Search Results - "Olszyk, D M"

Relationships between needle nitrogen concentration and photosynthetic responses of Douglas-fir seedlings to elevated CO2 and temperature by Lewis, J. D., Lucash, M., Olszyk, D. M., Tingey, D. T.

“…• Here we examined correlations between needle nitrogen concentration ([N]) and photosynthetic responses of Douglas-fir (Pseudotsuga menziesii) seedlings to…”
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Isotopic estimates of new carbon inputs into litter and soils in a four-year climate change experiment with Douglas-fir by Hobbie, E.A, Johnson, M.G, Rygiewicz, P.T, Tingey, D.T, Olszyk, D.M

“…Because soil is a major reservoir of terrestrial carbon and a potential sink for atmospheric CO2, determining plant inputs to soil carbon is critical for…”
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Stomatal responses of Douglas‐fir seedlings to elevated carbon dioxide and temperature during the third and fourth years of exposure by Lewis, J. D., Lucash, M., Olszyk, D. M., Tingey, D. T.

“…Two major components of climate change, increasing atmospheric [CO2] and increasing temperature, may substantially alter the effects of water availability to…”
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Interactive effects of CO2 and O3 on a ponderosa pine plant/litter/ soil mesocosm by OLSZYK, D. M, JOHNSON, M. G, PHILLIPS, D. L, SEIDLER, R. J, TINGEY, D. T, WATRUD, L. S

“…To study individual and combined impacts of two important atmospheric trace gases, CO2 and O3, on C and N cycling in forest ecosystems; a multi-year experiment…”
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Global climate change, rice productivity and methane emissions: comparison of simulated and experimental results by Olszyk, D.M, Centeno, H.G.S, Ziska, L.H, Kern, J.S, Matthews, R.B

“…Irrigated rice production is a major food source for a large portion of the world’s population, and a major anthropogenic source of the greenhouse gas methane…”
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Effects of nitrogen nutrition on responses of rice seedlings to carbon dioxide by Weerakoon, Weerakoon M, Olszyk, David M, Moss, Dale N

“…Global atmospheric CO 2 concentration is increasing, likely increasing the productivity of crops as higher CO 2 enhances plant photosynthesis. Responsiveness…”
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Foliar nitrogen concentrations and natural abundance of (15)N suggest nitrogen allocation patterns of Douglas-fir and mycorrhizal fungi during development in elevated carbon dioxide concentration and temperature by Hobbie, E A, Olszyk, D M, Rygiewicz, P T, Tingey, D T, Johnson, M G

“…Pseudotsuga menziesii (Mirb.) Franco (Douglas-fir) seedlings were grown in a 2 x 2 factorial design in enclosed mesocosms at ambient temperature or 3.5 degrees…”
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Response of oxidative stress defense systems in rice (Oryza sativa) leaves with supplemental UV-B radiation by Dai, Q, Yan, B, Huang, S, Liu, X, Peng, S, Miranda, M.L.L, Chavez, A.Q, Vergara, B.S, Olszyk, D.M. (US Environmental Protection Agency, Corvallis (USA))

“…Abstract only…”
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Contributions of current year photosynthate to fine roots estimated using a 13C-depleted CO2 source by HOBBIE, E. A, TINGEY, D. T, RYGIEWICZ, P. T, JOHNSON, M. G, OLSZYK, D. M

“…The quantification of root turnover is necessary for a complete understanding of plant carbon (C) budgets, especially in terms of impacts of global climate…”
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Depression of photosynthesis, growth, and yield in field-grown green pepper (Capsicum annuum L.) exposed to acidic fog and ambient ozone by Takemoto, B.K, Bytnerowicz, A, Olszyk, D.M

“…The relationship among physiological, injury, growth, and yield responses was examined in field-grown green pepper (Capsicum annuum L. 'California Wonder')…”
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Physiology and Yield of Field-Grown Brassica oleracea L. Exposed to Acidic Fog by Takemoto, B. K., Johnson, A. G., Parada, C. R., Olszyk, D. M.

“…Field-grown Brassica oleracea L. cv. Emperor (broccoli) plants were exposed to a range of treatments with simulated acidic fog in open-field plots to examine…”
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Foliar nitrogen concentrations and natural abundance of 15N suggest nitrogen allocation patterns of Douglas-fir and mycorrhizal fungi during development in elevated carbon dioxide concentration and temperature by Hobbie, E. A., Olszyk, D. M., Rygiewicz, P. T., Tingey, D. T., Johnson, M. G.

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Interspecific variation in SO2 flux. Leaf surface versus internal flux, and components of leaf conductance by Olszyk, D.M, Tingey, D.T

“…The objective of this study was to clarify the relationships among stomatal, residual, and epidermal conductances in determining the flux of SO2 air pollution…”
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The carbon dioxide leakage from chambers measured using sulfur hexafluoride by Tingey, David T, Waschmann, Ronald S, Phillips, Donald L, Olszyk, David M

“…In plant chamber studies, if CO 2 leaking from a chamber is not quantified, it can lead to an overestimate of assimilation rates and an underestimate of…”
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Utilization of a response-surface technique in the study of plant responses to ozone and sulfur dioxide mixtures [Lettuce, garden peas, radishes, foliar injuries of pollutants] by Ormrod, Douglas P., Tingey, David T., Gumpertz, Marcia L., Olszyk, David M.

“…A second order rotatable design was used to obtain polynomial equations describing the effects of combinations of sulfur dioxide (SO2) and ozone (O3) on foliar…”
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Morphogenesis of Douglas-fir buds is altered at elevated temperature but not at elevated CO2 by APPLE, M. E, LUCASH, M. S, OLSZYK, D. M, TINGEY, D. T

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Digital Image Analysis to Estimate Leaf Area by Baker, Brent, Olszyk, David M., Tingey, David

“…Digital image processing was evaluated as a nondestructive technique to estimate leaf area of Douglas-firtrees ( Pseudotsuga menziesii). Four photographs were…”
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Internal temperature of Douglas-fir buds is altered at elevated temperature by Apple, Martha E., Lucash, Melissa S., Phillips, Donald L., Olszyk, David M., Tingey, David T.

“…Pseudotsuga menziesii (Douglas-fir) saplings were grown in sun-lit controlled environment chambers at ambient or elevated (+4°C above ambient) temperature. We…”
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Supplemental ultraviolet-B radiation does not reduce growth or grain yield in rice by Dai, Q. (IRRI, Manila, Philippines.), Peng, S, Chavez, A.Q, Miranda, M.L.L, Vergara, B.S, Olszyk, D.M

“…Negative effects of enhanced UV-B radiation have been demonstrated in plants, but impacts under realistic field conditions remain uncertain. Adverse impacts to…”
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Phytotoxicity of air pollutants. Evidence for the photodetoxification of SO2 [sulfur dioxide] but not O3 [Ozone, Pisum sativum, peas, Lycopersicon esculentum, tomatoes] by Olszyk, D.M, Tingey, D.T

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