1978 lakeshore capacity, progress report: 4. Microbiology component

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Laboratory Services Branch, Ontario Ministry of the Environment

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Ontario Ministry of the Environment


The main objective of the Microbiology Component of the Lakeshore Capacity Study has been: to define and quantify the relationships among recreational activity/development, the microorganisms which could cause disease in the human user and the incidence of the diseases caused by the microorganisms. In order to reach this objective, a variety of goals were formulated and projects were designed to examine specific subjects and areas of interest. From this variety of goals and projects, the work of the Microbiology Component has largely centered on the relationship among the recreational activity (swimming) at beaches and other types of development, the bacteria, (Pseudomonas aeruginosa) and the disease (Otitis externa, an infection of the outer auditory canal). The following report documents the field work which was carried out during the 1978-79 period and some of the findings of that work. In addition, some other smaller projects are outlined.


Ontario Ministry of the Environment
Biological Surveys/Investigations Reports


microbiology, recreational activity, lakeshore, beaches, development, microorganisms, bacteria, Yersinia enterolitica, Aeromonas hydrophila, Pseudomonas aeruginosa, auditory canal, Otitis externa