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Theses/Dissertations from 2020

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Before and After the Storm: Interactions between Tree-Fall Canopy Gaps, Plant Phenology, and Frugivorous Lemurs in Masoala National Park, Madagascar, Monica Sue Mogilewsky

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Modeling Spatiotemporal Patterns of PM2.5 at the Sub-Neighborhood Scale Using Low-Cost Sensor Networks, Philip Jeffrey Orlando

Theses/Dissertations from 2019

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The Impact of Infrastructure on Habitat Connectivity for Wildlife, Leslie Lynne Bliss-Ketchum

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The Invasion Ecology of Ivy (Hedera spp.) in Portland's Forest Park, Eric Paul Butler

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Stormwater Treatment Effectiveness of Established Bioretention Facilities in Portland, Oregon, Emma Rose Kohlsmith

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The Influence of Neighborhood Landscape Characteristics on Native Bird Communities: Implications for Increasing Biodiversity in Our Yards, Michael E. Vermeulen

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Are We Providing Preferred Floral Resources for Bees in Our Neighborhoods? : Assessing the Relationship Between Small Scale Vegetation Metrics and Bee Presence in SE Portland, Hailey Wallace

Theses/Dissertations from 2018

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Public Participation in Plant-Pollinator Conservation: Key Assessment Areas that Support Networked Restoration and Monitoring, Kerissa Battle

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Ecology and Population Dynamics of Salmonids in the Columbia River: Response of Fishes to Anthropogenic Change in a Large Riverscape, Timothy Sean Elder

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Removing Dams, Constructing Science: Watershed Restoration Through a Socio-Eco-Technical Systems Lens, Zbigniew Jakub Grabowski

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Long-term Variation of Summer Phytoplankton Communities in an Urban Lake in Relation to Lake Management and Climate Conditions, Yuan Xiao Grund

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Lone Wolves and Copycats: Assessing Policy and Infrastructure for Flood Hazard and Floodplain Management, Samantha L. Hamlin

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Rock Glaciers of the Contiguous United States: Spatial Distribution, Cryospheric Context, and Riparian Vegetation, Gunnar Forrest Johnson

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Mooring Impacts on Zostera marina Meadows and Associated Epifauna in Nantucket Harbor, Massachusetts, USA, Andrew Wright McCandless

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Recovery of Zooplankton Communities to Whole-Lake Disturbance, Brian Newton McGann

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Modeling Spawning Habitat Potential for Chum (Onchorhynchus keta) and Pink Salmon (O. gorbuscha) in Relation to Landscape Characteristics in Coastal Southeast Alaska, Bernard Timothy Romey

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Using Wetlands to Prevent the Surface Accumulation of Aphanizomenon flos-aquae from Upper Klamath Lake, Arick Christopher Rouhe

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Soil Phosphorus Characterization and Vulnerability to Release in Urban Stormwater Bioretention Facilities, Benjamin James Shetterly

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Effectiveness of Pollinator Enhancements in Portland Community Orchards, Jess Alan Tyler

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Composition and Dispersal Dynamics of Vegetation Communities in Urban Riparian Forests, Christa von Behren

Theses/Dissertations from 2017

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Urban Impacts to Forest Productivity, Soil Quality, and Canopy Structure in Forest Park, Portland, Oregon, Andrew David Addessi

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Modeling of Ultrafine Particle Emissions and Ambient Levels for the Near Roadside Environment, Sauda Ahmed

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Influence of Mixing and Buoyancy on Competition Between Cyanobacteria Species in Upper Klamath Lake, Roberta Joann Brunkalla

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Turbidity Dynamics during High-Flow Storm Events in the Clackamas River, Oregon 2006-2012, Micelis Clyde Doyle

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Root-enhanced Infiltration in Stormwater Bioretention Facilities in Portland, Oregon, Ted David Hart

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Ecosystem Recovery in Estuarine Wetlands of the Columbia River Estuary, Sarah Ann Kidd

