RenardV1, Main, Exploration, bibRecord, 000776

Biomagnification of PBDEs in three small terrestrial food chains

Identifieur interne : 000776 ( Main/Exploration ); précédent : 000775; suivant : 000777

Biomagnification of PBDEs in three small terrestrial food chains

Auteurs : Stefan Voorspoels [Belgique] ; Adrian Covaci [Belgique] ; Veerle L. B. Jaspers [Belgique] ; Hugo Neels [Belgique] ; Paul Schepens [Belgique]

Source :

Environmental science & technology [ 0013-936X ] ; 2007.

RBID : Pascal:07-0131237

Descripteurs français

Pascal (Inist)
- Bioamplification, Retardateur flamme, Milieu terrestre, Chaîne alimentaire, Accumulation biologique, Brome Composé organique, Parus major, Apodemus sylvaticus, Clethrionomys glareolus, Phényle éther(polybromo).
Wicri :
- geographic : Belgique.

English descriptors

KwdEn :
- Analysis of Variance, Animals, Apodemus sylvaticus, Arvicolinae (metabolism), Belgium, Biological accumulation, Biomagnification, Bromine Organic compounds, Clethrionomys glareolus, Environmental Monitoring (statistics & numerical data), Environmental Pollutants (analysis), Environmental Pollutants (pharmacokinetics), Flame retardant, Food Chain, Gas Chromatography-Mass Spectrometry, Murinae (metabolism), Parus major, Passeriformes (metabolism), Phenyl Ethers (analysis), Phenyl Ethers (pharmacokinetics), Polybrominated Biphenyls (analysis), Polybrominated Biphenyls (pharmacokinetics), Terrestrial environment, Trophic chain.
MESH :
- chemical , analysis : Environmental Pollutants, Phenyl Ethers, Polybrominated Biphenyls.
- chemical , pharmacokinetics : Environmental Pollutants, Phenyl Ethers, Polybrominated Biphenyls.
- geographic : Belgium.
- metabolism : Arvicolinae, Murinae, Passeriformes.
- statistics & numerical data : Environmental Monitoring.
- Analysis of Variance, Animals, Food Chain, Gas Chromatography-Mass Spectrometry.

Abstract

Eight polybrominated diphenyl ethers (PBDE) congeners (IUPAC nos. 28, 47, 99, 100, 153, 154, 183, and 209) were measured in passerines (great tits - Parus major), wood mice (Apodemus sylvaticus), and bank voles (Clethrionomys glareolus). These data were combined with previously obtained data on PBDEs in common buzzards (Buteo buteo), sparrowhawks (Accipiter nisus), and red fox (Vulpes vulpes). This enabled estimation of the biomagnification potential of PBDEs in the following three terrestrial food chains: greattit-sparrowhawk, small rodents-buzzard, and small rodents-fox. Biomagnification of BDE 209 could not be assessed because levels of this congenerwere below the LOQ in the prey species. All other congeners, except BDE 28, were biomagnified in both predatory bird species. Biomagnification of BDE 28 could not be observed from rodents to buzzard. Biomagnification factors (BMFs) were calculated as the ratio between the lipid-normalized concentrations in the predator and in the prey. BMFs ranged from 2 to 34 for the sum of PBDEs in predatory bird food chain. Although the fox is a top-predator, this is not reflected in the PBDE concentrations that were measured in its tissues. In the small rodent-fox food chain, no biomagnification could be observed.This observation is most likely related to the high metabolic capacity of the fox with regard to organohalogens and should be taken into account when selecting species for environmental monitoring purposes. Not all top-predators will give a representative reflection of the pollution of their habitat, but confounding factors, such as metabolism, can influence the results to a great extent and can therefore lead to misinterpretations.

Affiliations:

Le document en format XML

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<term>Biological accumulation</term>
<term>Biomagnification</term>
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<term>Phenyl Ethers (pharmacokinetics)</term>
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<term>Polybrominated Biphenyls (pharmacokinetics)</term>
<term>Terrestrial environment</term>
<term>Trophic chain</term>
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<term>Phenyl Ethers</term>
<term>Polybrominated Biphenyls</term>
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<front><div type="abstract" xml:lang="en">Eight polybrominated diphenyl ethers (PBDE) congeners (IUPAC nos. 28, 47, 99, 100, 153, 154, 183, and 209) were measured in passerines (great tits - Parus major), wood mice (Apodemus sylvaticus), and bank voles (Clethrionomys glareolus). These data were combined with previously obtained data on PBDEs in common buzzards (Buteo buteo), sparrowhawks (Accipiter nisus), and red fox (Vulpes vulpes). This enabled estimation of the biomagnification potential of PBDEs in the following three terrestrial food chains: greattit-sparrowhawk, small rodents-buzzard, and small rodents-fox. Biomagnification of BDE 209 could not be assessed because levels of this congenerwere below the LOQ in the prey species. All other congeners, except BDE 28, were biomagnified in both predatory bird species. Biomagnification of BDE 28 could not be observed from rodents to buzzard. Biomagnification factors (BMFs) were calculated as the ratio between the lipid-normalized concentrations in the predator and in the prey. BMFs ranged from 2 to 34 for the sum of PBDEs in predatory bird food chain. Although the fox is a top-predator, this is not reflected in the PBDE concentrations that were measured in its tissues. In the small rodent-fox food chain, no biomagnification could be observed.This observation is most likely related to the high metabolic capacity of the fox with regard to organohalogens and should be taken into account when selecting species for environmental monitoring purposes. Not all top-predators will give a representative reflection of the pollution of their habitat, but confounding factors, such as metabolism, can influence the results to a great extent and can therefore lead to misinterpretations.</div>
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Biomagnification of PBDEs in three small terrestrial food chains

Biomagnification of PBDEs in three small terrestrial food chains

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Descripteurs français

English descriptors

Abstract

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

Le document en format XML

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