@mastersthesis {83177, title = {Are They What They Eat? A Stable GIT Microbiome Characterized in P. resecata}, year = {2020}, note = {{\textquotedblleft}Intertidal herbivores, such as isopods, help regulate and contribute to nutrient cycling and organic carbon flow through the trophic levels in estuaries and coastal ecosystems. Though much is known about the microbiomes of macrophyte leaves that serve as the primary food source for isopods, and (to a lesser extent) the microbiomes of herbivores themselves, little has been studied about the community assembly dynamics of herbivore microbial communities{\textquotedblright} (from the Abstract). This Honors Bachelor of Science thesis describes a project to better understand the microbiomes associated with these isopods. Isopods were gathered from Netarts Bay, while the intertidal vegetation they fed on was gathered at Yaquina Bay. The isopods were fed diets limited to one plant species and then their gastrointestinal microbes were genetically sequenced to determine if the microbiomes changed due to diet. They did not, which supports work indicating that marine isopods have stable gastrointestinal tract microbiomes}, month = {2020}, pages = {39}, school = {Oregon State University}, type = {Bachelors Thesis (Honors)}, edition = {Honors Baccalaureate of Science}, chapter = {Department of Biochemistry \& Biophysics. Biochemistry and Molecular Biology Program}, address = {Corvallis, Or.}, keywords = {diet, eelgrass = Zostera marina, Eelgrass isopod = Pentidotea resecata, Gastrointestinal, genetics, Microbes, Netarts Bay, Sea lettuce = Ulva lactuca, Sugar kelp = Laminaria saccharina, Yaquina Bay}, url = {https://ir.library.oregonstate.edu/concern/honors_college_theses/47429h530 }, author = {Gustafson, Tarah N.} } @mastersthesis {83154, title = {Ecosystem Functions of Pacific Northwest Estuaries: The Role of Ocean and Watershed Drivers in Eelgrass and Coho Salmon Dynamics}, year = {2020}, note = {This wide-ranging doctoral dissertation aims to {\textquotedblleft}investigate ocean and watershed dynamics to better understand the key drivers and consequences of ecosystem change in Pacific Northwest (PNW) estuaries{\textquotedblright} (from the Abstract). Topics explored include eelgrass and macroalgae, coho salmon and the Dungeness crab catch. }, pages = {274 p.}, school = {Oregon State University}, type = {Doctoral Dissertation}, edition = {Ph. D.}, chapter = {Dept. of Integrative Biology}, address = {Corvallis, Or.}, keywords = {Alsea Bay, Beaver Creek, carbon dioxide, climate, Coho salmon = Oncorhynchus kisutch, Coos Bay, dissolved oxygen, Dungeness crab = Metacarcinus magister (Cancer magister), eelgrass = Zostera marina, El Nino, Oregon Coast, Pacific Decadal Oscillation, pH, phosphate, precipitation, salinity, sea lettuce = Ulva spp., Siletz Bay, Siuslaw River estuary, Umpqua River, upwelling, water temperature, Yaquina Bay}, url = {https://ir.library.oregonstate.edu/concern/graduate_thesis_or_dissertations/gt54kv37z }, author = {Magel, Caitlin L.} } @article {83111, title = {Effect of sulfide and the role of root mass on metabolic fluxes in the seagrass Zostera marina}, journal = {Environmental and Experimental Botany}, volume = {180}, number = {104267}, year = {2020}, note = {Eelgrass offer vital habitats for many species. Yet eelgrass populations around the world are declining. In this article, the authors examine the potential role of hydrogen sulfide in inhibiting eelgrass growth. This study showed that the size of eelgrass root mass was an important variable in understanding the plants{\textquoteright} interactions with sulfides. }, month = {2020, Dec.}, pages = {10 p.}, keywords = {carbon dioxide, eelgrass = Zostera marina, growth, hydrogen sulfide, Idaho Point, nitrogen, oxygen, Yaquina Bay}, doi = {https://doi.org/10.1016/j.envexpbot.2020.104267 }, author = {Peyer, Suzanne M. and Maricle, Brian R. and Young, David R.} } @mastersthesis {83181, title = {Effects of Anthropogenic Stressors on Seagrass and Coral Microbiomes}, year = {2020}, note = {Coral reefs and seagrass beds provide important habitats and perform vital ecosystem services to a variety of ocean life. Unfortunately, corals and seagrasses are both suffering population declines due to human-derived stressors. In this wide-ranging doctoral dissertation, the author examines how anthropogenic changes stress the microbiomes surrounding seagrasses and corals. {\textquotedblleft}This body of work utilized 16S rRNA amplicon and metagenome sequencing to characterize changes in the taxonomic composition and functional potential of seagrass and coral microbiomes under varying environmental stressors. This work was done to gain fuller understanding of seagrass and coral holobiont responses to the changing oceans{\textquotedblright} (from the Abstract). Ryan S. Mueller was the major professor.}, month = {2020}, pages = {227 p.}, school = {Oregon State university}, type = {Doctoral Dissertation}, edition = {Ph. D.}, chapter = {Dept. of Microbiology}, address = {Corvallis, Or.}, keywords = {carbon, climate, eelgrass = Zostera marina, eutrophication, Florida Keys, genetics, human impacts, Ischia, Italy, Massive starlet coral = Siderastrea sidereal, Microbes, nitrogen, ocean acidification, water temperature, Yaquina Bay}, url = {https://ir.library.oregonstate.edu/concern/graduate_thesis_or_dissertations/nv9359526 }, author = {Wang, Lu} } @article {83113, title = {Temporal and habitat differences in the juvenile demersal fish community at a marine-dominated northeast Pacific estuary}, journal = {Fisheries Research}, volume = {227}, number = {105557}, year = {2020}, note = {Estuaries provide habitat for many juvenile marine fishes. A lack of systematic studies of fish communities in estuaries has hampered our understanding of estuaries{\textquoteright} roles in the early life histories of many marine fish. In this article, the authors compare the community structure of juvenile fishes in the Yaquina Estuary for 2008-2009, 2012-2013 and 2016-2017. Sampling took place around docks and eelgrass beds. {\textquotedblleft}Greater abundances and reduced change in communities over time at eelgrass sites suggests that maintaining these habitats is potentially critical for many estuary-rearing species and temporal changes in these communities highlights the importance of long-term monitoring.{\textquotedblright} (from the Abstract)}, month = {2020, Jul.}, pages = {11 p.}, keywords = {community ecology, eelgrass = Zostera marina, habitats, juvenile fishes, Pacific Decadal Oscillation, Pacific staghorn sculpin = Leptocottus armatus, Rockfish = Sebastes spp., Saddleback gunnel = Pholis ornata, salinity, temporal distribution, upwelling, water temperature, Yaquina Bay}, doi = {https://doi.org/10.1016/j.fishres.2020.105557 }, author = {Schwartzkopf, Brittany D. and Whitman, Alison D. and Lindsley, Amy J. and Heppell, Scott A.