Factors influencing fallback by adult Atlantic salmon following transport into a novel river reach
Abstract Transport of salmonids allows upstream migrating adults to bypass barriers to migration, for example hydroelectric dams or adverse habitats. Downstream movement (“fallback”) after transport is common and removes individuals from spawning populations, with possible detrimental consequences f...
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crwiley:10.1111/fme.12378 2024-06-02T08:03:31+00:00 Factors influencing fallback by adult Atlantic salmon following transport into a novel river reach Frechette, Danielle M. Goerig, Elsa Bergeron, Normand E. 2019 http://dx.doi.org/10.1111/fme.12378 https://onlinelibrary.wiley.com/doi/pdf/10.1111/fme.12378 https://onlinelibrary.wiley.com/doi/full-xml/10.1111/fme.12378 en eng Wiley http://onlinelibrary.wiley.com/termsAndConditions#vor Fisheries Management and Ecology volume 27, issue 1, page 20-31 ISSN 0969-997X 1365-2400 journal-article 2019 crwiley https://doi.org/10.1111/fme.12378 2024-05-03T11:51:14Z Abstract Transport of salmonids allows upstream migrating adults to bypass barriers to migration, for example hydroelectric dams or adverse habitats. Downstream movement (“fallback”) after transport is common and removes individuals from spawning populations, with possible detrimental consequences for population productivity. Time‐to‐event analysis was used to determine effects of fish characteristics, transport conditions and environmental variables on fallback by adult Atlantic salmon transported to an inaccessible river reach as a population enhancement strategy on the Rivière Sainte‐Marguerite Nord‐Est (Québec, Canada). Of 68 salmon transported, 19 exhibited post‐transport fallback within seven days of transport. Fork length (FL) was the only factor that increased risk of post‐transport fallback; there was a 5% increase in the proportion of large salmon (≥780 mm FL) exhibiting post‐transport fallback relative to individuals of median size (750 mm FL). Although the present study was limited by small sample size, the findings will help inform design of transport programmes in freshwater systems. Article in Journal/Newspaper Atlantic salmon Wiley Online Library Canada Marguerite ENVELOPE(141.378,141.378,-66.787,-66.787) Fisheries Management and Ecology 27 1 20 31 |
institution |
Open Polar |
collection |
Wiley Online Library |
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crwiley |
language |
English |
description |
Abstract Transport of salmonids allows upstream migrating adults to bypass barriers to migration, for example hydroelectric dams or adverse habitats. Downstream movement (“fallback”) after transport is common and removes individuals from spawning populations, with possible detrimental consequences for population productivity. Time‐to‐event analysis was used to determine effects of fish characteristics, transport conditions and environmental variables on fallback by adult Atlantic salmon transported to an inaccessible river reach as a population enhancement strategy on the Rivière Sainte‐Marguerite Nord‐Est (Québec, Canada). Of 68 salmon transported, 19 exhibited post‐transport fallback within seven days of transport. Fork length (FL) was the only factor that increased risk of post‐transport fallback; there was a 5% increase in the proportion of large salmon (≥780 mm FL) exhibiting post‐transport fallback relative to individuals of median size (750 mm FL). Although the present study was limited by small sample size, the findings will help inform design of transport programmes in freshwater systems. |
format |
Article in Journal/Newspaper |
author |
Frechette, Danielle M. Goerig, Elsa Bergeron, Normand E. |
spellingShingle |
Frechette, Danielle M. Goerig, Elsa Bergeron, Normand E. Factors influencing fallback by adult Atlantic salmon following transport into a novel river reach |
author_facet |
Frechette, Danielle M. Goerig, Elsa Bergeron, Normand E. |
author_sort |
Frechette, Danielle M. |
title |
Factors influencing fallback by adult Atlantic salmon following transport into a novel river reach |
title_short |
Factors influencing fallback by adult Atlantic salmon following transport into a novel river reach |
title_full |
Factors influencing fallback by adult Atlantic salmon following transport into a novel river reach |
title_fullStr |
Factors influencing fallback by adult Atlantic salmon following transport into a novel river reach |
title_full_unstemmed |
Factors influencing fallback by adult Atlantic salmon following transport into a novel river reach |
title_sort |
factors influencing fallback by adult atlantic salmon following transport into a novel river reach |
publisher |
Wiley |
publishDate |
2019 |
url |
http://dx.doi.org/10.1111/fme.12378 https://onlinelibrary.wiley.com/doi/pdf/10.1111/fme.12378 https://onlinelibrary.wiley.com/doi/full-xml/10.1111/fme.12378 |
long_lat |
ENVELOPE(141.378,141.378,-66.787,-66.787) |
geographic |
Canada Marguerite |
geographic_facet |
Canada Marguerite |
genre |
Atlantic salmon |
genre_facet |
Atlantic salmon |
op_source |
Fisheries Management and Ecology volume 27, issue 1, page 20-31 ISSN 0969-997X 1365-2400 |
op_rights |
http://onlinelibrary.wiley.com/termsAndConditions#vor |
op_doi |
https://doi.org/10.1111/fme.12378 |
container_title |
Fisheries Management and Ecology |
container_volume |
27 |
container_issue |
1 |
container_start_page |
20 |
op_container_end_page |
31 |
_version_ |
1800748057670713344 |