., A.P. Martin, D.A. Lipson and S.K. Schmidt. 2003. Seasonal dynamics of previously unknown fungal lineages in tundra soils. Science 301: 1359-1361. [Abstract] [Reprint]

Martin, A.P. 2002. Phylogenetic approaches for describing and comparing the diversity of microbial communities. Appl. Environ. Microbiol. 68: 3673-3682. [Reprint]

Nemergut, D. and S.K. Schmidt. 2002. Disruption of narH, narJ and moaE Inhibits Heterotrophic Nitrification in Pseudomonas strain M19. Appl. Environ. Microbiol. 68: 6462-6465. [Reprint]

Lipson, D.A., C.W. Schadt and S.K. Schmidt. 2002. Changes in microbial community structure and function in an alpine dry meadow following spring snow melt. Microbial Ecol. 43: 307-314. [Abstract] [Reprint]

West, A.E. and S.K. Schmidt. 2002. Endogenous methanogenesis stimulates oxidation of atmospheric CH4 in alpine tundra soil. Microbial Ecol. 43: 408-415. [Abstract] [Reprint]

Lipson, D.L. and S.K. Schmidt. 2002. Kinetics of microbial processes and population growth in soil. pp. 1748-1757. In, Encyclopedia of Environmental Microbiology. Wiley, New York.

Schadt, C.W., R.B. Mullen and S.K. Schmidt. 2001. Isolation and phylogenetic identification of a dark-septate fungus associated with the alpine plant Ranunculus adoneus. New Phytologist 150: 747-755. [Abstract]

Schmidt, S.K., A.E. West, P.D. Brooks, L. Smith, C. Jaeger, M.C. Fisk and E. Holland. 2001. Soil-atmosphere gas exchange across an alpine tundra landscape, In Alpine Dynamics: The structure and function of an alpine ecosystem. (W. Bowman and T. Seastedt, eds.). Oxford University Press.

Gonzalez, G., R.E. Ley, S.K. Schmidt, X. Zou and T.R. Seastedt. 2001. Soil ecological interactions: Comparisons between tropical and subalpine forests. Oecologia 128:549-556. [Abstract]

Fisk, M.C., P.D. Brooks and S.K. Schmidt. 2001. Nitrogen cycling in an alpine ecosystem. In Alpine Dynamics: The structure and function of an alpine ecosystem, Niwot Ridge, Colorado. (W. Bowman and T. Seastedt, eds.). Oxford University Press.

Lipson, D.A., S.K. Schmidt and R.K. Monson. 2000. An empirical model of amino acid transformations in alpine soil. Soil Biol. Biochem. 33: 189-198. [Abstract] [Reprint]

Lipson, D.A., S.K. Schmidt and R.K. Monson. 2000. Carbon availability and temperature control the post-snowmelt decline in alpine soil microbial biomass. Soil Biol. Biochem. 32: 441-448. [Abstract] [Reprint]

Schmidt, S.K., D.A. Lipson and T.K. Raab. 2000. Effects of willows (Salix brachycarpa) on populations of salicylate-mineralizing microorganisms in alpine soils. J. Chem. Ecol. 26: 2049-2057. [Abstract] [Reprint]

Lipson, D.A., S.K. Schmidt and R.K. Monson. 1999. Links between microbial population dynamics and nitrogen availability in an alpine ecosystem. Ecology 80: 1623-1631. [Reprint]

West, A.E., P.D. Brooks, M.C. Fisk, L. Smith, E. Holland, C.H. Jaeger, S. Babcock, R. Kai and S.K. Schmidt. 1999. Landscape patterns of CH4 fluxes in an alpine tundra ecosystem. Biogeochemistry 45: 243-264[Reprint]

Schmidt, S.K., and R.E. Ley. 1999. Microbial competition and soil structure limit the expression of allelochemicals in nature. Pp. 339-351 In Principles and practices in plant ecology. (Inderjit, K. Dakshini & C. Foy, eds.). CRC Press, Boca Raton

