Habitat use of Atlantic salmon Salmo salar parr in a dynamic winter environment: the influence of anchor‐ice dams
The effect of anchor‐ice dams on the physical habitat and behavioural responses of Atlantic salmon Salmo salar parr in a small, steep stream was investigated. Anchor‐ice dams formed periodically, leading to a dynamic winter environment as the study reach alternated between riffle and walk dominated...
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crwiley:10.1111/j.1095-8649.2008.01988.x 2024-06-02T08:03:29+00:00 Habitat use of Atlantic salmon Salmo salar parr in a dynamic winter environment: the influence of anchor‐ice dams Stickler, M. Enders, E. C. Pennell, C. J. Cote, D. Alfredsen, K. T. Scruton, D. A. 2008 http://dx.doi.org/10.1111/j.1095-8649.2008.01988.x https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1111%2Fj.1095-8649.2008.01988.x https://onlinelibrary.wiley.com/doi/pdf/10.1111/j.1095-8649.2008.01988.x en eng Wiley http://onlinelibrary.wiley.com/termsAndConditions#vor Journal of Fish Biology volume 73, issue 4, page 926-944 ISSN 0022-1112 1095-8649 journal-article 2008 crwiley https://doi.org/10.1111/j.1095-8649.2008.01988.x 2024-05-03T11:37:18Z The effect of anchor‐ice dams on the physical habitat and behavioural responses of Atlantic salmon Salmo salar parr in a small, steep stream was investigated. Anchor‐ice dams formed periodically, leading to a dynamic winter environment as the study reach alternated between riffle and walk dominated habitat. Parr demonstrated large individual variation in habitat use, utilizing most of the wetted stream width, and were generally unaffected by diel changes in the mesohabitat composition. Furthermore, parr displayed high site fidelity in areas with low embedded substrata, and demonstrated few large movements between the three mesohabitat classes present: shallow riffle, walk and pool. Findings from this study question the importance of hydraulic variables such as water depth, flow velocity and dynamic ice formation as single habitat features for juvenile stream salmonids during winter and emphasize the importance of access to substratum cover. Article in Journal/Newspaper Atlantic salmon Salmo salar Wiley Online Library Journal of Fish Biology 73 4 926 944 |
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Open Polar |
collection |
Wiley Online Library |
op_collection_id |
crwiley |
language |
English |
description |
The effect of anchor‐ice dams on the physical habitat and behavioural responses of Atlantic salmon Salmo salar parr in a small, steep stream was investigated. Anchor‐ice dams formed periodically, leading to a dynamic winter environment as the study reach alternated between riffle and walk dominated habitat. Parr demonstrated large individual variation in habitat use, utilizing most of the wetted stream width, and were generally unaffected by diel changes in the mesohabitat composition. Furthermore, parr displayed high site fidelity in areas with low embedded substrata, and demonstrated few large movements between the three mesohabitat classes present: shallow riffle, walk and pool. Findings from this study question the importance of hydraulic variables such as water depth, flow velocity and dynamic ice formation as single habitat features for juvenile stream salmonids during winter and emphasize the importance of access to substratum cover. |
format |
Article in Journal/Newspaper |
author |
Stickler, M. Enders, E. C. Pennell, C. J. Cote, D. Alfredsen, K. T. Scruton, D. A. |
spellingShingle |
Stickler, M. Enders, E. C. Pennell, C. J. Cote, D. Alfredsen, K. T. Scruton, D. A. Habitat use of Atlantic salmon Salmo salar parr in a dynamic winter environment: the influence of anchor‐ice dams |
author_facet |
Stickler, M. Enders, E. C. Pennell, C. J. Cote, D. Alfredsen, K. T. Scruton, D. A. |
author_sort |
Stickler, M. |
title |
Habitat use of Atlantic salmon Salmo salar parr in a dynamic winter environment: the influence of anchor‐ice dams |
title_short |
Habitat use of Atlantic salmon Salmo salar parr in a dynamic winter environment: the influence of anchor‐ice dams |
title_full |
Habitat use of Atlantic salmon Salmo salar parr in a dynamic winter environment: the influence of anchor‐ice dams |
title_fullStr |
Habitat use of Atlantic salmon Salmo salar parr in a dynamic winter environment: the influence of anchor‐ice dams |
title_full_unstemmed |
Habitat use of Atlantic salmon Salmo salar parr in a dynamic winter environment: the influence of anchor‐ice dams |
title_sort |
habitat use of atlantic salmon salmo salar parr in a dynamic winter environment: the influence of anchor‐ice dams |
publisher |
Wiley |
publishDate |
2008 |
url |
http://dx.doi.org/10.1111/j.1095-8649.2008.01988.x https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1111%2Fj.1095-8649.2008.01988.x https://onlinelibrary.wiley.com/doi/pdf/10.1111/j.1095-8649.2008.01988.x |
genre |
Atlantic salmon Salmo salar |
genre_facet |
Atlantic salmon Salmo salar |
op_source |
Journal of Fish Biology volume 73, issue 4, page 926-944 ISSN 0022-1112 1095-8649 |
op_rights |
http://onlinelibrary.wiley.com/termsAndConditions#vor |
op_doi |
https://doi.org/10.1111/j.1095-8649.2008.01988.x |
container_title |
Journal of Fish Biology |
container_volume |
73 |
container_issue |
4 |
container_start_page |
926 |
op_container_end_page |
944 |
_version_ |
1800748019660881920 |