Index Catalog // ScholarsArchive@OSU

A dynamic leaf gas-exchange strategy is conserved in woody plants under changing ambient CO₂: evidence from carbon isotope discrimination in paleo and CO₂ enrichment studies

Creator:: Voelker, Steven L., Brooks, J. Renée, Meinzer, Frederick C., Anderson, Rebecca, Bader, Martin K.-F., Battipaglia, Giovanna, Becklin, Katie M., Beerling, David, Bert, Didier, Betancourt, Julio L., Dawson, Todd E., Domec, Jean-Christophe, Guyette, Richard P., Körner, Christian, Leavitt, Steven W., Linder, Sune, Marshall, John D., Mildner, Manuel, Ogée, Jérôme, Panyushkina, Irina, Plumpton, Heather J., Pregitzer, Kurt S., Saurer, Matthias, Smith, Andrew R., Siegwolf, Rolf T. W., Stambaugh, Michael C., Talhelm, Alan F., Tardif, Jacques C., Van de Water, Peter K., Ward, Joy K., and Wingate, Lisa
Abstract:: Rising atmospheric [CO₂], cₐ, is expected to affect stomatal regulation of leaf gas-exchange of woody plants, thus influencing energy fluxes as well as carbon (C), water, and nutrient cycling of forests. Researchers have proposed various strategies for stomatal regulation of leaf gas-exchange that include maintaining a constant leaf internal [CO₂],...
Resource Type:: Article

Expression of functional traits during seedling establishment in two populations of Pinus ponderosa from contrasting climates

Creator:: Kerr, Kelly L., Meinzer, Frederick C., McCulloh, Katherine A., Woodruff, David R., and Marias, Danielle E.
Abstract:: First-year tree seedlings represent a particularly vulnerable life stage and successful seedling establishment is crucial for forest regeneration. We investigated the extent to which Pinus ponderosa P. & C. Lawson populations from different climate zones exhibit differential expression of functional traits that may facilitate their establishment. Seeds from two populations...
Resource Type:: Article

Linking nonstructural carbohydrate dynamics to gas exchange and leaf hydraulic behavior in Pinus edulis and Juniperus monosperma

Creator:: Woodruff, David R., Meinzer, Frederick C., Marias, Danielle E., Sevanto, Sanna, Jenkins, Michael W., and McDowell, Nate G.
Abstract:: Leaf hydraulics, gas exchange and carbon storage in Pinus edulis and Juniperus monosperma, two tree species on opposite ends of the isohydry–anisohydry spectrum, were analyzed to examine relationships between hydraulic function and carbohydrate dynamics. Leaf hydraulic vulnerability, leaf water potential (Wl), leaf hydraulic conductance (Kleaf), photosynthesis (A), stomatal conductance (gs)...
Resource Type:: Article

Dynamics of leaf water relations components in co-occurring iso- and anisohydric conifer species

Creator:: Meinzer, Frederick C., Woodruff, David R., Marias, Danielle E., McCulloh, Katherine A., and Sevanto, Sanna
Abstract:: Because iso- and anisohydric species differ in stomatal regulation of the rate and magnitude of fluctuations in shoot water potential, they may be expected to show differences in the plasticity of their shoot water relations components, but explicit comparisons of this nature have rarely been made. We subjected excised shoots...
Resource Type:: Article

Impacts of dwarf mistletoe on the physiology of host Tsuga heterophylla trees as recorded in tree-ring C and O stable isotopes

Creator:: Marias, Danielle E., Meinzer, Frederick C., Woodruff, David R., Shaw, David C., Lachenbruch, Barbara, Falk, Kristen, McKay, Jennifer, Voelker, Steven L., and Brooks, J. Renee
Abstract:: See article for Abstract. Keywords: mesophyll conductance, effective path length
Resource Type:: Article

Tree-ring stable isotopes record the impact of a foliar fungal pathogen on CO₂ assimilation and growth in Douglas-fir

