Journal Article

Environmental impact of chemical wastes produced by the salmon aquaculture industry

K. Haya, L. E. Burridge and B. D. Chang

in ICES Journal of Marine Science

Published on behalf of ICES/CIEM

Volume 58, issue 2, pages 492-496
Published in print January 2001 | ISSN: 1054-3139
Published online January 2001 | e-ISSN: 1095-9289 | DOI:
Environmental impact of chemical wastes produced by the salmon aquaculture industry

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  • Environmental Science
  • Marine and Estuarine Biology


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The rapid expansion of the salmon aquaculture industry in the last decade and the intentional and unintentional use of many chemicals have resulted in wastes that may have a direct environmental impact. Thus, methods and criteria are required to assess the environmental impact of these chemicals, in particular to identify the hazards and assess the risks of their uses. We describe a project in progress that is aimed at identifying the source of chemical wastes of salmon aquaculture in the Bay of Fundy, the quantities released, their distribution, and environmental fate. The project is also concerned with the effects of chemical wastes on important fisheries resources. Laboratory studies indicated that chemicals used in the treatment of sea-lice infestations are lethal to shrimp and lobsters. Lobsters exposed to sublethal concentrations of one of these chemicals, azamethipohos, had decreased reproductive success compared to control lobsters. However, more information is required to estimate the associated risk to wild populations of lobster and shrimp.

Keywords: aquaculture; Atlantic salmon; biological effects; chemical wastes; ecotoxicology; sea-lice treatments

Journal Article.  0 words. 

Subjects: Environmental Science ; Marine and Estuarine Biology

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