Jaeger, C.H., R.K. Monson, M.C. Fisk and S.K. Schmidt. 1999. Seasonal partitioning of nitrogen by plants and soil microorganisms in an alpine ecosystem. Ecology 80: 1883-1891 [Reprint]

Lipson, D.A., S.K. Schmidt, C.W. Schadt and R.K. Monson. 1999. Mycorrhizal transfer of amino acid-N to the alpine sedge, Kobresia myosuroides. New Phytologist 142: 163-167. [Reprint]

Lipson, D.A., T.K. Raab, S.K. Schmidt and R.K. Monson. 1999. Variation in competitive abilities of plants and microbes for specific amino acids. Biol. Fertil. Soils 29: 257-261. [Reprint]

Colores, G.M. and S.K. Schmidt. 1999. Colonization of contaminated soil by Sphingomonas chlorophenolica strain RA2. J. Indust. Microbiol. & Biotechnol. 23: 326-331.

West, A.E. and S.K. Schmidt. 1999. Acetate stimulates atmospheric CH4 oxidation by an alpine tundra soil. Soil Biol. Biochem. 31: 1649-1655 [Reprint]

Wickland, K.P., R.G. Striegl, S.K. Schmidt and M.A. Mast. 1999. Methane flux in subalpine wetland and unsaturated soils in the southern Rocky Mountains. Global Biogeochemical Cycles 13: 101-113

Fisk, M.C., S.K. Schmidt and T. Seastedt. 1998. Topographic patterns of above- and belowground production and nitrogen cycling in alpine tundra. Ecology 79: 2253-2266. [Reprint]

Brooks, P.D., M.W. Williams and S.K. Schmidt. 1998. Inorganic N and microbial biomass dynamics before and during spring snowmelt. Biogeochemistry 43: 1-15. [Reprint]

Mullen, R.B., S.K. Schmidt and C.H. Jaeger III. 1998. Nitrogen uptake during snowmelt by the snow buttercup, Ranunculus adoneus. Arctic and Alpine Research 30: 121-125. [Reprint]

West, A.E. and S.K. Schmidt. 1998. Wetting stimulates atmospheric CH4 oxidation by alpine soils. FEMS Microbiol. Ecol. 25: 349-353. [Reprint]

Brooks, P.D., S.K. Schmidt and M.W. Williams. 1997. Winter production of CO2 and N2O from alpine tundra: environmental controls and relationship to inter-system C and N fluxes. Oecologia 110: 403-413. [Reprint]

Brooks, P.D., M.W. Williams and S.K. Schmidt. 1996. Microbial activity under alpine snowpacks. Biogeochemistry 32: 93-113. [Reprint]

Fisk, M.C. and S.K. Schmidt. 1996. Microbial responses to nitrogen additions in alpine tundra soils. Soil Biology and Biochemistry 28: 751-755. [Reprint]

Colores, G.M., S.K. Schmidt and M.C. Fisk. 1996. Estimating the biomass of microbial functional groups using rates of growth-related soil respiration. Soil Biology and Biochemistry 28: 1569-1577. [Reprint]

Hess, T.F., S.K. Schmidt and G.M. Colores. 1996. Maintenance energy model for microbial degradation of toxic chemicals in soil. Soil Biology and Biochemistry 28: 907-915. [Reprint]

Bowman, W.D., J.C. Schardt and S.K. Schmidt. 1996. Symbiotic N2 fixation in alpine tundra: Ecosystem input and variation in fixation rates among communities. Oecologia 108: 345-350.

Schmidt, S.K. and K.M. Scow. 1996. Mycorrhizal fungi on the Gal‡pagos Islands. Biotropica 18: 236-240. [Reprint]

Fisk, M.C. and S.K. Schmidt 1995. Nitrogen mineralization and microbial biomass N dynamics in three alpine tundra communities. Soil Sci. Soc. Am. J. 59: 1036-1043.

Hess, T.F. and S.K. Schmidt. 1995. Improved procedure for obtaining statistically valid parameter estimates from soil respiration data. Soil Biology and Biochemistry 27: 1-7.