Creator:: Saffell, Brandy J., Meinzer, Frederick C., Voelker, Steven L., Shaw, David C., Brooks, J. Renée, Lachenbruch, Barbara, and McKay, Jennifer
Abstract:: Swiss needle cast (SNC) is a fungal disease of Douglas-fir (Pseudotsuga menziesii) that has recently become prevalent in coastal areas of the Pacific Northwest. We used growth measurements and stable isotopes of carbon and oxygen in tree-rings of Douglas-fir and a non-susceptible reference species (western hemlock, Tsuga heterophylla) to evaluate...
Resource Type:: Article

Seasonal carbohydrate dynamics and growth in Douglas-fir trees experiencing chronic, fungal-mediated reduction in functional leaf area

Creator:: Saffell, Brandy J., Meinzer, Frederick C., Woodruff, David R., Shaw, David C., Voelker, Steven L., Lachenbruch, Barbara, and Falk, Kristen
Abstract:: Stored non-structural carbohydrates (NSCs) could play an important role in tree survival in the face of a changing climate and associated stress-related mortality. We explored the effects of the stomata-blocking and defoliating fungal disease called Swiss needle cast on Douglas-fir carbohydrate reserves and growth to evaluate the extent to which...
Resource Type:: Article

The dynamic pipeline: hydraulic capacitance and xylem hydraulic safety in four tall conifer species

Creator:: McCulloh, Katherine A., Johnson, Daniel M., Meinzer, Frederick C., and Woodruff, David R.
Abstract:: Recent work has suggested that plants differ in their relative reliance on structural avoidance of embolism versus maintenance of the xylem water column through dynamic traits such as capacitance, but we still know little about how and why species differ along this continuum. It is even less clear how or...
Resource Type:: Article

Drivers of radial growth and carbon isotope discrimination of bur oak (Quercus macrocarpa Michx.) across continental gradients in precipitation, vapour pressure deficit and irradiance

Creator:: Voelker, Steven L., Meinzer, Frederick C., Lachenbruch, Barbara, Brooks, J. Renee, and Guyette, Richard P.
Abstract:: Tree-ring characteristics are commonly used to reconstruct climate variables, but divergence from the assumption of a single biophysical control may reduce the accuracy of these reconstructions. Here, we present data from bur oaks (Quercus macrocarpa Michx.) sampled within and beyond the current species bioclimatic envelope to identify the primary environmental...
Resource Type:: Article

Above- and belowground controls on water use by trees of different wood types in an eastern US deciduous forest

Creator:: Meinzer, Frederick C., Woodruff, David R., Eissenstat, David M., Lin, Henry S., Adams, Thomas S., and McCulloh, Katherine A.
Abstract:: Stomata control tree transpiration by sensing and integrating environmental signals originating in the atmosphere and soil, and co-occurring species may differ in inherent stomatal sensitivity to these above- and belowground signals and in the types of signals to which they respond. Stomatal responsiveness to environmental signals is likely to differ...
Resource Type:: Article

ScholarsArchive@OSU

A dynamic leaf gas-exchange strategy is conserved in woody plants under changing ambient CO₂: evidence from carbon isotope discrimination in paleo and CO₂ enrichment studies

Expression of functional traits during seedling establishment in two populations of Pinus ponderosa from contrasting climates

Linking nonstructural carbohydrate dynamics to gas exchange and leaf hydraulic behavior in Pinus edulis and Juniperus monosperma

Dynamics of leaf water relations components in co-occurring iso- and anisohydric conifer species

Impacts of dwarf mistletoe on the physiology of host Tsuga heterophylla trees as recorded in tree-ring C and O stable isotopes

Tree-ring stable isotopes record the impact of a foliar fungal pathogen on CO₂ assimilation and growth in Douglas-fir

Seasonal carbohydrate dynamics and growth in Douglas-fir trees experiencing chronic, fungal-mediated reduction in functional leaf area

The dynamic pipeline: hydraulic capacitance and xylem hydraulic safety in four tall conifer species

Drivers of radial growth and carbon isotope discrimination of bur oak (Quercus macrocarpa Michx.) across continental gradients in precipitation, vapour pressure deficit and irradiance

Above- and belowground controls on water use by trees of different wood types in an eastern US deciduous forest

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