Bioconcentration of zinc and cadmium in ectomycorrhizal fungi and associated aspen trees as affected by level of pollution.
Identifieur interne : 002A93 ( Main/Exploration ); précédent : 002A92; suivant : 002A94Bioconcentration of zinc and cadmium in ectomycorrhizal fungi and associated aspen trees as affected by level of pollution.
Auteurs : Doris Krpata [Autriche] ; Walter Fitz ; Ursula Peintner ; Ingrid Langer ; Peter SchweigerSource :
- Environmental pollution (Barking, Essex : 1987) [ 1873-6424 ] ; 2009.
Descripteurs français
- KwdFr :
- MESH :
- analyse : Cadmium, Polluants du sol, Pollution de l'environnement, Zinc.
- composition chimique : Arbres, Champignons.
- métabolisme : Arbres, Champignons, Mycorhizes.
- méthodes : Surveillance de l'environnement.
English descriptors
- KwdEn :
- MESH :
- chemical , analysis : Cadmium, Soil Pollutants, Zinc.
- analysis : Environmental Pollution.
- chemistry : Fungi, Trees.
- metabolism : Fungi, Mycorrhizae, Trees.
- methods : Environmental Monitoring.
Abstract
Concentrations of Zn and Cd were measured in fruitbodies of ectomycorrhizal (ECM) fungi and leaves of co-occurring accumulator aspen. Samples were taken on three metal-polluted sites and one control site. Fungal bioconcentration factors (BCF = fruitbody concentration: soil concentration) were calculated on the basis of total metal concentrations in surface soil horizons (BCF(tot)) and NH(4)NO(3)-extractable metal concentrations in mineral soil (BCF(lab)). When plotted on log-log scale, values of BCF decreased linearly with increasing soil metal concentrations. BCF(lab) for both Zn and Cd described the data more closely than BCF(tot). Fungal genera differed in ZnBCF but not in CdBCF. The information on differences between fungi with respect to their predominant occurrence in different soil horizons did not improve relations of BCF with soil metal concentrations. Aspen trees accumulated Zn and Cd to similar concentrations as the ECM fungi. Apparently, the fungi did not act as an effective barrier against aspen metal uptake by retaining the metals.
DOI: 10.1016/j.envpol.2008.06.038
PubMed: 18706745
Affiliations:
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Peintner</name></author><author><name sortKey="Langer, Ingrid" sort="Langer, Ingrid" uniqKey="Langer I" first="Ingrid" last="Langer">Ingrid Langer</name></author><author><name sortKey="Schweiger, Peter" sort="Schweiger, Peter" uniqKey="Schweiger P" first="Peter" last="Schweiger">Peter Schweiger</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2009">2009</date><idno type="RBID">pubmed:18706745</idno><idno type="pmid">18706745</idno><idno type="doi">10.1016/j.envpol.2008.06.038</idno><idno type="wicri:Area/Main/Corpus">002C01</idno><idno type="wicri:explorRef" wicri:stream="Main" wicri:step="Corpus" wicri:corpus="PubMed">002C01</idno><idno type="wicri:Area/Main/Curation">002C01</idno><idno type="wicri:explorRef" wicri:stream="Main" wicri:step="Curation">002C01</idno><idno type="wicri:Area/Main/Exploration">002C01</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Bioconcentration of zinc and cadmium in 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scheme="MESH" qualifier="metabolism" xml:lang="en"><term>Fungi</term><term>Mycorrhizae</term><term>Trees</term></keywords><keywords scheme="MESH" qualifier="methods" xml:lang="en"><term>Environmental Monitoring</term></keywords><keywords scheme="MESH" qualifier="métabolisme" xml:lang="fr"><term>Arbres</term><term>Champignons</term><term>Mycorhizes</term></keywords><keywords scheme="MESH" qualifier="méthodes" xml:lang="fr"><term>Surveillance de l'environnement</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Concentrations of Zn and Cd were measured in fruitbodies of ectomycorrhizal (ECM) fungi and leaves of co-occurring accumulator aspen. Samples were taken on three metal-polluted sites and one control site. Fungal bioconcentration factors (BCF = fruitbody concentration: soil concentration) were calculated on the basis of total metal concentrations in surface soil horizons (BCF(tot)) and NH(4)NO(3)-extractable metal concentrations in mineral soil (BCF(lab)). When plotted on log-log scale, values of BCF decreased linearly with increasing soil metal concentrations. BCF(lab) for both Zn and Cd described the data more closely than BCF(tot). Fungal genera differed in ZnBCF but not in CdBCF. The information on differences between fungi with respect to their predominant occurrence in different soil horizons did not improve relations of BCF with soil metal concentrations. Aspen trees accumulated Zn and Cd to similar concentrations as the ECM fungi. Apparently, the fungi did not act as an effective barrier against aspen metal uptake by retaining the metals.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">18706745</PMID><DateCompleted><Year>2009</Year><Month>02</Month><Day>02</Day></DateCompleted><DateRevised><Year>2013</Year><Month>11</Month><Day>21</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1873-6424</ISSN><JournalIssue CitedMedium="Internet"><Volume>157</Volume><Issue>1</Issue><PubDate><Year>2009</Year><Month>Jan</Month></PubDate></JournalIssue><Title>Environmental pollution (Barking, Essex : 1987)</Title><ISOAbbreviation>Environ Pollut</ISOAbbreviation></Journal><ArticleTitle>Bioconcentration of zinc and cadmium in ectomycorrhizal fungi and associated aspen trees as affected by level of pollution.</ArticleTitle><Pagination><MedlinePgn>280-6</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1016/j.envpol.2008.06.038</ELocationID><Abstract><AbstractText>Concentrations of Zn and Cd were measured in fruitbodies of ectomycorrhizal (ECM) fungi and leaves of co-occurring accumulator aspen. Samples were taken on three metal-polluted sites and one control site. Fungal bioconcentration factors (BCF = fruitbody concentration: soil concentration) were calculated on the basis of total metal concentrations in surface soil horizons (BCF(tot)) and NH(4)NO(3)-extractable metal concentrations in mineral soil (BCF(lab)). When plotted on log-log scale, values of BCF decreased linearly with increasing soil metal concentrations. BCF(lab) for both Zn and Cd described the data more closely than BCF(tot). Fungal genera differed in ZnBCF but not in CdBCF. The information on differences between fungi with respect to their predominant occurrence in different soil horizons did not improve relations of BCF with soil metal concentrations. Aspen trees accumulated Zn and Cd to similar concentrations as the ECM fungi. 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sort="Schweiger, Peter" uniqKey="Schweiger P" first="Peter" last="Schweiger">Peter Schweiger</name></noCountry><country name="Autriche"><noRegion><name sortKey="Krpata, Doris" sort="Krpata, Doris" uniqKey="Krpata D" first="Doris" last="Krpata">Doris Krpata</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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