} } @article {82911, title = {Evidence for regional-scale controls on eelgrass (Zostera marina) and mesograzer community structure in upwelling-influenced estuaries}, journal = {Limnology and Oceanography}, volume = {64}, number = {3}, year = {2019}, note = {{\textquotedblleft}In estuaries of the U.S. Pacific Northwest coast, eelgrass (Zostera marina ) ecosystems are exposed to latitudinally varying oceanographic inputs in the form of ocean upwelling. Previous research suggests that ocean upwelling is critical to eelgrass and ulvoid macroalgae abundance, but the degree to which secondary producers are controlled by processes at regional vs. local scales is unknown. Here, we consider the relationships among primary producers (eelgrass, ulvoid macroalgae, and epiphytic microalgae), epifaunal mesograzers, and mesopredator fish within and across three Oregon, U.S.A., estuaries during a spring{\textendash}summer season to examine the role of multiple scales in structuring these communities.{\textquotedblright} (from the Abstract) Suppplementary material in a separate file accompanies this article.}, month = {2019, May}, pages = {p.1120-1134}, keywords = {algae, community ecology, Coos Bay, eelgrass = Zostera marina, eutrophication, fish, Grazing, Netarts Bay, primary production, Ulva spp., upwelling, Yaquina Bay}, doi = {https://doi.org/10.1002/lno.11102 }, author = {Hayduk, Jennifer L. and Hacker, Sally D. and Henderson, Jeremy S. and Tomas, Fiona} } @article {83173, title = {The Yaquina estuary and Its inhabitants}, volume = {no.19-001}, year = {2019}, note = {This field guide covers the flora and fauna you may see along the one-mile Yaquina Estuary nature trail. The trailhead is on the east side of the Visitor Center at the Hatfield Marine Science Center in Newport, Oregon. It was originally published 1999; revised 2019.}, pages = {20 p.}, institution = {Oregon State University. Sea Grant College Program}, address = {Corvallis, Or.}, keywords = {aquatic invertebrates, birds, crustaceans, eelgrass = Zostera marina, Field guide, fish, habitats, Hatfield Marine Science Center, mollusks, salt marsh, terrestrial plants, tidelands, Yaquina Bay}, url = {https://ir.library.oregonstate.edu/concern/defaults/0v8386491 }, author = {Gleason, Barbara} } @article {80566, title = {Effects of microtopographic variation and macroalgal cover on morphometrics and survival of the annual form of eelgrass (Zostera marina)}, journal = {Aquatic Botany}, volume = {145}, year = {2018}, note = {The native eelgrass, Zostera marina, plays a vital role in estuaries, sheltering and providing food for many estuarine inhabitants. The species has both annual and perennial life cycles. This paper reports on a population of the annual form of the seagrass. Minor differences in topography, amounting to only a few centimeters in elevation, had large effects on this population: lower plants were more abundant, had more shoots per plant and more general biomass than the plants on higher elevations. Desiccation effects in higher elevations were suggested to be less significant than competition from macroalgae.This article is available from the authors via ResearchGate.}, pages = {p.37-44}, keywords = {aquatic vegetation, community ecology, decomposition, eelgrass = Zostera marina, green algae, Hatfield Marine Science Center, Idaho Flats, life history information, species composition, sulfides, Ulva species = Ulva spp., Yaquina Bay, zonal distribution}, doi = {https://doi.org/10.1016/j.aquabot.2017.11.008}, author = {Nelson, Walter G. and Sullivan, Gary} } @article {80351, title = {Demographic and genetic connectivity: the role and consequences of reproduction, dispersal and recruitment in seagrasses}, journal = {Biological Reviews}, volume = {92}, year = {2017}, note = {The valuable ecological roles provided by seagrasses are well known. Population connectivity in seagrasses, however, is less well understood. {\textquotedblleft}Accurate estimation of connectivity among populations is fundamental for determining the drivers of population resilience, genetic diversity, adaptation and speciation{\textquotedblright} (from the Abstract). This article provides a review about what is known about this aspect of seagrass ecology around the world, and includes a study of eelgrass in Yaquina Bay. The authors point out what is known, gaps in knowledge, and potential directions for future research. }, pages = {p.921-938}, keywords = {aquatic vegetation, eelgrass = Zostera marina, genetics, recruitment, reproductive biology, Yaquina Bay}, doi = {doi: 10.1111/brv.12261 }, author = {Kendrick, Gary A. and Orth, Robert J. and Statton, John and Hovey, Renae and Ruiz Montoya, Leonardo and Lowe, Ryan J. and Krauss, Siegfried L. and Sinclair, Elizabeth A.} } @article {77271, title = {Characterization of ecosystem structure within transplanted and natural eelgrass (Zostera marina) beds}, journal = {Northwest Science}, volume = {90}, year = {2016}, note = {The native seagrass Zostera marina plays a vital role in Oregon estuaries, producing oxygen and providing valuable habitat for many species. In 2010, NOAA moved its Marine Operations Center {\textendash} Pacific to Newport, Oregon. It was necessary to dredge the bay to put in new docks for NOAA research vessels, and in the process a .68 acre eelgrass bed was destroyed. In order to mitigate this damage, the original eelgrass was replanted in a new site. In this paper, the authors report on the results of the transplantation, noting ecological diversity, sediment characteristic and species abundance throughout the year.}, pages = {p.355-375}, keywords = {ecosystem health, eelgrass = Zostera marina, geographical distribution, habitat restoration, habitats, Hatfield Marine Science Center, Port of Newport, sediments, species composition, species list, temporal distribution, tides, Yaquina Bay}, doi = {doi: http://dx.doi.org/10.3955/046.090.0314}, author = {Lewis, Nathaniel S. and Henkel, Sarah K.} } @mastersthesis {77351, title = {Juvenile Rockfish (Sebastes spp.) Community Composition and Habitat use of Yaquina Bay, Oregon}, year = {2016}, note = {Estuaries offer important habitats for many species of fish. Rockfish are among the fishes that use estuaries as nurseries for their young. In recent years, most West Coast estuaries have undergone extensive development. How has human-caused environmental change affected fish habitats? In this thesis, the author explored Yaquina Bay to determine what species of rockfish were in Yaquina Bay, studied how rockfish abundance changed with the seasons, and contrasted the use of natural habitat (eelgrass beds) with anthropogenic habitat (piers). Several previously undocumented species of rockfish were found to use the bay, and patterns of juvenile rockfish use of the estuary are shown. Valuable new information on important species is presented. Major professor was Scott Heppell.}, pages = {78 p.}, school = {Oregon State University}, type = {Masters Thesis}, edition = {M.S.}, chapter = {Dept. of Fisheries and Wildlife, Fisheries Science}, address = {Corvallis, Or.