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Epibenthic and mobile species colonisation of a geotextile artificial surf reef on the south coast of England

Epibenthic and mobile species colonisation of a geotextile artificial surf reef on the south coast of England
Epibenthic and mobile species colonisation of a geotextile artificial surf reef on the south coast of England
With increasing coastal infrastructure and use of novel materials there is a need to investigate the colonisation of assemblages associated with new structures, how these differ to natural and other artificial habitats and their potential impact on regional biodiversity. The colonisation of Europe’s first artificial surf reef (ASR) was investigated at Boscombe on the south coast of England (2009–2014) and compared with assemblages on existing natural and artificial habitats. The ASR consists of geotextile bags filled with sand located 220m offshore on a sandy sea bed at a depth of 0-5m. Successional changes in epibiota were recorded annually on differently orientated surfaces and depths using SCUBA diving and photography. Mobile faunal assemblages were sampled using Baited Remote Underwater Video (BRUV). Distinct stages in colonisation were observed, commencing with bryozoans and green algae which were replaced by red algae, hydroids and ascidians, however there were significant differences in assemblage structure with depth and orientation. The reef is being utilised by migratory, spawning and juvenile life-history stages of fish and invertebrates. The number of non-native species was larger than on natural reefs and other artificial habitats and some occupied a significant proportion of the structure. The accumulation of 180 benthic and mobile taxa, recorded to date, appears to have arisen from a locally rich and mixed pool of native and non-native species. Provided no negative invasive impacts are detected on nearby protected reefs the creation of novel yet diverse habitats may be considered a beneficial outcome.
1932-6203
Herbert, Roger J. H.
b30b2efb-fec1-4fb9-8b96-57626de041fa
Collins, Ken
9c436eb8-add5-460e-9900-5d1d128dc63d
Mallinson, Jenny
ff4ac5e2-573e-4ca2-9a21-9e45124dcb0c
Hall, Alice E.
5bd046ba-7f5b-49be-bf96-d704f7d9e22a
Pegg, Josephine
9db91bfd-c758-4753-9985-e82c6701ce65
Ross, Kathryn
89350526-9332-43ef-9257-1ae7459c1af3
Clarke, Leo
2176a2d2-01ac-4bd1-9f03-5238f8d92612
Clements, Tom
33f410a2-9b13-489c-9e2b-fc51f8de49ba
Herbert, Roger J. H.
b30b2efb-fec1-4fb9-8b96-57626de041fa
Collins, Ken
9c436eb8-add5-460e-9900-5d1d128dc63d
Mallinson, Jenny
ff4ac5e2-573e-4ca2-9a21-9e45124dcb0c
Hall, Alice E.
5bd046ba-7f5b-49be-bf96-d704f7d9e22a
Pegg, Josephine
9db91bfd-c758-4753-9985-e82c6701ce65
Ross, Kathryn
89350526-9332-43ef-9257-1ae7459c1af3
Clarke, Leo
2176a2d2-01ac-4bd1-9f03-5238f8d92612
Clements, Tom
33f410a2-9b13-489c-9e2b-fc51f8de49ba

Herbert, Roger J. H., Collins, Ken, Mallinson, Jenny, Hall, Alice E., Pegg, Josephine, Ross, Kathryn, Clarke, Leo and Clements, Tom (2017) Epibenthic and mobile species colonisation of a geotextile artificial surf reef on the south coast of England. PLoS ONE, 12 (9), [e0184100]. (doi:10.1371/journal.pone.0184100).

Record type: Article

Abstract

With increasing coastal infrastructure and use of novel materials there is a need to investigate the colonisation of assemblages associated with new structures, how these differ to natural and other artificial habitats and their potential impact on regional biodiversity. The colonisation of Europe’s first artificial surf reef (ASR) was investigated at Boscombe on the south coast of England (2009–2014) and compared with assemblages on existing natural and artificial habitats. The ASR consists of geotextile bags filled with sand located 220m offshore on a sandy sea bed at a depth of 0-5m. Successional changes in epibiota were recorded annually on differently orientated surfaces and depths using SCUBA diving and photography. Mobile faunal assemblages were sampled using Baited Remote Underwater Video (BRUV). Distinct stages in colonisation were observed, commencing with bryozoans and green algae which were replaced by red algae, hydroids and ascidians, however there were significant differences in assemblage structure with depth and orientation. The reef is being utilised by migratory, spawning and juvenile life-history stages of fish and invertebrates. The number of non-native species was larger than on natural reefs and other artificial habitats and some occupied a significant proportion of the structure. The accumulation of 180 benthic and mobile taxa, recorded to date, appears to have arisen from a locally rich and mixed pool of native and non-native species. Provided no negative invasive impacts are detected on nearby protected reefs the creation of novel yet diverse habitats may be considered a beneficial outcome.

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Accepted/In Press date: 20 August 2017
e-pub ahead of print date: 19 September 2017

Identifiers

Local EPrints ID: 414487
URI: http://eprints.soton.ac.uk/id/eprint/414487
ISSN: 1932-6203
PURE UUID: c68717fa-0151-4d2e-9238-894815be7a4c

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Date deposited: 03 Oct 2017 16:31
Last modified: 06 Oct 2020 17:29

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