Schmidt, S.K., G.M. Colores, T.F. Hess and P.M. Radehaus. 1995. A simple method for quantifying activity and survival of microorganisms involved in bioremediation processes Appl. Biochem. Biotechnol. 54: 259-270.

Colores, G.M., P.M. Radehaus and S.K. Schmidt. 1995. Use of a pentachlorophenol degrading bacterium to bioremediate contaminated soil. Appl. Biochem. Biotechnol. 54: 271-275.

Neff, J.C., W.D. Bowman, E.A. Holland, M. Fisk and S.K. Schmidt. 1994. Fluxes of nitrous oxide and methane from nitrogen amended soils in the Colorado Alpine. Biogeochemistry 27: 23-33.

Mullen, R.B. and S.K. Schmidt. 1993. Mycorrhizal infection, phosphorus uptake, and phenology in Ranunculus adoneus: Implications for the functioning of mycorrhizae in alpine systems. Oecologia 94: 229-234.. [Reprint]

Hess, T.F., J. Silverstein and S.K. Schmidt. 1993. Effect of glucose on 2,4-dinitrophenol degradation kinetics in sequencing batch reactors. Wat. Environ. Res. 65: 73-81.

Schmidt, S.K. 1992. A substrate-induced growth-response (SIGR) method for estimating the biomass of microbial functional groups in soil and aquatic systems. FEMS Microbiol. Ecol. 101: 197-206.

Radehaus, P.M. and S.K. Schmidt. 1992. Characterization of a novel Pseudomonas sp. that mineralizes high concentrations of pentachlorophenol. Appl. Environ. Microbiol. 58: 2879-2885. [Reprint]

Schmidt, S.K., R. Smith, D. Sheker, T.F. Hess, J. Silverstein and P.M. Radehaus. 1992. Interactions of microflagellates and bacteria in sequencing batch reactors exhibiting enhanced mineralization of toxic organic chemicals. Microb. Ecol. 23: 127-142. [Reprint]

Schmidt, S.K. 1992. Models for studying the population ecology of microorganisms in natural systems. pp. 31-59 In: Modeling the metabolic and physiologic activities of microorganisms. John Wiley & Sons, New York.

Schmidt, S.K. 1990. Ecological implications of the destruction of juglone (5-hydroxy-1,4-naphthoquinone) by soil bacteria. J. Chem. Ecol. 16: 3547-3549. [Reprint]

Schmidt, S.K. and M.J. Gier. 1990. Coexisting bacterial populations responsible for multi-phasic mineralization kinetics in soil. Appl. Environ. Microbiol. 56: 2692-2697. [Reprint]

Hess, T.F., S.K. Schmidt, and J. Silverstein. 1990. Supplemental substrate enhancement of 2,4-dinitrophenol mineralization by a bacterial consortium. Appl. Environ. Microbiol. 56: 1551-1558. [Reprint]

Schmidt, S.K. 1989. Interference between Salsola kali L. seedlings: Implications for plant succession. Plant and Soil 116: 107-110. [Reprint]

Schmidt, S.K. and M.J. Gier. 1989. Dynamics of microbial populations in soil: indigenous microorganisms degrading 2,4-dinitrophenol. Microb. Ecol. 18: 285-296 [Reprint]

Scow, K.M., S.K. Schmidt and M. Alexander. 1989. Kinetics of biodegradation of mixtures of substrates in soil. Soil Biol. Biochem. 21: 703-708. [Reprint]

Schmidt, S.K. 1988. Degradation of juglone by soil bacteria. J. Chem. Ecol. 14: 1561-1571. [Reprint]

Schmidt, S.K., K.M. Scow and M. Alexander. 1987. Kinetics of para-nitrophenol mineralization by a Pseudomonas sp.: Effects of second substrates. Appl. Environ. Microbiol. 53: 2617-2623. [Reprint]

Schmidt, S.K., S. Simkins and M. Alexander. 1987. Models for the kinetics of biodegradation of organic compounds not supporting growth. Appl. Environ. Microbiol. 50: 323-331. [Reprint]

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