}, keywords = {Black rockfish = Sebastes melanops, Bocaccio rockfish = Sebastes paucispinis, Brown rockfish = Sebastes auriculatus, Canary rockfish = Sebastes pinniger, China rockfish = Sebastes nebulosus, community ecology, Copper rockfish = Sebastes caurinus, eelgrass = Zostera marina, fishes, geographic distribution, habitats, human impacts, juvenile fish, life history information, Quillback rockfish = Sebastes maliger, temporal abundance, temporal distribution, Yaquina Bay, yellowtail rockfish = Sebastes flavidus}, url = {https://ir.library.oregonstate.edu/concern/graduate_thesis_or_dissertations/4m90f0201}, author = {Lindsley, Amy J} } @article {80506, title = {A new species of Halolaelapidae (Acari: Mesostigmata: Rhodacaroidea) from beach wrack in Yaquina Bay, Oregon, USA, with comments on opisthonotal plasticity and cribral development in the family}, journal = {Journal of Natural History}, volume = {50}, year = {2016}, note = {This article describes a new species of mite, Halolaelaps hatfieldi, found in the summer of 2013 on decomposing sea lettuce ()Ulva)) and eelgrass in a backwater of Yaquina Bay near the Hatfield Marine Science Center. The species is described through different life phases and diagnostic characteristics are given. The author discusses certain anatomical features and hypotheses about their possible functions. The species is named after the Hatfield Marine Science Center.}, pages = {p. 1797-1812}, keywords = {arthropods, eelgrass = Zostera marina, Halolaelaps hatfieldi, Hatfield Marine Science Center, morphology, taxonomy, Ulva species, Yaquina Bay}, doi = {http://dx.doi.org/10.1080/00222933.2016.1170904 }, author = {Krantz, G. W.} } @article {77061, title = {Comparison of non-native dwarf eelgrass (Zostera japonica) and native eelgrass (Zostera marina) distributions in a northeast Pacific estuary: 1997-2014}, journal = {Botanica Marina}, volume = {58 }, year = {2015}, note = {{\textquotedblleft}In this study, we investigated the rate and pattern of expansion of a non-native eelgrass, Zostera japonica, in relation to the distribution of the native eelgrass Zostera marina in a coastal estuary of the northeastern Pacific Ocean. The distributions of the Zostera congeners were monitored between 1997 and 2014 in Yaquina Estuary on the central Oregon coast, USA, using digital classification
of color infrared aerial photographs and ground surveys.{\textquotedblright} (from the Abstract) This is an open-access article.}, month = {2015, Aug.}, pages = {p.239-250}, keywords = {aquatic vegetation, eelgrass = Zostera marina, fecundity, introduced species, Japanese eelgrass = Zostera japonica, Yaquina Bay, Yaquina River Estuary, zonal distribution}, doi = {doi: 10.1515/bot-2014-0088}, author = {Young, David and Patrick J Clinton and Specht, David and Collura, T. Chris Mochon} } @article {76896, title = {Duration of temperature exposure controls growth of Zostera japonica: Implications for zonation and colonization}, journal = {Journal of Experimental Marine Biology and Ecology}, volume = {464}, year = {2015}, note = {This study looks at the distinct zonation of the native eelgrass (Z. marina) and the introduced Japanese eelgrass (Z. japonica). None of the {\textquotedblleft}usual suspects{\textquotedblright} (dessication tolerance, light limitation, interspecific competition) adequately explain the different estuarine zones occupied by the two species. The authors {\textquotedblleft}hypothesize that differences in thermal optima may be responsible for the observed zonation patterns.{\textquotedblright} (p.68) This interesting paper has important implications for the possible future spread of Japanese eelgrass.}, month = {2015, Mar.}, pages = {p.68{\textendash}74}, keywords = {eelgrass = Zostera marina, Idaho Point, introduced species, Japanese eelgrass = Zostera japonica, Sally{\textquoteright}s Bend, temperature, Yaquina Bay, zonal distribution}, doi = {doi:10.1016/j.jembe.2014.12.015}, author = {Kaldy, James E. and Shafer, Deborah J. and Magoun, A. Dale} } @article {54801, title = {Comparison of photosynthetic characteristics of the seagrass congeners Zostera marina L. and Zostera japonica Ascher. \& Graeb.}, journal = {Aquatic Botany }, volume = {112}, year = {2014}, note = {{\textquotedblleft}On the Pacific coast of North America two seagrass species in the genus Zostera co-exist; the native species, Zostera marina, and an introduced species, Zostera japonica. These two species typically occupy separate tidal elevations, with Z. marina occupying the lower intertidal and shallow subtidal zones, and Z. japonica occupying the mid- to upper intertidal zone. This study was designed to compare the photosynthetic characteristics of Z. japonica and Z. marina after exposure to high and low light. . . . {\textquotedblleft}}, month = {2014, Jan.}, pages = {p.91-97}, keywords = {aquatic plants, carbon, eelgrass = Zostera marina, habitats, Idaho Flats, introduced species, Japanese eelgrass = Zostera japonica, natural resource management, oxygen, Yaquina Bay, zonal distribution}, doi = {10.1016/j.aquabot.2013.09.002}, author = {Shafer, Deborah J. and Kaldy, James E.} } @article {76871, title = {Ecological effect of a nonnative seagrass spreading in the Northeast Pacific: A review of Zostera japonica}, journal = {Ocean \& Coastal Management}, volume = {102}, number = {Part A}, year = {2014}, note = {This review article examines studies of Japanese eelgrass to see if this invasive species harms native species or damages habitats. While the literature is not extensive enough to permit solid conclusions, the data suggest that Z. japonica harms large invertebrate species and the native eelgrass, Z. marina, while providing advantageous habitat for smaller marine invertebrates. The authors urge that {\textquotedblleft}rigorous scientific investigation is needed{\textquotedblright} in order to develop the best policies for managing the species.}, month = {2014, Dec.}, pages = {p. 375{\textendash}382}, keywords = {community ecology, Coos Bay, eelgrass = Zostera marina, Grays Harbor, habitats, introduced species, Japanese eelgrass = Zostera japonica, Netarts Bay, Padilla Bay, Roberts Bank, Tillamook Bay, Willapa Bay, Yaquina Bay}, doi = {doi:10.1016/j.ocecoaman.2014.10.002 }, author = {Mach, Megan E. and Wyllie-Echeverria, Sandy and Chan, Kai M. A.} } @article {54881, title = {Effect of temperature and nutrient manipulations on eelgrass Zostera marina L. from the Pacific Northwest, USA}, journal = {Journal of Experimental Marine Biology and Ecology }, volume = {453}, year = {2014}, note = {"Global climate change will impact the three dominate drivers of estuarine seagrass productivity, temperature, light and nutrients. The response of Pacific Northwest (PNW) Z. marina to interactive effects of temperature and nitrogen conditions was experimentally evaluated. . . . Temperature played a dominant role controlling Z. marina response to nutrients; nitrogen toxicity was not observed, and in general the effects of temperature and nutrients were not synergistic. This work highlights the complex nature of Z. marina response to environmental conditions; additional multifactor experiments will be required to tease apart these interactions." (from the Abstract)}, month = {2014, Apr.}, pages = {p.108{\textendash}115}, keywords = {climate change, eelgrass = Zostera marina, nitrate-nitrite, nitrogen, nitrous oxide, nutrients, primary production, temperature, Yaquina Bay}, doi = {10.1016/j.jembe.2013.12.020}, author = {Kaldy, James E.