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Using eDNA Metabarcoding to Monitor Changes in Fish Community Composition After Barrier Removal

Teja Muha Orcid Logo, Deiene Rodriguez Barreto, Richard O'Rorke, Carlos Garcia De Leaniz Orcid Logo, Sofia Consuegra del Olmo Orcid Logo

Frontiers in Ecology and Evolution, Volume: 9

Swansea University Authors: Teja Muha Orcid Logo, Deiene Rodriguez Barreto, Carlos Garcia De Leaniz Orcid Logo, Sofia Consuegra del Olmo Orcid Logo

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DOI (Published version): 10.3389/fevo.2021.629217

Abstract

Artificial instream barriers are a major cause of habitat fragmentation that reduce population connectivity and gene flow by limiting fish movements. To mitigate their impacts, obsolete barriers are increasingly been removed worldwide, but few barrier removal projects are monitored. We employed a po...

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Published in: Frontiers in Ecology and Evolution
ISSN: 2296-701X
Published: Frontiers Media SA 2021
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URI: https://cronfa.swan.ac.uk/Record/cronfa61495
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spelling 2022-10-10T10:50:49.2823305 v2 61495 2022-10-10 Using eDNA Metabarcoding to Monitor Changes in Fish Community Composition After Barrier Removal ca8a1e951fd35e7d6efa7e2b7db20d1c 0000-0002-6364-2751 Teja Muha Teja Muha true false a19d5dff034b6dc4c330b3aa7674eb83 Deiene Rodriguez Barreto Deiene Rodriguez Barreto true false 1c70acd0fd64edb0856b7cf34393ab02 0000-0003-1650-2729 Carlos Garcia De Leaniz Carlos Garcia De Leaniz true false 241f2810ab8f56be53ca8af23e384c6e 0000-0003-4403-2509 Sofia Consuegra del Olmo Sofia Consuegra del Olmo true false 2022-10-10 SBI Artificial instream barriers are a major cause of habitat fragmentation that reduce population connectivity and gene flow by limiting fish movements. To mitigate their impacts, obsolete barriers are increasingly been removed worldwide, but few barrier removal projects are monitored. We employed a powerful Before-After-Downstream-Upstream (BADU) approach using environmental DNA (eDNA) metabarcoding to examine the effects on fish community composition of removing a weir in the river Lugg (England) that had been suggested to have a detrimental effect on salmonid migration. We found no change in fish community diversity or relative abundance after the removal above or below the weir, but detected an important effect of sampling season, likely related to the species' life cycles. eDNA detected nine fish species that were also identified by electrofishing sampling and one additional species (Anguilla anguilla) that was missed by traditional surveys. Our results suggest that monitoring of barrier removal projects should be carried out to ensure that any ecological benefits are properly documented and that eDNA metabarcoding is a sensitive technique to monitor the effects of barrier removal. Journal Article Frontiers in Ecology and Evolution 9 Frontiers Media SA 2296-701X fish dispersal, spatio-temporal monitoring, freshwater habitat fragmentation, connectivity, eDNA 15 2 2021 2021-02-15 10.3389/fevo.2021.629217 COLLEGE NANME Biosciences COLLEGE CODE SBI Swansea University This work has been funded by a H2020 Marie Skłodowska-Curie Grant/Award (Ref 642197, AQUAINVAD_ED) to SC and the Horizon 2020 Research and Innovation program under Grant Agreement No 689682, Adaptive Management of Barriers in European Rivers (AMBER) project to CG. 2022-10-10T10:50:49.2823305 2022-10-10T10:45:19.5856510 Faculty of Science and Engineering School of Biosciences, Geography and Physics - Biosciences Teja Muha 0000-0002-6364-2751 1 Deiene Rodriguez Barreto 2 Richard O'Rorke 3 Carlos Garcia De Leaniz 0000-0003-1650-2729 4 Sofia Consuegra del Olmo 0000-0003-4403-2509 5 61495__25370__b63fd6ff5bdf4a46ac9398ae7a2df2d3.pdf 61495_VoR.pdf 2022-10-10T10:49:26.3139597 Output 907873 application/pdf Version of Record true © 2021 Muha, Rodriguez-Barreto, O’Rorke, Garcia de Leaniz and Consuegra. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). true eng http://creativecommons.org/licenses/by/4.0/
title Using eDNA Metabarcoding to Monitor Changes in Fish Community Composition After Barrier Removal
spellingShingle Using eDNA Metabarcoding to Monitor Changes in Fish Community Composition After Barrier Removal
Teja Muha
Deiene Rodriguez Barreto
Carlos Garcia De Leaniz
Sofia Consuegra del Olmo
title_short Using eDNA Metabarcoding to Monitor Changes in Fish Community Composition After Barrier Removal
title_full Using eDNA Metabarcoding to Monitor Changes in Fish Community Composition After Barrier Removal
title_fullStr Using eDNA Metabarcoding to Monitor Changes in Fish Community Composition After Barrier Removal
title_full_unstemmed Using eDNA Metabarcoding to Monitor Changes in Fish Community Composition After Barrier Removal
title_sort Using eDNA Metabarcoding to Monitor Changes in Fish Community Composition After Barrier Removal
author_id_str_mv ca8a1e951fd35e7d6efa7e2b7db20d1c
a19d5dff034b6dc4c330b3aa7674eb83
1c70acd0fd64edb0856b7cf34393ab02
241f2810ab8f56be53ca8af23e384c6e
author_id_fullname_str_mv ca8a1e951fd35e7d6efa7e2b7db20d1c_***_Teja Muha
a19d5dff034b6dc4c330b3aa7674eb83_***_Deiene Rodriguez Barreto
1c70acd0fd64edb0856b7cf34393ab02_***_Carlos Garcia De Leaniz
241f2810ab8f56be53ca8af23e384c6e_***_Sofia Consuegra del Olmo
author Teja Muha
Deiene Rodriguez Barreto
Carlos Garcia De Leaniz
Sofia Consuegra del Olmo
author2 Teja Muha
Deiene Rodriguez Barreto
Richard O'Rorke
Carlos Garcia De Leaniz
Sofia Consuegra del Olmo
format Journal article
container_title Frontiers in Ecology and Evolution
container_volume 9
publishDate 2021
institution Swansea University
issn 2296-701X
doi_str_mv 10.3389/fevo.2021.629217
publisher Frontiers Media SA
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
document_store_str 1
active_str 0
description Artificial instream barriers are a major cause of habitat fragmentation that reduce population connectivity and gene flow by limiting fish movements. To mitigate their impacts, obsolete barriers are increasingly been removed worldwide, but few barrier removal projects are monitored. We employed a powerful Before-After-Downstream-Upstream (BADU) approach using environmental DNA (eDNA) metabarcoding to examine the effects on fish community composition of removing a weir in the river Lugg (England) that had been suggested to have a detrimental effect on salmonid migration. We found no change in fish community diversity or relative abundance after the removal above or below the weir, but detected an important effect of sampling season, likely related to the species' life cycles. eDNA detected nine fish species that were also identified by electrofishing sampling and one additional species (Anguilla anguilla) that was missed by traditional surveys. Our results suggest that monitoring of barrier removal projects should be carried out to ensure that any ecological benefits are properly documented and that eDNA metabarcoding is a sensitive technique to monitor the effects of barrier removal.
published_date 2021-02-15T04:20:21Z
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