Search Results - "Davidson, EA"

Agriculture: sustainable crop and animal production to help mitigate nitrous oxide emissions by Snyder, CS, Davidson, EA, Smith, P, Venterea, RT

“…•Selecting the right source, rate, time and place of N application is important.•New technologies and greater farmer/adviser skills can improve N input…”
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distinct seasonal pattern of the ratio of soil respiration to total ecosystem respiration in a spruce-dominated forest by Davidson, E.A, Richardson, A.D, Savage, K.E, Hollinger, D.Y

“…Annual budgets and fitted temperature response curves for soil respiration and ecosystem respiration provide useful information for partitioning annual carbon…”
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Spatial and temporal variability in forest-atmosphere CO₂ exchange. [Erratum: 2004 Nov., v. 10, no. 11, p. 1961.] by Hollinger, D.Y, Aber, J, Dail, B, Davidson, E.A, Goltz, S.M, Hughes, H, Leclerc, M.Y, Lee, J.T, Richardson, A.D, Rodrigues, C

“…Seven years of carbon dioxide flux measurements indicate that a approximaely 90-year-old spruce dominated forest in Maine, USA, has been sequestering 174±46 g…”
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On the variability of respiration in terrestrial ecosystems: moving beyond Q by Davidson, Eric A, Janssens, Ivan A, Luo, Yiqi

“…Respiration, which is the second most important carbon flux in ecosystems following gross primary productivity, is typically represented in biogeochemical…”
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Temperature sensitivity of soil carbon decomposition and feedbacks to climate change by Davidson, E.A, Janssens, I.A

“…Significantly more carbon is stored in the world's soils-including peatlands, wetlands and permafrost-than is present in the atmosphere. Disagreement exists,…”
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Effects of experimental drought on soil respiration and radiocarbon efflux from a temperate forest soil by BORKEN, WERNER, SAVAGE, KATHLEEN, DAVIDSON, ERIC A., TRUMBORE, SUSAN E.

“…Soil moisture affects microbial decay of SOM and rhizosphere respiration (RR) in temperate forest soils, but isolating the response of soil respiration (SR) to…”
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Minimizing artifacts and biases in chamber-based measurements of soil respiration by Davidson, E.A, Savage, K, Verchot, L.V, Navarro, Rosa

“…Soil respiration is one of the largest and most important fluxes of carbon in terrestrial ecosystems. While eddy covariance methods are becoming widely used to…”
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Biogeochemistry Soil warming and organic carbon content by Davidson, Eric A, Trumbore, Susan E, Amundson, Ronald

“…Soils store two or three times more carbon than exists in the atmosphere as CO2, and it is thought that the temperature sensitivity of decomposing organic…”
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N-related greenhouse gases in North America: innovations for a sustainable future by Davidson, EA, Galloway, JN, Millar, N, Leach, AM

“…•The agricultural sector produces 70–75% of anthropogenic N2O in North America.•Nitrogen use efficiency has improved, but social and economic impediments…”
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Deep Root Function in Soil Water Dynamics in Cerrado Savannas of Central Brazil by Oliveira, R. S., Bezerra, L., Davidson, E. A., Pinto, F., Klink, C. A., Nepstad, D. C., Moreira, A.

“…1. Water is a key resource in tropical savannas. Changes in vegetation structure due to land-use change and increased fire frequency may affect the…”
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A mechanism of abiotic immobilization of nitrate in forest ecosystems: the ferrous wheel hypothesis by Davidson, Eric A., Chorover, Jon, Dail, D. Bryan

“…Forest soils, rather than woody biomass, are the dominant long‐term sink for N in forest fertilization studies and, by inference, for N from atmospheric…”
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Effects of an experimental drought on soil emissions of carbon dioxide, methane, nitrous oxide, and nitric oxide in a moist tropical forest by Davidson, E.A, Ishida, F.Y, Nepstad, D.C

“…Changes in precipitation in the Amazon Basin resulting from regional deforestation, global warming, and El Niño events may affect emissions of carbon dioxide…”
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Soil water content and temperature as independent or confounded factors controlling soil respiration in a temperate mixed hardwood forest by Davidson, EriC. A., Belk, Elizabeth, Boone, Richard D.

“…Variation in soil temperature can account for most of the seasonal and diel variation in soil CO2 efflux, but the temperature effect is not always consistent,…”
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A comparison of manual and automated systems for soil CO2 flux measurements: trade‐offs between spatial and temporal resolution by Savage, Kathleen E., Davidson, Eric A.

“…Soil respiration is affected by distributions of roots and soil carbon substrates and by temperature and soil water content, all of which vary spatially and…”
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Testing a Conceptual Model of Soil Emissions of Nitrous and Nitric Oxides by Davidson, Eric A., Keller, Michael, Erickson, Heather E., Verchot, Louis V., Veldkamp, Edzo

“…Using two functions based on soil nitrogen availability and soil water content, the hole-in-the-pipe model characterizes a large fraction of the observed…”
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Effect of summer throughfall exclusion, summer drought, and winter snow cover on methane fluxes in a temperate forest soil by Borken, Werner, Davidson, Eric A., Savage, Kathleen, Sundquist, Eric T., Steudler, Paul

“…Soil moisture strongly controls the uptake of atmospheric methane by limiting the diffusion of methane into the soil, resulting in a negative correlation…”
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Interannual variation of soil respiration in two New England forests by Savage, K. E., Davidson, E. A.

“…Soil respiration is an important component of the annual carbon balance of forests, but few studies have addressed interannual variation in soil respiration…”
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Drying and Wetting Effects on Carbon Dioxide Release from Organic Horizons by Borken, W., Davidson, E. A., Savage, K., Gaudinski, J., Trumbore, S. E.

“…Drying and wetting cycles of O horizon in forest soils have not received much attention, partly due to methodological limitations for nondestructive monitoring…”
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Soil Carbon Cycling in a Temperate Forest: Radiocarbon-Based Estimates of Residence Times, Sequestration Rates and Partitioning of Fluxes by Gaudinski, Julia B., Trumbore, Susan E., Davidson, Eric A., Zheng, Shuhui

“…Temperate forests of North America are thought to be significant sinks of atmospheric CO2. We developed a below-ground carbon (C) budget for well-drained soils…”
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Nitrogen and Phosphorus Limitation of Biomass Growth in a Tropical Secondary Forest by Davidson, Eric A., Cláudio J. Reis de Carvalho, Ima C. G. Vieira, Ricardo de O. Figueiredo, Paulo Moutinho, Françoise Yoko Ishida, Maria Tereza Primo dos Santos, José Benito Guerrero, Kemel Kalif, Renata Tuma Sabá

“…Understanding secondary successional processes in Amazonian terrestrial ecosystems is becoming increasingly important as continued deforestation expands the…”
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