} } @article {76271, title = {Intertidal habitat utilization patterns of birds in a Northeast Pacific estuary}, journal = {Wetlands Ecology and Management}, volume = {22}, year = {2014}, note = {The authors conducted bird censuses for five major habitats in the Yaquina River Estuary, {\textquotedblleft} Zostera marina (eelgrass), Upogebia (mud shrimp)/ mudflat, Neotrypaea (ghost shrimp)/ sandflat, Zostera japonica (Japanese eelgrass), and low marsh.{\textquotedblright} They studied spatial and temporal variation within habitats and found that the native eelgrass, Zostera marina, was {\textquotedblleft}an important habitat based on nearly all metrics of bird use{\textellipsis}{\textquotedblright} (from the Abstract) }, pages = {p.451{\textendash}466}, keywords = {birds, eelgrass = Zostera marina, geographical distribution, Ghost shrimp = Neotrypaea californiensis (Callianassa californiensis), Idaho Flat, Japanese eelgrass = Zostera japonica, Mud shrimp = Upogebia pugettensis, population count, Raccoon Flat, Sally{\textquoteright}s Bend, temporal distribution, Yaquina Bay}, doi = {10.1007/s11273-014-9346-6}, author = {Frazier, Melanie R.. and Lamberson, Janet O. and Nelson, Walter G.} } @article {76436, title = {Nursery Functions of U.S. West Coast Estuaries: The State of Knowledge for Juveniles of Focal Invertebrate and Fish Species}, year = {2014}, note = {This report summarizes what is known about the role of estuaries as nurseries for important aquatic species. The authors inventoried 303 West Coast estuaries and categorized each by class (lagoonal, riverine, embayment and sound) and subclass (estuarine coastal subtidal, tidal channel/creek, slough and lagoon). They examined 15 different species that used estuaries and noted what is known and not known about their life cycles and use of estuaries. {\textquotedblleft}Together with the estuary inventory and the geodatabase, this report represents the first stage in a larger effort to better understand the nursery functions of West Coast estuaries for fish and invertebrates.{\textquotedblright} (p.3)}, pages = {168 p.}, institution = {The Nature Conservancy}, address = {Arlington, Va.}, keywords = {aquatic invertebrates, Bat stingray = Myliobatus californicus (Aetobatus californicus), Bay shrimp = Crangon franciscorum, Brown rockfish = Sebastes auriculatus, California halibut = Paralichthys californicus, Chinook salmon = Oncorhynchus tshawytscha, Coho salmon = Oncorhynchus kisutch, crustaceans, Dungeness crab = Metacarcinus magister (Cancer magister), eelgrass = Zostera marina, English sole = Parophrys vetulus, estuaries, fishes, general, geographic distribution, Green sturgeon = Acipenser medirostris, habitats, juvenile fish, Leopard shark = Triakis semifasciata, life history information, Oregon, Pacific Coast, Pacific herring = Clupea pallasi, Pacific staghorn sculpin = Leptocottus armatus, Shiner perch = Cymatogaster aggregate, Starry flounder = Platichthys stellatus, steelhead trout = Oncorhynchus mykiss}, url = {https://www.scienceforconservation.org/products/nursery-functions-of-estuaries}, author = {Hughes, Brent B. and Levey, Matthew D. and Brown, Jennifer A. and Fountain, Monique C. and Carlisle, Aaron B. and Litvin, Steven Y. and Greene, Correigh M. and Heady, Walter N. and Gleason, Mary G.} } @article {52376, title = {Science and management of the introduced seagrass Zostera japonica in North America}, journal = {Environmental Management }, volume = {53}, year = {2014}, note = {The Pacific Coast of North America is home to two species of eelgrass: the native Zostera marina, and the introduced Zostera japonica. This review looks at the two species, which are managed very differently in different parts of the West Coast. Should the invader be driven out and destroyed? Should it be ignored? The authors identify gaps in knowledge that limit resource managers{\textquoteright} ability to decide, and make recommendations for management and future research. }, month = {2014, Jan.}, pages = {p.147-162}, keywords = {Coos Bay, Coquille River estuary, eelgrass = Zostera marina, geographic distribution, habitats, introduced species, Japanese eelgrass = Zostera japonica, natural resource management, Netarts Bay, Tillamook Bay, Yaquina Bay}, doi = {10.1007/s00267-013-0172-z}, author = {Shafer, Deborah J. and Kaldy, James E. and Gaeckle, Jeffrey L.} } @article {76376, title = {Sea Level Affecting Marshes Model (SLAMM)}, year = {2014}, note = {This is a technical document discussing how to use a computer program to model the effects of sea-level rise on native seagrass. {\textquotedblleft}Because of the ecological importance of SAV [submerged aquatic vegetation] habitats, U.S. EPA, USGS, and USDA partnered with Warren Pinnacle Consulting to enhance the SLAMM modeling software to include new functionality in order to predict changes in Zostera marina distribution within Pacific Northwest estuaries in response to sea level rise.{\textquotedblright} (from the Introduction) The Yaquina River estuary and Willapa Bay are used as examples. While the emphasis of the document is on GIS, there are some good maps of Yaquina Bay. Clearly, a sea-level rise would have an impact on native seagrass distribution, with Zostera present in fewer areas. The latest version of the tool can be found at: https://coast.noaa.gov/digitalcoast/tools/slamm.html . }, pages = {50 p.}, address = {Newport, Or.}, keywords = {aquatic vegetation, bathymetry, climate change, eelgrass = Zostera marina, geographic information system, salt marsh, sea level, topography, Willapa Bay, Yaquina Bay}, url = {https://warrenpinnacle.com/prof/SLAMM6/SLAMM_6.3_final_release.pdf}, author = {Lee II, Henry and Reusser, Deborah A. and Frazier, Melanie R.. and McCoy, Lee M. and Patrick J Clinton and Clough, Jonathan S. and U.S. Environmental Protection Agency. National Health and Environmental Effects Research Laboratory. Office of Research and Development. Western Ecology Division,} } @mastersthesis {51456, title = {Characterization of Ecosystem Structure and Function Recovery within the NOAA MOC-P Mitigation Basin, Newport, Oregon}, year = {2013}, note = { The native seagrass Zostera marina plays a vital role in Oregon estuaries, producing oxygen and organic matter, trapping sediment, offering forage to waterfowl and giving shelter and habitat to many species. When the NOAA Marine Operations Center {\textendash} Pacific (MOC-P) was moved to Newport, it was necessary to dredge the bay to put in new docks for NOAA research vessels. In the process, a .68 acre eelgrass bed was destroyed. To mitigate this damage, the original eelgrass was replanted in a new site, in an attempt to re-establish the bed nearby. In this thesis, the author compares the new site to two nearby reference sites, noting ecological diversity, sediments and species abundance through the year. {\textquotedblleft}The re-planted eelgrass bed within the NOAA MOC-P mitigation area was not observed to be a failed ecosystem during this study, but rather an expanding eelgrass bed that was adequately performing the functions associated with eelgrass ecosystems in the Pacific Northwest.{\textquotedblright} (from the Abstract). Nicely written. The major professor was Sarah K. Henkel.