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ThesisChen, Jei-YingPostulated by Bayer (1955), the calcaxonian gorgonians may have close affinity to the pennatulaceans based on the resemblance of axial structure observed under polarized light microscopy. To further confirm the phylogenetic relationship between the tw . . .
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ThesisManugian, Suzanne CamillePacific harbor seals (Phoca vitulina) within San Francisco Bay (SFB) have been described as stable compared with those in coastal northern California, like Tomales Bay (TB). Historical data (1970s - early 2000s) indicated an overall increase in adults . . .
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ThesisGallagher, Cara AlyseThe occupation of an ecosystem by a new top predator could affect the stability of a food web. In San Francisco Bay (SF Bay), there is evidence for a multi-decadal disappearance of harbor porpoises {Phocoena phocoena) that spanned from the 1940’s to t . . .
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ThesisRodriguez, JessicaGroundwater sustainability is at the forefront of resource management. In light of climate change and growing populations, meeting future water needs must be met with planning and innovation. This is particularly challenging in cities where recharge i . . .
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ThesisRichard, HeatherPlastic debris in aquatic environments can accumulate ions from the surrounding water, potentially altering the fate of trace metals in these ecosystems. Mechanisms driving this process are poorly understood, and may be attributed to organic matter fo . . .
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ThesisPatten, Melissa VirginiaMorphological variations in widely distributed plants may be driven by phenotypic plasticity or by underlying genetic differences. In the brackish open water region of the San Francisco Estuary (SFE), a population of sago pondweed, (Stuckenia pectinat . . .
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ThesisLee, Tricia LouiseThis study examined the benthic zone of tidal habitats in the San Francisco Estuary (SFE) in order to characterize this understudied part of the ecosystem. Microbial community composition was evaluated in relation to nutrient flux rates from the sedim . . .
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ThesisNadel, Miko Rain AbrahamA systematic monograph of the lichen genus Usnea from the remote, under-explored islands of Sao Tome and Principe (ST&P) in tropical West Africa is presented, treating 11 species representing 2 subgenera, Usnea and Eumitria. Ten of the 11 species are . . .
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ThesisKalmbach, Andrew JamesThe Amazon River Plume (ARP) is a productive region of the Atlantic Ocean where riverine nutrients drive particulate productivity. A portion of the carbon produced by phytoplankton is released as dissolved organic carbon (DOC); this research investiga . . .
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ThesisLam, Emily KathrynSmall-scale shifts in species distributions are expected to occur under future climate for many species. These shifts can have consequences as they alter population dynamics, and it is important to understand when and why they occur. The intertidal po . . .
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ThesisBarry, Shannon NoelleBatoids exhibit unique body plans, with derived fin morphologies such as the anteriorly expanded pectoral fins that fuse to the head, or distally extended anterior pelvic fin lobes used for a modified swimming technique utilized by skates (Rajidea). T . . .
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ThesisCeja, Alma YeseniaClimate induced shifts in population distributions are widely documented around the globe as a means of animals behaviorally responding to their physiological tolerance limits. The rocky intertidal shore is known for its highly thermally variable envi . . .
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ThesisIngman, Kaytlin BrookeIn the California Current System, baleen whales are used as a proxy for ecosystem health because they have been widely studied as a top predator. Oceanographic variability in the California Current System is dominated by three basin scale climate patt . . .
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ThesisMeyers, Morgan TealFour species of phytoplankton (Rhodomonas salina, Skeletonema marinoi, Prorocentrum micans, Isochrysis galbana) were grown under present-day low (400ppm pCOi, pH~8.1) and predicted-future high (lOOOppm pCOi, pH~7.8) ocean acidification conditions usin . . .
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ThesisGreen, Kristen MarieMovements of 23 sub-adult and 10 juvenile black rockfish (Sebastes melanops) implanted with acoustic transmitters were monitored during 16 months in Carmel Bay, California. Most tagged sub-adult black rockfish (14 fish) were resident to the study area . . .
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ThesisFisher, Alison ChristineThe giant green sea anemone (Anthopleura xanthogrammica) inhabits the rocky intertidal zone in California and Oregon. Two photosynthetic algal symbionts, zooxanthellae and zoochlorellae, make these anemones important primary producers in the intertida . . .
