Four-Year Temporal Study of an Intertidal Artificial Structure in the English Channel

An experimental artificial structure was deployed in March 2014 on the intertidal zone of the Bay of Seine (eastern part of the English Channel), at intervals of one year until April 2018, i.e., from February 2015 onwards, two blocks were collected in April each year. This study provides an inventor...

Descripción completa

Guardado en:
Detalles Bibliográficos
Autores principales: Jean-Claude Dauvin, Maël Deloor, Jean-Philippe Pezy, Aurore Raoux, Pascal Claquin, Aurélie Foveau
Formato: article
Lenguaje:EN
Publicado: MDPI AG 2021
Materias:
Acceso en línea:https://doaj.org/article/a9a535791a7441eeab7f02500ddd7d39
Etiquetas: Agregar Etiqueta
Sin Etiquetas, Sea el primero en etiquetar este registro!
id oai:doaj.org-article:a9a535791a7441eeab7f02500ddd7d39
record_format dspace
spelling oai:doaj.org-article:a9a535791a7441eeab7f02500ddd7d392021-11-25T18:03:55ZFour-Year Temporal Study of an Intertidal Artificial Structure in the English Channel10.3390/jmse91111742077-1312https://doaj.org/article/a9a535791a7441eeab7f02500ddd7d392021-10-01T00:00:00Zhttps://www.mdpi.com/2077-1312/9/11/1174https://doaj.org/toc/2077-1312An experimental artificial structure was deployed in March 2014 on the intertidal zone of the Bay of Seine (eastern part of the English Channel), at intervals of one year until April 2018, i.e., from February 2015 onwards, two blocks were collected in April each year. This study provides an inventory of sessile and motile invertebrates living on the artificial hard-bottom and describes the stages of colonization and succession during the four-year study. A total of 84 taxa were identified including 13 sessile and 71 motile taxa. For the sessile fauna, only two taxa <i>Balanus crenatus</i> and <i>Mytilus edulis</i> had colonised the blocks in 2014, and the Taxonomic Richness (TR) was relatively stable during the next three years (between 8 and 10 taxa). The TR of the motile fauna showed an increase between 2014 (5 taxa) and 2015 (34 taxa), and then decreased from 54 taxa in 2017 to 29 taxa in 2018. The abundance of the sessile fauna was very high in 2014 due to the rapid settlement of the barnacle <i>Balanus crenatus,</i> which remained the dominant species throughout the study. Another barnacle <i>Perforatus perforatus</i>, the blue mussel <i>Mytilus edulis</i> and three ascidians including two non-indigenous species <i>Perophora japonica</i> and <i>Corella eumyota,</i> and <i>Molgula</i> sp. were also among the dominant taxa of the sessile fauna. In April 2014, the dominant motile taxa was the decapod <i>Carcinus maenas</i> juvenile, then in 2015 the fauna became dominated by pioneer taxa such as the amphipod of the genus <i>Monocorophium</i> and the tanaid <i>Zeuxo holdichi</i>. A reduction of mean abundance was observed in the last three years of the study, combined with diversification of the dominant species especially those of small size such as Peracarida. The study shows that the colonization of such blocks deployed on oyster tables in the intertidal zone is efficient to test the ability of building material to be colonized in this transition zone.Jean-Claude DauvinMaël DeloorJean-Philippe PezyAurore RaouxPascal ClaquinAurélie FoveauMDPI AGarticleartificial structurespecies diversitysuccessional changeepifaunal colonisationmotile fauna colonisationBay of SeineNaval architecture. Shipbuilding. Marine engineeringVM1-989OceanographyGC1-1581ENJournal of Marine Science and Engineering, Vol 9, Iss 1174, p 1174 (2021)
institution DOAJ
collection DOAJ
language EN
topic artificial structure
species diversity
successional change
epifaunal colonisation
motile fauna colonisation
Bay of Seine
Naval architecture. Shipbuilding. Marine engineering
VM1-989
Oceanography
GC1-1581
spellingShingle artificial structure
species diversity
