Search Results - "Boutton, T.W."

Soil microbial biomass response to woody plant invasion of grassland by Liao, J.D., Boutton, T.W.

“…Woody plant proliferation in grasslands and savannas has been documented worldwide in recent history. To better understand the consequences of this vegetation…”
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Storage and dynamics of carbon and nitrogen in soil physical fractions following woody plant invasion of grassland by Liao, J.D., Boutton, T.W., Jastrow, J.D.

“…Woody plant invasion of grasslands is prevalent worldwide. In the Rio Grande Plains of Texas, subtropical thorn woodlands dominated by C 3 trees/shrubs have…”
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Black carbon in a temperate mixed-grass savanna by Dai, X., Boutton, T.W., Glaser, B., Ansley, R.J., Zech, W.

“…Black carbon (BC) or charcoal is thought to represent an important component of the carbon cycle, but has seldom been quantified in soils. We quantified soil…”
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Carbon dynamics of aggregate-associated organic matter estimated by carbon-13 natural abundance by Jastrow, J.D. (Argonne Natl. Lab., Argonne, IL.), Boutton, T.W, Miller, R.W

“…A major factor controlling soil organic matter dynamics is believed to be the differing degrees of protection from decomposition afforded by the spatially…”
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Above-ground biomass and carbon and nitrogen content of woody species in a subtropical thornscrub parkland by Northup, B.K., Zitzer, S.F., Archer, S., McMurtry, C.R., Boutton, T.W.

“…Regression equations were developed to predict above-ground biomass, carbon and nitrogen content from stem and canopy dimensions for 10 shrub species common to…”
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Organic matter turnover in soil physical fractions following woody plant invasion of grassland: Evidence from natural 13C and 15N by Liao, J.D., Boutton, T.W., Jastrow, J.D.

“…Soil physical structure causes differential accessibility of soil organic carbon (SOC) to decomposer organisms and is an important determinant of SOC storage…”
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Ecosystems in flux: Molecular and stable isotope assessments of soil organic matter storage and dynamics by Filley, T.R., Boutton, T.W.

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Plant Community and Soil Microbial Carbon and Nitrogen Responses to Fire and Clipping in a Southern Mixed Grassland by Harris, W. N., Boutton, T. W., Ansley, R. J.

“…Disturbances, such as fire and grazing, play important roles in determining grassland plant community composition and soil microbial dynamics, as well as…”
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Soil C and N storage and microbial biomass in US southern pine forests: Influence of forest management by Foote, J.A., Boutton, T.W., Scott, D.A.

“…•Forest harvest intensity impacts on Gulf Coastal Plain biogeochemistry at 15years.•SOC, TN, root mass, microbial biomass, and litter were studied 15years…”
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Vegetation dynamics in a Quercus-Juniperus savanna: An isotopic assessment by Jessup, K. E, Barnes, P. W, Boutton, T. W

“…Woody plants are increasing in many grassland and savanna ecosystems around the world. As a case in point, the Edwards Plateau of Texas, USA, is a vast region…”
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Soil carbonate decomposition by acid has little effect on δ13C of organic matter by Midwood, A.J., Boutton, T.W.

“…The δ 13C of soil organic C is often utilized to document vegetation changes and to estimate rates of soil organic C turnover. Soil carbonate C is isotopically…”
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Grazing and ecosystem carbon storage in the North American Great Plains by Derner, J.D, Boutton, T.W, Briske, D.D

“…Isotopic signatures of 13C were used to quantify the relative contributions of C3 and C4 plants to whole-ecosystem C storage (soil+plant) in grazed and…”
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Root Biomass and Distribution Patterns in a Semi-Arid Mesquite Savanna: Responses to Long-Term Rainfall Manipulation by Ansley, R. J., Boutton, T. W., Jacoby, P. W.

“…Expansion of woody plants in North American grasslands and savannas is facilitated in part by root system adaptation to climatic extremes. Climatic extremes…”
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Controls on soil carbon accumulation during woody plant encroachment: Evidence from physical fractionation, soil respiration, and δ13C of respired CO2 by CREAMER, C. A, FILLEY, T. R, BUTTON, T. W, OLEYNIK, S, KANTOLA, I. B

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Elevated atmospheric carbon dioxide increases soil carbon by Jastrow, J.D, Miller, R.M, Matamala, R, Norby, R.J, Boutton, T.W, Rice, C.W, Owensby, C.E

“…The general lack of significant changes in mineral soil C stocks during CO2‐enrichment experiments has cast doubt on predictions that increased soil C can…”
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Soil Respiration in a Subtropical Savanna Parkland: Response to Water Additions by McCulley, R.L, Boutton, T.W, Archer, S.R

“…Soil respiration (SR) is controlled by abiotic parameters (temperature, water availability) interacting with biotic characteristics of the vegetation (quantity…”
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Controls on soil carbon accumulation during woody plant encroachment: Evidence from physical fractionation, soil respiration, and δ 13C of respired CO 2 by Creamer, C.A., Filley, T.R., Boutton, T.W., Oleynik, S., Kantola, I.B.

“…Woody plant encroachment into grasslands and savannas is a globally extensive land-cover change that alters biogeochemical processes and frequently results in…”
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Drought Responses of Mycorrhizal and Nonmycorrhizal Neem Plants of Comparable Size and Tissue Nutrition by Phavaphutanon, L, Davies, F.T., Jr, Boutton, T.W, Duray, S.A

“…Mycorrhizal (VAM) and phosphorus (P)-supplemented nonmycorrhizal neem plants (non-VAM) of comparable size and tissue nutrition were subjected to a slowly…”
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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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Vertic processes and specificity of organic matter properties and distribution in Vertisols by Kovda, I., Morgun, E., Boutton, T. W.

“…Soil organic matter (SOM) was studied in relation to vertic processes (i.e., shrinking/swelling, cracking, vertical turbation, lateral shearing, gilgai…”
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