Ecotoxicological impact assessment of some heavy metals and their distribution in some fractions of mangrove sediments from Red Sea, Egypt.
Identifieur interne : 000065 ( PubMed/Checkpoint ); précédent : 000064; suivant : 000066Ecotoxicological impact assessment of some heavy metals and their distribution in some fractions of mangrove sediments from Red Sea, Egypt.
Auteurs : Ghada F. El-Said [Égypte] ; Doaa H. YoussefSource :
- Environmental monitoring and assessment [ 1573-2959 ] ; 2013.
Descripteurs français
- Wicri :
- geographic : Égypte.
English descriptors
- KwdEn :
- Ecosystem, Ecotoxicology, Egypt, Environmental Monitoring, Geologic Sediments (chemistry), Indian Ocean, Metals, Heavy (analysis), Metals, Heavy (toxicity), Water Pollutants, Chemical (analysis), Water Pollutants, Chemical (toxicity), Water Pollution, Chemical (statistics & numerical data), Wetlands.
- MESH :
- chemical , analysis : Metals, Heavy, Water Pollutants, Chemical.
- chemical , toxicity : Metals, Heavy, Water Pollutants, Chemical.
- geographic : Egypt, Indian Ocean.
- chemistry : Geologic Sediments.
- statistics & numerical data : Water Pollution, Chemical.
- Ecosystem, Ecotoxicology, Environmental Monitoring, Wetlands.
Abstract
The total and fraction concentrations of heavy metals (Mn, Cu, Ni, Pb, Co, and Cd) were analyzed in some sediment fractions (Φ2, Φ3, Φ4, Φ5) of selected mangrove ecosystems collected from the Egyptian Red Sea shoreline. The results revealed that manganese had the highest mean value (133 ± 97 mg/kg) followed by copper (49.9 ± 46.0 mg/kg), nickel (28.1 ± 11.8 mg/kg), lead (19 ± 13 mg/kg), cobalt (6.7 ± 4.0 mg/kg), and cadmium (3.327 ± 1.280 mg/kg). The concentrations of heavy metals in the different sediment fractions showed that there was a preferential accumulation of Cu, Co, Mn, and to a lesser degree Cd in the silt and clay fractions rather than in the sand-sized. The sediment quality was performed by using some sediment quality guidelines. Additionally, the contamination and the risk assessment of these heavy metals were achieved by different methods including, potential ecological risk index, contamination factor, pollution load index, and geoaccumulation index. According to the Sediment Quality Guidelines comparisons, the concentrations of Mn and Pb were low and showed no possibility of detrimental effects on the local environment. The levels of Cu and Ni were high, however, could not be considered to present serious threat to the mangrove ecosystem. The data showed that the mangrove ecosystems were affected by the Cd risk.
DOI: 10.1007/s10661-012-2561-9
PubMed: 22371036
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The results revealed that manganese had the highest mean value (133 ± 97 mg/kg) followed by copper (49.9 ± 46.0 mg/kg), nickel (28.1 ± 11.8 mg/kg), lead (19 ± 13 mg/kg), cobalt (6.7 ± 4.0 mg/kg), and cadmium (3.327 ± 1.280 mg/kg). The concentrations of heavy metals in the different sediment fractions showed that there was a preferential accumulation of Cu, Co, Mn, and to a lesser degree Cd in the silt and clay fractions rather than in the sand-sized. The sediment quality was performed by using some sediment quality guidelines. Additionally, the contamination and the risk assessment of these heavy metals were achieved by different methods including, potential ecological risk index, contamination factor, pollution load index, and geoaccumulation index. According to the Sediment Quality Guidelines comparisons, the concentrations of Mn and Pb were low and showed no possibility of detrimental effects on the local environment. The levels of Cu and Ni were high, however, could not be considered to present serious threat to the mangrove ecosystem. The data showed that the mangrove ecosystems were affected by the Cd risk.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">22371036</PMID><DateCreated><Year>2012</Year><Month>12</Month><Day>27</Day></DateCreated><DateCompleted><Year>2013</Year><Month>05</Month><Day>24</Day></DateCompleted><DateRevised><Year>2012</Year><Month>12</Month><Day>27</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1573-2959</ISSN><JournalIssue CitedMedium="Internet"><Volume>185</Volume><Issue>1</Issue><PubDate><Year>2013</Year><Month>Jan</Month></PubDate></JournalIssue><Title>Environmental monitoring and assessment</Title><ISOAbbreviation>Environ Monit Assess</ISOAbbreviation></Journal><ArticleTitle>Ecotoxicological impact assessment of some heavy metals and their distribution in some fractions of mangrove sediments from Red Sea, Egypt.