Arsenic rich iron plaque on macrophyte roots – an ecotoxicological risk?

Arsenic is known to accumulate with iron plaque on macrophyte roots. Three to four years after the Aznalco´ llar mine spill (Spain), residual arsenic contamination left in seasonal wetland habitats has been identified in this form by scanning electron microscopy. Total digestion has determined arseni...

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Detalles Bibliográficos
Autores: Taggart, Mark A., Mateo, Rafael, Charnock, J.M., Bahrami, F., Green, Andy J., Meharg, A.A.
Tipo de recurso: artículo
Fecha de publicación:2009
País:España
Institución:Consejo Superior de Investigaciones Científicas (CSIC)
Repositorio:DIGITAL.CSIC. Repositorio Institucional del CSIC
OAI Identifier:oai:digital.csic.es:10261/38750
Acceso en línea:http://hdl.handle.net/10261/38750
Access Level:acceso abierto
Palabra clave:Herbivorous wildlife
Metalloids
Food chain transfer
Wetlands
Phytoremediation
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spelling Arsenic rich iron plaque on macrophyte roots – an ecotoxicological risk?Taggart, Mark A.Mateo, RafaelCharnock, J.M.Bahrami, F.Green, Andy J.Meharg, A.A.Herbivorous wildlifeMetalloidsFood chain transferWetlandsPhytoremediationArsenic is known to accumulate with iron plaque on macrophyte roots. Three to four years after the Aznalco´ llar mine spill (Spain), residual arsenic contamination left in seasonal wetland habitats has been identified in this form by scanning electron microscopy. Total digestion has determined arsenic concentrations in thoroughly washed ‘root þ plaque’ material in excess of 1000 mg kg—1, and further analysis using X-ray absorption spectroscopy suggests arsenic exists as both arsenate and arsenite. Certain herbivorous species feed on rhizomes and bulbs of macrophytes in a wide range of global environments, and the ecotoxicological impact of consuming arsenic rich iron plaque associated with such food items remains to be quantified. Here, greylag geese which feed on Scirpus maritimus rhizome and bulb material in areas affected by the Aznalco´ llar spill are shown to have elevated levels of arsenic in their feces, which may originate from arsenic rich iron plaque.Peer reviewedElsevier201120112009info:eu-repo/semantics/articlehttp://purl.org/coar/resource_type/c_6501http://hdl.handle.net/10261/38750reponame:DIGITAL.CSIC. Repositorio Institucional del CSICinstname:Consejo Superior de Investigaciones Científicas (CSIC)Ingléshttp://www.sciencedirect.com/science/article/pii/S0269749108005526info:eu-repo/semantics/openAccessoai:digital.csic.es:10261/387502026-05-22T06:33:51Z
dc.title.none.fl_str_mv Arsenic rich iron plaque on macrophyte roots – an ecotoxicological risk?
title Arsenic rich iron plaque on macrophyte roots – an ecotoxicological risk?
spellingShingle Arsenic rich iron plaque on macrophyte roots – an ecotoxicological risk?
Taggart, Mark A.
Herbivorous wildlife
Metalloids
Food chain transfer
Wetlands
Phytoremediation
title_short Arsenic rich iron plaque on macrophyte roots – an ecotoxicological risk?
title_full Arsenic rich iron plaque on macrophyte roots – an ecotoxicological risk?
title_fullStr Arsenic rich iron plaque on macrophyte roots – an ecotoxicological risk?
title_full_unstemmed Arsenic rich iron plaque on macrophyte roots – an ecotoxicological risk?
title_sort Arsenic rich iron plaque on macrophyte roots – an ecotoxicological risk?
dc.creator.none.fl_str_mv Taggart, Mark A.
Mateo, Rafael
Charnock, J.M.
Bahrami, F.
Green, Andy J.
Meharg, A.A.
author Taggart, Mark A.
author_facet Taggart, Mark A.
Mateo, Rafael
Charnock, J.M.
Bahrami, F.
Green, Andy J.
Meharg, A.A.
author_role author
author2 Mateo, Rafael
Charnock, J.M.
Bahrami, F.
Green, Andy J.
Meharg, A.A.
author2_role author
author
author
author
author
dc.subject.none.fl_str_mv Herbivorous wildlife
Metalloids
Food chain transfer
Wetlands
Phytoremediation
topic Herbivorous wildlife
Metalloids
Food chain transfer
Wetlands
Phytoremediation
description Arsenic is known to accumulate with iron plaque on macrophyte roots. Three to four years after the Aznalco´ llar mine spill (Spain), residual arsenic contamination left in seasonal wetland habitats has been identified in this form by scanning electron microscopy. Total digestion has determined arsenic concentrations in thoroughly washed ‘root þ plaque’ material in excess of 1000 mg kg—1, and further analysis using X-ray absorption spectroscopy suggests arsenic exists as both arsenate and arsenite. Certain herbivorous species feed on rhizomes and bulbs of macrophytes in a wide range of global environments, and the ecotoxicological impact of consuming arsenic rich iron plaque associated with such food items remains to be quantified. Here, greylag geese which feed on Scirpus maritimus rhizome and bulb material in areas affected by the Aznalco´ llar spill are shown to have elevated levels of arsenic in their feces, which may originate from arsenic rich iron plaque.
publishDate 2009
dc.date.none.fl_str_mv 2009
2011
2011
dc.type.none.fl_str_mv info:eu-repo/semantics/article
http://purl.org/coar/resource_type/c_6501
format article
dc.identifier.none.fl_str_mv http://hdl.handle.net/10261/38750
url http://hdl.handle.net/10261/38750
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
dc.relation.none.fl_str_mv http://www.sciencedirect.com/science/article/pii/S0269749108005526
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.publisher.none.fl_str_mv Elsevier
publisher.none.fl_str_mv Elsevier
dc.source.none.fl_str_mv reponame:DIGITAL.CSIC. Repositorio Institucional del CSIC
instname:Consejo Superior de Investigaciones Científicas (CSIC)
instname_str Consejo Superior de Investigaciones Científicas (CSIC)
reponame_str DIGITAL.CSIC. Repositorio Institucional del CSIC
collection DIGITAL.CSIC. Repositorio Institucional del CSIC
repository.name.fl_str_mv
repository.mail.fl_str_mv
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score 15,198674

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