@article {83165, title = {Oregon Water Quality Index Summary Report: Water Years 2013-2022}, year = {2023}, note = {Trends in water quality. Raw data for earlier years is available in spreadsheet format.}, month = {2023, Feb.}, pages = {9 p.}, institution = {Oregon Dept. of Environmental Quality. Laboratory and Environmental Assessment Division}, address = {Hills boro, Or.}, keywords = {agriculture, bacteria, dissolved oxygen, forestry, human impacts, land use, nitrogen, pH, phosphorus, water pollution, water quality, water temperature}, url = {https://digital.osl.state.or.us/islandora/object/osl\%3A1008713}, author = {Oregon Dept. of Environmental Quality,} } @article {37626, title = {Water Quality Index}, year = {2022}, note = {Trends in water quality. This website includes an interactive map and subbasin reports giving trends in recent years.}, address = {Hillsboro, Or.}, keywords = {bacteria, dissolved oxygen, nitrogen, pH, phosphorus, pollution, solids, water quality, water temperature}, url = {https://www.oregon.gov/deq/wq/Pages/WQI.aspx}, author = {Oregon. Dept. of Environmental Quality,} } @article {83108, title = {An evaluation of factors controlling the abundance of epiphytes on Zostera marina along an estuarine gradient in Yaquina Bay, Oregon, USA}, journal = {Aquatic Botany}, volume = {148}, year = {2018}, note = {In layperson{\textquoteright}s terms, epiphytes are plants that grow on other plants. Epiphytes growing on seagrass leaves increase productivity and add food for grazers to the ecosystem. Too many epiphytes, however, shade the host seagrass and interfere with its ability to absorb sunlight. This article reports on a 4-year study of seagrass epiphytes in the lower intertidal of Yaquina Bay, contrasting marine and riverine environments and dry and wet seasons. }, month = {2018, Aug.}, pages = {p.53-63}, keywords = {Epiphytes, molluscs, nitrogen, nutrients, phosphorus, seagrass = Zostera marina, Yaquina Bay}, doi = {https://doi.org/10.1016/j.aquabot.2018.04.010 }, author = {Nelson, Walter G.} } @article {80361, title = {Response of primary producer communities to short-term nutrient additions in a Pacific Northwest estuarine tidal wetland}, journal = {Wetlands}, volume = {27}, year = {2017}, note = {As populations in the Pacific Northwest continue to increase, our wetlands are likely to have to absorb more nutrients from increased human activity. This article explains a study of a wetland in the lower Yaquina Bay that was subjected to three different treatments of increased nitrogen, increased phosphorus, and increased nitrogen and phosphorus. Nutrient levels were selected to mimic projected nutrient loads impacted by human activity. This study is unique in that it addresses both changes in terrestrial vegetation as well as changes in algae in wetland sediments. This is important because, {\textquotedblleft}Benthic macroalgae, particularly diatoms, are the preferred food source of invertebrates and fish in these ecosystems{\textquotedblright} (p.694). This is a most interesting exploration of complex ecological relationships. A copy of the article may be obtained by writing the authors on ResearchGate.}, pages = {p.687-696}, keywords = {diatoms, human impacts, nitrogen, nutrient cycles, phosphorus, Saltgrass = Distichlis spicate, Seaside arrowgrass = Triglochin maritima, sediments, wetland vegetation, Yaquina Bay}, doi = {doi: 10.1007/s13157-017-0899-z}, author = {Weilhoefer, C. L. and Jakstis, K. and Fischer, C.} } @article {36566, title = {Upwelling-influence, macroalgal blooms, and seagrass production; temporal trends from latitudinal and local scales in northeast Pacific estuaries}, journal = {Limnology and oceanography}, volume = {58}, number = {3}, year = {2013}, note = {{\textquotedblleft}In coastal marine systems worldwide, land-based nutrient inputs are often correlated with blooms of macroalgae, which can negatively affect seagrass habitats. We used spatiotemporal trends in production to identify the role of marine-derived nutrients in mediating these interactions. Among ocean upwelling-influenced estuaries along the northeastern Pacific, we documented a negative correlation between annual production of ulvoid macroalgae and the seagrass, Zostera marina L., at a regional scale that included four estuaries along a 400 km distance. While macroalgal biomass was , 30 times greater in southern (Yaquina Bay and Coos Bay, Oregon) compared to northern (Willapa Bay, Washington, and Netarts Bay, Oregon) estuaries, no temporal patterns of eelgrass decline were observed within the estuaries over a 5 yr period{\textellipsis}{\textquotedblright} (from the Abstract)}, month = {2013, May}, pages = {p,1103-1112}, keywords = {algae, Coos Bay, eelgrass = Zostera marina, Netarts Bay, nitrogen, phosphorus, primary production, Ulva spp., upwelling, Willapa Bay, Yaquina Bay}, doi = {doi:10.4319/lo.2013.58.3.1103}, author = {Hessing-Lewis, Margot L. and Hacker, Sally D.