Search Results - "Ball, J. Timothy"

Preliminary Results from a Wildfire Detection System Using Deep Learning on Remote Camera Images by Govil, Kinshuk, Welch, Morgan L., Ball, J. Timothy, Pennypacker, Carlton R.

“…Pioneering networks of cameras that can search for wildland fire signatures have been in development for some years (High Performance Wireless Research &…”
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CO₂ and N-Fertilization Effects on Fine-Root Length, Production, and Mortality: A 4-Year Ponderosa Pine Study by Phillips, Donald L., Johnson, Mark G., Tingey, David T., Storm, Marjorie J., Ball, J. Timothy, Johnson, Dale W.

“…We conducted a 4-year study of juvenile Pinus ponderosa fine root (≤ 2 mm) responses to atmospheric CO₂ and N-fertilization. Seedlings were grown in open-top…”
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The photosynthesis - leaf nitrogen relationship at ambient and elevated atmospheric carbon dioxide: a meta-analysis by Peterson, Andrew G., Ball, J. Timothy, Luo, YiqI, Field, Christopher B., Reich, Peter B., Curtis, Peter S., Griffin, Kevin L., Gunderson, Carla A., Norby, Richard J., Tissue, David T., Forstreuter, Manfred, Rey, AnA, Vogel, Christoph S., Participants, Cmeal

“…Estimation of leaf photosynthetic rate (A) from leaf nitrogen content (N) is both conceptually and numerically important in models of plant, ecosystem, and…”
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Topography of Photosynthetic Activity of Leaves Obtained from Video Images of Chlorophyll Fluorescence by Paul F. Daley, Raschke, Klaus, Ball, J. Timothy, Berry, Joseph A.

“…The distribution of photosynthetic activity over the area of a leaf and its change with time was determined (at low partial pressure of O2) by recording images…”
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Photosynthetic adjustment in field-grown ponderosa pine trees after six years of exposure to elevated CO2 by Tissue, D.T, Griffin, K.L, Ball, T

“…Photosynthesis of tree seedlings is generally enhanced during short-term exposure to elevated atmospheric CO(2), but longer-term photosynthetic responses are…”
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Carbon budgeting in plant-soil mesocosms under elevated CO2: locally missing carbon? by Cheng, Weixin, Sims, Daniel A., Luo, Yiqi, Johnson, Dale W., Ball, J. Timothy, Coleman, James S.

“…Summary Studies have suggested that more carbon is fixed due to a large increase in photosynthesis in plant–soil systems exposed to elevated CO2 than could…”
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Carbon budgeting in plant–soil mesocosms under elevated CO 2 : locally missing carbon? by Cheng, Weixin, Sims, Daniel A., Luo, Yiqi, Johnson, Dale W., Ball, J. Timothy, Coleman, James S.

“…Studies have suggested that more carbon is fixed due to a large increase in photosynthesis in plant–soil systems exposed to elevated CO 2 than could…”
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Effects of elevated CO2 and N fertilization on fine root dynamics and fungal growth in seedling Pinus ponderosa by TINGEY, D. T, PHILLIPS, D. L, JOHNSON, M. G, STORM, M. J, BALL, J. T

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Stem maintenance and construction respiration in Pinus ponderosa grown in different concentrations of atmospheric CO2 by Carey, E.V, DeLucia, E.H, Ball, J.T

“…To determine whether long-term growth in enriched CO2 atmospheres changes the woody tissue respiration component of aboveground carbon budgets, we measured…”
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Lessons from lysimeters: soil N release from disturbance compromises controlled environment study by Johnson, Dale W., Walker, Roger F., Ball, J. Timothy

“…A controlled environment study of the effects of carbon dioxide (CO"2) and nitrogen (N) on growth of ponderosa pine seedlings produced results contradictory to…”
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Direct and indirect effects of elevated CO2 on whole-shoot respiration in ponderosa pine seedlings by Griffin, K. L., Ball, J. T., Strain, B. R.

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Photosynthetic adjustment in field-grown ponderosa pine trees after six years of exposure to elevated CO(2) by Tissue, David T., Griffin, Kevin L., Ball, J. Timothy

“…Photosynthesis of tree seedlings is generally enhanced during short-term exposure to elevated atmospheric CO(2), but longer-term photosynthetic responses are…”
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Topography of Photosynthetic Activity of Leaves Obtained from Video Images of Chlorophyll Fluorescence 1 by Daley, Paul F., Raschke, Klaus, Ball, J. Timothy, Berry, Joseph A.

“…The distribution of photosynthetic activity over the area of a leaf and its change with time was determined (at low partial pressure of O 2 ) by recording…”
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Stem maintenance and construction respiration in Pinus ponderosa grown in different concentrations of atmospheric CO(2) by Carey, Eileen V., DeLucia, Evan H., Ball, J. Timothy

“…To determine whether long-term growth in enriched CO(2) atmospheres changes the woody tissue respiration component of aboveground carbon budgets, we measured…”
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Direct and indirect effects of elevated CO(2) on whole-shoot respiration in ponderosa pine seedlings by Griffin, Kevin L., Ball, J. Timothy, Strain, Boyd R.

“…We determined the short-term direct and long-term indirect effects of CO(2) on apparent dark respiration (CO(2) efflux in the dark) in ponderosa pine (Pinus…”
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Environmental pollution and impacts on soils and forests nutrition in North America by Johnson, D.W. (Biological Sciences Center, Reno, NV (USA). Desert Research Inst.), Ball, J.T

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Effects of elevated CO(2) and nitrogen on the synchrony of shoot and root growth in ponderosa pine by Tingey, David T., Johnson, Mark G., Phillips, Donald L., Johnson, Dale W., Ball, J. Timothy

“…We monitored effects of elevated CO(2) and N fertilization on shoot and fine root growth of Pinus ponderosa Dougl. ex P. Laws. and C. Laws. grown in native…”
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