successional change
epifaunal colonisation
motile fauna colonisation
Bay of Seine
Naval architecture. Shipbuilding. Marine engineering
VM1-989
Oceanography
GC1-1581
Jean-Claude Dauvin
Maël Deloor
Jean-Philippe Pezy
Aurore Raoux
Pascal Claquin
Aurélie Foveau
Four-Year Temporal Study of an Intertidal Artificial Structure in the English Channel
description An experimental artificial structure was deployed in March 2014 on the intertidal zone of the Bay of Seine (eastern part of the English Channel), at intervals of one year until April 2018, i.e., from February 2015 onwards, two blocks were collected in April each year. This study provides an inventory of sessile and motile invertebrates living on the artificial hard-bottom and describes the stages of colonization and succession during the four-year study. A total of 84 taxa were identified including 13 sessile and 71 motile taxa. For the sessile fauna, only two taxa <i>Balanus crenatus</i> and <i>Mytilus edulis</i> had colonised the blocks in 2014, and the Taxonomic Richness (TR) was relatively stable during the next three years (between 8 and 10 taxa). The TR of the motile fauna showed an increase between 2014 (5 taxa) and 2015 (34 taxa), and then decreased from 54 taxa in 2017 to 29 taxa in 2018. The abundance of the sessile fauna was very high in 2014 due to the rapid settlement of the barnacle <i>Balanus crenatus,</i> which remained the dominant species throughout the study. Another barnacle <i>Perforatus perforatus</i>, the blue mussel <i>Mytilus edulis</i> and three ascidians including two non-indigenous species <i>Perophora japonica</i> and <i>Corella eumyota,</i> and <i>Molgula</i> sp. were also among the dominant taxa of the sessile fauna. In April 2014, the dominant motile taxa was the decapod <i>Carcinus maenas</i> juvenile, then in 2015 the fauna became dominated by pioneer taxa such as the amphipod of the genus <i>Monocorophium</i> and the tanaid <i>Zeuxo holdichi</i>. A reduction of mean abundance was observed in the last three years of the study, combined with diversification of the dominant species especially those of small size such as Peracarida. The study shows that the colonization of such blocks deployed on oyster tables in the intertidal zone is efficient to test the ability of building material to be colonized in this transition zone.
format article
author Jean-Claude Dauvin
Maël Deloor
Jean-Philippe Pezy
Aurore Raoux
Pascal Claquin
Aurélie Foveau
author_facet Jean-Claude Dauvin
Maël Deloor
Jean-Philippe Pezy
Aurore Raoux
Pascal Claquin
Aurélie Foveau
author_sort Jean-Claude Dauvin
title Four-Year Temporal Study of an Intertidal Artificial Structure in the English Channel
title_short Four-Year Temporal Study of an Intertidal Artificial Structure in the English Channel
title_full Four-Year Temporal Study of an Intertidal Artificial Structure in the English Channel
title_fullStr Four-Year Temporal Study of an Intertidal Artificial Structure in the English Channel
title_full_unstemmed Four-Year Temporal Study of an Intertidal Artificial Structure in the English Channel
title_sort four-year temporal study of an intertidal artificial structure in the english channel
publisher MDPI AG
publishDate 2021
url https://doaj.org/article/a9a535791a7441eeab7f02500ddd7d39
work_keys_str_mv AT jeanclaudedauvin fouryeartemporalstudyofanintertidalartificialstructureintheenglishchannel
AT maeldeloor fouryeartemporalstudyofanintertidalartificialstructureintheenglishchannel
AT jeanphilippepezy fouryeartemporalstudyofanintertidalartificialstructureintheenglishchannel
AT auroreraoux fouryeartemporalstudyofanintertidalartificialstructureintheenglishchannel
AT pascalclaquin fouryeartemporalstudyofanintertidalartificialstructureintheenglishchannel
AT aureliefoveau fouryeartemporalstudyofanintertidalartificialstructureintheenglishchannel
_version_ 1718411698895847424