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ThesisTravis, Nicole MayuAs a highly urbanized ecosystem, the San Francisco Estuary (SFE) has many wastewater treatment facilities discharging large volumes of high nutrient effluent into the estuary. Phytoplankton primary production can be depressed in the presence of ammoni . . .
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ThesisPollak, Tania NurithIschnura gemina, the San Francisco forktail damselfly (Family Coenagriortidae) is endemic to the San Francisco Bay area, and is identified by the International Union for Conservation of Nature as a vulnerable species. Research from the late 1970s thro . . .
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ThesisCox, Daniel McGovernMassive precipitation experienced in California during the 2016-17 winter brought the salinity of surface waters in San Francisco Bay Estuary (SFBE) down to values not seen in years. Bay-dwelling organisms such as intertidal invertebrates are at risk . . .
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ThesisWehrenberg, Megan LianeThe purpose of this project was to examine and compare the mechanisms for growth and reproduction of Gracilariopsis andersonii found along an exposed rocky coast and within an estuarine sand flat. Biomass and reproductive capacity were measured within . . .
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ThesisScheinberg, Lauren AshleyEelgrass (Zostera marina) beds are highly valued in temperate estuaries worldwide, and decades of declines have led to conservations and restoration programs in many regions. Understanding variation in factors that determine eelgrass success is an imp . . .
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ThesisWeaver, Crystal LynnRestoration of eelgrass (Zostera marina) is underway in a number of regions, yet transplant success remains inconsistent. Eelgrass bed sediments and the microbial communities therein are not well understood, though they may hold the key to improving r . . .
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ThesisRutherford, Erica MarieDespite the amount of attention it has received, attempts to explain the distribution of genetic diversity have not been fully successful. Competing theories claim that neutral or selective processes have a greater influence on the genetic variation w . . .
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ThesisHossfeld, Daniel JohnControlled experiments testing effects of temperature, salinity, and aerial exposure were paired with field observations to investigate symbiont expulsion in the abundant intertidal anemone, Anthopleura elegantissima. In the study region, A. elegantis . . .
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ThesisComparison of anthropometric and psychological characteristics of marathon and ultramarathon runnersEnriquez, Kathryn AnnThe purpose of this study was to investigate the psychological and physiological characteristics of marathon and ultramarathon runners. Fourteen marathon and 14 ultramarathon recreational runners were assessed for, body height, body mass, BMI, body fa . . .
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ThesisChow, BensonThe earliest, newly settled juvenile stages are a critical phase in the life cycles of sessile marine invertebrates. Individuals must grow quickly to avoid lethal predation, yet they may be stuck in low flow boundary layers where obtaining food for ra . . .
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ThesisTurner, Carley RaeSea surface pH is projected to decline 0.3 - 0.4 units by the year 2100. In the same time span, global surface temperature is expected to increase up to 4°C. Many studies have recently focused on the interactive effects of multiple stressors on the ph . . .
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ThesisYates, Devona C.Field surveys and empirical predation assays (i.e., tethering experiments) were conducted inside and outside of three no-take marine reserves, one established in 2007, and two 30+ years old in central California kelp forests. Densities of micro-invert . . .
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ThesisJohnson, KeChaunte AmrieDelineation of Acartia spp. is essential to assess the biodiversity of copepods in marine ecosystems. Previous phylogenetic analyses show lack of monophyly for A.tonsa and A.hudsonica. Reported average DNA sequence divergence among some Acartia spp. i . . .
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ThesisSebilian, Serina SueThis research examined the effects of temperature (20, 25, and 30°C) and salinity (0, 6, and 12) on the plant traits of the aquatic macrophyte, Stuckenia pectinata, and how changes in these traits influence herbivory by invertebrate grazers. The highe . . .
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ThesisMelroy, Laura MichelleTemporal genetic studies of direct developing organisms are rare. Marine invertebrates lacking a planktonic larval stage are expected to have lower dispersal, low gene flow, and a higher potential for local adaptation than organisms with planktonic di . . .
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ThesisWeinnig, Alexis MarieOctocorals are among the most abundant and diverse organisms in the ocean. These animals are present in every ocean and can be found from the intertidal zone (0 m) to abyssal depths (over 6000 m). Gorgonians are octocorals with a solid, internal axis. . . .
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ThesisAbegaz, Metadel FissehaSpecies redistribution is a well-documented response to global change. Understanding the resulting physiological responses of organisms is critical for predicting community composition changes that may occur under future conditions. The porcelain crab . . .
