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- Bacterial pollution of water -- Oregon -- Oregon Coast Range -- Mathematical models (1)
- Bioswales (1)
- Ecological regions -- Oregon -- Oregon Coast Range (1)
- English ivy -- Oregon -- Portland -- Case studies (1)
- Enterobacteriaceae -- Oregon -- Oregon Coast Range (1)
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- Escherichia coli -- Oregon -- Oregon Coast Range (1)
- Invasive plants -- Oregon -- Portland (1)
- Mycorrhizal fungi (1)
- Runoff -- Purification -- Heavy metals removal (1)
- Soil remediation (1)
- Understory plants -- Ecology -- Oregon -- Portland (1)
- Urban runoff -- Management (1)
- Water quality -- Oregon -- Oregon Coast Range -- Mathematical models (1)
Articles 1 - 3 of 3
Full-Text Articles in Organisms
Assessment Of A Mycorrhizal Fungi Application To Treat Stormwater In An Urban Bioswale, Alaina Diane Melville
Assessment Of A Mycorrhizal Fungi Application To Treat Stormwater In An Urban Bioswale, Alaina Diane Melville
Dissertations and Theses
This study assessed the effect of an application of mycorrhizal fungi to stormwater filter media on urban bioswale soil and stormwater in an infiltration-based bioswale aged 20 years with established vegetation. The study tested the use of commercially available general purpose biotic soil blend PermaMatrix® BSP Foundation as a treatment to enhance Earthlite™ stormwater filter media amelioration of zinc, copper, and phosphorus in an ecologically engineered structure designed to collect and infiltrate urban stormwater runoff before it entered the nearby Willamette River.
These results show that the application of PermaMatrix® BSP Foundation biotic soil amendment to Earthlite …
Community Level Impacts Associated With The Invasion Of English Ivy (Hedera Spp.) In Forest Park: A Look At The Impacts Of Ivy On Community Composition And Soil Moisture, Sara Rose Copp
Dissertations and Theses
Invasive species degrade ecosystems by altering natural processes and decreasing the abundance and diversity of native flora. Communities with major fluctuations in resource supply allow invasive species to exploit limiting resources making the community prone to invasion. In the Pacific Northwest, urban forests characterized with limited light and seasonally limited soil moisture are being dominated by nonnative English ivy (Hedera spp). Three observational studies were conducted in the Southern end of Forest Park within the Balch Creek Subwatershed in Portland, Oregon in order to understand 1) how English ivy changes over three growing seasons, 2) how the native …
Modeling Fecal Bacteria In Oregon Coastal Streams Using Spatially Explicit Watershed Characteristics, Paul Bryce Pettus
Modeling Fecal Bacteria In Oregon Coastal Streams Using Spatially Explicit Watershed Characteristics, Paul Bryce Pettus
Dissertations and Theses
Pathogens, such as Escherichia coli and fecal coliforms, are causing the majority of water quality impairments in U.S., making up ~87% of this grouping's violations. Predicting and characterizing source, transport processes, and microbial survival rates is extremely challenging, due to the dynamic nature of each of these components. This research built upon current analytical methods that are used as exploratory tools to predict pathogen indicator counts across regional scales. Using a series of non-parametric methodologies, with spatially explicit predictors, 6657 samples from non-estuarine lotic streams were analyzed to make generalized predictions of regional water quality. 532 frequently sampled sites in …