Are diatom-based biotic indices developed in eutrophic,organically enriched waters reliable monitoring metrics in clean waters? |
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| Institution: | 1. College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao 266042, Shandong, China;2. Laboratory of Microbial Ecology, Ocean University of China, Qingdao 266003, China;3. Division of Polar Life Sciences, Korea Polar Research Institute, Incheon 21990, Republic of Korea |
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| Abstract: | The application of diatom indices developed for organically enriched and eutrophic waters in oligotrophic and relatively pristine streams in the Eastern Highlands of Zimbabwe was investigated based on data collected in May–August 2007. Better suitability of diatom indices in investigating the quality of eutrophic, organically enriched waters compared to oligotrophic waters is demonstrated. More robust data sets on taxonomy and autecology of a great number of diatom species are required to make the indices more powerful tools in monitoring water quality and ecological integrity of streams in the region. |
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| Keywords: | Diatoms Matrices Pristine environments Water quality Trophic levels |
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