Index Catalog // ScholarsArchive@OSU

Polyploidy influences plant-environment interactions in quaking aspen (Populus tremuloides Michx.)

Creator:: Greer, Burke T., Still, Christopher, Cullinan, Grace L., Brooks, J. Renee, and Meinzer, Frederick C.
Abstract:: Quaking aspen (Populus tremuloides Michx.), a widespread and keystone tree species in North America, experienced heat and drought stress in the years 2002 and 2003 in the southwestern United States. This led to widespread aspen mortality that has altered the composition of forests, and is expected to occur again if...
Resource Type:: Article
Full Text:: variation of trembling aspen in western North-America. For. Sci. 21:319–328. Barnes, B. V., and W. H

Microbiological comparison of surface soil and unsaturated subsurface soil from a semiarid high desert

Creator:: Colwell, Frederick
Abstract:: Thirty-two chemoheterotrophic bacteria were isolated from unsaturated subsurface soil samples obtained from ca. 70 m below land surface in a high desert in southeastern Idaho. Most isolates were gram positive (84%) and strict aerobes (79%). Acridine orange direct counts of microbes in one subsurface sample showed lower numbers than similar...
Resource Type:: Article
Full Text:: Microbiological Comparison of Surface Soil and Unsaturated Subsurface Soil from a Semiarid High Desert FREDERICK

Diffusion through a double-sided plate: Development of a method to study alga-bacterium interactions

Creator:: Colwell, Frederick and Speidel, Harold K.
Abstract:: Bacteria and algae isolated from a wastewater oxidation pond were inoculated onto opposing surfaces of double-layer agar plates (Lutri plates) to determine the usefulness of such plates for studying microbial interactions. The altered growth characteristics of various algae depending on the species of bacteria on the adjacent medium surface indicated...
Resource Type:: Article
Full Text:: through a Double-Sided Plate: Development of a Method to Study Alga-Bacterium Interactions FREDERICK S

Nature and Extent of the Deep Biosphere

Creator:: Colwell, Frederick S. and D’Hondt, Steven
Abstract:: In the last three decades we have learned a great deal about microbes in subsurface environments. Once, these habitats were rarely examined, perhaps because so much of the life that we are concerned with exists at the surface and seems to pace its metabolic and evolutionary rhythms with the overt...
Resource Type:: Article
Full Text:: Frederick S. Colwell College of Earth, Ocean, and Atmospheric Sciences Oregon State University Corvallis

Modeling the Financial Potential of Silvopasture Agroforestry in Eastern North Carolina and Northeastern Oregon

Creator:: Bruck, Sonia R., Bishaw, Badege, Cushing, Tamara L., and Cubbage, Frederick W.
Abstract:: Silvopasture is the planned and managed agroecosystem in which forage, livestock, and woody perennials are integrated "either simultaneously or sequentially on the same parcel of land." Silvopasture can help mitigate anthropogenic climate change through carbon sequestration in perennial vegetation. We examined silvopasture, forest, and pasture systems in eastern North Carolina...
Resource Type:: Article
Full Text:: , Corvallis, OR 97330. Frederick W. Cubbage (fred_cubbage@ncsu.edu), Department of Forestry and

Characterizing Community Forests in the United States

Creator:: Hajjar, Reem, McGinley, Kathleen, Charnley, Susan, Frey, Gregory E., Hovis, Meredith, Cubbage, Frederick W., Schelhas, John, and Kornhauser, Kailey
Abstract:: Research on community forests, primarily governed and managed by local forest users, in the United States is limited, despite their growth in numbers over the past decade. We conducted a survey to inventory CFs in the U.S., and better understand their ownership and governance structures, management objectives, benefits, and financing....
Resource Type:: Article
Full Text:: Reem Hajjar1,*, Kathleen McGinley2, Susan Charnley3, Gregory E. Frey4, Meredith Hovis5,6, Frederick W

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
Full Text:: Woodruff, D. R., Meinzer, F. C., Marias, D. E., Sevanto, S., Jenkins, M. W., & McDowell, N. G. (2015

Microbial communities from methane hydrate-bearing deep marine sediments in a forearc basin

Creator:: Reed, David W., Fujita, Yoshiko, Delwiche, Mark E., Blackwelder, D. Brad, Sheridan, Peter P., Uchida, Takashi, and Colwell, Frederick
Abstract:: Microbial communities in cores obtained from methane hydrate-bearing deep marine sediments (down to more than 300 m below the seafloor) in the forearc basin of the Nankai Trough near Japan were characterized with cultivation-dependent and -independent techniques. Acridine orange direct count data indicated that cell numbers generally decreased with sediment...
Resource Type:: Article
Full Text:: Deep Marine Sediments in a Forearc Basin David W. Reed,1* Yoshiko Fujita,1 Mark E. Delwiche,1 D. Brad

Leg 204 synthesis : gas hydrate distribution and dynamics in the Central Cascadia accretionary complex

Creator:: Tréhu, Anne Martine, Torres, Marta E., Bohrmann, G., and Colwell, Frederick
Abstract:: Ocean Drilling Program (ODP) Leg 204 to Hydrate Ridge, located on the continental slope offshore Oregon (USA), was the first drilling expedition dedicated to understanding gas hydrate processes in accretionary complexes and provided a testbed for a number of different techniques for estimating the gas hydrate content of sediments. It...
Resource Type:: Article
Full Text:: ). -3000 -2000 -1000 0 0 1000 1000 1000 130°W 128° 126° 124° 44° 50° N 48° 46° Juan de Fuca plate

Effects of release from suppression on wood functional characteristics in young Douglas-fir and western hemlock

Creator:: Renninger, Heidi J., Gartner, Barbara L., and Meinzer, Frederick C.
Abstract:: Little is known of wood properties in trees that were initially suppressed and subsequently released from suppression. The purpose of this study was to assess differences in growth ring width, specific conductivity (Ks), tracheid dimensions, moisture content, and wood density in suppressed Douglas-fir (Pseudotsuga menziesii (Mirb.) Franco) and western hemlock...
Resource Type:: Article
Full Text:: , and Frederick C. Meinzer Abstract: Little is known of wood properties in trees that were initially

ScholarsArchive@OSU

Polyploidy influences plant-environment interactions in quaking aspen (Populus tremuloides Michx.)

Microbiological comparison of surface soil and unsaturated subsurface soil from a semiarid high desert

Diffusion through a double-sided plate: Development of a method to study alga-bacterium interactions

Nature and Extent of the Deep Biosphere

Modeling the Financial Potential of Silvopasture Agroforestry in Eastern North Carolina and Northeastern Oregon

Characterizing Community Forests in the United States

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

Microbial communities from methane hydrate-bearing deep marine sediments in a forearc basin

Leg 204 synthesis : gas hydrate distribution and dynamics in the Central Cascadia accretionary complex

Effects of release from suppression on wood functional characteristics in young Douglas-fir and western hemlock

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