Prioritising culvert removals to restore habitat for at‐risk salmonids in the boreal forest
Abstract In the boreal forests of Canada, industrial development has resulted in the installation of thousands of culverted road crossings that act as barriers to fish movement and degrade habitat for native freshwater fishes. In view of culvert removals being expensive, prioritisation methods have...
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crwiley:10.1111/fme.12188 2024-06-23T07:48:59+00:00 Prioritising culvert removals to restore habitat for at‐risk salmonids in the boreal forest Maitland, B. M. Poesch, M. Anderson, A. E. Alberta Environment and Sustainable Resource Development (ESRD) Foothills Research Institute (fRI) 2016 http://dx.doi.org/10.1111/fme.12188 https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1111%2Ffme.12188 https://onlinelibrary.wiley.com/doi/pdf/10.1111/fme.12188 en eng Wiley http://onlinelibrary.wiley.com/termsAndConditions#vor Fisheries Management and Ecology volume 23, issue 6, page 489-502 ISSN 0969-997X 1365-2400 journal-article 2016 crwiley https://doi.org/10.1111/fme.12188 2024-06-04T06:41:21Z Abstract In the boreal forests of Canada, industrial development has resulted in the installation of thousands of culverted road crossings that act as barriers to fish movement and degrade habitat for native freshwater fishes. In view of culvert removals being expensive, prioritisation methods have been developed, but the efficacy of such methods has not been thoroughly investigated nor have they been tested on low‐gradient boreal forest watersheds containing at‐risk salmonids. The management utility of a novel GIS‐based optimisation‐planning tool to prioritise fish barrier remediation was tested in two highly developed watersheds. Region‐specific parameter estimates of monetary variables (e.g. budget, individual barrier remediation costs), barrier passability and biologically relevant information for species on conservation concern (e.g. habitat suitability, dispersal ability) were incorporated. Results indicate that for Arctic grayling, Thymallus arcticus Pallas, and bull trout, Salvelinus confluentus Suckley, a large proportion (~61–83%) of currently isolated habitat can be reconnected with low investment (~$200–$500 K). This study demonstrates the management utility of barrier optimisation methods for use in boreal watersheds, particularly as it significantly reduces the technical expertise needed to perform relatively complex optimisation analyses. Article in Journal/Newspaper Arctic grayling Arctic Thymallus arcticus Wiley Online Library Arctic Canada Fisheries Management and Ecology 23 6 489 502 |
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Wiley Online Library |
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crwiley |
language |
English |
description |
Abstract In the boreal forests of Canada, industrial development has resulted in the installation of thousands of culverted road crossings that act as barriers to fish movement and degrade habitat for native freshwater fishes. In view of culvert removals being expensive, prioritisation methods have been developed, but the efficacy of such methods has not been thoroughly investigated nor have they been tested on low‐gradient boreal forest watersheds containing at‐risk salmonids. The management utility of a novel GIS‐based optimisation‐planning tool to prioritise fish barrier remediation was tested in two highly developed watersheds. Region‐specific parameter estimates of monetary variables (e.g. budget, individual barrier remediation costs), barrier passability and biologically relevant information for species on conservation concern (e.g. habitat suitability, dispersal ability) were incorporated. Results indicate that for Arctic grayling, Thymallus arcticus Pallas, and bull trout, Salvelinus confluentus Suckley, a large proportion (~61–83%) of currently isolated habitat can be reconnected with low investment (~$200–$500 K). This study demonstrates the management utility of barrier optimisation methods for use in boreal watersheds, particularly as it significantly reduces the technical expertise needed to perform relatively complex optimisation analyses. |
author2 |
Alberta Environment and Sustainable Resource Development (ESRD) Foothills Research Institute (fRI) |
format |
Article in Journal/Newspaper |
author |
Maitland, B. M. Poesch, M. Anderson, A. E. |
spellingShingle |
Maitland, B. M. Poesch, M. Anderson, A. E. Prioritising culvert removals to restore habitat for at‐risk salmonids in the boreal forest |
author_facet |
Maitland, B. M. Poesch, M. Anderson, A. E. |
author_sort |
Maitland, B. M. |
title |
Prioritising culvert removals to restore habitat for at‐risk salmonids in the boreal forest |
title_short |
Prioritising culvert removals to restore habitat for at‐risk salmonids in the boreal forest |
title_full |
Prioritising culvert removals to restore habitat for at‐risk salmonids in the boreal forest |
title_fullStr |
Prioritising culvert removals to restore habitat for at‐risk salmonids in the boreal forest |
title_full_unstemmed |
Prioritising culvert removals to restore habitat for at‐risk salmonids in the boreal forest |
title_sort |
prioritising culvert removals to restore habitat for at‐risk salmonids in the boreal forest |
publisher |
Wiley |
publishDate |
2016 |
url |
http://dx.doi.org/10.1111/fme.12188 https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1111%2Ffme.12188 https://onlinelibrary.wiley.com/doi/pdf/10.1111/fme.12188 |
geographic |
Arctic Canada |
geographic_facet |
Arctic Canada |
genre |
Arctic grayling Arctic Thymallus arcticus |
genre_facet |
Arctic grayling Arctic Thymallus arcticus |
op_source |
Fisheries Management and Ecology volume 23, issue 6, page 489-502 ISSN 0969-997X 1365-2400 |
op_rights |
http://onlinelibrary.wiley.com/termsAndConditions#vor |
op_doi |
https://doi.org/10.1111/fme.12188 |
container_title |
Fisheries Management and Ecology |
container_volume |
23 |
container_issue |
6 |
container_start_page |
489 |
op_container_end_page |
502 |
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1802639281009721344 |