Assessing the potential of short rotation coppice (SRC) for cleanup of radionuclide-contaminated sites.
Identifieur interne : 003E69 ( Main/Curation ); précédent : 003E68; suivant : 003E70Assessing the potential of short rotation coppice (SRC) for cleanup of radionuclide-contaminated sites.
Auteurs : M V Dutton [Royaume-Uni] ; P N HumphreysSource :
- International journal of phytoremediation [ 1522-6514 ] ; 2005.
Descripteurs français
- KwdFr :
- MESH :
- croissance et développement : Populus, Salix.
- métabolisme : Polluants radioactifs, Populus, Salix.
- Spécificité d'espèce.
English descriptors
- KwdEn :
- MESH :
- chemical , metabolism : Radioactive Pollutants.
- growth & development : Populus, Salix.
- metabolism : Populus, Salix.
- Species Specificity.
Abstract
A small-scale greenhouse investigation was undertaken using Goat willow (Salix caprea) and aspen (Populus tremula) to evaluate the potential of short rotation coppice for remediation of 137Cs- and 90Sr-contaminated sites. Results showed that both species were able to accumulate these radionuclides from a representative disposal soil (aged) and a spiked soil S. caprea accumulating greater levels of 137Cs than P. tremula, with no difference between species for 90Sr accumulation. For each radionuclide, the distribution in both species was similar, with 137Cs accumulation greatest in the roots, whereas 90Sr accumulation was greatest in the leaves. It was also evident that the soil-to-plant transfer factor (Tf) values for 90Sr were greater than for 137Cs, agreeing with differences in the reported bioavailailablity of these radionuclides in soil Based on the Tf values for S. caprea (conservative), estimated remediation times were 92 and 56 yr, for 137Cs and 90Sr, respectively. It is suggested that the selection of Salix species grown in a system of SRC provides a significant opportunity for removal of both 137Cs and 90Sr, primarily due to its higher biomass production. However, for 137Cs phytoremediation investigations into the appropriate use of soil amendments for increasing bioavailability are required.
DOI: 10.1080/16226510500327137
PubMed: 16463541
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Results showed that both species were able to accumulate these radionuclides from a representative disposal soil (aged) and a spiked soil S. caprea accumulating greater levels of 137Cs than P. tremula, with no difference between species for 90Sr accumulation. For each radionuclide, the distribution in both species was similar, with 137Cs accumulation greatest in the roots, whereas 90Sr accumulation was greatest in the leaves. It was also evident that the soil-to-plant transfer factor (Tf) values for 90Sr were greater than for 137Cs, agreeing with differences in the reported bioavailailablity of these radionuclides in soil Based on the Tf values for S. caprea (conservative), estimated remediation times were 92 and 56 yr, for 137Cs and 90Sr, respectively. It is suggested that the selection of Salix species grown in a system of SRC provides a significant opportunity for removal of both 137Cs and 90Sr, primarily due to its higher biomass production. However, for 137Cs phytoremediation investigations into the appropriate use of soil amendments for increasing bioavailability are required.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">16463541</PMID><DateCompleted><Year>2006</Year><Month>03</Month><Day>28</Day></DateCompleted><DateRevised><Year>2009</Year><Month>01</Month><Day>12</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Print">1522-6514</ISSN><JournalIssue CitedMedium="Print"><Volume>7</Volume><Issue>4</Issue><PubDate><Year>2005</Year></PubDate></JournalIssue><Title>International journal of phytoremediation</Title><ISOAbbreviation>Int J Phytoremediation</ISOAbbreviation></Journal><ArticleTitle>Assessing the potential of short rotation coppice (SRC) for cleanup of radionuclide-contaminated sites.</ArticleTitle><Pagination><MedlinePgn>279-93</MedlinePgn></Pagination><Abstract><AbstractText>A small-scale greenhouse investigation was undertaken using Goat willow (Salix caprea) and aspen (Populus tremula) to evaluate the potential of short rotation coppice for remediation of 137Cs- and 90Sr-contaminated sites. Results showed that both species were able to accumulate these radionuclides from a representative disposal soil (aged) and a spiked soil S. caprea accumulating greater levels of 137Cs than P. tremula, with no difference between species for 90Sr accumulation. For each radionuclide, the distribution in both species was similar, with 137Cs accumulation greatest in the roots, whereas 90Sr accumulation was greatest in the leaves. It was also evident that the soil-to-plant transfer factor (Tf) values for 90Sr were greater than for 137Cs, agreeing with differences in the reported bioavailailablity of these radionuclides in soil Based on the Tf values for S. caprea (conservative), estimated remediation times were 92 and 56 yr, for 137Cs and 90Sr, respectively. It is suggested that the selection of Salix species grown in a system of SRC provides a significant opportunity for removal of both 137Cs and 90Sr, primarily due to its higher biomass production. However, for 137Cs phytoremediation investigations into the appropriate use of soil amendments for increasing bioavailability are required.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Dutton</LastName><ForeName>M V</ForeName><Initials>MV</Initials><AffiliationInfo><Affiliation>Nexia Solutions, Sellafield, Seascale, Cumbria CA20 1PG, UK. martin.v.dutton@nexiasolutions.com</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Humphreys</LastName><ForeName>P N</ForeName><Initials>PN</Initials></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType></PublicationTypeList></Article><MedlineJournalInfo><Country>United States</Country><MedlineTA>Int J Phytoremediation</MedlineTA><NlmUniqueID>101136878</NlmUniqueID><ISSNLinking>1522-6514</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D011848">Radioactive Pollutants</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D032107" MajorTopicYN="N">Populus</DescriptorName><QualifierName UI="Q000254" MajorTopicYN="N">growth & development</QualifierName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D011848" MajorTopicYN="N">Radioactive Pollutants</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D032108" MajorTopicYN="N">Salix</DescriptorName><QualifierName UI="Q000254" MajorTopicYN="N">growth & development</QualifierName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D013045" MajorTopicYN="N">Species Specificity</DescriptorName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="pubmed"><Year>2006</Year><Month>2</Month><Day>9</Day><Hour>9</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2006</Year><Month>3</Month><Day>29</Day><Hour>9</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2006</Year><Month>2</Month><Day>9</Day><Hour>9</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">16463541</ArticleId><ArticleId IdType="doi">10.1080/16226510500327137</ArticleId></ArticleIdList></PubmedData></pubmed></record>Pour manipuler ce document sous Unix (Dilib)
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