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Microplastic leachates disrupt the chemotactic and chemokinetic behaviours of an ecosystem engineer (Mytilus edulis)

2022Journal article Restricted access
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dc.contributor.authorUguen, Marine
dc.contributor.authorNicastro, Katy
dc.contributor.authorZardi, Gerardo I.
dc.contributor.authorGaudron, Sylvie M.
dc.contributor.authorSpilmont, Nicolas
dc.contributor.authorAkoueson, Fleurine
dc.contributor.authorDuflos, Guillaume
dc.contributor.authorSeuront, Laurent
dc.date.accessioned2022-12-16T12:54:36Z
dc.date.available2022-12-16T12:54:36Z
dc.date.issued2022
dc.description.abstractThe massive contamination of the environment by plastics is an increasing global scientific and societal concern. Knowing whether and how these pollutants affect the behaviour of keystone species is essential to identify environmental risks effectively. Here, we focus on the effect of plastic leachates on the behavioural response of the common blue mussel Mytilus edulis, an ecosystem engineer responsible for the creation of biogenic structures that modify the environment and provide numerous ecosystem functions and services. Specifically, we assess the effect of virgin polypropylene beads on mussels' chemotactic (i.e. a directional movement in response to a chemical stimulus) and chemokinetic (i.e. a non-directional change in movement properties such as speed, distance travelled or turning frequency in response to a chemical stimulus) responses to different chemical cues (i.e. conspecifics, injured conspecifics and a predator, the crab Hemigrapsus sanguineus). In the presence of predator cues, individual mussels reduced both their gross distance and speed, changes interpreted here as an avoidance behaviour. When exposed to polypropylene leachates, mussels moved less compared to control conditions, regardless of the cues tested. Additionally, in presence of crab cues with plastic leachates, mussels significantly changed the direction of movement suggesting a leachate-induced loss of their negative chemotaxis response. Taken together, our results indicate that the behavioural response of M. edulis is cue-specific and that its anti-predator behaviour as well as its mobility are impaired when exposed to microplastic leachates, potentially affecting the functioning of the ecosystem that the species supports.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.doi10.1016/j.chemosphere.2022.135425pt_PT
dc.identifier.eissn1879-1298
dc.identifier.urihttp://hdl.handle.net/10400.1/18648
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherPergamon - Elsevierpt_PT
dc.relationAlgarve Centre for Marine Sciences
dc.subjectChemical stimuluspt_PT
dc.subjectChemodetectionpt_PT
dc.subjectPredatorspt_PT
dc.subjectBlue musselpt_PT
dc.subjectCuespt_PT
dc.subjectPlasticspt_PT
dc.subjectIntertidal speciespt_PT
dc.titleMicroplastic leachates disrupt the chemotactic and chemokinetic behaviours of an ecosystem engineer (Mytilus edulis)pt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleAlgarve Centre for Marine Sciences
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F04326%2F2020/PT
oaire.citation.startPage135425pt_PT
oaire.citation.titleChemospherept_PT
oaire.citation.volume306pt_PT
oaire.fundingStream6817 - DCRRNI ID
person.familyNameNicastro
person.givenNameKaty
person.identifier.ciencia-id3E12-714B-AFE5
person.identifier.orcid0000-0002-7071-141X
person.identifier.ridD-2259-2012
person.identifier.scopus-author-id12646675100
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsrestrictedAccesspt_PT
rcaap.typearticlept_PT
relation.isAuthorOfPublication6268844a-b0a2-4aa5-9616-c3afaba0e2ca
relation.isAuthorOfPublication.latestForDiscovery6268844a-b0a2-4aa5-9616-c3afaba0e2ca
relation.isProjectOfPublicationfafa76a6-2cd2-4a6d-a3c9-772f34d3b91f
relation.isProjectOfPublication.latestForDiscoveryfafa76a6-2cd2-4a6d-a3c9-772f34d3b91f

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