![]() ![]() ![]() There were three growth parameters investigated in this study, turbidity at 750nm, chlorophyll-a content (μg/l) and number of cells or filaments per ml and calculating the growth rate (μ) for each parameter, then examination of the morphological changes for both Scenedesmus sp and Anabaena sp to investigate the abnormalities that happened due to the exposure to the electromagnetic field. The samples from each algal culture (treatment and control) were harvested at zero time and after 8 hours of exposure then each 24 hours for 6 days, then three samples were taken to measure the growth parameters and another one sample was fixed by Leugol’s solution and preserved until examination under the microscope. This experiment was desired to expose the used algae to the electromagnetic field for 8 hours per day to 6 days a week, this means that the total exposure period was 48 hours to each EMF intensity. At the same time and same growth conditions of light and temperature, the control cultures were grown away from the field. This study was carried out on a pure culture of the two mentioned species on BG-11 medium, then expose the two algal cultures to a different intensities of electromagnetic field of 200, 400, 8 gauss. To studying the effect of electromagnetic field on algae, there were two different species of algae used namely, Scenedesmus sp from division chlorophyta and Anabaena sp from division cyanophyta. This thesis is devoted to study the effect of the electromagnetic field on the growth and morphology of some species of algae. ![]() According to all the attempts on studying the effect of the electromagnetic field on human, animals, plants and microorganisms. It is well known nowadays that the environment is exposed to many electromagnetic field exposure produced by the appliances, and other electric devices that we use to make life safer, easier and more interesting, in the last few years, many studies carried out to investigate the effect of electromagnetic field on the biological systems. ![]()
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