USGS Professional Pages
Research EcologistContact Info
I am a scientist with the U.S. Geological Survey and a member of the Southwest Biological Science Center. My research interests are centered within the fields of biogeochemistry and ecosystem ecology. Currently, I study terrestrial ecosystems in Utah, Arizona, New Mexico, California, Colorado, Hawai’i, Puerto Rico, Bolivia, Perú, and Costa Rica. While my study sites and the methods I use are diverse, with each of my projects I strive to determine the dynamic controls over fundamental ecosystem processes with the ultimate goal of providing information to help maintain the desirable features of Earth’s ecosystems in a world that is rapidly changing.
Cavaleri, CA, SC Reed, WK Smith, TE Wood (In Press) Urgent need for warming experiments in tropical forests. Global Change Biology.
Wertin, T, SC Reed, J Belnap (In Press) C3 and C4 plant responses to increased temperatures and altered monsoonal precipitation in a cool desert on the Colorado Plateau, USA. Oecologia
Hiltbrunner, E, R Aerts, T Buhlmann, K Huss-Danell, B Magnusson, DD Myrold, SC Reed, BD Sigurdsson, C Korner (2014) Spatially robust estimates of biological N2 fixation imply substantial human alteration of the tropical nitrogen cycle. Oecologia 176: 11-24.
Sullvian, BW, WK Smith, AR Townsend, MK Nasto, SC Reed, RL Chazdon, CC Cleveland (2014) Spatially robust estimates of biological N2 fixation imply substantial human alteration of the tropical nitrogen cycle. PNAS doi:10.1073/pnas.1320646111.
Sullvian, BW, S Alvarez-Clare, SC Castle, S Porder, SC Reed, L Schreeg, AR Townsend, CC Cleveland (2014) Assessing nutrient limitation in complex forested ecosystems: Alternatives to large-scale fertilization experiments. Ecology 95: 668-681.
Cleveland, CC, SC Reed, AB Keller, DR Nemergut, SP O'Neill, R Ostertag, PM Vitousek (2014) Litter quality versus soil microbial community controls over decomposition: a quantitative analysis. Oecologia 2110: 12733-12737.
Smith, WK, CC Cleveland, SC Reed, SW Running (2013) Agricultural conversion without external water and nutrient inputs reduces terrestrial vegetation productivity. Geophysical Research Letters. 10.1002/2013GL058857.
Cleveland, CC, BZ Houlton, WK Smith, AR Marklein, SC Reed, W Parton, SJ Del Gross, SW Running (2013) Patterns of new versus recycled primary production in the terrestrial biosphere. PNAS. 110: 12733-12737.
Reed, SC, AR Townsend, CC Cleveland (2013) Relationships between phosphorus, molybdenum and free-living nitrogen fixation in tropical rain forests: Results from observational and experimental analyses. Biogeochemistry: Synthesis & Emerging Ideas Section 114: 1-13.
Vitousek, PM, DNL Menge, SC Reed, CC Cleveland (2013) Biological nitrogen fixation: rates, pattern, and ecological controls in terrestrial ecosystems. Philosophical Transactions of the Royal Soceicty B. 368: 20130119.
Lu, X-T, SC Reed, Q Yu, NP He, ZW Wang, XG Han (2013) Convergent responses of nitrogen and phosphorus resorption to nitrogen inputs in a semi-arid grassland. Global Change Biology 19: 2775-2784.
Keville, MP, SC Reed, CC Cleveland (2013) Nitrogen cycling responses to mountain pine beetle disturbance in a high elevation Whitebark Pine ecosystem. PLoS One 8: e65004. doi:10.1371.
Zelikova, TJ, R Hufbauer, SC Reed, T Wertin, C Fetting, J Belnap. (2013) Eco-evolutionary responses of Bromus tectorum to climate change: Implications for biological invasions. Ecology & Evolution 3: 1384-1387.
Keller, AB, SC Reed, AR Townsend, CC Cleveland (2013) Effects of canopy tree species on belowground biogeochemistry in a lowland wet tropical forest. Soil Biology & Biochemistry 58: 61-69.
Wickings, K, AS Grandy, SC Reed, CC Cleveland (2012) The origin of litter chemical complexity during decomposition. Ecology Letters 15: 1180-1188.
Reed, SC, AR Townsend, CC Cleveland, EA Davidson (2012). Stoichiometric patterns in foliar nutrient resorpton across multiple scales. New Phytologist 196: 173-180.
Reed, SC, KK Coe, JP Sparks, DC Housman, TJ Zelikova, J Belnap (2012) Increased precipitation results in rapid moss mortality and altered fertility in a dryland ecosystem. Nature Climate Change 2: 752-755.
