Obstacles to migration constrain nest distribution of Atlantic salmon
Abstract – Programmes of habitat restoration usually assume that the targeted populations will readily colonise the newly provided habitat. However, this assumption may not always hold, and the success of restoration may be impaired if the individuals are driven to aggregate in areas of the habitat...
Published in: | Ecology of Freshwater Fish |
---|---|
Main Authors: | , |
Format: | Article in Journal/Newspaper |
Language: | English |
Published: |
Wiley
2010
|
Subjects: | |
Online Access: | http://dx.doi.org/10.1111/j.1600-0633.2010.00452.x https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1111%2Fj.1600-0633.2010.00452.x https://onlinelibrary.wiley.com/doi/pdf/10.1111/j.1600-0633.2010.00452.x |
id |
crwiley:10.1111/j.1600-0633.2010.00452.x |
---|---|
record_format |
openpolar |
spelling |
crwiley:10.1111/j.1600-0633.2010.00452.x 2024-04-28T08:13:19+00:00 Obstacles to migration constrain nest distribution of Atlantic salmon Tentelier, Cédric Piou, Cyril 2010 http://dx.doi.org/10.1111/j.1600-0633.2010.00452.x https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1111%2Fj.1600-0633.2010.00452.x https://onlinelibrary.wiley.com/doi/pdf/10.1111/j.1600-0633.2010.00452.x en eng Wiley http://onlinelibrary.wiley.com/termsAndConditions#vor Ecology of Freshwater Fish volume 20, issue 3, page 400-408 ISSN 0906-6691 1600-0633 Ecology Aquatic Science Ecology, Evolution, Behavior and Systematics journal-article 2010 crwiley https://doi.org/10.1111/j.1600-0633.2010.00452.x 2024-04-02T08:46:12Z Abstract – Programmes of habitat restoration usually assume that the targeted populations will readily colonise the newly provided habitat. However, this assumption may not always hold, and the success of restoration may be impaired if the individuals are driven to aggregate in areas of the habitat already available instead of spreading to new ones. We investigated how weirs situated along a river could drive Atlantic salmon ( Salmo salar ) to aggregate their redds and tested whether aggregation intensified at low fish density. For this, we applied spatial point pattern analysis to a data set consisting on the distribution of salmon redds in a small river over 15 years (1992–2006). Within the habitat suitable for spawning, redds were significantly aggregated, especially in the first 15 morphodynamic units below weirs. Our results suggest that the constraint imposed by obstacles on redd distribution should be considered when conducting habitat restoration. Article in Journal/Newspaper Atlantic salmon Salmo salar Wiley Online Library Ecology of Freshwater Fish 20 3 400 408 |
institution |
Open Polar |
collection |
Wiley Online Library |
op_collection_id |
crwiley |
language |
English |
topic |
Ecology Aquatic Science Ecology, Evolution, Behavior and Systematics |
spellingShingle |
Ecology Aquatic Science Ecology, Evolution, Behavior and Systematics Tentelier, Cédric Piou, Cyril Obstacles to migration constrain nest distribution of Atlantic salmon |
topic_facet |
Ecology Aquatic Science Ecology, Evolution, Behavior and Systematics |
description |
Abstract – Programmes of habitat restoration usually assume that the targeted populations will readily colonise the newly provided habitat. However, this assumption may not always hold, and the success of restoration may be impaired if the individuals are driven to aggregate in areas of the habitat already available instead of spreading to new ones. We investigated how weirs situated along a river could drive Atlantic salmon ( Salmo salar ) to aggregate their redds and tested whether aggregation intensified at low fish density. For this, we applied spatial point pattern analysis to a data set consisting on the distribution of salmon redds in a small river over 15 years (1992–2006). Within the habitat suitable for spawning, redds were significantly aggregated, especially in the first 15 morphodynamic units below weirs. Our results suggest that the constraint imposed by obstacles on redd distribution should be considered when conducting habitat restoration. |
format |
Article in Journal/Newspaper |
author |
Tentelier, Cédric Piou, Cyril |
author_facet |
Tentelier, Cédric Piou, Cyril |
author_sort |
Tentelier, Cédric |
title |
Obstacles to migration constrain nest distribution of Atlantic salmon |
title_short |
Obstacles to migration constrain nest distribution of Atlantic salmon |
title_full |
Obstacles to migration constrain nest distribution of Atlantic salmon |
title_fullStr |
Obstacles to migration constrain nest distribution of Atlantic salmon |
title_full_unstemmed |
Obstacles to migration constrain nest distribution of Atlantic salmon |
title_sort |
obstacles to migration constrain nest distribution of atlantic salmon |
publisher |
Wiley |
publishDate |
2010 |
url |
http://dx.doi.org/10.1111/j.1600-0633.2010.00452.x https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1111%2Fj.1600-0633.2010.00452.x https://onlinelibrary.wiley.com/doi/pdf/10.1111/j.1600-0633.2010.00452.x |
genre |
Atlantic salmon Salmo salar |
genre_facet |
Atlantic salmon Salmo salar |
op_source |
Ecology of Freshwater Fish volume 20, issue 3, page 400-408 ISSN 0906-6691 1600-0633 |
op_rights |
http://onlinelibrary.wiley.com/termsAndConditions#vor |
op_doi |
https://doi.org/10.1111/j.1600-0633.2010.00452.x |
container_title |
Ecology of Freshwater Fish |
container_volume |
20 |
container_issue |
3 |
container_start_page |
400 |
op_container_end_page |
408 |
_version_ |
1797579879706787840 |