}, pages = {83 p,}, school = {Oregon State University}, type = {Masters Thesis}, edition = {M.S.}, chapter = {College of Earth, Ocean, and Atmospheric Sciences. Marine Resource Management}, address = {Corvallis, Or.}, keywords = {ecosystem health, eelgrass = Zostera marina, general ecosystem description, geographic distribution, Hatfield Marine Science Center, mitigation, Port of Newport, sediments, species composition, species list, temporal distribution, theses, Yaquina Bay}, url = {https://ir.library.oregonstate.edu/concern/graduate_thesis_or_dissertations/v118rh33k}, author = {Lewis, Nate S.} } @article {80571, title = {Comparing Metacarcinus magister Settlement Preferences among the Seagrasses Zostera marina and Zostera japonica}, year = {2013}, note = {This is an undergraduate student project report. Juvenile crabs need both protection from predators and easily available prey. These needs are met in complex habitats, such as eelgrass beds. This raises a question about the effects of the invasive Japanese eelgrass on the crabs, as contrasted with the native eelgrass. In this undergraduate research paper, a study of settlement patterns of Dungeness crabs is described. Bags of oyster shells were placed in beds of native and Japanese eelgrass and on mud. The number of juvenile crabs were counted after two weeks. {\textquotedblleft}Overall, M. magister abundance varies widely over the habitats we studied, and was highest in seagrass habitats, especially seagrass with a large biomass, as well as at a low tidal height.{\textquotedblright} Results indicated that Japanese eelgrass might be beneficial for crab larvae.}, pages = {13 p.}, publisher = {Oregon State University}, address = {Corvallis, Or.}, keywords = {crustaceans, decapods, Dungeness crab = Metacarcinus magister (Cancer magister), eelgrass = Zostera marina, geographic distribution, habitats, Japanese eelgrass = Zostera japonica, Oregon shore crab = Hemigrapsus oregonensis, Yaquina Bay}, url = {https://ir.library.oregonstate.edu/concern/undergraduate_thesis_or_projects/ms35t990c }, author = {Heidmann, Sarah and Jaco, Erin} } @article {49771, title = {In situ13C tracer experiments elucidate carbon translocation rates and allocation patterns in eelgrass Zostera marina}, journal = {Marine Ecology Progress Series}, volume = {487}, year = {2013}, note = {In this project, native seagrass was studied in summer and in winter using carbon-13 as a tracer to monitor changes in carbon uptake. {\textquotedblleft}The results provide important estimates of carbon uptake and translocation that can be used to better understand whole plant carbon budgets as well as the transfer of seagrass-derived carbon to other trophic communities.{\textquotedblright} (from the Abstract)}, pages = {p.27-39}, keywords = {carbon, eelgrass = Zostera marina, isotopes, Yaquina Bay}, doi = {10.3354/meps10354}, url = {https://www.int-res.com/articles/meps2013/487/m487p027.pdf}, author = {Kaldy, James E. and Brown, Cheryl A. and Andersen, Christian P.} } @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 {34556, title = {Determining bathymetric distributions of the eelgrass Zostera marina L. in three turbid estuaries on the eastern North Pacific coast}, journal = {Botanica Marina}, volume = {55}, number = {3}, year = {2012}, note = {This paper describes a method for mapping estuarine eelgrass beds that can be applied to other subsurface aquatic vegetation, and to give a method for estimating the part of the eelgrass that is too deep to be detected by this method. Bathymetric models of three estuaries were made and then compared with eelgrass distribution. }, pages = {p.229-240}, keywords = {Alsea Bay, aquatic vegetation, eelgrass = Zostera marina, map, spatial distribution, temporal abundance, Tillamook Bay, Yaquina Bay}, doi = {10.1515/bot-2011-0011}, author = {Young, David R. and Clinton, Patrick J. and Specht, David T. and Collura, Chris Mochon and Lee II, Henry} } @mastersthesis {34456, title = {Eelgrass-Macroalgae Interactions: Context-Dependency in Upwelling-Influenced Estuaries}, year = {2011}, note = {"Throughout these studies I demonstrated that the mechanisms determining context-dependency in upwelling-influenced estuaries are informed by physical and biogeochemical conditions, coupled with high ambient marine-derived nutrient concentrations. These findings are important to coastal management because they suggest that the strength, direction and mechanisms of interactions are shaped by local abiotic conditions and long-term nutrient regimes, rather than high nutrient concentrations per se." (p.iii) Co-major professors were Sally D. Hacker and Bruce A. Menge.}, pages = {136 p.}, school = {Oregon State University}, type = {Doctoral Dissertation}, edition = {Ph. D.}, chapter = {Dept. of Zoology}, address = {Corvallis, Or.}, keywords = {algae, Coos Bay, eelgrass = Zostera marina, Netarts Bay, nutrient cycles, South Slough (Coos Bay), spatial distribution, species composition, temporal distribution, theses, Ulva species, upwelling, Willapa Bay, Yaquina Bay}, url = {https://ir.library.oregonstate.edu/concern/graduate_thesis_or_dissertations/mp48sg67r}, author = {Hessing-Lewis, Margot} } @article {34466, title = {Utilization Patterns of Intertidal Habitats by Birds in Yaquina Estuary, Oregon}, volume = {EPA/600/R-11/118}, year = {2011}, note = {"An assessment of bird utilization patterns of the intertidal soft sediment and low marsh habitats of the Yaquina estuary, Oregon was conducted from December 2007-November 2008. . . Gulls and terns comprised 42\% of the total birds and, together with ducks, shorebirds, corvids and geese, accounted for about 92\% of the total abundance. The addition of herons/egrets, rails (i.e. coots), and pelicans/cormorants comprised just over 98\% of all birds observed. The remaining birds consisted of songbirds, loons/grebes, raptors and alcids." (p.3)}, month = {2011, Oct.}, pages = {81 p.}, address = {Newport, Or.}, keywords = {American crow = Corvus brachyrhynchos, American wigeon = Anas Americana, birds, Boone Slough, Bufflehead = Bucephala albeola, Coquille Point, Criteser{\textquoteright}s Marina, eelgrass = Zostera marina, ghost shrimp = Neotrypaea californiensis, Grassy Point, Great blue heron = Ardea herodias, gulls = Larus species, habitats, Idaho Flats, Japanese eelgrass = Zostera japonica, Johnson Slough, King Slough, Mud shrimp = Upogebia pugettensis, Northern pintail = Anas acuta, Nute Slough, Oneatta Point, River Mile 7, River Mile 8, Sally{\textquoteright}s Bend, scaup = Aythya species, The Bend, tidal marsh, western sandpiper = Calidris mauri, Winant, Yaquina, Yaquina Bay, Yaquina River}, url = {https://cfpub.epa.gov/si/si_public_file_download.cfm?p_download_id=503895\&Lab=NHEERL}, author = {Lamberson, Janet O. and Frazier, Melanie R.. and Nelson, Walter G. and Patrick J Clinton and U.S. Environmental Protection Agency. Western Ecology Division,} } @article {34411, title = {Biological Assessment and Essential Fish Habitat Assessment for the Construction of NOAA{\textquoteright}s Marine Operations Center-Pacific in Newport, Oregon (Township 11 South, Range 11 West, and Section 17 6th field HUC 171002040303)}, year = {2010}, note = {"This is a Biological Assessment (BA) addressing the potential effects on aquatic species currently listed or proposed for listing under the Federal Endangered Species Act (ESA) from the construction of the National Oceanic and Atmospheric Administration{\textquoteright}s (NOAA) Marine Operations Center {\textendash} Pacific (MOC-P) in Newport, Oregon." (from the Introduction) Includes maps, charts, aerial photographs, colored illustrations, architectural drawings and construction schematics.