Wood, TE, MA Cavaleri, SC Reed (2012) Tropical forest carbon balance in a warmer world: a critical review spanning microbial- to ecosystem-scale processes. Biological Reviews 87: 912-927.
Reed, SC, T. Wood & M. Cavaleri (2012) Tropical forests in a warming world. New Phytologist 193: 27-29.
Wertin, TM, SL Phillips, SC Reed, J Belnap (2012) Elevated CO2 did not mitigate the effect of a short-term drought on biological soil crusts. Biology & Fertility of Soils 48: 797-805.
Smith, WK, CC Cleveland, SC Reed, NL Miller, SW Running (2012) Bioenergy potential of the United States constrained by satellite observations and existing productivity. Environmental Science & Technology 46: 3536-3544.
Reed, SC, CC Cleveland, AR Townsend (2011). Functional ecology of free-living nitrogen fixation: a contemporary review. Annual Review for Ecology and Systematics 42: 489-512.
Reed, SC, PM Vitousek, CC Cleveland (2011) Are patterns in nutrient limitation belowground consistent with those aboveground: Results from a 4 million year chronosequence. Biogeochemistry 106: 323-336.
Cleveland, CC, AR Townsend, P Taylor, MMC Bustamante, G Chuyong, P Grierson, K Harms, B Houlton, A Marklein, W Parton, S Porder, SC Reed, et al. (2011) Relationships among net primary productivity, nutrients and climate in tropical rain forests: A pan-tropical analysis. Ecology Letters 14: 939-947.
Schmidt SK, CC Cleveland, DR Nemergut, SC Reed, AJ King, P Sowell (2011) Estimating phosphorus availability for microbial growth in an emerging landscape. Geoderma 163: 135-140.
Wickings, K, AS Grandy, SC Reed, CC Cleveland (2011) Management intensity alters decomposition via biological pathways. Biogeochemistry 104: 365-379.
Reed, SC, AR Townsend, PG Taylor, CC Cleveland. (2011) Phosphorus Cycling in Tropical Forests Growing on Highly-Weathered Soils. In: (Buneman EK, A Oberson, E Forssard) Phosphorus In Action—Biological Processes in Soil Phosphorus Cycling. Springer Publishing Co. vol. 26, pp. 339-369.
Cleveland, CC, WR Wieder, SC Reed, AR Townsend (2010) Experimental drought in a wet tropical forest increases soil carbon dioxide losses to the atmosphere. Ecology 91: 2313-2323.
Reed, SC, AR Townsend, DR Nemergut, SK Schmidt, AR Townsend (2010) Scaling from molecules to ecosystems: Exploring controls over free-living nitrogen fixation in terrestrial systems. VDM Publishers, Saarbrucken Germany.
Reed, SC, AR Townsend, CC Cleveland, DR Nemergut (2010) Microbial community shifts influence patterns in tropical forest nitrogen fixation. Oecologia 164: 521-531.
Cleveland, CC, BZ Houlton, C Neill, SC Reed, AR Townsend, YP Wang (2010) Using indirect methods to constrain symbiotic nitrogen fixation rates: A case study from an Amazonian rain forest. Biogeochemistry 99: 1-13.
Sattin SR, CC Cleveland, E Hood, SC Reed, AJ King, MS Robeson, NL Ascarrunz, DR Nemergut (2009) Functional shifts in perhumid, recently-deglaciated soils do not correlate with shifts in soil bacterial community composition. The Journal of Microbiology 47: 673-681.
Costello, EK, SRP Halloy, SC Reed, P Sowell, SK Schmidt (2009) Fumarole-supported islands of biodiversity within a hyper-arid, high-elevation landscape on Socompa Volcano, Puna de Atacama, Andes. Applied & Environmental Microbiology 75: 735-747.
Freeman, KR, MY Pescador, SC Reed, EK Costello, MS Robeson, SK Schmidt (2009) Soil CO2 flux and photoautotrophic community composition in high-elevation, ‘barren’ soil. Environmental Microbiology 11: 674-686.
Schmidt, SK, SC Reed, DR Nemergut, AS Grandy, CC Cleveland, MN Weintraub, AW Hill, EK Costello, AF Meyer, AM Martin, JC Neff (2008) The earliest stages of primary succession in high-elevation (5000 meters above sea-level), recently deglaciated soils. Proceedings of the Royal Society B: Biological Sciences 275: 2793-2802.
Reed, SC, CC Cleveland, AR Townsend (2008) Tree species control rates of free-living nitrogen fixation in a tropical rain forest. Ecology 89: 2924-2934.
