Successional dynamics of marine fouling hydroids (Cnidaria: Hydrozoa) at a finfish aquaculture facility in the Mediterranean Sea.

Aquaculture is increasing rapidly to meet global seafood demand. Some hydroid populations have been linked to mortality and health issues in finfish and shellfish, but their dynamics in and around aquaculture farms remain understudied. In the present work, two experiments, each with 36 panels, teste...

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Main Authors: Luis Martell, Roberta Bracale, Steven A Carrion, Adriana Giangrande, Jennifer E Purcell, Marco Lezzi, Cinzia Gravili, Stefano Piraino, Ferdinando Boero
Format: Article
Language:English
Published: Public Library of Science (PLoS) 2018-01-01
Series:PLoS ONE
Online Access:http://europepmc.org/articles/PMC5880403?pdf=render
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author Luis Martell
Roberta Bracale
Steven A Carrion
Adriana Giangrande
Jennifer E Purcell
Marco Lezzi
Cinzia Gravili
Stefano Piraino
Ferdinando Boero
author_facet Luis Martell
Roberta Bracale
Steven A Carrion
Adriana Giangrande
Jennifer E Purcell
Marco Lezzi
Cinzia Gravili
Stefano Piraino
Ferdinando Boero
author_sort Luis Martell
collection DOAJ
description Aquaculture is increasing rapidly to meet global seafood demand. Some hydroid populations have been linked to mortality and health issues in finfish and shellfish, but their dynamics in and around aquaculture farms remain understudied. In the present work, two experiments, each with 36 panels, tested colonization (factors: depth, season of immersion) and succession (factors: depth, submersion duration) over one year. Hydroid surface cover was estimated for each species, and data were analyzed with multivariate techniques. The assemblage of hydrozoans was species-poor, although species richness, frequency and abundance increased with time, paralleling the overall increase in structural complexity of fouling assemblages. Submersion duration and season of immersion were particularly important in determining the species composition of the assemblages in the succession and colonization experiments, respectively. Production of water-borne propagules, including medusae, from the hydroids was observed from locally abundant colonies, among them the well-known fouling species Obelia dichotoma, potentially representing a nuisance for cultured fish through contact-driven envenomations and gill disorders. The results illustrate the potential importance of fouling hydroids and their medusae to the health of organisms in the aquaculture industry.
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spelling doaj.art-a8bedf9ff9674671be42d7f8fb016a252022-12-21T18:47:38ZengPublic Library of Science (PLoS)PLoS ONE1932-62032018-01-01134e019535210.1371/journal.pone.0195352Successional dynamics of marine fouling hydroids (Cnidaria: Hydrozoa) at a finfish aquaculture facility in the Mediterranean Sea.Luis MartellRoberta BracaleSteven A CarrionAdriana GiangrandeJennifer E PurcellMarco LezziCinzia GraviliStefano PirainoFerdinando BoeroAquaculture is increasing rapidly to meet global seafood demand. Some hydroid populations have been linked to mortality and health issues in finfish and shellfish, but their dynamics in and around aquaculture farms remain understudied. In the present work, two experiments, each with 36 panels, tested colonization (factors: depth, season of immersion) and succession (factors: depth, submersion duration) over one year. Hydroid surface cover was estimated for each species, and data were analyzed with multivariate techniques. The assemblage of hydrozoans was species-poor, although species richness, frequency and abundance increased with time, paralleling the overall increase in structural complexity of fouling assemblages. Submersion duration and season of immersion were particularly important in determining the species composition of the assemblages in the succession and colonization experiments, respectively. Production of water-borne propagules, including medusae, from the hydroids was observed from locally abundant colonies, among them the well-known fouling species Obelia dichotoma, potentially representing a nuisance for cultured fish through contact-driven envenomations and gill disorders. The results illustrate the potential importance of fouling hydroids and their medusae to the health of organisms in the aquaculture industry.http://europepmc.org/articles/PMC5880403?pdf=render
spellingShingle Luis Martell
Roberta Bracale
Steven A Carrion
Adriana Giangrande
Jennifer E Purcell
Marco Lezzi
Cinzia Gravili
Stefano Piraino
Ferdinando Boero
Successional dynamics of marine fouling hydroids (Cnidaria: Hydrozoa) at a finfish aquaculture facility in the Mediterranean Sea.
PLoS ONE
title Successional dynamics of marine fouling hydroids (Cnidaria: Hydrozoa) at a finfish aquaculture facility in the Mediterranean Sea.
title_full Successional dynamics of marine fouling hydroids (Cnidaria: Hydrozoa) at a finfish aquaculture facility in the Mediterranean Sea.
title_fullStr Successional dynamics of marine fouling hydroids (Cnidaria: Hydrozoa) at a finfish aquaculture facility in the Mediterranean Sea.
title_full_unstemmed Successional dynamics of marine fouling hydroids (Cnidaria: Hydrozoa) at a finfish aquaculture facility in the Mediterranean Sea.
title_short Successional dynamics of marine fouling hydroids (Cnidaria: Hydrozoa) at a finfish aquaculture facility in the Mediterranean Sea.
title_sort successional dynamics of marine fouling hydroids cnidaria hydrozoa at a finfish aquaculture facility in the mediterranean sea
url http://europepmc.org/articles/PMC5880403?pdf=render
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