}, month = {2010, Jun. 2}, pages = {643 p.}, institution = {Pacific Habitat Services, Inc.}, address = {Wilsonville, Or.}, keywords = {Coho salmon = Oncorhynchus kisutch, depleted populations, dredging, eelgrass = Zostera marina, Green sturgeon = Acipenser medirostris, habitats, Hatfield Marine Science Center, human impacts, introduced species, killer whale = Orca orcinus, life history information, mitigation, NOAA Marine Opeations Center - Pacific, Pacific smelt = Thaleichthys pacificus, salinity, sediments, Steller sea lion=Eumetopias jubatus, water quality, Yaquina Bay}, url = {https://ir.library.oregonstate.edu/concern/technical_reports/t722h939f}, author = {van Staveren, John and Hawkins, Amy and Tumer, Craig and Groff, Dale and Lomnicky, Gregg and Pacific Habitat Services Inc.,} } @article {34336, title = {Ecological periodic tables for nekton usage of four US Pacific Northwest estuarine habitats}, journal = {Canadian Journal of Fisheries and Aquatic Sciences}, volume = {67}, number = {12}, year = {2010}, note = {The authors take the interesting approach of using the periodic table of elements as a model for summarizing species richness and biomass in an estuary, as related to habitat. Eelgrass and 2 kinds of burrowing shrimp holes were used as habitat types. Yaquina Bay was the study site, and is used as an example of this approach.}, month = {12/2010}, pages = {p.1957-1967}, keywords = {abundance, eelgrass = Zostera marina, Ghost shrimp = Neotrypaea californiensis (Callianassa californiensis), habitats, Mud shrimp = Upogebia pugettensis, salinity, sediments, species composition, water temperature, Yaquina Bay}, doi = {10.1139/F10-114}, author = {Ferraro, Steven P. and Cole, Faith A.} } @article {34401, title = {Endangered Species Act Biological Opinion and Magnuson-Stevens Fishery Conservation and Management Act Essential Fish Habitat Conservation Recommendations for the NOAA Marine Operations Center-Pacific Relocation Yaquina Bay (6th field HUC 171002040303)...}, year = {2010}, note = {This document is the final biological opinion on the environmental suitability of construction of the NOAA Marine Operations Center - Pacific facility on Yaquina Bay. "The Corps determined the proposed action is likely to adversely affect Oregon Coast (OC) coho salmon (Oncorhynchus kisutch), Southern green sturgeon (Acipenser medirostris), and Southern Eulachon (Thaleichthys pacificus). The Corps also determined the proposed action is likely to adversely affect designated critical habitat forOC coho salmon and Southern green sturgeon.." In light of these determinations, the Corps consulted with NMFS to learn if the construction would be permissible, and what measures must be taken to mitigate the impact of the construction. This document outlines possible hazards and mandates mitigation activities. Full title: Endangered Species Act Biological Opinion and Magnuson-Stevens Fishery Conservation and Management Act Essential Fish Habitat Conservation Recommendations for the NOAA Marine Operations Center-Pacific Relocation Yaquina Bay (6th field HUC 171002040303) Lincoln County, Oregon.}, month = {2010, Nov.9}, pages = {89 p.}, keywords = {Coho salmon = Oncorhynchus kisutch, depleted populations, dredging, eelgrass = Zostera marina, Green sturgeon = Acipenser medirostris, habitats, Hatfield Marine Science Center, human impacts, introduced species, life history information, mitigation, NOAA Marine Opeations Center - Pacific, Pacific smelt = Thaleichthys pacificus, salinity, sediments, water quality, Yaquina Bay}, url = {https://ir.library.oregonstate.edu/concern/technical_reports/8336h225g}, author = {U.S. Army. Corps of Engineers, and National Marine Fisheries Services. Northwest Region,} } @article {34386, title = {Joint Permit Application [NOAA Marine Operations Center - Pacific Relocation]}, year = {2010}, note = {This is the application filed by the Port of Newport with the Army Corps of Engineers for permission to alter Yaquina Bay in order to allow the NOAA Marine Operations Center for the Pacific fleet to relocate from the Seattle area to Newport. "The construction of the MOC-P includes the demolition of existing structures (in-water as wellas upland structures), pile installation, wharf and access pier construction, as well as the construction of the upland facilities, including an administrative building and warehouse. The use of steel piles will require the installation of a cathodic protection system. Dredging and excavation to provide appropriate depths for NOAA ships to berth, as well as the placement of riprap for slope stabilization is also necessary." (p.4) Includes timeline, maps, tables, architectural drawings and construction schematics.}, pages = {102 p.}, keywords = {Bentnose clam = Macoma nasuta, Butter clam = Saxidomus giganteus, dredging, Dungeness crab = Metacarcinus magister (Cancer magister), eelgrass = Zostera marina, English sole = Parophrys vetulus, green algae, harbors, Hatfield Marine Science Center, human impacts, mitigation, mysids, NOAA Marine Opeations Center - Pacific, Pacific sea blenny = Lumpenus sagitta, Port of Newport, ports, salinity, sediments, shiner perch = Cymatogaster aggregata, Ulva species. Enteromorpha species, water quality, Yaquina Bay}, url = {https://ir.library.oregonstate.edu/concern/technical_reports/00000038x}, author = {Port of Newport, and Pacific Habitat Services,} } @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 {34591, title = {The ecological role of bivalve shellfish aquaculture in the estuarine environment: A review with application to oyster and clam culture in West Coast (USA) estuaries}, journal = {Aquaculture}, volume = {290}, number = {3-4}, year = {2009}, note = { Excellent review of the ecological impact of bivalve aquaculture on the West Coast.}, month = {2009, May}, pages = {p.196-223}, keywords = {aquaculture, aquatic invertebrates, Baynes Sound (B.C.), bivalves, carbaryl, Coos Bay, Drakes Estero, Dungeness crab = Metacarcinus magister (Cancer magister), eastern oyster = Crassostrea virginica, economics, ecosystem health, eelgrass = Zostera marina, Geoduck clam = Panopea generosa, Ghost shrimp = Neotrypaea californiensis (Callianassa californiensis), Grays Harbor, Humboldt Bay, Manila clam = Venerupis japonica, molluscs, Netarts Bay, Olympia oyster=Ostrea lurida (Ostrea conchaphila), Pacific oyster = Crassostrea gigas, sediments, Softshell clam = Mya arenaria, Tillamook Bay, Tomales Bay, Totten Inlet (Puget Sound), water quality, Willapa Bay, Yaquina Bay}, doi = {10.1016/j.aquaculture.2009.02.033}, author = {Dumbauld, Brett R. and Ruesink, Jennifer l. and Rumrill, Steven S.