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Dissertations / Theses on the topic 'Marine bacteria – Effect of water pollution on'

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1

Al-Rasheid, Khaled A. S. "The effect of heavy metals on the marine ciliate Euplotes mutabilis (Tuffrau, 1960)." Thesis, University of Southampton, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.358875.

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2

Lau, Ken Wan Keung. "The identification of novel marine bacteria, and the construction of single chain fragment variable antibodies for the control of a viral pathogen /." View abstract or full-text, 2006. http://library.ust.hk/cgi/db/thesis.pl?AMCE%202006%20LAU.

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3

Degger, Natalie. "Disruption of steroidogenesis and reproduction in marine medaka (oryzias melastigma) upon water and dietary exposure to silver nanoparticles." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2013. http://hdl.handle.net/10722/211562.

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4

Kelly, Joann. "The effect of nutrient limitation on the growth and toxicity of the dinoflagellate Gyrodinium instriatum." View electronic thesis (PDF), 2009. http://dl.uncw.edu/etd/2009-3/kellyj/joannkelly.pdf.

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5

Naigaga, Irene. "Bioaccumulation and histopathology of copper in Oreochromis mossambicus." Thesis, Rhodes University, 2003. http://hdl.handle.net/10962/d1005077.

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Cu is one of the most toxic elements that affect fish populations when the fish are exposed to concentrations exceeding their tolerance. To investigate the effects of elementary Cu on aspects of bioconcentration, histology and behaviour, O. mossambicus were exposed to 0 and 0.75 ± 0.20 mg/l of Cu for 96 hours (short-term study), and 0, 0.11 ± 0.02, 0.29 ± 0.02, and 0.47 ± 0.04 mg/l of Cu for 64 days (longterm study) under controlled conditions in the laboratory. For the long-term study fish were sampled for gills, liver, and kidney Cu accumulation analysis after 1, 32 and 64 days of exposure a
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6

Yu, Pui-shan, and 余珮珊. "The potential for using biomonitoring in the Hong Kong marine environment." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1996. http://hub.hku.hk/bib/B31253611.

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7

Hayteas, David Lawrence. "A Semiquantitative Analysis of PCB and P,P-DDE Residues in Stranded Marine Mammals Using High Performance Liquid Chromatography." PDXScholar, 1996. https://pdxscholar.library.pdx.edu/open_access_etds/1395.

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Organochlorines are ubiquitous pollutants of the marine environment. These lipid-soluble and highly persistent compounds are found in detectable amounts in almost all marine organisms, and accumulate in the lipid tissues of marine animals. This bioaccumulation leads to biomagnification of these contaminants in higher trophic levels. Near the top of many marine food chains are found the marine mammals, in whose blubber high levels of organochlorine residues have been measured. The most commonly occurring of these pollutants in these animals are the polychlorinated biphenyls (PCB's) and p,p-DDE,
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8

Hemming, Jon Michael. "Evaluation of the Use of the Bivalves Ischadium recurvum Rafinesque, 1820 and Corbicula fluminea Muller, 1774 as Biological Indicators of Relative Water Quality in Terms of Growth and Upper Temperature Tolerance." Thesis, University of North Texas, 1997. https://digital.library.unt.edu/ark:/67531/metadc278827/.

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Growth of mussels under laboratory conditions was examined under various food regimes in different water types and temperatures. Growth was less than would be useful as an indicator and comparisons with field exposures were of minimal value. The effects of organophosphates on bivalves were examined via toxicity tests, tissue concentration, and by controlling exposure through the use of physical constraints. Upper temperature tolerance of both bivalve species was examined with respect to different acclimation temperatures and organophosphate exposures. Deviations from control exposures occurred
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9

Mostert, Bruce Petrus. "Responses of intertidal macroalgae and associated fauna to interactive processes acting over multiple spatial scales." Thesis, Rhodes University, 2010. http://hdl.handle.net/10962/d1013370.

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The decrease of biological diversity from low latitudes near the equator towards high latitudes is one of the most fundamental patterns noted in ecology. These trends have been the subject of numerous terrestrial and marine studies and have caused the proposal of several explanatory hypotheses. No single hypothesis has adequately accounted for these observed trends. Furthermore, large-scale patterns are frequently modified by processes acting at meso- to small-scales. It is imperative to understand the interaction of these processes to elucidate the mechanisms controlling the structure of inte
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10

Tsui, Man-leung, and 徐文亮. "Biological monitoring and its value in assessing the marine environment of Hong Kong." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1996. http://hub.hku.hk/bib/B3125357X.

