Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 7 of 7 for “"bacterial indicators"”.
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Identification of fecal pollution sources of karst waters by a combination of Bacteroidales genetic marker, bacterial indicators, and environmental variables
… microbial source tracking (MST), traditional bacterial indicators, and environmental variables. Water samples from springs and wells were collected from Illinois, Wisconsin, Kentucky and Missouri quarterly. Quantitative PCR with seven primer sets targeting different members of Bacteroidales …
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Υγιεινολογικός έλεγχος των πόσιμων υδάτων του γεωγραφικού διαμερίσματος Ηπείρου
… of potable water in the region of Epirus. The bacterial indicators of water pollution (total count, total coliforms, fecal coliforms and enterococci) were used in this study. Also, 334 strains grown on the m-Endo agar (enterobacteriaceae) were further identified. Fifteen hundred and fifty …
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Virus in sewage, polluted water and molluscan shellfish: a critical assessment of coliphage as a possible indicator organism
This thesis begins with a comprehensive review of bacterial indicator systems and. by drawing on published material related to the transmission of enteric viral disease in the marine environment shows that bacterial indicators are inadequate for assessing risks from viruses. Literature in respect …
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Pathogen Removal by Secondary and Advanced Water Reclamation for Water Reuse
… this research demonstrates pathogen and bacterial indicator removal and how process factors can affect treatment. A pilot-scale ozone-BAC based treatment train was operated at two water reclamation facilities in Reno, Nevada, USA over a two-year period. Virus, Cryptosporidium, Giardia and …
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Comparing the distribution of pathogenic bacteria and common indicator microorganisms in biofilms on different surface types in an agricultural watershed in British Columbia (Canada)
Little is known about the distribution of bacterial indicators and pathogens in biofilms on different surface types in natural aquatic environments. This study was conducted to examine the distribution of pathogens and indicator bacteria in biofilms in an agricultural watershed. The study …
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Justificación del empleo de nuevos indicadores biológicos en relación con la calidad de las aguas
… by the necessity of proposing new biological bacterial indicators to be included in future regulations. The samples were taken in the Comunidad de Madrid (Spain) and Hidalgo State (Mexico) in two rivers, two dams, tap water and two treated residual water stations. The analyses included …
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Release and Transport of Bacteria and Nutrients from Livestock Manure Applied to Pastureland
… 72% of the streams are impaired due to pathogen indicators (VDEQ, 2002). Land applications of manure from confined animal systems and by direct deposit by grazing animals are both major sources of fecal bacteria and nutrients in runoff. Therefore, an understanding of the overland transport …