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Effects of pollutants in the Ria Formosa Lagoon, Portugal

1995Journal article Restricted access
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dc.contributor.authorBebianno, Maria João
dc.date.accessioned2020-06-04T09:59:09Z
dc.date.available2020-06-04T09:59:09Z
dc.date.issued1995
dc.description.abstractThe Ria Formosa is a most significant area from the point of view of fisheries, particularly with respect to the culture of molluscean shellfish. Eighty percent of the bivalves (e.g. cross-cut carpet shell, Venerupis decussata) harvested in Portugal come from this area. There are in this coastal lagoon rapidly increasing levels of anthropogenic releases of contaminants transported by untreated sewage and industrial and agriculture effluents. High levels of bacteria, nutrients, metals and organochlorine compounds were detected in the water column as well as suspended solids and sediments in several areas of the lagoon, mainly in the areas surrounding the main cities. Some of these pollutants have been accumulating in the tissues of several bivalve species. The accumulation of these pollutants along with the increase in temperature over the summer resulted in deleterious effects on these species some of which became unsafe for human consumption. These anthropogenic releases together with an ineffective clam harvest practice resulted in a massive clam mortality. This mortality generally occurs after summer and bivalve production has shown a significant decrease in the past 5 years with a negative impact on the economy of the region. Along with held experiments, laboratory studies have been carried out to investigate the biological effects of sublethal concentrations of some of these pollutants in the most commercially important species harvested in the regionpt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.doi10.1016/0048-9697(95)04672-9pt_PT
dc.identifier.issn0048-9697
dc.identifier.urihttp://hdl.handle.net/10400.1/13978
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherElsevierpt_PT
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectRia Formosapt_PT
dc.subjectPortugalpt_PT
dc.subjectMolluscean shellfishpt_PT
dc.subjectBivalvespt_PT
dc.subjectAnthropogenic pollutantspt_PT
dc.titleEffects of pollutants in the Ria Formosa Lagoon, Portugalpt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage115pt_PT
oaire.citation.issue1-3pt_PT
oaire.citation.startPage107pt_PT
oaire.citation.titleScience of the Total Environmentpt_PT
oaire.citation.volume171pt_PT
person.familyNameBebianno
person.givenNameMaria
person.identifier.ciencia-id2B11-46AC-B94B
person.identifier.orcid0000-0003-1492-8566
person.identifier.scopus-author-id7004152715
rcaap.rightsrestrictedAccesspt_PT
rcaap.typearticlept_PT
relation.isAuthorOfPublication2e00a26d-1dd3-4c22-a6bf-ac7943ae0d32
relation.isAuthorOfPublication.latestForDiscovery2e00a26d-1dd3-4c22-a6bf-ac7943ae0d32

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