Research Topics
| Bruce A HungateSummaryAffiliation: Northern Arizona University Country: USA Publications
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Detail Information
Publications
Atmospheric science. Nitrogen and climate changeBruce A Hungate
Department of Biological Sciences and the Merriam-Powell Center for Environmental Research, Northern Arizona University, Flagstaff, AZ 86011, USA
Science 302:1512-3. 2003
Accounting for risk in valuing forest carbon offsetsMatthew D Hurteau
Department of Biological Sciences and Merriam Powell Center for Environmental Research, PO Box 6077, Flagstaff, AZ 86011, USA
Carbon Balance Manag 4:1. 2009..This ecosystem service is recognized in greenhouse gas protocols and cap-and-trade mechanisms, yet forest carbon is valued equally regardless of forest type, an approach that fails to account for risk of carbon loss from disturbance...
Soil responses to management, increased precipitation, and added nitrogen in ponderosa pine forestsBruce A Hungate
Department of Biological Sciences, Northern Arizona University, Flagstaff, Arizona 86011, USA
Ecol Appl 17:1352-65. 2007..Restoration plans should consider the potential impact on long-term forest productivity of greater N losses from a more open N cycle, especially during the period immediately after thinning and burning...
Nitrogen cycling during seven years of atmospheric CO2 enrichment in a scrub oak woodlandBruce A Hungate
Department of Biological Sciences and Merriam Powell Center for Environmental Research, Northern Arizona University, Flagstaff 86011, USA
Ecology 87:26-40. 2006..In N limited ecosystems, such changes in N cycling are likely to reduce the response of plant production to elevated CO2...
CO2 elicits long-term decline in nitrogen fixationBruce A Hungate
Department of Biological Sciences and Merriam-Powell Center for Environmental Research, Northern Arizona University, Flagstaff, AZ 86011, USA
Science 304:1291. 2004
Plant-soil distribution of potentially toxic elements in response to elevated atmospheric CO2Benjamin D Duval
Department of Biological Sciences and Merriam Powell Center for Environmental Research, Northern Arizona University, Flagstaff, Arizona 86011, United States
Environ Sci Technol 45:2570-4. 2011..Our results highlight the interdependence of element cycles and the importance of taking a broad view of the periodic table when the effects of global environmental change on ecosystem biogeochemistry are considered...
15N enrichment as an integrator of the effects of C and N on microbial metabolism and ecosystem functionPaul Dijkstra
Department of Biological Sciences, Northern Arizona University, PO Box 5640, Flagstaff, AZ 86011, USA
Ecol Lett 11:389-97. 2008..Thus, (15)N enrichment of the soil microbial biomass integrates the effects of C and N availability on microbial metabolism and ecosystem processes...
Nitrogen source influences natural abundance (15)N of Escherichia coliJessica G Collins
Department of Biological Sciences, Northern Arizona University, Flagstaff, AZ 86011, USA
FEMS Microbiol Lett 282:246-50. 2008..1-9.1 per thousand) relative to the source. By measuring (15)N enrichment of microorganisms relative to nitrogen pools, ecosystem ecologists may be able to determine if microorganisms are assimilating or mineralizing nitrogen...
Increased soil emissions of potent greenhouse gases under increased atmospheric CO2Kees Jan van Groenigen
Department of Biological Sciences, Northern Arizona University, Flagstaff, Arizona 86011, USA
Nature 475:214-6. 2011..Our results therefore suggest that the capacity of land ecosystems to slow climate warming has been overestimated...
A meta-analysis of responses of soil biota to global changeJoseph C Blankinship
Department of Biological Sciences, Northern Arizona University, PO Box 5640, Flagstaff, AZ 86011, USA
Oecologia 165:553-65. 2011..Precipitation limited all taxa and trophic groups, particularly in forest ecosystems. Our meta-analysis suggests that the responses of soil biota to global change are predictable and unique for each global change factor...
Measuring terrestrial subsidies to aquatic food webs using stable isotopes of hydrogenRichard R Doucett
Colorado Plateau Stable Isotope Laboratory, Northern Arizona University, Flagstaff, Arizona 86011, USA
Ecology 88:1587-92. 2007....
Stable carbon isotope fractionation in chlorinated ethene degradation by bacteria expressing three toluene oxygenasesScott R Clingenpeel
Department of Biological Sciences, Northern Arizona University Flagstaff, AZ, USA
Front Microbiol 3:63. 2012..5 to -13.8‰. The data from this study suggest that stable isotopes could serve as a diagnostic for detecting aerobic biodegradation of TCE by toluene oxygenases at contaminated sites...
Effects of elevated co2 and herbivore damage on litter quality in a scrub oak ecosystemMyra C Hall
Institute of Ecology, University of Georgia, Athens, GA 30602 2202, USA
J Chem Ecol 31:2343-56. 2005..However, changes in litter chemistry from year to year were far larger than effects of CO(2) or insect damage, suggesting that these may have only minor effects on litter decomposition...
Altered soil microbial community at elevated CO(2) leads to loss of soil carbonKaren M Carney
Smithsonian Environmental Research Center, P O Box 28, Edgewater, MD 21037, USA
Proc Natl Acad Sci U S A 104:4990-5. 2007..These results show how elevated CO(2), by altering soil microbial communities, can cause a potential carbon sink to become a carbon source...
Ectomycorrhizal colonization slows root decomposition: the post-mortem fungal legacyJ Adam Langley
Smithsonian Environmental Research Center, Edgewater, MD 21037, USA
Ecol Lett 9:955-9. 2006..Furthermore, EM litters could directly contribute to the process of stable soil organic matter formation, a mechanism that has eluded soil scientists...
Element interactions limit soil carbon storageKees Jan van Groenigen
Department of Plant Sciences, One Shields Avenue, University of California, Davis, CA 95616, USA
Proc Natl Acad Sci U S A 103:6571-4. 2006..g., phosphorus, molybdenum, and potassium) are added. Hence, soil C sequestration under elevated CO2 is constrained both directly by N availability and indirectly by nutrients needed to support N2 fixation...