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11

Kujawinski, Elizabeth B. "The effect of protozoan grazers on the cycling of polychlorinated biphenyls (PCBs) in marine systems." Thesis, Massachusetts Institute of Technology, 2000. http://hdl.handle.net/1721.1/58521.

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Thesis (Ph. D.)--Joint Program in Oceanography (Massachusetts Institute of Technology, Dept. of Earth, Atmospheric, and Planetary Sciences; and the Woods Hole Oceanographic Institution), 2000.<br>Includes bibliographical references (p. 207-219).<br>Processes affecting organic carbon distribution and composition can control the speciation of organic contaminants such as polychlorinated biphenyls (PCBs) and ultimately determine their residence time in a particular environment. In marine systems, the microbial loop influences organic carbon dynamics by recycling a significant fraction of dissolve
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12

De, Almeida Louise. "The effect of sewage effluent from De Beers marine diamond mining operations on the expression of cytochrome P450 (CYP1A) and vitellogenin (vtg)." Thesis, Rhodes University, 2013. http://hdl.handle.net/10962/d1009440.

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Sewage effluents disposed into the marine environment from De Beers Marine Namibia diamond mining vessels have the potential to cause endocrine disruptive effects in marine organisms. Endocrine disruption refers to the alteration of the normal functioning of the endocrine system and various chemicals have the ability to mimic hormones, effecting endogenous hormone synthesis, transport, receptor interaction and intracellular signaling. The potential endocrine disruptive effects, caused by the release of different types of sewage effluents into the ocean, on fish species is a concern due to the
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13

Riebel, Philippe N. "Acute effects of petroleum hydrocarbons on the arctic littoral mysid, mysis oculata (Fabricius)." Thesis, McGill University, 1988. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=61781.

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14

Peters, Joseph Richard. "Pharmaceutical Contaminants as Stressors on Rocky Intertidal and Estuarine Organisms: a Case Study of Fluoxetine." PDXScholar, 2016. https://pdxscholar.library.pdx.edu/open_access_etds/2729.

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Contaminants such as pharmaceuticals are of increasing concern due to their ubiquitous use and persistence in surface waters worldwide. Limited attention has been paid to the effects of pharmaceuticals on marine life, despite widespread detection of these contaminants in the marine environment. Of the existing studies, the majority assess the negative effects of pharmaceuticals over an exposure period of 30 days or less and focus on cellular and subcellular biomarkers. Longer studies are required to determine if chronic contaminant exposure poses risks to marine life at environmentally relevan
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15

Brice, Caitlin E. "The Detection of Amazonian Manatees (Trichechus inunguis) Using Side-Scan Sonar and the Effect of Oil Activities on Their Habitats in Eastern Ecuador." NSUWorks, 2014. http://nsuworks.nova.edu/occ_stuetd/8.

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Substantial hunting pressure and habitat destruction caused by oil extraction has critically endangered the Amazonian manatee in Ecuador. The current population status is unknown because an effective method to observe them in the wild has yet to be developed. This study explored whether the Amazonian manatee persists or has been extirpated in the eastern Ecuadorian Amazon utilizing side-scan sonar to increase odds of detection. Spatial differences in probability of detection were quantified if manatees were observed. The level of chemical contamination was determined and compared spatially and
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16

"DNA strand breaks in crustaceans as an indicator of marine pollution." 2005. http://library.cuhk.edu.hk/record=b5892426.

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Chan Kwan-ling.<br>Thesis (M.Phil.)--Chinese University of Hong Kong, 2005.<br>Includes bibliographical references (leaves 91-105).<br>Abstracts in English and Chinese.<br>Abstract --- p.i<br>Acknowledgements --- p.v<br>Contents --- p.vi<br>List of figures and tables --- p.ix<br>Chapter Chapter 1 --- Introduction<br>Chapter 1.1 --- Literature review --- p.1<br>Chapter 1.1.1 --- The effect of pollutants on the genetic materials of aquatic organisms --- p.1<br>Chapter 1.1.1.1 --- Response of individual to genotoxicants --- p.1<br>Chapter 1.1.1.2 --- Effects of genotoxicants on population
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