} } @article {26636, title = {The Coastal Connection: Assessing Oregon Estuaries for Conservation Planning}, year = {2008}, note = {A good overview of the concepts used for evaluating the health of estuaries in Oregon. Identifies data sources, standards. Good bibliography.}, month = {2008. Apr.}, pages = {48 p.}, institution = {The Nature Conservancy in Oregon}, address = {Portland, Or.}, keywords = {Alsea Bay, Beaver Creek, Chetco River, coastal hazards, Coos Bay, Coquille River, Depoe Bay, eelgrass = Zostera marina, erosion, general ecosystem description, habitats, hydrology, introduced species, landslides, marshes, Necanicum River, Nehalem River, Nestucca Bay, Netarts Bay, Rogue River, salinity, Salmon River Estuary, Sand Lake, sediments, Siletz Bay, Siltcoos Creek, Siuslaw River, Sixes River, Tahkenitch Creek, Tenmile Creek, Tillamook Bay, water quality, Yachats River, Yaquina Bay}, url = {https://www.dfw.state.or.us/conservationstrategy/docs/conservation_planning_1110/TNC_report.pdf}, author = {Aldous, Allison and Brown, Jenny and Elseroad, Adrien and The Nature Conservancy in Oregon} } @article {34196, title = {Effects of erosion and macroalgae on intertidal eelgrass (Zostera marina) in a northeastern Pacifid estuary (USA)}, journal = {Botanica Marina}, volume = {51}, number = {4}, year = {2008}, note = {This study is concerned with the natural factors that limit the distribution and growth of inter-tidal eelgrass. The authors suggest that dessication from exposure to the air, along with macroalgae and erosion all limit eelgrass, "and that these factors operate in an acute rather than a chronic manner." (from the Abstract)}, pages = {p.247-257}, keywords = {algae, Coquille Point, eelgrass = Zostera marina, erosion, Hatfield Marine Science Center, Idaho Flats, Oneatta Point, sediments, Ulva species, Yaquina Bay}, doi = {10.1515/BOT.2008.034}, author = {Boese, Bruce L. and Robbins, Bradley D.} } @article {33981, title = {Dessication is a limiting factor for ellgrass (Zostera marina L.) distribution in the intertidal zone of a northeastern Pacific (USA) estuary.}, journal = {Botanica Marina.}, volume = {48}, year = {2005}, month = {2005}, pages = {274-283}, keywords = {biological, eelgrass = Zostera marina, growth, Idaho Flats, Idaho Point, King Slough, life history information, The Bend, Yaquina Bay, Yaquina City}, isbn = {0006-8055, 1437-4323 (Online)}, doi = {10.1515/BOT.2005.037}, author = {Boese, Bruce L. and Robbins, Bradley D. and Thursby, G. B.} } @article {33801, title = {Dessiccation index: a measure of damage caused by adverse aerialexposure on intertidal eelgrass (Zostera marina) in an Oregon (USA) estuary}, journal = {Aquatic Botany}, volume = {76}, number = {4}, year = {2003}, month = {Aug_2003}, pages = {329-337}, keywords = {aquatic vegetation, biological, eelgrass = Zostera marina, Idaho Flats, Yaquina Bay}, doi = {10.1016/S0304-3770(03)00068-8}, author = {Boese, Bruce L. and Alayan, Kathryn E. and Gooch, Elizabeth F. and Robbins, Bradley D.} } @article {33091, title = {Censuses of black brant at Yaquina estuary, Lincoln County, Oregon}, journal = {Journal of Oregon Ornithology}, volume = {6}, year = {1996}, note = {Black Brant (Branta bernicla nigricans) had two different seasonal patterns of occurrence at Yaquina Estuary. At embayment areas with eelgrass (Zostera marina), Brant typically arrived between October 22 and November 4, Brant numbers progressively climbed in November, Brant abundance in December-January was relatively constant, and Brant numbers often fluctuated greatly during spring migration in February-April. At a site near the estuary mouth where there was little eelgrass, Brant customarily only appeared during spring migration. About 300-500 Brant wintered at the Yaquina in the 1980{\textquoteright}s, and usually fewer than 700 Brant were counted during spring migration.}, month = {1996}, pages = {p.723-780}, keywords = {Black Brant = Branta bernicla nigricans, eelgrass = Zostera marina, temporal abundance, temporal distribution, Yaquina Bay}, url = {https://ir.library.oregonstate.edu/concern/conference_proceedings_or_journals/df65vd31d}, author = {Bayer, Range D.} } @article {33096, title = {Macrophyton and tides at Yaquina estuary, Lincoln County, Oregon}, journal = {Journal of Oregon Ornithology}, volume = {6}, year = {1996}, month = {1996}, pages = {p.781-795}, keywords = {abundance, aquatic vegetation, Black Brant = Branta bernicla nigricans, Boone Slough, eelgrass = Zostera marina, Fucus species, Idaho Flats, Sally{\textquoteright}s Bend, temporal distribution, Yaquina Bay}, url = {https://ir.library.oregonstate.edu/concern/conference_proceedings_or_journals/wh246x921}, author = {Bayer, Range D.} } @mastersthesis {33171, title = {Manila Clam Aquaculture in Shrimp-Infested Mudflats}, year = {1996}, note = {The author found that it is possible to grow Manila clams on mud shrimp infested tidelands, provided the clams were grown in cages to protect them from predators. Additing a layer of oyster shell on top of the mudflats did make the substrate firmer, although it didn{\textquoteright}t seem to affect the overall survival of the clams. Clams grew more slowly than sites in Washington State. Chris Langdon was his major professor. }, pages = {109 p.}, school = {Oregon State University}, type = {Masters Thesis}, edition = {M.S.}, chapter = {Department of Fish and Wildlife, Fisheries Science}, address = {Corvallis, Or.}, keywords = {aquaculture, bivalves, eelgrass = Zostera marina, growth, habitats, King{\textquoteright}s Slough, Manila clam = Venerupis japonica, molluscs, Mud shrimp = Upogebia pugettensis, Oregon shore crab = Hemigrapsus oregonensis, sediments, theses, Ulva species: Enteromorpha species, Yaquina Bay}, url = {https://ir.library.oregonstate.edu/concern/graduate_thesis_or_dissertations/cj82kb997}, author = {Smith, Matt D.} } @article {14421, title = {Clam studies: 1983}, volume = {no.84-14}, year = {1984}, note = {"This report summarizes the results of our bay clam studies in 1983. Activities summarized include monitoring of the recreational and commercial clam fisheries, hatchery stock enhancement studies, natural recruitment studies, and miscellaneous other projects." (Introduction)}, month = {1984}, institution = {Oregon Department of Fish and Wildlife}, address = {Newport, OR}, keywords = {Alsea Bay, Bay Ocean Flat, Bayshore, bivalves, breakwater, Butter clam = Saxidomus giganteus, Cape Lookout Sand Spit, Charleston Flat, Charleston Triangle, Clam Island, Cockle clam = Clinocardium nuttallii, commercial fisheries - shellfish, Coos Bay, Coquille Point, Coquille River estuary, Criteser{\textquoteright}s Moorage, eelgrass = Zostera marina, Empire Flat, Gaper clam = Tresus capax, Garibaldi Flat, Hanson{\textquoteright}s Marina, Happy Camp, Idaho Point, Little Nestucca Flat, Littleneck clam = Leukoma staminea, Manila clam = Venerupis japonica, molluscs, Nehalem Bay, Nestucca Bay, Netarts Bay, North Fork Flat, North Shore, North Spit, Pigeon Point, recreational fisheries - shellfish, Sitka Flat, Siuslaw Bay, Softshell clam = Mya arenaria, statistics, Tillamook Bay, Umpqua River estuary, Yaquina Bay, Yaquina Bay Bridge}, url = {https://ir.library.oregonstate.edu/concern/technical_reports/12579s92p}, author = {Gaumer, Thomas F. and Oregon Department of Fish and Wildlife,} } @article {24366, title = {Oregon Bay Clam Distribution, Abundance, Planting Sites and Effects of Harvest. Annual Report. October 1, 1978 to September 30, 1979}, year = {1979}, note = {"The objectives of this study were: (1) to continue mapping the distribution of bay clams in Oregon{\textquoteright}s estuaries, (2) to assess the effects of mechanical harvest on subtidal claws and habitat, and (3) to evaluate the success of planting hatchery produced and released juvenile clams in selected Oregon estuaries." (p.1) Includes maps of clam, shrimp, eelgrass, and algae distribution in Umpqua and Coos Bays, and of areas approved for commercial clam harvesting in Yaquina and Coos bays, Gives biomass estimates for Yaquina Bay. Gives commercial clamming statistics. Discusses sediment changes after clam harvest. Numerous charts and tables. }, month = {December_1979}, pages = {47 p.