A European eel (Anguilla anguilla) case study using structured elicitation to estimate instream infrastructure passability for freshwater fishes
Abstract Conservation efforts are hampered by limited understanding about how different types of instream infrastructure impact migration patterns and fish survival. We used a rapid, fully online IDEA protocol to elicit expert judgments for the passability of seven different in‐stream infrastructure...
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ftdoajarticles:oai:doaj.org/article:fc3e11727e5a4e6caf245fea5a676cf9 2023-05-15T13:27:06+02:00 A European eel (Anguilla anguilla) case study using structured elicitation to estimate instream infrastructure passability for freshwater fishes Merryn J. Thomas Sayali K. Pawar Stephanie R. Januchowski‐Hartley 2021-09-01T00:00:00Z https://doi.org/10.1111/csp2.485 https://doaj.org/article/fc3e11727e5a4e6caf245fea5a676cf9 EN eng Wiley https://doi.org/10.1111/csp2.485 https://doaj.org/toc/2578-4854 2578-4854 doi:10.1111/csp2.485 https://doaj.org/article/fc3e11727e5a4e6caf245fea5a676cf9 Conservation Science and Practice, Vol 3, Iss 9, Pp n/a-n/a (2021) Ecology QH540-549.5 General. Including nature conservation geographical distribution QH1-199.5 article 2021 ftdoajarticles https://doi.org/10.1111/csp2.485 2022-12-31T12:33:21Z Abstract Conservation efforts are hampered by limited understanding about how different types of instream infrastructure impact migration patterns and fish survival. We used a rapid, fully online IDEA protocol to elicit expert judgments for the passability of seven different in‐stream infrastructures to elver European eels (Anguilla anguilla) in Great Britain. Nine experts provided judgments via our online survey, followed by a second elicitation via email for reflection and adjustment of initial estimates. We found that on average, bridges were judged the most passable (95% passability), followed by fords, nonperched culverts, weirs, sluices, dams, and perched culverts (7%). Results showed a high degree of agreement about how passable bridges and perched culverts are for elver eels, but less certainty about other infrastructure. Thirty‐four distinct factors were identified that experts believed influence infrastructure passability for elver eels, including: the structure itself, hydraulics, elver characteristics, obstructions (e.g., debris accumulation), and vegetation (e.g., to aid climbing). We discuss how our rapid, online‐only variation on the IDEA protocol compares with the more traditional protocol, and how the expert estimates generated in this study can be used in future scenario building and connectivity modeling, with a view to improving conservation to support species persistence. Article in Journal/Newspaper Anguilla anguilla European eel Directory of Open Access Journals: DOAJ Articles Conservation Science and Practice 3 9 |
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Open Polar |
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Directory of Open Access Journals: DOAJ Articles |
op_collection_id |
ftdoajarticles |
language |
English |
topic |
Ecology QH540-549.5 General. Including nature conservation geographical distribution QH1-199.5 |
spellingShingle |
Ecology QH540-549.5 General. Including nature conservation geographical distribution QH1-199.5 Merryn J. Thomas Sayali K. Pawar Stephanie R. Januchowski‐Hartley A European eel (Anguilla anguilla) case study using structured elicitation to estimate instream infrastructure passability for freshwater fishes |
topic_facet |
Ecology QH540-549.5 General. Including nature conservation geographical distribution QH1-199.5 |
description |
Abstract Conservation efforts are hampered by limited understanding about how different types of instream infrastructure impact migration patterns and fish survival. We used a rapid, fully online IDEA protocol to elicit expert judgments for the passability of seven different in‐stream infrastructures to elver European eels (Anguilla anguilla) in Great Britain. Nine experts provided judgments via our online survey, followed by a second elicitation via email for reflection and adjustment of initial estimates. We found that on average, bridges were judged the most passable (95% passability), followed by fords, nonperched culverts, weirs, sluices, dams, and perched culverts (7%). Results showed a high degree of agreement about how passable bridges and perched culverts are for elver eels, but less certainty about other infrastructure. Thirty‐four distinct factors were identified that experts believed influence infrastructure passability for elver eels, including: the structure itself, hydraulics, elver characteristics, obstructions (e.g., debris accumulation), and vegetation (e.g., to aid climbing). We discuss how our rapid, online‐only variation on the IDEA protocol compares with the more traditional protocol, and how the expert estimates generated in this study can be used in future scenario building and connectivity modeling, with a view to improving conservation to support species persistence. |
format |
Article in Journal/Newspaper |
author |
Merryn J. Thomas Sayali K. Pawar Stephanie R. Januchowski‐Hartley |
author_facet |
Merryn J. Thomas Sayali K. Pawar Stephanie R. Januchowski‐Hartley |
author_sort |
Merryn J. Thomas |
title |
A European eel (Anguilla anguilla) case study using structured elicitation to estimate instream infrastructure passability for freshwater fishes |
title_short |
A European eel (Anguilla anguilla) case study using structured elicitation to estimate instream infrastructure passability for freshwater fishes |
title_full |
A European eel (Anguilla anguilla) case study using structured elicitation to estimate instream infrastructure passability for freshwater fishes |
title_fullStr |
A European eel (Anguilla anguilla) case study using structured elicitation to estimate instream infrastructure passability for freshwater fishes |
title_full_unstemmed |
A European eel (Anguilla anguilla) case study using structured elicitation to estimate instream infrastructure passability for freshwater fishes |
title_sort |
european eel (anguilla anguilla) case study using structured elicitation to estimate instream infrastructure passability for freshwater fishes |
publisher |
Wiley |
publishDate |
2021 |
url |
https://doi.org/10.1111/csp2.485 https://doaj.org/article/fc3e11727e5a4e6caf245fea5a676cf9 |
genre |
Anguilla anguilla European eel |
genre_facet |
Anguilla anguilla European eel |
op_source |
Conservation Science and Practice, Vol 3, Iss 9, Pp n/a-n/a (2021) |
op_relation |
https://doi.org/10.1111/csp2.485 https://doaj.org/toc/2578-4854 2578-4854 doi:10.1111/csp2.485 https://doaj.org/article/fc3e11727e5a4e6caf245fea5a676cf9 |
op_doi |
https://doi.org/10.1111/csp2.485 |
container_title |
Conservation Science and Practice |
container_volume |
3 |
container_issue |
9 |
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1766396455107428352 |