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Restoring aquatic ecosystem connectivity requires expanding inventories of both dams and road crossings

Stephanie Januchowski-Hartley, Peter B McIntyre, Matthew Diebel, Patrick J Doran, Dana M Infante, Christine Joseph, J David Allan

Frontiers in Ecology and the Environment, Volume: 11, Issue: 4, Pages: 211 - 217

Swansea University Author: Stephanie Januchowski-Hartley

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DOI (Published version): 10.1890/120168

Abstract

A key challenge in aquatic restoration efforts is documenting locations where ecological connectivity is disrupted in water bodies that are dammed or crossed by roads (road crossings). To prioritize actions aimed at restoring connectivity, we argue that there is a need for systematic inventories of...

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Published in: Frontiers in Ecology and the Environment
ISSN: 1540-9295
Published: 2013
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URI: https://cronfa.swan.ac.uk/Record/cronfa43888
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first_indexed 2018-09-14T18:59:09Z
last_indexed 2019-06-05T10:54:01Z
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spelling 2019-05-26T12:49:14.3144772 v2 43888 2018-09-14 Restoring aquatic ecosystem connectivity requires expanding inventories of both dams and road crossings b634c6a9429ed84ced10e9033d27659d Stephanie Januchowski-Hartley Stephanie Januchowski-Hartley true false 2018-09-14 FGSEN A key challenge in aquatic restoration efforts is documenting locations where ecological connectivity is disrupted in water bodies that are dammed or crossed by roads (road crossings). To prioritize actions aimed at restoring connectivity, we argue that there is a need for systematic inventories of these potential barriers at regional and national scales. Here, we address this limitation for the North American Great Lakes basin by compiling the best available spatial data on the locations of dams and road crossings. Our spatial database documents 38 times as many road crossings as dams in the Great Lakes basin, and case studies indicate that, on average, only 36% of road crossings in the area are fully passable to fish. It is therefore essential that decision makers account for both road crossings and dams when attempting to restore aquatic ecosystem connectivity. Given that road crossing structures are commonly upgraded as part of road maintenance, many opportunities exist to restore connections within aquatic ecosystems at minimal added cost by ensuring upgrade designs permit water flow and the passage of fish and other organisms. Our findings highlight the necessity for improved dam and road crossing inventories that traverse political boundaries to facilitate the restoration of aquatic ecosystem connectivity from local to global scales. Journal Article Frontiers in Ecology and the Environment 11 4 211 217 1540-9295 dams, weirs, culverts, rivers, connectivity, change, restoration, aquatic ecosystem 31 12 2013 2013-12-31 10.1890/120168 https://esajournals.onlinelibrary.wiley.com/doi/abs/10.1890/120168 COLLEGE NANME Science and Engineering - Faculty COLLEGE CODE FGSEN Swansea University 2019-05-26T12:49:14.3144772 2018-09-14T15:36:14.8054104 Faculty of Science and Engineering School of Biosciences, Geography and Physics - Biosciences Stephanie Januchowski-Hartley 1 Peter B McIntyre 2 Matthew Diebel 3 Patrick J Doran 4 Dana M Infante 5 Christine Joseph 6 J David Allan 7
title Restoring aquatic ecosystem connectivity requires expanding inventories of both dams and road crossings
spellingShingle Restoring aquatic ecosystem connectivity requires expanding inventories of both dams and road crossings
Stephanie Januchowski-Hartley
title_short Restoring aquatic ecosystem connectivity requires expanding inventories of both dams and road crossings
title_full Restoring aquatic ecosystem connectivity requires expanding inventories of both dams and road crossings
title_fullStr Restoring aquatic ecosystem connectivity requires expanding inventories of both dams and road crossings
title_full_unstemmed Restoring aquatic ecosystem connectivity requires expanding inventories of both dams and road crossings
title_sort Restoring aquatic ecosystem connectivity requires expanding inventories of both dams and road crossings
author_id_str_mv b634c6a9429ed84ced10e9033d27659d
author_id_fullname_str_mv b634c6a9429ed84ced10e9033d27659d_***_Stephanie Januchowski-Hartley
author Stephanie Januchowski-Hartley
author2 Stephanie Januchowski-Hartley
Peter B McIntyre
Matthew Diebel
Patrick J Doran
Dana M Infante
Christine Joseph
J David Allan
format Journal article
container_title Frontiers in Ecology and the Environment
container_volume 11
container_issue 4
container_start_page 211
publishDate 2013
institution Swansea University
issn 1540-9295
doi_str_mv 10.1890/120168
college_str Faculty of Science and Engineering
hierarchytype
hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Biosciences, Geography and Physics - Biosciences{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Biosciences, Geography and Physics - Biosciences
url https://esajournals.onlinelibrary.wiley.com/doi/abs/10.1890/120168
document_store_str 0
active_str 0
description A key challenge in aquatic restoration efforts is documenting locations where ecological connectivity is disrupted in water bodies that are dammed or crossed by roads (road crossings). To prioritize actions aimed at restoring connectivity, we argue that there is a need for systematic inventories of these potential barriers at regional and national scales. Here, we address this limitation for the North American Great Lakes basin by compiling the best available spatial data on the locations of dams and road crossings. Our spatial database documents 38 times as many road crossings as dams in the Great Lakes basin, and case studies indicate that, on average, only 36% of road crossings in the area are fully passable to fish. It is therefore essential that decision makers account for both road crossings and dams when attempting to restore aquatic ecosystem connectivity. Given that road crossing structures are commonly upgraded as part of road maintenance, many opportunities exist to restore connections within aquatic ecosystems at minimal added cost by ensuring upgrade designs permit water flow and the passage of fish and other organisms. Our findings highlight the necessity for improved dam and road crossing inventories that traverse political boundaries to facilitate the restoration of aquatic ecosystem connectivity from local to global scales.
published_date 2013-12-31T03:55:15Z
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score 11.037144

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