Are Aquatic Invertebrates Retaining Microplastics in the Ottawa and Rideau Rivers?
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Microplastics are microscopic sized plastics. Microplastics are produced directly for cleaning and cosmetic products, and indirectly through the physical and chemical breakdown of larger plastic materials. These plastic particles can take thousands of years to fully decompose, and thus ultimately may end up in our waterways. Microplastics have been reported in the Ottawa and Rideau Rivers but little information exists on if these microplastics are being ingested by animals in these rivers. 150 invertebrates of classes Malacostraca and Bivalvia were collected from the Rideau River and 150 invertebrates of classes Malacostraca and Insecta from the Ottawa River. Nearly every single individual had microplastics in them, however there was no significant difference (p-value = 0.2641) in the number of invertebrates with microplastics in the Ottawa River versus the Rideau River. Microplastic concentrations were, however, significantly related to taxon (p-value = 2.67e-13) and weight (p-value < 2.2e-16).
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Copyright © 2020 the author(s). Theses may be used for non-commercial research, educational, or related academic purposes only. Such uses include personal study, research, scholarship, and teaching. Theses may only be shared by linking to Carleton University Institutional Repository and no part may be used without proper attribution to the author. No part may be used for commercial purposes directly or indirectly via a for-profit platform; no adaptation or derivative works are permitted without consent from the copyright owner.
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daddario-areaquaticinvertebratesretainingmicroplastics.pdf | 2023-05-05 | Public | Download |