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      <marc:subfield code="a">Canadian Ecotoxicity Workshop </marc:subfield>
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      <marc:subfield code="a">Proceedings of the 47th annual Canadian Ecotoxicity Workshop : </marc:subfield>
      <marc:subfield code="b">October 3-6, 2021, Halifax, Nova Scotia / </marc:subfield>
      <marc:subfield code="c">editors, Rita Mroz, Laura Tupper-Ring, Abby van der Jagt, Sarah Marteinson, Jennifer Miller and Carrie Rickwood.</marc:subfield>
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      <marc:subfield code="a">Ottawa, Ontario : </marc:subfield>
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      <marc:subfield code="c">©2024</marc:subfield>
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      <marc:subfield code="a">Canadian technical report of fisheries and aquatic sciences, </marc:subfield>
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      <marc:subfield code="a">Includes bibliographical references and index.</marc:subfield>
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      <marc:subfield code="a">"For 41 years, the annual Aquatic Toxicity Workshop (ATW) was held in various locations across Canada. In 2015, the ATW was rebranded as the annual Canadian Ecotoxicity Workshop (CEW) to reflect the broad scope of environmental interests held by workshop participants. The 47th annual CEW was held at the Halifax Convention Centre in 2021, after a one year delay due to COVID-19. This workshop was the first hybrid CEW event and included 74 platform presentations (both virtual and in-person) and 38 virtual poster presentations. Total participation was 212 persons (85 in-person and 127 virtual attendees). This workshop was one of a continuing series of annual workshops in Canada on ecological toxicology, covering topics from basic aquatic toxicology to applications in environmental effects monitoring (including community-based monitoring with First Nations), setting of regulations and guidelines, the development of sediment and water quality criteria, and toxicity assessments. These workshops emphasize an informal exchange of ideas and knowledge on the topics among interested persons from industry, governments, and universities. Additionally, the workshop provides an annual focus on the principles, current problems, and approaches in ecotoxicology. These workshops are administered by a Board of Directors and organized by local organizing committees annually. The Proceedings are published with the support of Fisheries and Oceans Canada"--Abstract, page xiv.</marc:subfield>
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      <marc:subfield code="a">Includes abstracts in English and French.</marc:subfield>
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