NickelMaghrebV1, Hal, Checkpoint, bibRecord, 000002

Accumulation of trace metals in sediments in a Mediterranean Lagoon: Usefulness of metal sediment fractionation and elutriate toxicity assessment

Identifieur interne : 000002 ( Hal/Checkpoint ); précédent : 000001; suivant : 000003

Accumulation of trace metals in sediments in a Mediterranean Lagoon: Usefulness of metal sediment fractionation and elutriate toxicity assessment

Auteurs : Noureddine Zaaboub [France] ; Maria Virginia Alves Martins ; Amel Dhib [France] ; Béchir Béjaoui [France] ; François Galgani [France] ; Monia El Bour [France] ; Lotfi Aleya [France]

Source :

Environmental Pollution [ 0269-7491 ] ; 2015-12.

RBID : Hal:hal-01245047

English descriptors

mix :
- Coastal lagoons , Bioassays , Pollution effects, Toxicity , Trace metals .

Abstract

The authors investigated sediment quality in Bizerte Lagoon (Tunisia) focusing on geochemical characteristics, metal sediment fractionation and elutriate toxicity assessment. Nickel, Cu, Zn, Pb, Cr and Cd partitioning in sediments was studied; accumulation and bioavailability were elucidated using enrichment factors, sequential extractions, redox potential, acid volatile sulfide and biotest procedures in toxicity evaluation. Results revealed an accumulation for Pb and Zn, reaching 99 and 460 mg kg−1 respectively. In addition, the acid volatile sulfide values were high in both eastern and western lagoon areas, thus affecting metal availability. Mean enrichment factor values for Pb and Zn were 4.8 and 4.9, respectively, with these elements as the main contributors to the lagoon's moderate enrichment level. Toxicity levels were influenced by accumulation of Zn in different surface sediment areas. Core sediments were investigated in areas with the highest metal concentrations; metal fractionation and biotest confirmed that Zn contributes to sediment toxicity.

Url:

https://hal.archives-ouvertes.fr/hal-01245047

DOI: 10.1016/j.envpol.2015.09.033

Links toward previous steps (curation, corpus...)

to stream Hal, to step Corpus: 000000
to stream Hal, to step Curation: 000000

Links to Exploration step

Hal:hal-01245047

Le document en format XML

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<front><div type="abstract" xml:lang="en">The authors investigated sediment quality in Bizerte Lagoon (Tunisia) focusing on geochemical characteristics, metal sediment fractionation and elutriate toxicity assessment. Nickel, Cu, Zn, Pb, Cr and Cd partitioning in sediments was studied; accumulation and bioavailability were elucidated using enrichment factors, sequential extractions, redox potential, acid volatile sulfide and biotest procedures in toxicity evaluation. Results revealed an accumulation for Pb and Zn, reaching 99 and 460 mg kg−1 respectively. In addition, the acid volatile sulfide values were high in both eastern and western lagoon areas, thus affecting metal availability. Mean enrichment factor values for Pb and Zn were 4.8 and 4.9, respectively, with these elements as the main contributors to the lagoon's moderate enrichment level. Toxicity levels were influenced by accumulation of Zn in different surface sediment areas. Core sediments were investigated in areas with the highest metal concentrations; metal fractionation and biotest confirmed that Zn contributes to sediment toxicity.</div>
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                <author role="aut">                  <persName>                    <forename type="first">François</forename>
                    <surname>Galgani</surname>
                  </persName>
                  <idno type="halauthorid">503195</idno>
                  <affiliation ref="#struct-183223"></affiliation>
                </author>
                <author role="aut">                  <persName>                    <forename type="first">Monia</forename>
                    <surname>El Bour</surname>
                  </persName>
                  <email type="md5">292af90bab7ebd21132edf17acb6a56b</email>
                  <email type="domain">instm.rnrt.tn</email>
                  <idno type="halauthorid">690064</idno>
                  <affiliation ref="#struct-325583"></affiliation>
                </author>
                <author role="aut">                  <persName>                    <forename type="first">Lotfi</forename>
                    <surname>Aleya</surname>
                  </persName>
                  <email type="md5">4441fb49066d675e31f145d5279483b3</email>
                  <email type="domain">univ-fcomte.fr</email>
                  <idno type="halauthorid">456210</idno>
                  <affiliation ref="#struct-57629"></affiliation>
                </author>
              </analytic>
              <monogr>                <idno type="halJournalId" status="VALID">4674</idno>
                <idno type="issn">0269-7491</idno>
                <title level="j">Environmental Pollution</title>
                <imprint>                  <publisher>Elsevier</publisher>
                  <biblScope unit="volume">207</biblScope>
                  <biblScope unit="pp">226-237</biblScope>
                  <date type="datePub">2015-12</date>
                  <date type="dateEpub">2015-09-25</date>
                </imprint>
              </monogr>
              <idno type="doi">10.1016/j.envpol.2015.09.033</idno>
            </biblStruct>
          </sourceDesc>
          <profileDesc>            <langUsage>              <language ident="en">English</language>
            </langUsage>
            <textClass>              <keywords scheme="author">                <term xml:lang="en">    Coastal lagoons </term>
                <term xml:lang="en"> Trace metals </term>
                <term xml:lang="en"> Toxicity </term>
                <term xml:lang="en"> Bioassays </term>
                <term xml:lang="en"> Pollution effects</term>
              </keywords>
              <classCode scheme="halDomain" n="sde">Environmental Sciences</classCode>
              <classCode scheme="halTypology" n="ART">Journal articles</classCode>
            </textClass>
            <abstract xml:lang="en">The authors investigated sediment quality in Bizerte Lagoon (Tunisia) focusing on geochemical characteristics, metal sediment fractionation and elutriate toxicity assessment. Nickel, Cu, Zn, Pb, Cr and Cd partitioning in sediments was studied; accumulation and bioavailability were elucidated using enrichment factors, sequential extractions, redox potential, acid volatile sulfide and biotest procedures in toxicity evaluation. Results revealed an accumulation for Pb and Zn, reaching 99 and 460 mg kg−1 respectively. In addition, the acid volatile sulfide values were high in both eastern and western lagoon areas, thus affecting metal availability. Mean enrichment factor values for Pb and Zn were 4.8 and 4.9, respectively, with these elements as the main contributors to the lagoon's moderate enrichment level. Toxicity levels were influenced by accumulation of Zn in different surface sediment areas. Core sediments were investigated in areas with the highest metal concentrations; metal fractionation and biotest confirmed that Zn contributes to sediment toxicity.</abstract>
          </profileDesc>
        </hal>
</record>

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	Serveur d'exploration sur le nickel au Maghreb
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Serveur d'exploration sur le nickel au Maghreb

Accumulation of trace metals in sediments in a Mediterranean Lagoon: Usefulness of metal sediment fractionation and elutriate toxicity assessment

Accumulation of trace metals in sediments in a Mediterranean Lagoon: Usefulness of metal sediment fractionation and elutriate toxicity assessment

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