Association between sea lice (Lepeophtheirus salmonis) infestation on Atlantic salmon farms and wild Pacific salmon in Muchalat Inlet, Canada
Growth in salmon aquaculture over the past two decades has raised concerns regarding the potential impacts of the industry on neighboring ecosystems and wild fish productivity. Despite limited evidence, sea lice have been identified as a major cause for the decline in some wild Pacific salmon popula...
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ftpubmed:oai:pubmedcentral.nih.gov:5838213 2023-05-15T15:31:24+02:00 Association between sea lice (Lepeophtheirus salmonis) infestation on Atlantic salmon farms and wild Pacific salmon in Muchalat Inlet, Canada Nekouei, Omid Vanderstichel, Raphael Thakur, Krishna Arriagada, Gabriel Patanasatienkul, Thitiwan Whittaker, Patrick Milligan, Barry Stewardson, Lance Revie, Crawford W. 2018-03-05 http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5838213/ http://www.ncbi.nlm.nih.gov/pubmed/29507330 https://doi.org/10.1038/s41598-018-22458-8 en eng Nature Publishing Group UK http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5838213/ http://www.ncbi.nlm.nih.gov/pubmed/29507330 http://dx.doi.org/10.1038/s41598-018-22458-8 © The Author(s) 2018 Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/. CC-BY Article Text 2018 ftpubmed https://doi.org/10.1038/s41598-018-22458-8 2018-03-18T01:12:41Z Growth in salmon aquaculture over the past two decades has raised concerns regarding the potential impacts of the industry on neighboring ecosystems and wild fish productivity. Despite limited evidence, sea lice have been identified as a major cause for the decline in some wild Pacific salmon populations on the west coast of Canada. We used sea lice count and management data from farmed and wild salmon, collected over 10 years (2007–2016) in the Muchalat Inlet region of Canada, to evaluate the association between sea lice recorded on salmon farms with the infestation levels on wild out-migrating Chum salmon. Our analyses indicated a significant positive association between the sea lice abundance on farms and the likelihood that wild fish would be infested. However, increased abundance of lice on farms was not significantly associated with the levels of infestation observed on the wild salmon. Our results suggest that Atlantic salmon farms may be an important source for the introduction of sea lice to wild Pacific salmon populations, but that the absence of a dose response relationship indicates that any estimate of farm impact requires more careful evaluation of causal inference than is typically seen in the extant scientific literature. Text Atlantic salmon PubMed Central (PMC) Canada Pacific Scientific Reports 8 1 |
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Article Nekouei, Omid Vanderstichel, Raphael Thakur, Krishna Arriagada, Gabriel Patanasatienkul, Thitiwan Whittaker, Patrick Milligan, Barry Stewardson, Lance Revie, Crawford W. Association between sea lice (Lepeophtheirus salmonis) infestation on Atlantic salmon farms and wild Pacific salmon in Muchalat Inlet, Canada |
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Growth in salmon aquaculture over the past two decades has raised concerns regarding the potential impacts of the industry on neighboring ecosystems and wild fish productivity. Despite limited evidence, sea lice have been identified as a major cause for the decline in some wild Pacific salmon populations on the west coast of Canada. We used sea lice count and management data from farmed and wild salmon, collected over 10 years (2007–2016) in the Muchalat Inlet region of Canada, to evaluate the association between sea lice recorded on salmon farms with the infestation levels on wild out-migrating Chum salmon. Our analyses indicated a significant positive association between the sea lice abundance on farms and the likelihood that wild fish would be infested. However, increased abundance of lice on farms was not significantly associated with the levels of infestation observed on the wild salmon. Our results suggest that Atlantic salmon farms may be an important source for the introduction of sea lice to wild Pacific salmon populations, but that the absence of a dose response relationship indicates that any estimate of farm impact requires more careful evaluation of causal inference than is typically seen in the extant scientific literature. |
format |
Text |
author |
Nekouei, Omid Vanderstichel, Raphael Thakur, Krishna Arriagada, Gabriel Patanasatienkul, Thitiwan Whittaker, Patrick Milligan, Barry Stewardson, Lance Revie, Crawford W. |
author_facet |
Nekouei, Omid Vanderstichel, Raphael Thakur, Krishna Arriagada, Gabriel Patanasatienkul, Thitiwan Whittaker, Patrick Milligan, Barry Stewardson, Lance Revie, Crawford W. |
author_sort |
Nekouei, Omid |
title |
Association between sea lice (Lepeophtheirus salmonis) infestation on Atlantic salmon farms and wild Pacific salmon in Muchalat Inlet, Canada |
title_short |
Association between sea lice (Lepeophtheirus salmonis) infestation on Atlantic salmon farms and wild Pacific salmon in Muchalat Inlet, Canada |
title_full |
Association between sea lice (Lepeophtheirus salmonis) infestation on Atlantic salmon farms and wild Pacific salmon in Muchalat Inlet, Canada |
title_fullStr |
Association between sea lice (Lepeophtheirus salmonis) infestation on Atlantic salmon farms and wild Pacific salmon in Muchalat Inlet, Canada |
title_full_unstemmed |
Association between sea lice (Lepeophtheirus salmonis) infestation on Atlantic salmon farms and wild Pacific salmon in Muchalat Inlet, Canada |
title_sort |
association between sea lice (lepeophtheirus salmonis) infestation on atlantic salmon farms and wild pacific salmon in muchalat inlet, canada |
publisher |
Nature Publishing Group UK |
publishDate |
2018 |
url |
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5838213/ http://www.ncbi.nlm.nih.gov/pubmed/29507330 https://doi.org/10.1038/s41598-018-22458-8 |
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Canada Pacific |
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Canada Pacific |
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Atlantic salmon |
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Atlantic salmon |
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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5838213/ http://www.ncbi.nlm.nih.gov/pubmed/29507330 http://dx.doi.org/10.1038/s41598-018-22458-8 |
op_rights |
© The Author(s) 2018 Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/. |
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CC-BY |
op_doi |
https://doi.org/10.1038/s41598-018-22458-8 |
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Scientific Reports |
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