}, institution = {Oregon Department of Fish and Wildlife}, address = {[Portland, Or.]}, keywords = {abundance, age composition, aquaculture, aquatic invertebrates, biological, bivalves, Butter clam = Saxidomus giganteus, Cockle clam = Clinocardium nuttallii, commercial fisheries - shellfish, Coos Bay, eelgrass = Zostera marina, Gaper clam = Tresus capax, human impacts, Littleneck clam = Leukoma staminea, molluscs, natural resource management, Netarts Bay, population biology, reproductive behavior, size composition, species list, Umpqua River estuary, Yaquina Bay}, url = {https://ir.library.oregonstate.edu/concern/technical_reports/rn3012042}, author = {Gaumer, Thomas F. and Robart, Gregory P. and Geiger, Anne and Oregon. Dept. of Fish and Wildlife, and U.S. National Marine Fisheries Service,} } @article {30521, title = {Oregon Bay Clam Distribution, Abundance, Planting Sites and Effects of Harvest. Annual Report. October 1, 1977 to September 30, 1978}, year = {1978}, note = {"Studies were continued on the distribution and abundance of bay clams in Oregon{\textquoteright}s estuaries. Maps showing distribution of clams, substrate type and vegetation type in Tillamook, Netarts and Salmon River estuaries are presented." (from the Introduction) The report also covers attempts to artificially enhance natural production of clams, and examines the commercial clam fisheries in Yaquina and Coos Bays. Good maps.}, month = {November_1978}, pages = {65 p.}, institution = {Oregon Department of Fish and Wildlife}, address = {[Portland, Or.]}, keywords = {age composition, algae, aquaculture, Baltic clam = Macoma balthica, Bay shrimp = Crangon franciscorum, Butter clam = Saxidomus giganteus, California softshell clam = Cryptomya californica, Cockle clam = Clinocardium nuttallii, commercial fisheries - shellfish, Coos Bay, crustaceans, eelgrass = Zostera marina, Fucus species, Gaper clam = Tresus capax, Ghost shrimp = Neotrypaea californiensis (Callianassa californiensis), growth, Irus clam = Irus ishibashianus, Littleneck clam = Leukoma staminea, Manila clam = Venerupis japonica, molluscs, Mud shrimp = Upogebia pugettensis, Netarts Bay, Piddock clam = Penitella penita, recreational fisheries - shellfish, Salmon River Estuary, Sand clam = Macoma secta, sediments, size composition, Softshell clam = Mya arenaria, spatial distribution, Tillamook Bay, Ulva species: Enteromorpha species, Yaquina Bay}, url = {https://ir.library.oregonstate.edu/concern/technical_reports/6w924c49m}, author = {Gaumer, Thomas F. and Robart, Gregory P. and Geiger, Anne and Oregon. Dept. of Fish and Wildlife, and U.S. National Marine Fisheries Service,} } @article {30276, title = {Oregon Bay Clam Distribution, Abundance, Planting Sites and Effects of Harvest. Annual Report. July 1, 1976-September 30, 1977}, year = {1977}, note = {Continued to chart the distribution of intertidal and subtidal populations of clams in Oregon. Looked for possible clam planting sites. Colored maps.}, month = {July_1977}, pages = {38 p.}, institution = {Oregon Department of Fish and Wildlife}, address = {[Portland, Or.]}, keywords = {age composition, aquaculture, Butter clam = Saxidomus giganteus, California softshell clam = Cryptomya californica, Cockle clam = Clinocardium nuttallii, commercial fisheries - shellfish, Coos Bay, eelgrass = Zostera marina, Gaper clam = Tresus capax, growth, Littleneck clam = Leukoma staminea, Manila clam = Venerupis japonica, molluscs, Netarts Bay, Oregon Aqua Foods, recreational fisheries - shellfish, Red abalone = Haliotis rufescens, sediments, size composition, Softshell clam = Mya arenaria, spatial distribution, Tillamook Bay, Venus clam = Venerupis phillipinarum, Whale Cove, Yaquina Bay}, url = {https://ir.library.oregonstate.edu/concern/technical_reports/fb4949124}, author = {Gaumer, Thomas F. and Oregon. Dept. of Fish and Wildlife, and National Marine Fisheries Service} } @article {30051, title = {Tidal Datums and Characteristics of the Upper Limits of Coastal Marshes in Selected Oregon Estuaries}, year = {1976}, note = {"Based on field work conducted during the months of July and August 1976, the following report describes the characteristics of vegetation at the upper limit of intertidal wetland in five Oregon coastal marshes and relates vegetation characteristics to marsh zonation, elevations above Mean Sea Level and various tidal datums." (from the Preface)}, month = {1976, Nov. 15}, pages = {93 p.}, institution = {Department of Geography, Oregon State University}, address = {Corvallis, Or.}, keywords = {Alsea Bay, aquatic vegetation, Bandon Marsh, biological, Burnside, Columbia River estuary, Coquille Bay, Drift Creek, Eckman Lake, eelgrass = Zostera marina, general ecosystem description, grasses, Hatfield Marine Science Center, physical, Settler Point, species list, tidal data, Tongue Point, wetland delineation, wetland vegetation, Yaquina Bay}, url = {https://ir.library.oregonstate.edu/concern/technical_reports/jh343s762}, author = {Frenkel, Robert E. and Eilers, H. Peter} } @article {29336, title = {Feasibility of Artificial Clam Beds}, year = {1972}, note = {This paper discusses the accidental creation of two clam beds by the U.S. Army Corps of Engineers in Yaquina Bay in 1948 and in Coos Bay around 1950 through dumping of enough dredging spoil to create small islands in the river. The islands were subsequently colonized by clams. The suggestion is to test using dredging spoil to create more clam beds. "Fishery biologists are not in complete agreement on the desirability of such a project. From the viewpoint of shellfish biologists, this is a justifiable procedure. However, biologists working with finfish such as shad and striped bass are convinced that these areas are more valuable as feeding grounds for these species." (p.6) Includes maps showing the locations of the man-made clam beds.}, month = {1972, Apr. 19}, pages = {8 p.}, institution = {Fish Commission of Oregon}, keywords = {breakwater, Coos Bay, eelgrass = Zostera marina, Gaper clam = Tresus capax, Pigeon Point, recreational fisheries - shellfish, salinity, sediments, Yaquina Bay}, url = {https://ir.library.oregonstate.edu/concern/technical_reports/hd76s084w}, author = {Snow, C. Dale and Oregon. Fish Commission. Management and Research Division,} }