Reed, SC, CC Cleveland, AR Townsend (2007) Controls over leaf litter and soil nitrogen fixation in two lowland tropical rain forests. Biotropica 39: 585-592.
Schmidt, SK, EK Costello, DR Nemergut, CC Cleveland, SC Reed, MN Weintraub, AF Meyer, AM Martin (2007) Microbial turnover and seasonal succession drive biogeochemical cycles in the alpine. Ecology 88: 1379-1385.
Reed, SC, TR Seastedt, CM Mann, KN Suding, AR Townsend (2007) Phosphorus fertilization stimulates nitrogen fixation and increases inorganic nitrogen concentrations in a restored prairie. Applied Soil Ecology 36: 238-242.
Cleveland, CC, SC Reed, AR Townsend (2006) Nutrient regulation of organic matter decomposition in a tropical rain forest. Ecology 87: 492-503.
Bowker, MA, SC Reed, J Belnap, SL Phillips (2002) Temporal variation in community composition, pigmentation, and Fv/Fm in desert cyanobacterial soil crusts. Microbial Ecology 43: 13-25.
Reed, SC, GJ Capitosti, Z Zhu & DA Modarelli (2001) Photochemical generation and matrix-isolation detection of dimethylvinylidene. Journal of Organic Chemistry 66: 287-291.
Reed, SC, DA Modarelli (1996) Conformational effects on the excited state 1,2-hydrogen migration in alkyldiazomethanes. Tetrahedron Letters 37: 7209-7212.
Honors and Fellowships
Awardee, Presidential Early Career Award for Scientists and Engineers (PECASE). Highest honor bestowed by the U.S. government on scientists and engineers in the early stages of their research careers. October 2011.
Recipient, Star Award, received for outstanding work with the Department of the Interior. October 2010.
Recipient, Graduate Student Research and Creative Works Award, University of Colorado at Boulder. One of two of the University’s graduating Ph.D. students whose dissertation was selected by faculty members from all disciplines as representing outstanding research and creative work. May 2008.
Fellow, USGS Student Career Experience Program (SCEP). Supported in creating a research project to model how soil gas fluxes in dryland ecosystems will vary under altered climate regimes. June-August of 2006 & 2007.
Recipient, Student Policy Award, Ecological Society of America (ESA). Graduate student chosen and funded by ESA to meet with members of Congress regarding national scientific funding. September 2006.
Selected Participant, AAAS Program for Excellence in Science. Nominated by the University of Colorado Vice Chancellor of Research to participate in a program rewarding praiseworthy graduate students working in the life sciences. August 2006.
Fellow, NSF Graduate Research Fellowship. Awarded April 2003; deferred until September 2005-May 2008.
Fellow, NSF IGERT Fellowship, Carbon Climate and Society Initiative (CCSI). August 2003-August 2005.
Selected Full Member, Sigma Xi Scientific Research Society, Fall 2003-Present.
Recipient, Star Award, received for outstanding work with the Department of the Interior. May 2000.
Fellow, Wolk Foundation, fellowship for promising student research. Summer 1996.
Recipient, Lawrence Award, awarded to one student annually for superior performance in organic chemistry. April 1996.
Selected Member, Phi Ea Sigma University Honor Society, chosen for academic excellence. April 1994-May 1997.
Selected Board Member, Phi Eta Sigma Aid Committee, elected for superior research to a board that selected student grant applications for funding. September 1995-May 1997.
Service and Outreach
Associate Editor, Ecology
Associate Editor, Ecological Applications
Associate Editor, Ecological Monographs
Advisory Board, New Phytologist
Advisory Board, Issues in Ecology
Advisory Board, Biogeochemistry Letters section of Biogeochemistry
Advisory Board, incorporating STEM-focused learning into the Grand County School System
Creator, Outreach seminars Guiding Science: Science for Guides on the Colorado Plateau
Participant, Expanding Your Horizons (EYH) experiences for introducing middle-school girls to STEM careers
Read Full Professional Summary
My Science Topics
My USGS Science Strategy AreasUnderstanding Ecosystems & Predicting Ecosystems Change
The Role of Environment and Wildlife in Human Health
Climate Variability & Change
Energy & Minerals for America's Future
Some of My Current Research Interests
Southwest Biological Science Center: http://sbsc.wr.usgs.gov/
Canyonlands Research Station: http://sbsc.wr.usgs.gov/crs/
Canyonlands Research Center: http://www.canyonlandsresearchcenter.org
USGS Climate Monitoring-American Drylands (includes Canyonlands): http://data.usgs.gov/climateMonitoring/region/show?region=americandrylands
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