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Occurrence of polycyclic aromatic hydrocarbons, microplastics and biofilms in Alqueva surface water at touristic spots

2022-08-13Journal article Restricted access
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dc.contributor.authorRaposo, Ana
dc.contributor.authorMansilha, Catarina
dc.contributor.authorVeber, Alexander
dc.contributor.authorMelo, Armindo
dc.contributor.authorRodrigues, Joao
dc.contributor.authorMatias, Rui
dc.contributor.authorRebelo, Helena
dc.contributor.authorGrossinho, José
dc.contributor.authorCano, Manuela
dc.contributor.authorAlmeida, Cristina
dc.contributor.authorNogueira, Isabel D.
dc.contributor.authorPuskar, Ljiljana
dc.contributor.authorSchade, Ulrich
dc.contributor.authorJordão, Luisa
dc.date.accessioned2022-11-04T11:55:12Z
dc.date.available2024-12-01T01:30:41Z
dc.date.issued2022-08-13
dc.description.abstractFreshwater pollution is a huge concern. A study aiming to evaluate physico-chemical characteristics, microbiota, occurrence of two groups of persistent environmental pollutants with similar chemical properties (polycyclic aromatic hydrocarbons- PAHs and microplastics - MPs) in Alqueva's surface water was performed during 2021. Water samples were collected at three spots related to touristic activities (two beaches and one marina) during the Winter, Spring, Summer and Autumn seasons. In addition, the presence of biofilms on plastic and natural materials (stone, wood/ vegetal materials) were assessed and compared. Water quality based on physicochemical parameters was acceptable with a low eutrophication level. PAHs concentration levels were lower than the standard limits established for surface waters by international organizations. However, carcinogenic compounds were detected in two sampling locations, which can pose a problem for aquatic ecosystems. PAHs profiles showed significant differences when comparing the dry seasons with the rainy seasons, with a higher number of different compounds detected in Spring. Low molecular weigh compounds, usually associated with the atmospheric deposition and petroleum contamination, were more prevalent. MPs were detected in all samples except one during the Winter season. The polymers detected were poly(methyl-2-methylpropenoate), polystyrene, polyethylene terephthalate, polyamide, polypropylene, styrene butadiene, polyvinyl chloride and low /high density polyethylene with the last being the most frequent. Biofilms were more often detected on plastics than on natural materials. In addition, biofilms detected on plastics were more complex with higher microbial diversity (e.g., bacteria, fungi/yeast and phytoplancton organisms) and richer in extrapolymeric material. Based on morphological analysis a good agreement between microbiota and microorganism present in the biofilms was found. Among microbiota were identified microorganisms previously linked to plastic and PAHs detoxification suggesting the need for further studies to evaluate the viability of using biofilms as part of a green bioremediation strategy to mitigate water pollution.pt_PT
dc.description.sponsorshipThis project has received funding from the European Union's Horizon 2020 research and innovation programme under grant agreement No 730872. We thank INSA for finantial support [2020DSA1756, 2020]pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationSci Total Environ. 2022 Dec 1;850:157983. doi: 10.1016/j.scitotenv.2022.157983. Epub 2022 Aug 13pt_PT
dc.identifier.doi10.1016/j.scitotenv.2022.157983pt_PT
dc.identifier.issn0048-9697
dc.identifier.urihttp://hdl.handle.net/10400.18/8303
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherElsevierpt_PT
dc.relationConvenient Access to Light Sources Open to Innovation, Science and to the World
dc.relation.publisherversionhttps://www.sciencedirect.com/science/article/pii/S0048969722050823?via%3Dihubpt_PT
dc.subjectInland Freshwaterpt_PT
dc.subjectMicroplasticspt_PT
dc.subjectPolycyclic Aromatic Hydrocarbonspt_PT
dc.subjectBiofilmspt_PT
dc.subjectÁgua e Solo
dc.titleOccurrence of polycyclic aromatic hydrocarbons, microplastics and biofilms in Alqueva surface water at touristic spotspt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleConvenient Access to Light Sources Open to Innovation, Science and to the World
oaire.awardURIinfo:eu-repo/grantAgreement/EC/H2020/730872/EU
oaire.citation.startPage157983pt_PT
oaire.citation.titleScience of the Total Environmentpt_PT
oaire.citation.volume850pt_PT
oaire.fundingStreamH2020
project.funder.identifierhttp://doi.org/10.13039/501100008530
project.funder.nameEuropean Commission
rcaap.embargofctDe acordo com a editorapt_PT
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
relation.isProjectOfPublication0eea5c0a-717c-4c26-8940-c45ea785efb2
relation.isProjectOfPublication.latestForDiscovery0eea5c0a-717c-4c26-8940-c45ea785efb2

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