Search Results - "Mcculley, R"

Forages and pastures symposium: fungal endophytes of tall fescue and perennial ryegrass: pasture friend or foe? by Young, C A, Hume, D E, McCulley, R L

“…Tall fescue [Lolium arundinaceum (Schreb.) Darbysh. syn. Festuca arundinacea Schreb.] and perennial ryegrass (Lolium perenne L.) are important perennial forage…”
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Carbon fluxes, nitrogen cycling, and soil microbial communities in adjacent urban, native and agricultural ecosystems by Kaye, J.P, McCulley, R.L, Burke, I.C

“…Urban ecosystems are expanding globally, and assessing the ecological consequences of urbanization is critical to understanding the biology of local and global…”
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Biologic cycling of silica across a grassland bioclimosequence by Blecker, S. W., McCulley, R. L., Chadwick, O. A., Kelly, E. F.

“…The dynamics of biologic Si cycling in grassland ecosystems are largely unknown and likely to impact mineral weathering rates regionally and diatom…”
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Sensitivity of global soil carbon stocks to combined nutrient enrichment by Crowther, T. W., Riggs, C., Lind, E. M., Borer, E. T., Seabloom, E. W., Hobbie, S. E., Wubs, J., Adler, P. B., Firn, J., Gherardi, L., Hagenah, N., Hofmockel, K. S., Knops, J. M. H., McCulley, R. L., MacDougall, A. S., Peri, P. L., Prober, S. M., Stevens, C. J., Routh, D., Penuelas, Josep

“…Soil stores approximately twice as much carbon as the atmosphere and fluctuations in the size of the soil carbon pool directly influence climate conditions. We…”
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Extremely Efficient Photocurrent Generation in Carbon Nanotube Photodiodes Enabled by a Strong Axial Electric Field by McCulley, Daniel R, Senger, Mitchell J, Bertoni, Andrea, Perebeinos, Vasili, Minot, Ethan D

“…Carbon nanotube (CNT) photodiodes have the potential to convert light into electrical current with high efficiency. However, previous experiments have revealed…”
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Nutrient Uptake as a Contributing Explanation for Deep Rooting in Arid and Semi-Arid Ecosystems by McCulley, R. L., Jobbágy, E. G., Pockman, W. T., Jackson, R. B.

“…Explanations for the occurrence of deep-rooted plants in arid and semi-arid ecosystems have traditionally emphasized the uptake of relatively deep soil water…”
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Giant modulation of the electronic band gap of carbon nanotubes by dielectric screening by Aspitarte, Lee, McCulley, Daniel R., Bertoni, Andrea, Island, Joshua O., Ostermann, Marvin, Rontani, Massimo, Steele, Gary A., Minot, Ethan D.

“…Carbon nanotubes (CNTs) are a promising material for high-performance electronics beyond silicon. But unlike silicon, the nature of the transport band gap in…”
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Drivers of the microbial metabolic quotient across global grasslands by Risch, A. C., Zimmermann, S., Schütz, M., Borer, E. T., Broadbent, A. A. D., Caldeira, M. C., Davies, K. F., Eisenhauer, N., Eskelinen, A., Fay, P. A., Hagedorn, F., Knops, J. M. H., Lembrechts, J. J., MacDougall, A. S., McCulley, R. L., Melbourne, B. A., Moore, J. L., Power, S. A., Seabloom, E. W., Silviera, M. L., Virtanen, R., Yahdjian, L., Ochoa‐Hueso, R.

“…Aim The microbial metabolic quotient (MMQ; mg CO2‐C/mg MBC/h), defined as the amount of microbial CO2 respired (MR; mg CO2‐C/kg soil/h) per unit of microbial…”
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Soil respiration and nutrient cycling in wooded communities developing in grassland by McCulley, R. L., Archer, S. R., Boutton, T. W., Hons, F. M., Zuberer, D. A.

“…Grasslands and savannas worldwide are experiencing increases in woody plant abundance. In the subtropical Rio Grande Plains of southern Texas and northern…”
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Alkaloid Quantities in Endophyte-Infected Tall Fescue are Affected by the Plant-Fungus Combination and Environment by Helander, M, Phillips, T, Faeth, S. H, Bush, L. P, McCulley, R, Saloniemi, I, Saikkonen, K

“…Many grass species are symbiotic with systemic, vertically-transmitted, asymptomatic Epichloë endophytic fungi. These fungi often produce alkaloids that defend…”
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Conversion of Tallgrass Prairie to Woodland: Consequences for Carbon and Nitrogen Cycling by Mcculley, R. L, Jackson, R. B

“…Woody plant encroachment and proliferation in grasslands is occurring worldwide and has significant but variable effects on ecosystem processes, including…”
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Phosphorus biogeochemistry across a precipitation gradient in grasslands of central North America by Ippolito, J.A., Blecker, S.W., Freeman, C.L., McCulley, R.L., Blair, J.M., Kelly, E.F.

“…Soil P transformations and distribution studies under water limited conditions that characterize many grasslands may provide further insight into the…”
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Microbial community composition across the Great Plains: Landscape versus regional variability by MCCULLEY, R. L, BURKE, I. C

“…Rates of nutrient cycling vary across landscape and regional scales. This biogeochemical variability can be partially attributed to patterns in plant community…”
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Photocurrent Quantum Yield in Suspended Carbon Nanotube p–n Junctions by Aspitarte, Lee, McCulley, Daniel R, Minot, Ethan D

“…We study photocurrent generation in individual suspended carbon nanotube p–n junctions using spectrally resolved scanning photocurrent microscopy. Spatial maps…”
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Quantum Interferences in Ultraclean Carbon Nanotubes by Lotfizadeh, Neda, Senger, Mitchell J., McCulley, Daniel R., Minot, Ethan D., Deshpande, Vikram V.

“…Electronic analogs of optical interferences are powerful tools to investigate quantum phenomena in condensed matter. In carbon nanotubes (CNTs), it is well…”
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Chondrocyte response to cyclic hydrostatic pressure in alginate versus pellet culture by Elder, Steven H., Sanders, Shawn W., McCulley, William R., Marr, Misti L., Shim, Joon W., Hasty, Karen A.

“…Cells are often cultured at high density (e.g., confluent monolayer and as pellets) to promote chondrogenic differentiation and to maintain the chondrocyte…”
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Band-Gap-Dependent Electronic Compressibility of Carbon Nanotubes in the Wigner Crystal Regime by Lotfizadeh, Neda, McCulley, Daniel R., Senger, Mitchell J., Fu, Han, Minot, Ethan D., Skinner, Brian, Deshpande, Vikram V.

“…Electronic compressibility, the second derivative of ground-state energy with respect to total electron number, is a measurable quantity that reveals the…”
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Comment on "A reservoir of nitrate beneath desert soils" by Jackson, R B, Berthrong, S T, Cook, C W, Jobbágy, E G, McCulley, R L

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Regional patterns in carbon cycling across the Great Plains of North America by McCulley, R.L, Burke, I.C, Nelson, J.A, Lauenroth, W.K, Knapp, A.K, Kelly, E.F

“…The large organic carbon (C) pools found in noncultivated grassland soils suggest that historically these ecosystems have had high rates of C sequestration…”
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Cover crops and no-tillage reduce crop production costs and soil loss, compensating for lack of short-term soil quality improvement in a maize and soybean production system by Jacobs, A.A., Evans, R. Stout, Allison, J.K., Garner, E.R., Kingery, W.L., McCulley, R.L.

“…Conservation agriculture has been marketed to producers as a sustainable way to increase soil productivity and buffer the effects of anticipated fluctuations…”
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