Index Catalog // ScholarsArchive@OSU

Population Dynamics and Variability of Two Gelatinous Zooplankters (Aequorea and Pyrosoma atlanticum) in the Northern California Current

Creator:: Sorensen, Hilarie L.
Abstract:: This research focused on population dynamics of two gelatinous zooplankters (Aequorea & Pyrosoma atlanticum) in the northern California Current to assess their relationship to environmental conditions and role in the pelagic ecosystem. Data collected since 1999 showed seasonal and interannual fluctuations in the abundance and distribution of Aequorea in the...
Resource Type:: Masters Thesis
Full Text:: area and a fisheries hot spot (Checkley & Barth 2009). Throughout spring and summer, winds blowing

Invasive Plant Management Plan (IPM) and Digital Tools for Big Sur Land Trust of Monterey County, California

Creator:: Nichols, Abby L.
Abstract:: An Invasive Plant Management Plan developed for Big Sur Land Trust, a non-profit conservation organization located on California's Central Coast, to guide its vegetation management activities and serve as a decision-support tool. The effort included the creation of a digital field data collection tool through Survey123 Connect, survey and data...
Resource Type:: Presentation
Full Text:: , annually (Spring, late-Summer). Standardize monitoring and data management. Priority #2: Engage in

Stochastic Collocation Error Analysis Within a Kinematic Magnetohydrodynamics Framework

Creator:: Rajbhandari, Evan, Gibson, Nathan L., and Woodside, C. Rigel
Abstract:: We explore one numerical method for dealing with uncertainty quantification, stochastic collocation. We adapt this method for the uncertain kinematic magnetohydrodynamic system. We then demonstrate well-posedness of the uncertain forward problem. We also describe the method in detail, and perform an error analysis of the method, describing the necessary assumptions...
Resource Type:: Preprint
Full Text:: ) × L∞+ (D), i.e. for each ω ∈ Ω, assume σ, βe, and βi are positive and bounded. Then there exist unique

Spatiotemporal distribution of the anti-diabetic drug, metformin, in the lower Columbia River and its effect on phytoplankton growth

Creator:: Cummings, Brittany M.
Abstract:: Water quality impacts both human and ecosystem health. Many pharmaceuticals and personal care products are considered contaminants of emerging concern (CEC) due to their bioactive properties. Among these, metformin—the most commonly prescribed drug for treatment of type 2 diabetes—has been reported at high concentrations (μg L⁻¹) in stream, lake, and...
Resource Type:: Masters Thesis
Full Text:: Haluska, Sophie Louis, Lorri Epstein and Kate Samson. Moreover, summer sampling would not have been

Calibration and verification of HSPF model for Tualatin River Basin Water Quality

Creator:: Tang, Fei
Abstract:: The Tualatin River Basin is located in the Washington County, Oregon. The river was detected having high chlorophyll a concentration and low dissolved oxygen concentration during summer time, which violated DEQ water quality standards. A mathematical model (HSPF) was used to simulate physical, chemical and biological processes in the basin...
Resource Type:: Technical Report
Full Text:: and low dissolved oxygen concentration during summer time, which violated DEQ water quality

A history of public recreation in Portland, Oregon

Creator:: Broten, George Arthur
Resource Type:: Research Paper
Full Text:: tult1llment ot the re qut.r-..1'1'* to~ 'Ul9 ctesr•• ot MASTER OP E»UCA'l'XOH l\Ule lt-lV 1 PPROVED

Gwinnett County Parks and Recreation - Invasive Plant Species Management Plan

Creator:: Patterson, Mark Andre
Abstract:: EXECUTIVE SUMMARY Invasive species are one of the most significant threats to native ecosystems in the nation (Mooney, 2001). As defined by Federal Executive Order 13112, a species is considered invasive if it is not native to the ecosystem under consideration, and its establishment causes or is likely to cause...
Resource Type:: Capstone Project
Full Text:: during the winter season when the temperature falls below 32° F. On average, the highs in the summer

A survey of the Beaverton High School library

Creator:: Bauder, George Emil
Resource Type:: Research Paper
Full Text:: the writer's point o:f:' v~ew and served as a basis for undertaking this survey: (l) If our

The problem of stuttering and a program for its control

Creator:: Gabbert, Donald M.
Resource Type:: Research Paper
Full Text:: 4. Van Uper, Q12. Çj., p. 316-7. 5. Class notes at Oregon ctension, Portland, Oregon. Summer, 1946

An evaluation of culverts on low volume forest roads in the Oregon Coast Range

Creator:: Piehl, Bradley T.
Abstract:: WRRI 106 is placeholder for the research findings of Project No. G-928-03 funded by U.S. Dept. of the Interior, Geological Survey. Findings are available in Piehl, Bradley T. (1986) An evaluation of culverts on low volume forest roads in the Oregon Coast Range (Masters Thesis, Oregon State University. Forest Engineering)...
Resource Type:: Masters Thesis
Full Text:: on Small Volume Forest Road s in the Oregon Coast Range Abstract approved: / ( 69 e Robert L

ScholarsArchive@OSU

Population Dynamics and Variability of Two Gelatinous Zooplankters (Aequorea and Pyrosoma atlanticum) in the Northern California Current

Invasive Plant Management Plan (IPM) and Digital Tools for Big Sur Land Trust of Monterey County, California

Stochastic Collocation Error Analysis Within a Kinematic Magnetohydrodynamics Framework

Spatiotemporal distribution of the anti-diabetic drug, metformin, in the lower Columbia River and its effect on phytoplankton growth

Calibration and verification of HSPF model for Tualatin River Basin Water Quality

A history of public recreation in Portland, Oregon

Gwinnett County Parks and Recreation - Invasive Plant Species Management Plan

A survey of the Beaverton High School library

The problem of stuttering and a program for its control

An evaluation of culverts on low volume forest roads in the Oregon Coast Range

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