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Invertebrate Community Composition Across Inundation Regimes and Its Potential to Reduce Plant Stress, Inez Ilicia Lawson

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Non-Native Mangroves (Rhizophora mangle) of Moloka'i, Hawai'i: a Socio-Ecological Analysis, Casey Lynette Lewis

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Investigation of Ambient Reactive Nitrogen Emissions Sources and Deposition in the Columbia River Gorge National Scenic Area, Jacinda L. Mainord

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Anthropogenic Effects on the Fouling Community: Impacts of Biological Invasions and Anthropogenic Structures on Community Structure, Whitney Elizabeth McClees

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Wolbachia-Host Interactions and the Implications to Insect Conservation and Management, Amy Michelle Truitt

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Responses of Aquatic Non-Native Species to Novel Predator Cues and Increased Mortality, Brian Christopher Turner

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A Numerical Model Investigation of the Role of the Glacier Bed in Regulating Grounding Line Retreat of Thwaites Glacier, West Antarctica, Michael Scott Waibel

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The Social Acceptance of Community Solar: a Portland Case Study, Anne Weaver

Theses/Dissertations from 2016

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The Terroir of Pinot Noir Wine in the Willamette Valley, Oregon : A Broad Analysis of Vineyard Soils, Grape Juice and Wine Chemistry, Kathryn Nora Barnard

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Understanding the Importance of Intermittently Fragmented Stream Habitat for Isolated Westslope Cutthroat Trout (Oncorhynchus clarki lewisi) in the Colville National Forest, Washington, Forrest Michael Carpenter

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An Investigation of Invasion: Boater Knowledge Concerning Aquatic Invasive Species and the Influence of the New Zealand Mud Snail on Benthic Food Webs, Samuel Anthony Cimino

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Watershed Management and Private Lands: Moving Beyond Financial Incentives to Encourage Land Stewardship, Matthew Thomas DeAngelo

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Green Roofs and Urban Biodiversity: Their Role as Invertebrate Habitat and the Effect of Design on Beetle Community, Sydney Marie Gonsalves

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Assessing Sense of Place and Geo-literacy Indicators as Learning Outcomes of an International Teacher Professional Development Program, Nancee Hunter

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A Landscape Approach to Determining and Predicting Juvenile Coho Salmon (Oncorhynchus kisutch) Movement Timing and Growth Patterns Prior to Ocean Entry, Amelia Lee Johnson

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The Effects of Anthropogenic Stressors on Mercury Concentrations and Community Composition of Freshwater Zooplankton, Meredith Powers Jordan

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Improving the Roadside Environment through Integrating Air Quality and Traffic-Related Data, Christine M. Kendrick

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Biofouling Management in the Pacific Northwest and Predation on Native versus Non-native Ascidians, Erin Suzanne Kincaid

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Pharmaceutical Contaminants as Stressors on Rocky Intertidal and Estuarine Organisms: a Case Study of Fluoxetine, Joseph Richard Peters

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Investigating the Potential of Land Use Modifications to Mitigate the Respiratory Health Impacts of NO2: A Case Study in the Portland-Vancouver Metropolitan Area, Meenakshi Rao

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Effects of Antibiotic Mixtures across Marine Intertidal Trophic Levels: Examining Environmentally-Relevant Contaminant Concentrations, Jaclyn Rebecca Teixeira

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Relationships that Extend Beyond the Fence-Line: Private Landowner Attitudes and Interest in Conservation Easements, Ashley Lyn Vizek

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Watershed Response to Climate Change and Fire-Burns in the Upper Umatilla River Basin Using the Precipitation Runoff Modeling System, Kimberly Crystal Yazzie

Theses/Dissertations from 2015

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The Response of Zooplankton Communities in Montane Lakes of Different Fish Stocking Histories to Atmospheric Nitrogen Deposition Simulations, Jeffrey Thomas Brittain

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Ninth Grade Student Responses to Authentic Science Instruction, Michael Steven Ellison

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The Erosion of Coastal Sediment and Regeneration of Rhizophora mangle Following Anthropogenic Disturbance on Turneffe Atoll, Belize, Heather Lyn Hayden

