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.
Results
Showing 1 to 7 of 7 for “"Pollution -- Environmental aspects."”.
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Landscape and climate drivers of harmful algal blooms in Iowa
1 PDF file (viii, 74 pages)
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Science and Perception Related to the Environment as an Ethical Concern
285 leaves. Advisor: Michael Myszewski
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Understanding the critical role of a wetland in maintaining the ecosystem: A case study
1 PDF file (xii, 173 pages)
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Assessing interactions between nutrients and toxicity : influences of nitrogen and phosphorus on triclosan toxicity to the aquatic macrophyte "lemna gibba".
In the present study, influences of nutrient availability on triclosan toxicity to a model aquatic macrophyte Lemna gibba were explored. Triclosan effective concentrations varied by up to 6.5-fold depending on nutrient treatment and standardized endpoint. Mesocosm results validated these laboratory …
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Effects on Survival, Reproduction and Growth of Ceriodaphnia dubia following Single Episodic Exposure to Copper or Cadmium
… short-term chronic test recommended by the US Environmental Protection Agency, Ceriodaphnia dubia were exposed to copper or cadmium for durations ranging from 1 minute to 24 hours. In addition, adult reproductive recovery and effects on second generation individuals was assessed following …
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Comparative Bioavailability of Dietary and Dissolved Cadmium to Freshwater Aquatic Snails
Heavy metal bioaccumulation in aquatic organisms may occur through direct or indirect uptake routes. Research indicates that the significance of uptake route varies with contaminant and organism exposed. The relative importance of different metal sources in aquatic systems was investigated by …