} } @article {34506, title = {LOBO: Land Ocean Biogeochemical Observatory}, year = {2012}, note = {Environmental monitoring station. The station was removed from the water in 2013. Data from Nov. 1, 2007-Sept. 25, 2013 is available.}, keywords = {conductivity, dissolved oxygen, phosphorus, salinity, turbidity, water temperature, Yaquina Bay}, url = {http://yaquina.loboviz.com/}, author = {Satlantic [Corporation],} } @article {34286, title = {Classification of Regional Patterns of Environmental Drivers and Benthic Habitats in Pacific Northwest Estuaries}, volume = {EPA 600/R-09/140}, year = {2009}, note = {"This report describes a pilot effort at classifying PNW estuaries with regards to landscape attributes and their susceptibility to nutrient enrichment." Much data is presented. Although the report focuses on seven estuaries (Alsea, Coos Bay, Nestucca, Salmon River, Tillamook Bay, Umpqua and Yaquina), many other estuaries are mentioned, and basic statistical data is given for all PNW estuaries.}, keywords = {Alsea Bay, climate, Coos Bay, demographics, eelgrass = Zostera marina, Ghost shrimp = Neotrypaea californiensis (Callianassa californiensis), hydrography, hydrology, Japanese eelgrass = Zostera japonica, Mud shrimp = Upogebia pugettensis, Nestucca River estuary, nitrate-nitrite, nitrogen, phosphorus, phytoplankton, precipitation, salinity, Salmon River Estuary, sediment data, tidal currents, Tillamook Bay, turbidity, Umpqua River estuary, Yaquina Bay}, url = {https://tinyurl.com/3rd376k}, author = {National Health and Environmental Effects Research Laboratory (U.S.). Western Ecology Division,}, editor = {Lee II, Henry and Brown, Cheryl A.} } @article {34116, title = {Ecological Condition of the Estuaries of Oregon and Washington}, volume = {EPA-910-R-06-001}, year = {2006}, note = {For the layperson, this is an overview that does not go into any detail on specific estuaries. Problem locations are marked with colored dots on a map and are not labeled. This deliberate lack of specificity on EPA{\textquoteright}s part is baffling and disappointing.}, pages = {73 p.}, institution = {U.S. Environmental Protection Agency, Region 10, Office of Environmental Assessment}, address = {Seattle, Wa.}, keywords = {biodegradation, carbon, dissolved oxygen, ecosystem health, estuaries, heavy metals, hydrocarbons, invasive species, nitrogen, pesticides, phosphorus, sediments, species composition, species list, toxicity, water pollution, water quality}, url = {https://archive.epa.gov/emap/archive-emap/web/html/eceow.html}, author = {United States. Environmental Protection Agency. Region X, and United States. Environmental Protection Agency. Region X. Office of Environmental Assessment,} } @article {33851, title = {Effects of the invasive, nonindigenous seagrass Zostera japonica on nutrient fluxes between the water column and benthos in a NE Pacific estuary}, journal = {Marine Ecology Progress Series}, volume = {254}, year = {2003}, month = {Jun 4_2003}, pages = {69-80}, keywords = {ammonium, biological, Coquille Point, Craigie Point, Criteser{\textquoteright}s Marina, Grassy Point, Idaho Point, Japanese eelgrass=Zostera japonica, King Slough, Montgomery Creek, nitrate-nitrite, nutrient cycles, Oneatta Point, Oysterville, phosphorus, Sally{\textquoteright}s Slough}, doi = {10.3354/meps254069}, url = {https://www.int-res.com/articles/meps2003/254/m254p069.pdf}, author = {Larned, Scott T.} } @article {33431, title = {NOAA{\textquoteright}s Estuarine Eutrophication Survey: Volume 5: Pacific Coast Region}, year = {1998}, note = {"In Yaquina Bay, chlorophyll a and turbidity concentrations are medium. Nuisance and toxic algal bloom events are not observed. Concentrations of nitrogen and phosphorus are medium. Biological stress is observed in the system but not anoxia or hypoxia. SAV [submerged aquatic vegetation] spatial coverage is low." (p.49) Trends were either unchanged or unknown at the time this report was written.}, month = {April_1998}, pages = {75 p.}, institution = {Office of Ocean Resources Conservation and Assessment}, address = {Silver Spring, MD}, keywords = {algal species, Alsea River, aquatic vegetation, biological, Coos Bay, Coquille River, dissolved oxygen, hydrology, Nehalem River, Netarts Bay, nitrogen, phosphorus, physical, Rogue River, Siletz Bay, Siuslaw River, Tillamook Bay, toxicity, turbidity, Umpqua River, Yaquina Bay, Yaquina River}, url = {https://archive.org/details/noaasestuarineeu00unit/mode/2up?ref=ol\&view=theater}, author = {U.S. National Oceanic and Atmospheric Administration,} } @mastersthesis {31926, title = {Nitrogen and Phosphorus Uptake by Enteromorpha prolifera (Mull.) J. Ag.