</ArticleTitle><Pagination><MedlinePgn>393-404</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1007/s10661-012-2561-9</ELocationID><Abstract><AbstractText>The total and fraction concentrations of heavy metals (Mn, Cu, Ni, Pb, Co, and Cd) were analyzed in some sediment fractions (Φ2, Φ3, Φ4, Φ5) of selected mangrove ecosystems collected from the Egyptian Red Sea shoreline. The results revealed that manganese had the highest mean value (133 ± 97 mg/kg) followed by copper (49.9 ± 46.0 mg/kg), nickel (28.1 ± 11.8 mg/kg), lead (19 ± 13 mg/kg), cobalt (6.7 ± 4.0 mg/kg), and cadmium (3.327 ± 1.280 mg/kg). The concentrations of heavy metals in the different sediment fractions showed that there was a preferential accumulation of Cu, Co, Mn, and to a lesser degree Cd in the silt and clay fractions rather than in the sand-sized. The sediment quality was performed by using some sediment quality guidelines. Additionally, the contamination and the risk assessment of these heavy metals were achieved by different methods including, potential ecological risk index, contamination factor, pollution load index, and geoaccumulation index. According to the Sediment Quality Guidelines comparisons, the concentrations of Mn and Pb were low and showed no possibility of detrimental effects on the local environment. The levels of Cu and Ni were high, however, could not be considered to present serious threat to the mangrove ecosystem. The data showed that the mangrove ecosystems were affected by the Cd risk.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>El-Said</LastName><ForeName>Ghada F</ForeName><Initials>GF</Initials><AffiliationInfo><Affiliation>Environmental Division, National Institute of Oceanography and Fisheries, El Anfoushy, Qyet Bay, Alexandria, Egypt. gfarouk66@yahoo.com</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Youssef</LastName><ForeName>Doaa H</ForeName><Initials>DH</Initials></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2012</Year><Month>02</Month><Day>25</Day></ArticleDate></Article><MedlineJournalInfo><Country>Netherlands</Country><MedlineTA>Environ Monit Assess</MedlineTA><NlmUniqueID>8508350</NlmUniqueID><ISSNLinking>0167-6369</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D019216">Metals, Heavy</NameOfSubstance></Chemical><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D014874">Water Pollutants, Chemical</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D017753" MajorTopicYN="N">Ecosystem</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D054750" MajorTopicYN="N">Ecotoxicology</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D004534" MajorTopicYN="N" Type="Geographic">Egypt</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D004784" MajorTopicYN="Y">Environmental Monitoring</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D019015" MajorTopicYN="N">Geologic Sediments</DescriptorName><QualifierName UI="Q000737" MajorTopicYN="N">chemistry</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D019156" MajorTopicYN="N" Type="Geographic">Indian Ocean</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D019216" MajorTopicYN="N">Metals, Heavy</DescriptorName><QualifierName UI="Q000032" MajorTopicYN="Y">analysis</QualifierName><QualifierName UI="Q000633" MajorTopicYN="N">toxicity</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D014874" MajorTopicYN="N">Water Pollutants, Chemical</DescriptorName><QualifierName UI="Q000032" MajorTopicYN="Y">analysis</QualifierName><QualifierName UI="Q000633" MajorTopicYN="N">toxicity</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D014877" MajorTopicYN="N">Water Pollution, Chemical</DescriptorName><QualifierName UI="Q000706" MajorTopicYN="N">statistics & numerical data</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D053833" MajorTopicYN="Y">Wetlands</DescriptorName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2011</Year><Month>10</Month><Day>12</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2012</Year><Month>01</Month><Day>31</Day></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2012</Year><Month>2</Month><Day>29</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2012</Year><Month>3</Month><Day>1</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2013</Year><Month>5</Month><Day>28</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">22371036</ArticleId><ArticleId IdType="doi">10.1007/s10661-012-2561-9</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>Égypte</li></country></list><tree><noCountry><name sortKey="Youssef, Doaa H" sort="Youssef, Doaa H" uniqKey="Youssef D" first="Doaa H" last="Youssef">Doaa H. Youssef</name></noCountry><country name="Égypte"><noRegion><name sortKey="El Said, Ghada F" sort="El Said, Ghada F" uniqKey="El Said G" first="Ghada F" last="El-Said">Ghada F. El-Said</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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