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Effects of Selective Logging and Roads on Instream Fine Sediments and Macroinvertebrate Assemblages in the Clackamas Basin, Oregon, Paula Elizabeth Hood

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Investigations of the Air-Water Interface: A Structural Analysis of Metallic Surface Films and Aquatic Surface Films by Comparative Microscopy, Randall William Smith

Theses/Dissertations from 2014

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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

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Managing for Resistance and Resilience of Northern Great Lakes Forests to the Effects of Climate Change, Matthew Joshua Duveneck

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Macroinvertebrates and Excessive Fine Sediment Conditions in Oregon Coastal Streams, Patrick Michael Edwards

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Cascades Island Lamprey Passage Structure: Evaluating Passage and Migration Following Structure Modifications, Siena Marie Lopez-Johnston

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Informal Trails and the Spread of Invasive Species in Urban Natural Areas: Spatial Analysis of Informal Trails and their Effects on Understory Plant Communities in Forest Park, Portland, Oregon, Jill Elise Van Winkle

Theses/Dissertations from 2013

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Effects of Increased Nitrogen Deposition on the Dominance of Hedera helix in the Pacific Northwest, Bianca Christine Dolan

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Social-Ecological Dynamics of Coral Reef Resource Use and Management, Sarah J. Freed

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Natural Area Stewardship Volunteers: Motivations, Attitudes, Behaviors, Corinne Handelman

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The Role of Wood Microsites at Timberline-Alpine Meadow Borders for Conifer Regeneration, Adelaide Chapman Johnson

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The Production of Organic Nitrates in Portland Oregon and the Columbia River Gorge, Holly Ann Neill

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Modeling Fecal Bacteria in Oregon Coastal Streams Using Spatially Explicit Watershed Characteristics, Paul Bryce Pettus

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Status of Nutria (Myocastor coypus) Populations in the Pacific Northwest and Development of Associated Control and Management Strategies, with an Emphasis on Metropolitan Habitats, Trevor Robert Sheffels

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Evaluating the Effects of Road Crossing Structures on Stream-Associated Amphibians in the Wilson River Watershed, Tillamook State Forest, Oregon, Sara Erin Twitchell

Theses/Dissertations from 2012

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Where Is the Rain-on-Snow Zone in the West-Central Washington Cascades?: Monte Carlo Simulation of Large Storms in the Northwest, Matthew John Brunengo

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Stream-Associated Amphibian Habitat Assessment in the Portland-Vancouver Metropolitan Region, Andrew Evans Dietrich

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Long-term Responses of Phalaris arundinacea and Columbia River Bottomland Vegetation to Managed Flooding, Tina Schantz Farrelly

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Late-Holocene Flood History, Flood-Frequency, and Paleoclimate Analysis of the Central Black Hills, South Dakota, Tessa M. Harden

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Site Selection by Migratory Shorebirds in Oregon Estuaries Over Broad and Fine Spatial Scales, Aileen Kilpatrick Miller

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Development of a Nephelometry Camera and Humidity Controlled Cavity Ring-Down Transmissometer for the Measurement of Aerosol Optical Properties, James Gregory Radney

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The Role of Habitat Restoration and Conservation in the Changing Socio-economic Conditions of Grant County, Oregon, Kristen Lauren Senkyr

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An Investigation of Urban Mobile Source Aerosol Using Optical Properties Measured by CRDT/N: Diesel Particulate Matter and the Impact of Biodiesel, Monica Elizabeth Wright

Theses/Dissertations from 2011

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Interception in Open-grown Douglas-fir (Pseudotsuga menziesii) Urban Canopy, Mitchell Bixby

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Biological Erosion of Marine Habitats and Structures by Burrowing Crustaceans, Timothy Mathias Davidson

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Cultivating Environmental Stewardship in Middle School Students, Kelly Anne Fischer

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Deforestation, Drought and Humans: New Discoveries of the Late Quaternary Paleoenvironment of Rapa Nui (Easter Island), Candace Lynn Gossen

