Index Catalog // ScholarsArchive@OSU

The influence of canopy structure and epiphytes on the hydrology of Douglas-fir forests

Creator:: Pypker, Thomas G.
Abstract:: Canopy structure has a significant impact on the canopy hydrology of Douglas-fir forests in the Pacific Northwest (PNW). Whole canopy rainfall interception was measured for young Douglas-fir forest and compared to an old-growth Douglas-fir forest. The old-growth forest had significantly greater canopy water storage capacity (5) and direct throughfall fraction...
Resource Type:: Dissertation
Full Text:: help. I am particularly indebted to John Moreau for all his help in the field and his continually

John Archibald Wheeler : a study of mentoring in modern physics

Creator:: Christensen, Terry M.
Abstract:: This dissertation has two objectives. The first objective is to determine where best to situate the study of mentoring (i.e. the 'making of scientists') on the landscape of the history of science and science studies. This task is accomplished by establishing mentoring studies as a link between the robust body...
Resource Type:: Dissertation
Full Text:: of Science on April 3, 2009. Title: John Archibald Wheeler: A Study of Mentoring in Modern Physics

John Wesley Powell : science and reform in a positive context

Creator:: Zernel, John Joseph, 1945-
Abstract:: John Wesley Powell worked actively for public land system reform while a director of geographical and geological surveys in the West from 1869 to 1894. Although this has won him acclaim as a conservationist, the basis of Powell's linkage of reform with scientific work is poorly understood. A study of...
Resource Type:: Dissertation
Full Text:: John Wesley Powell : science and reform in a positive

A Computational Method for Building Spherical Pictures and Theoretic Results from Explicit Constructions

Creator:: Merzenich, Matthias C.
Abstract:: Let H be a cyclically-presented group on n generators with a single defining relator. Attempts have been made to classify such groups by their order, their status as a 3-manifold group, and the asphericity status of their presentations. For groups with a defining relator of length 3 these classifications are...
Resource Type:: Dissertation
Full Text:: of John Horton Conway, who inspired my lifelong love of mathematics. It was his simple question that

Nonuniform Sampling Of Band-limited Functions

Creator:: Al-Hammali, Hussain Y.
Abstract:: In this thesis, we will study certain generalizations of the classical Shannon Sampling Theorem, which allows for the reconstruction of a pi-band-limited, square-integrable function from its samples on the integers. J. R. Higgins provided a generalization where the integers can be perturbed by less than 1/4, which includes nonuniform and...
Resource Type:: Dissertation

Infiltration, soil erosion, nitrogen loss and soil profile characteristics of Oregon lands occupied by three subspecies of Artemisia tridentata

Creator:: Swanson, Sherman R.
Abstract:: Infiltration, soil erosion, nitrogen loss and soil profile characteristics were measured on 36 sites representing land occupied by Artemisia tridentata ssp. tridentate, wyomingensis, and vaseyana. Infiltration, soil erosion, and nitrogen loss were strongly correlated but highly variable. Soil loss, but not infiltration or nitrogen loss was significantly different between subspecies....
Resource Type:: Dissertation
Full Text:: : Redacted for privacy John C. Buckhouse Infiltration, soil erosion, nitrogen loss and soil profile

Nearctic sawflies I, the adults and larvae of the subfamily Blennocampinae (Hymenoptera: Tenthredinidae)

Creator:: Smith, David R.
Abstract:: Seventy-two species of Blennocampinae in 21 genera and six tribes are known from the Nearctic region. The adults and known larvae of all species and genera are keyed, described and illistrated. A definition of the subfamily, a review of previous work, a table of host-plant associations, and a discussion of...
Resource Type:: Dissertation
Full Text:: . John D. Lettin and Dr. Paul O. Ritcher, Oregon State University, Corvallis; the late Dr. J. A. G

A taxonomic revision of the Nearctic species of Apateticus Dallas and Podisus Herrich-Schaeffer (Heteroptera:Pentatomidae:Asopinae)

Creator:: Phillips, Kathryn Ann
Resource Type:: Dissertation
Full Text:: (Heteroptera: Pentatomidae: Asopinae) Abstract approved: Redacted for privacy John D. Lattin The Nearctic

Bridging Ways of Knowing to Model the Dynamics of Fire as an Ecocultural Process on Frequent Fire Landscapes of the Pacific Northwest

Creator:: Greenler, Skye M.
Abstract:: Wildfire impacts have intensified in many ecosystems across the western United States due to the combined impact of fire exclusion, climate change, and land management practices. However, on many of these landscapes, fire is a fundamental ecological process that has shaped vegetation structural and compositional diversity, ecosystem function, landscape pattern,...
Resource Type:: Dissertation
Full Text:: Abstract approved: _____________________________________________________ John D. Bailey

A revision of the genus Deraeocoris Kirschbaum (Heteroptera:Miridae) from western America north of Mexico

Creator:: Razafimahatratra, Vincent de Paul
Abstract:: The genus Deraeocoris Kirschbaum of western America north of Mexico was revised. Approximately 10,000 specimens from the Nearctic Region were examined. Taxonomic characters used by previous authors were reevaluated. In addition to the male parameres, the male vesica and the female posterior wall of the bursa copulatrix and sclerotized rings...
Resource Type:: Dissertation
Full Text:: : Redacted for Privacy Dr. John D. Lat n in charge of m j Redacted for Privacy Dr. B. F. Eldridge, Chairman

ScholarsArchive@OSU

The influence of canopy structure and epiphytes on the hydrology of Douglas-fir forests

John Archibald Wheeler : a study of mentoring in modern physics

John Wesley Powell : science and reform in a positive context

A Computational Method for Building Spherical Pictures and Theoretic Results from Explicit Constructions

Nonuniform Sampling Of Band-limited Functions

Infiltration, soil erosion, nitrogen loss and soil profile characteristics of Oregon lands occupied by three subspecies of Artemisia tridentata

Nearctic sawflies I, the adults and larvae of the subfamily Blennocampinae (Hymenoptera: Tenthredinidae)

A taxonomic revision of the Nearctic species of Apateticus Dallas and Podisus Herrich-Schaeffer (Heteroptera:Pentatomidae:Asopinae)

Bridging Ways of Knowing to Model the Dynamics of Fire as an Ecocultural Process on Frequent Fire Landscapes of the Pacific Northwest

A revision of the genus Deraeocoris Kirschbaum (Heteroptera:Miridae) from western America north of Mexico

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