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ThesisCarlen, Elizabeth JaneGiant sengis (genus Rhynchocyon), also known as giant elephant-shrews, are approximately 500 g forest floor mammals that range from Central to East Africa. Previous work on giant sengi taxonomy has focused primarily on pelage color, pelage pattern, an . . .
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ThesisGao, Ivan ThomasFor efficient plant growth, legumes form symbiosis with a group of nitrogen-fixing bacteria, Rhizobia. Recent results in Sinorhizobium meliloti Rml 021 have shown that jspA, IppA, and podJ are involved in the production of succinoglycan (EPS-I), an es . . .
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ThesisStrong, Shannon ElizabethA two-year study of nutrient and chlorophyll-a (chl-a) dynamics within and proximal to a 28 ha restored wetland was evaluated. The net mass flux of dissolved inorganic nitrogen (DIN) and chl-a at the restored site, Blacklock Tidal Marsh (BTM) was also . . .
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ThesisDesmet, Danielle NicolePopulation bottlenecks, and subsequent loss of genetic diversity, are a common occurrence for introduced species. The MHC Class IIDB locus must constantly adapt to detect shifting pathogen communities and is used in this study to assess functional div . . .
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ThesisPinnell, Cassie MariaThis research was conducted to monitor the response of aquatic macroinvertebrate communities to the restoration of intertidal habitat, including eelgrass (Zostera marina) and native oyster reefs (Ostrea lurida) in the San Francisco Estuary. Plots of e . . .
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ThesisYockachonis, Thomas JosephMultiple paternity is widespread across many taxa including birds, insects and marine species. Despite multiple paternity being rare among studied crustaceans, a study found that -93% of female porcelain crabs, Petrolisthes cinctipes, mate with more t . . .
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ThesisDenney, Christian Thomas CharlesIncreasing use of ecosystem-based management strategies, which are often applied to broad geographic areas and preclude extractive activities, are creating a need for rapid, cost-effective monitoring of large areas. Visual surveys are increasingly bei . . .
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ThesisDrake, Michelle KimThe 2009 Integrated Ocean Drilling Program Expedition 323 (Exp 323) to the Bering Sea recovered the first continuous sediment cores of the Pleistocene glacial cycles from sites throughout the marginal sea. Sediments in this region are dominated by dia . . .
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ThesisLee, JamieThis study demonstrated that Delta Microcystis can utilize different forms o f inorganic and organic N, with the greatest capacity for NH4+ uptake and the least for glutamic acid uptake, though N uptake did not always follow the classic Michaelis-Ment . . .
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ThesisBrett, Catherine HelenEchinoids comprise a diverse group of Echinoderms composed of around 1000 extant species. The sea urchin family, Trigonocidaridae exemplifies echinoid diversity, being found in almost every marine ecoregion from the intertidal zone to depths over 3,00 . . .
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ThesisJohnson, Allison NicoleIncreases in water temperature and salinity that are predicted to occur with climate change are hypothesized to alter phytoplankton communities, expand cyanobacteria blooms, and alter food web structure in estuaries. For example, since 1999 blooms of . . .
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ThesisBroughton, Jennifer AnnePhytoplankton form the base of the global marine carbon cycle. Measurements of primary production are integral to understanding fluxes between the atmosphere and both organic and inorganic carbon pools in the ocean. Virtually all measurements today ar . . .
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ThesisLee, Calvin Yin-TatChemical contaminants in estuaries may interfere with an organism’s ability to ward against parasites and disease which can shape patterns of genetic diversity in populations, including at the Major Histocompatibility Complex (MHC) which helps recogni . . .
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ThesisBarretto, Kathryn MeganMicrobial mats are found globally in dynamic aquatic environments. Visually different morphotypes (orange-red and black-green) also show different rates of nitrogen fixation and biogeochemical activity. Glacial meltwater communities in the McMurdo Dry . . .
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ThesisHarwood, Dashiell BlairThe geographical history of the Gulf of Guinea Islands has played a significant role in shaping the diversity and distributional patterns of the Hemidactylus geckos in the African- Atlantic clade. This study elucidates the phylogenetic relationships b . . .
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ThesisKowalski, Beatriz AngelaSalmonella, consisting of more than 2000 serovars, is the second most common cause of foodborne illness in the US that can survival intracellularly and lead to gastrointestinal illness. Phosphorothioation (PT) is a post-replicative modification that r . . .