}, year = {1986}, note = {Major professor was Patricia A. Wheeler. }, month = {December_1986}, pages = {126 p.}, school = {Oregon State University}, type = {Masters Thesis}, edition = {M.S.}, chapter = {School of Oceanography}, address = {Corvallis, Or.}, keywords = {aquatic vegetation, biological, chemical, Enteromorpha species, green algae, Idaho Flats, nitrogen, organic carbon, phosphorus, physiology, theses, Yaquina Bay}, url = {https://ir.library.oregonstate.edu/concern/graduate_thesis_or_dissertations/pk02cd29g}, author = {O{\textquoteright}Brien, Margaret C} } @article {31581, title = {Analyses of elutriates, native water, and bottom material in selected rivers and estuaries in western Oregon and Washington}, volume = {no.82-922}, year = {1983}, note = {good data}, month = {1983}, pages = {147 p.}, address = {Portland, Or.}, keywords = {ammonia, arsenic, barium, berylium, Butler Bridge, cadmium, chemical, chromium, Coast Guard Station, Columbia River estuary, Coos River estuary, copper, cyanide, Depot Slough, Embarcadero Marina, Grassy Point, heavy metals, herbicides, iron, lead, Lower Yaquina River, manganese, mercury, methodology, nickel, nitrogen, nutrient cycles, Olalla Slough, organic carbon, pesticides, phenols, phosphorus, Pooles Slough, Sally{\textquoteright}s Bend, Tillamook estuary, Toledo Airport, Trace metals, Umpqua River estuary, water pollution, water quality data, Yaquina Bay, Yaquina Bay Bar, zinc}, url = {https://pubs.usgs.gov/of/1982/0922/report.pdf}, author = {U.S. Geological Survey,}, editor = {Fuhrer, Gregory J. and Rinella, Frank A.} } @conference {30161, title = {Seasonal variation of algal biomass production potential and nutrient limitation in Yaquina Bay, Oregon}, booktitle = {Biostimulation and Nutrient Assessment}, year = {1976}, month = {1976}, pages = {p.149-174}, publisher = {Ann Arbor Science}, organization = {Ann Arbor Science}, address = {Ann Arbor, MI}, keywords = {bioassay, biological, chemical, climate, hydrology, nitrogen, nutrient cycles, phosphorus, precipitation, waste disposal, water pollution, Yaquina Bay}, author = {Specht, David T.} } @inbook {28991, title = {Seasonal variation of algal biomass production potential and nutrient limitation in Yaquina Bay, Oregon}, booktitle = {Biostimulation and Nutrient Assessment Symposium. }, year = {1975}, pages = {p.149-174}, publisher = { Utah State University}, organization = { Utah State University}, address = { Logan, Utah}, keywords = {aquatic vegetation, bioassay, biological, Burpee, diatoms, Dunaliella species, Elk City, green algae, hydrology, Marine Science Center Dock, methodology, nitrogen, nutrient cycles, Oneatta Point, phosphorus, primary production, Sally{\textquoteright}s Bend, Selenastrum capricornutum, Thalassiosira species, Toledo Airport, Yaquina Bay}, url = {https://digitalcommons.usu.edu/cgi/viewcontent.cgi?article=1201\&context=water_rep}, author = {Specht, David T.}, editor = {Middlebrooks, E.J. and Falkenborg, D.H. and Maloney, T.E.} } @proceedings {29766, title = {The use of standardized marine algal bioassays for nutrient assessment of Oregon coastal estuaries}, volume = {no.60}, year = {1974}, note = {Meeting held March 14-15, 1974.}, pages = {p.15-31}, publisher = {Oregon State University Engineering Experiment Station}, address = {Corvallis, OR}, keywords = {Alsea River estuary, aquatic vegetation, bioassay, biological, Burpee, chemical, Coos River estuary, diatoms, Dunaliella species, Elk City, green algae, Marine Science Center Dock, Nestucca River estuary, Netarts estuary, nitrogen, nutrient cycles, Oneatta Point, phosphorus, primary production, River mile 16, salinity, Sally{\textquoteright}s Bend, Sand Lake Estuary, Siletz River estuary, Siuslaw River estuary, Thalassiosira species, toxicity, Umpqua River estuary, Yaquina Bay}, url = {https://ir.library.oregonstate.edu/concern/defaults/q811kk38w}, author = {Specht, David T.} } @inbook {83290, title = {Seasonal variation of algal biomass production potential and nutrient limitation in Yaquina Bay, Oregon}, booktitle = {Biostimulation and Nutrient Assessment Symposium}, year = {1970}, pages = {p.149-174}, publisher = {Ann Arbor Science}, organization = {Ann Arbor Science}, address = {Ann Arbor, Mi}, keywords = {aquatic vegetation, bioassay, biological, Burpee, diatoms, Dunaliella species, Elk City, green algae, hydrology, Marine Science Center Dock, methodology, nitrogen, nutrient cycles, Oneatta Point, phosphorus, primary production, Sally{\textquoteright}s Bend, Selenastrum capricornutum, Thalassiosira species, Toledo Airport, Yaquina Bay}, author = {Specht, David T.}, editor = {Middlebrooks, E.J. and Falkenborg, D.H. and Maloney, T.E.} }