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  1. No Access

    Article

    Interactive Effects of Vegetation Type and Topographic Position on Nitrogen Availability and Loss in a Temperate Montane Ecosystem

    Determining the fate of deposited nitrogen (N) in natural ecosystems remains a challenge. Heterogeneity of vegetation types and resulting plant–soil feedbacks interact with topo-hydrologic gradients to mediate...

    Samantha R. Weintraub, Paul D. Brooks, Gabriel J. Bowen in Ecosystems (2017)

  2. No Access

    Article

    High Atmospheric Nitrate Inputs and Nitrogen Turnover in Semi-arid Urban Catchments

    The influx of atmospheric nitrogen to soils and surfaces in arid environments is of growing concern due to increased N emissions and N usage associated with urbanization. Atmospheric nitrogen inputs to the cri...

    Krystin M. Riha, Greg Michalski, Erika L. Gallo, Kathleen A. Lohse… in Ecosystems (2014)

  3. No Access

    Article

    Spatial and Temporal Variability in the Amount and Source of Dissolved Organic Carbon: Implications for Ultraviolet Exposure in Amphibian Habitats

    The amount, chemical composition, and source of dissolved organic carbon (DOC), together with in situ ultraviolet (UV-B) attenuation, were measured at 1–2 week intervals throughout the summers of 1999, 2000, a...

    Paul D. Brooks, Catherine M. O’Reilly, Stephen A. Diamond, Don H. Campbell… in Ecosystems (2005)

  4. No Access

    Article

    Estimated Ultraviolet Radiation Doses in Wetlands in Six National Parks

    Ultraviolet-B radiation (UV-B, 280–320-nm wavelengths) doses were estimated for 1024 wetlands in six national parks: Acadia (Acadia), Glacier (Glacier), Great Smoky Mountains (Smoky), Olympic (Olympic), Rocky ...

    Stephen A. Diamond, Peter C. Trenham, Michael J. Adams, Blake R. Hossack… in Ecosystems (2005)

  5. No Access

    Chapter

    Fundamentals of Stable Isotope Chemistry and Measurement

    Understanding the power of stable isotopes in research requires general knowledge of the fundamental principles of stable isotope chemistry as well as, more specifically, how the ratios of biologically relevan...

    Todd E. Dawson, Paul D. Brooks in Stable Isotope Techniques in the Study of … (2001)

  6. No Access

    Article

    Winter production of CO2 and N2O from alpine tundra: environmental controls and relationship to inter-system C and N fluxes

    Fluxes of CO2 and N2O were measured from both natural and experimentally augmented snowpacks during the winters of 1993 and 1994 on Niwot Ridge in the Colorado Front Range. Consistent snow cover insulated the so...

    Paul D. Brooks, Steven K. Schmidt, Mark W. Williams in Oecologia (1997)

  7. No Access

    Article

    Growth measurements of terrestrial microbial species by a continuous-flow technique

    A continuous nutrient flow system has been developed to measure microbial activity in soil with various concentrations of added substrate. The system consists of a thin soil layer through which substrate was a...

    Charles W. Hendricks, Eldor A. Paul, Paul D. Brooks in Plant and Soil (1987)

  8. No Access

    Article

    A new automated technique for measuring respiration in soil samples

    An automated 36 place valve to provide continuous soil respiration measurements was constructed. The valve is fully computer controlled and can sample and purge the soil atmosphere as frequently as every 75 mi...

    Paul D. Brooks, Eldor A. Paul in Plant and Soil (1987)