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Riparian Wetland Response to Livestock Exclusion in the Lower Columbia River Basin, Sarah Ann Holmen

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Tree Growth and Spatial Pattern in Two Forest Park Permanent Plots: A Look at Stand Composition and Condition, Hannah Beth McDonald

Theses/Dissertations from 2010

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Diatom-Based Stream Bioassessment: the Roles of Rare Taxa and Live/Dead Ratio, Nadezhda Dimitrova Gillett

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Occurrence and Concentrations of Caffeine in Seawater from the Oregon Coast and Potential Effects on the Dominant Mussel, Mytilus californianus, Zoe Rodriguez del Rey

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Anaerobic Degradation of Polycyclic Aromatic Hydrocarbons at a Creosote-Contaminated Superfund Site and the Significance of Increased Methane Production in an Organophilic Clay Sediment Cap, Kiara L. Smith

Theses/Dissertations from 2009

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Vegetation, Environmental Characteristics, and their Relationships: Variation within the Annually Flooded Riparian Zones of the John Day River Basin, Oregon, Samuel J. Hartsfield

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Investigating Engagement, Thinking, and Learning Among Culturally Diverse, Urban Sixth Graders Experiencing an Inquiry-Based Science Curriculum, Contextualized in the Local Environment, Sybil Schantz Kelley

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Biological control of purple loosestrife (Lythrum salicaria) : factors affecting Galerucella pusilla and Galerucella calmariensis establishment in tidal areas, Lynda Kathryn Moore

Theses/Dissertations from 2007

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The effects of coypu Myocaster coypus (nutria) trapping on the water quality of South Johnson Creek, Beaverton, Oregon, Deborah Jean Frankel

Theses/Dissertations from 2005

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Effects of surrounding land use on plant species composition in urban forest fragments, Bruce Michael Barbarasch

Theses/Dissertations from 2004

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Environmental Gradients, Community Boundaries, and Disturbance the Darlingtonia Fens of Southwestern Oregon, Deborah A. Tolman

Theses/Dissertations from 2002

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The Response of Mice to Infection by the Parasitic Nematode Trichinella: A Comparison of Trichinella Spiralis and Trichinella Pseudospiralis, Barry Clayton Anderson

Theses/Dissertations from 2001

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The Impact of Fine Sediment on Stream Macroinvertebrates in Urban and Rural Oregon Streams, Raymond S. Hoy

Theses/Dissertations from 1999

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The Effects of Urbanization and Human Disturbance Upon Plant Community Structure and Bird Species Richness, Diversity, and Abundance in a Natural Forested Area (Forest Park) in Portland, Oregon, Nancy Ellen Broshot

Theses/Dissertations from 1998

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Gene Expression in Two Cyanobacteria, Freshwater Synechococcus sp. PCC 7942 and Oceanic Synechococcus sp. WH 7803, in response to ammonium, nitrate or iron, Abbas Sadeghi

Theses/Dissertations from 1997

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Post-middle Miocene Geologic History of the Tualatin Basin, Oregon with Hydrogeologic Implications, Doyle Coley Wilson

Theses/Dissertations from 1996

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Mechanisms of pentachlorophenol induced charge transport in lipid membranes, William Charles Brown

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A Semiquantitative Analysis of PCB and P,P-DDE Residues in Stranded Marine Mammals Using High Performance Liquid Chromatography, David Lawrence Hayteas

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Captive Environmental Influences on Behavior in Zoo Drills and Mandrills (Mandrillus), a Threatened Genus of Primate, Erik Terdal

Theses/Dissertations from 1995

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Monomeric and Polymeric Fluoroalkyl Sulfonyl Fluorides, Sulfonate Salts and Sulfonic Acids for Use as Electrolytes and Coatings, Nicolas Noel Hamel

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Some Relationships Between Sedimentary Trace Metal Concentrations and Freshwater Phytoplankton and Sedimentary Diatom Species Composition, Allan Hayes Vogel