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Artificial rockpools: Seaweed colonisation and productivity vary between sites but are consistent across environmental contexts

Veronica Farrugia Drakard Orcid Logo, Ally Evans, Tasman P. Crowe, Pippa J. Moore, Jennifer Coughlan, Paul R. Brooks

Marine Environmental Research, Volume: 188, Start page: 106022

Swansea University Author: Ally Evans

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DOI (Published version): 10.1016/j.marenvres.2023.106022

Abstract

Artificial structures are widespread features of coastal environments, but are poor surrogates of natural rocky shores because they generally support depauperate assemblages with reduced population sizes. This has generated significant interest in eco-engineering solutions, including retrofitting se...

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Published in: Marine Environmental Research
ISSN: 0141-1136
Published: Elsevier BV 2023
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URI: https://cronfa.swan.ac.uk/Record/cronfa63461
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spelling v2 63461 2023-05-16 Artificial rockpools: Seaweed colonisation and productivity vary between sites but are consistent across environmental contexts 1d26e6210fdb060b913c5b93b0af663b Ally Evans Ally Evans true false 2023-05-16 SBI Artificial structures are widespread features of coastal environments, but are poor surrogates of natural rocky shores because they generally support depauperate assemblages with reduced population sizes. This has generated significant interest in eco-engineering solutions, including retrofitting seawalls with artificial rockpools to increase water retention and provide microhabitats. Although these have proven effective at individual sites, widespread uptake is contingent on evidence of consistent benefits across a range of contexts. In this study, Vertipools™ were retrofitted on eight seawalls in different environmental contexts (urban v rural and estuarine v marine) along the Irish Sea coastline and were monitored regularly for two years. Seaweed colonisation proceeded in a manner similar to patterns described for natural and artificial intertidal systems in general, consisting of early dominance by ephemeral species followed by the appearance and eventual establishment of perennial habitat-formers. After 24 months, species richness did not differ between contexts, but differed between sites. The units supported populations of large habitat-forming seaweeds at all sites. Productivity and community respiration of the colonising communities differed between sites by up to 0.5 mg O2 L−1 min−1, but not across environmental contexts. This study demonstrates that bolt-on rockpools attract similar levels of biotic colonisation and functioning in a variety of temperate environmental contexts, and could be considered for widespread implementation as an eco-engineering solution. Journal Article Marine Environmental Research 188 106022 Elsevier BV 0141-1136 1 6 2023 2023-06-01 10.1016/j.marenvres.2023.106022 http://dx.doi.org/10.1016/j.marenvres.2023.106022 COLLEGE NANME Biosciences COLLEGE CODE SBI Swansea University This research was funded in part by the Irish Research Council under the Government of Ireland Postgraduate Programme, co-funded by the Environmental Protection Agency. This work was undertaken as part of the Ecostructure project, which was part-funded by the European Regional Development Fund (ERDF) Ireland Wales Cooperation Programme 2014–2020. 2023-06-07T15:20:56.1300493 2023-05-16T10:11:35.4348683 Faculty of Science and Engineering School of Biosciences, Geography and Physics - Biosciences Veronica Farrugia Drakard 0000-0002-0635-3021 1 Ally Evans 2 Tasman P. Crowe 3 Pippa J. Moore 4 Jennifer Coughlan 5 Paul R. Brooks 6
title Artificial rockpools: Seaweed colonisation and productivity vary between sites but are consistent across environmental contexts
spellingShingle Artificial rockpools: Seaweed colonisation and productivity vary between sites but are consistent across environmental contexts
Ally Evans
title_short Artificial rockpools: Seaweed colonisation and productivity vary between sites but are consistent across environmental contexts
title_full Artificial rockpools: Seaweed colonisation and productivity vary between sites but are consistent across environmental contexts
title_fullStr Artificial rockpools: Seaweed colonisation and productivity vary between sites but are consistent across environmental contexts
title_full_unstemmed Artificial rockpools: Seaweed colonisation and productivity vary between sites but are consistent across environmental contexts
title_sort Artificial rockpools: Seaweed colonisation and productivity vary between sites but are consistent across environmental contexts
author_id_str_mv 1d26e6210fdb060b913c5b93b0af663b
author_id_fullname_str_mv 1d26e6210fdb060b913c5b93b0af663b_***_Ally Evans
author Ally Evans
author2 Veronica Farrugia Drakard
Ally Evans
Tasman P. Crowe
Pippa J. Moore
Jennifer Coughlan
Paul R. Brooks
format Journal article
container_title Marine Environmental Research
container_volume 188
container_start_page 106022
publishDate 2023
institution Swansea University
issn 0141-1136
doi_str_mv 10.1016/j.marenvres.2023.106022
publisher Elsevier BV
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 http://dx.doi.org/10.1016/j.marenvres.2023.106022
document_store_str 0
active_str 0
description Artificial structures are widespread features of coastal environments, but are poor surrogates of natural rocky shores because they generally support depauperate assemblages with reduced population sizes. This has generated significant interest in eco-engineering solutions, including retrofitting seawalls with artificial rockpools to increase water retention and provide microhabitats. Although these have proven effective at individual sites, widespread uptake is contingent on evidence of consistent benefits across a range of contexts. In this study, Vertipools™ were retrofitted on eight seawalls in different environmental contexts (urban v rural and estuarine v marine) along the Irish Sea coastline and were monitored regularly for two years. Seaweed colonisation proceeded in a manner similar to patterns described for natural and artificial intertidal systems in general, consisting of early dominance by ephemeral species followed by the appearance and eventual establishment of perennial habitat-formers. After 24 months, species richness did not differ between contexts, but differed between sites. The units supported populations of large habitat-forming seaweeds at all sites. Productivity and community respiration of the colonising communities differed between sites by up to 0.5 mg O2 L−1 min−1, but not across environmental contexts. This study demonstrates that bolt-on rockpools attract similar levels of biotic colonisation and functioning in a variety of temperate environmental contexts, and could be considered for widespread implementation as an eco-engineering solution.
published_date 2023-06-01T15:20:54Z
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score 11.016235

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