Search Results - "Hogsett, William E."

Estimates of Douglas-fir fine root production and mortality from minirhizotrons by Tingey, David T., Phillips, Donald L., Johnson, Mark G., Rygiewicz, Paul T., Beedlow, Peter A., Hogsett, William E.

“…Minirhizotrons were used to assess the influence of soil resources on fine root (diameter ≤ 2 mm) production, mortality, and standing crop over a 2-year…”
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Nitrogen Export from Forested Watersheds in the Oregon Coast Range: The Role of N2-Fixing Red Alder by Compton, Jana E., Church, M. Robbins, Larned, Scott T., Hogsett, William E.

“…Variations in plant community composition across the landscape can influence nutrient retention and loss at the watershed scale. A striking example of plant…”
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Seasonal and long-term effects of CO2 and O3 on water loss in ponderosa pine and their interaction with climate and soil moisture by Lee, E. Henry, Tingey, David T, Waschmann, Ronald S, Phillips, Donald L, Olszyk, David M, Johnson, Mark G, Hogsett, William E

“…Evapotranspiration (ET) is driven by evaporative demand, available solar energy and soil moisture (SM) as well as by plant physiological activity which may be…”
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Approach for Evaluating the Effectiveness of Various Ozone Air Quality Standards for Protecting Trees by Hogsett, William E, Tingey, David T, Lee, E. Henry, Beedlow, Peter A, Andersen, Christian P

“…We demonstrate an approach for evaluating the level of protection attained using a variety of forms and levels of past, current, and proposed Air Quality…”
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History of tropospheric ozone for the San Bernardino Mountains of Southern California, 1963–1999 by Lee, E.Henry, Tingey, David T., Hogsett, William E., Laurence, John A.

“…A historical database of hourly O 3 concentrations for Crestline, California in 1963–1999 has been developed based on all relevant oxidant/ozone monitoring…”
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Stricter ozone ambient air quality standard has beneficial effect on ponderosa pine in California by TINGEY, David T, HOGSETT, William E, LEE, E. Henry, LAURENCE, John A

“…Ambient air quality standards and control strategies are implemented to protect humans and vegetation from adverse effects. We used a process-based tree-growth…”
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Pod development increases the ozone sensitivity of Phaseolus vulgaris by TINGEY, David T, RODECAP, Kent D, LEE, E. Henry, HOGSETT, William E, GREGG, Jillian W

“…The objective of this study was to determine if theO^sub 3^sensitivity of Phaseolus vulgaris L. changed withplant development. Plants exposed to…”
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Interpolation of temperature and non-urban ozone exposure at high spatial resolution over the western United States by Lee, E. Henry, Hogsett, William E.

“…In order to assess the impact of natural and anthropogenic stresses on forest ecosystems, it is necessary to interpolate air temperature and tropospheric ozone…”
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Nitrogen Export from Forested Watersheds in the Oregon Coast Range: The Role of N 2 -fixing Red Alder by Compton, Jana E., Church, M. Robbins, Larned, Scott T., Hogsett, William E.

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Hydroxyl free radical mediated formation of 8-hydroxyguanine in isolated DNA by Floyd, R A, West, M S, Eneff, K L, Hogsett, W E, Tingey, D T

“…Formation of 8-hydroxyguanine within calf thymus DNA has been studied after exposure to uv-H2O2 as a hydroxyl free radical generating system. Using…”
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Water stress reduces ozone injury via a stomatal mechanism by Tingey, D.T, Hogsett, W.E

“…Various studies have shown that water-stressed plants are more tolerant of ozone exposures than are unstressed plants. Two probable explanations for this…”
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ENVIRONMENTAL AUDITING: An Approach for Characterizing Tropospheric Ozone Risk to Forests by HOGSETT, WE, WEBER, JE, TINGEY, D, HERSTROM, A, LEE, EH, LAURENCE, JA

“…/ The risk tropospheric ozone poses to forests in the United States is dependent on the variation in ozone exposure across the distribution of the forests in…”
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Increased 8-hydroxyguanine content of chloroplast DNA from ozone-treated plants by Floyd, R.A. (Oklahoma Medical Research Foundation, Oklahoma City, OK), West, M.S, Hogsett, W.E, Tingey, D.T

“…The mechanism of ozone-mediated plant injury is not known but has been postulated to involve oxygen free radicals. Hydroxyl free radicals react with DNA…”
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Ecological and Water Quality Consequences of Nutrient Addition for Salmon Restoration in the Pacific Northwest by Compton, Jana E., Andersen, Christian P., Phillips, Donald L., Brooks, J. Renée, Johnson, Mark G., Church, M. Robbins, Hogsett, William E., Cairns, Michael A., Rygiewicz, Paul T., McComb, Brenda C., Shaff, Courtney D.

“…Salmon runs have declined over the past two centuries in the Pacific Northwest region of North America. Reduced inputs of salmon-derived organic matter and…”
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Rising atmospheric CO2 and carbon sequestration in forests by Beedlow, Peter A., Tingey, David T., Phillips, Donald L., Hogsett, William E., Olszyk, David M.

“…Rising CO2 concentrations in the atmosphere could alter Earth's climate system, but it is thought that higher concentrations may improve plant growth through a…”
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Rising Atmospheric CO2and Carbon Sequestration in Forests by Beedlow, Peter A., Tingey, David T., Phillips, Donald L., Hogsett, William E., Olszyk, David M.

“…Rising CO2concentrations in the atmosphere could alter Earth's climate system, but it is thought that higher concentrations may improve plant growth through a…”
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Rising Atmospheric CO 2 and Carbon Sequestration in Forests by Beedlow, Peter A., Tingey, David T., Phillips, Donald L., Hogsett, William E., Olszyk, David M.

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Rising atmospheric CO 2 and carbon sequestration in forests by Beedlow, Peter A., Tingey, David T., Phillips, Donald L., Hogsett, William E., Olszyk, David M.

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Seasonal changes in above- and belowground carbohydrate concentrations of ponderosa pine along a pollution gradient by Grulke, N E, Andersen, C P, Hogsett, W E

“…Seasonal patterns of carbohydrate concentration in coarse and fine roots, stem or bole, and foliage of ponderosa pine (Pinus ponderosa Laws) were described…”
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Isolation of polysaccharides sulfated during early embryogenesis in Fucus [distichus] by Hogsett, William E., Quatrano, Ralph S.

“…Beginning 10 hours after fertilization, zygotes of Fucus distichus L. Powell incorporate 35S into polysaccharides as a sulfate ester of fucose. These sulfated…”
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