Trophic Transfer of Micropollutants and Their Metabolites in an Urban Riverine Food Web
Trophic magnification factors (TMFs, i.e., the average change in the log-concentration of a pollutant per trophic level) have been extensively assessed for the so-called persistent organic pollutants, especially organochlorine pesticides (OCPs) and polychlorinated biphenyls (PCBs), which are biomagn...
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| Veröffentlicht in: | Environmental science & technology 2020-07, Vol.54 (13), p.8043-8050 |
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| creator | Goutte, Aurélie Alliot, Fabrice Budzinski, Hélène Simonnet-Laprade, Caroline Santos, Raphaël Lachaux, Victor Maciejewski, Kevin Le Menach, Karyn Labadie, Pierre |
| description | Trophic magnification factors (TMFs, i.e., the average change in the log-concentration of a pollutant per trophic level) have been extensively assessed for the so-called persistent organic pollutants, especially organochlorine pesticides (OCPs) and polychlorinated biphenyls (PCBs), which are biomagnified along the food web. In contrast, trophic dilution was documented for pollutants with a high metabolic conversion rate, such as phthalate plasticizers and polycyclic aromatic hydrocarbons (PAHs). However, the fate of their metabolites across the food web has been rarely investigated. In this comparative study, the trophodynamics of 104 micropollutants and 25 of their metabolites were investigated in a freshwater food web from the urban Orge River, France. Trophic levels were determined using stable isotopes. Pyrethroid pesticides and their metabolites were not detected. As predicted, PCBs and OCPs biomagnified (TMF >1), while all chlorinated paraffins (CPs), PAHs, and phthalates underwent a trophic dilution (TMF |
| doi_str_mv | 10.1021/acs.est.0c01411 |
| format | Article |
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In contrast, trophic dilution was documented for pollutants with a high metabolic conversion rate, such as phthalate plasticizers and polycyclic aromatic hydrocarbons (PAHs). However, the fate of their metabolites across the food web has been rarely investigated. In this comparative study, the trophodynamics of 104 micropollutants and 25 of their metabolites were investigated in a freshwater food web from the urban Orge River, France. Trophic levels were determined using stable isotopes. Pyrethroid pesticides and their metabolites were not detected. As predicted, PCBs and OCPs biomagnified (TMF >1), while all chlorinated paraffins (CPs), PAHs, and phthalates underwent a trophic dilution (TMF <1). TMFs significantly decreased with a metabolic transformation rate and increased with hydrophobicity. The levels of PAH or phthalate metabolites were not significantly correlated with trophic levels or underwent a trophic dilution. This study highlighted that the relative contribution of metabolite levels in TMF values calculated for both parent compound and its metabolite(s) is weak compared to TMF values of the parent compound only in a riverine food web.</description><identifier>ISSN: 0013-936X</identifier><identifier>EISSN: 1520-5851</identifier><identifier>DOI: 10.1021/acs.est.0c01411</identifier><language>eng</language><publisher>Easton: American Chemical Society</publisher><subject>Bioaccumulation ; Comparative studies ; Contaminants in Aquatic and Terrestrial Environments ; Dilution ; Environmental Sciences ; Food ; Food chains ; Food webs ; Hydrophobicity ; Isotopes ; Levels ; Metabolism ; Metabolites ; Micropollutants ; Organic compounds ; Organochlorine pesticides ; Paraffins ; PCB ; Persistent organic pollutants ; Pesticides ; Phthalates ; Pollutants ; Polychlorinated biphenyls ; Polycyclic aromatic hydrocarbons ; Stable isotopes ; Trophic levels</subject><ispartof>Environmental science & technology, 2020-07, Vol.54 (13), p.8043-8050</ispartof><rights>Copyright American Chemical Society Jul 7, 2020</rights><rights>Distributed under a Creative Commons Attribution 4.0 International License</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-a413t-3ae4e78ad8e8ff898dec06f55b79101d4281351836638bba2a831069d9b140e03</citedby><cites>FETCH-LOGICAL-a413t-3ae4e78ad8e8ff898dec06f55b79101d4281351836638bba2a831069d9b140e03</cites><orcidid>0000-0001-7184-6327 ; 0000-0002-0276-582X ; 0000-0002-4800-5180 ; 0000-0001-5282-9011 ; 0000-0003-1028-9154</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://pubs.acs.org/doi/pdf/10.1021/acs.est.0c01411$$EPDF$$P50$$Gacs$$H</linktopdf><linktohtml>$$Uhttps://pubs.acs.org/doi/10.1021/acs.est.0c01411$$EHTML$$P50$$Gacs$$H</linktohtml><link.rule.ids>230,314,776,780,881,2752,27053,27901,27902,56713,56763</link.rule.ids><backlink>$$Uhttps://hal.science/hal-02874656$$DView record in HAL$$Hfree_for_read</backlink></links><search><creatorcontrib>Goutte, Aurélie</creatorcontrib><creatorcontrib>Alliot, Fabrice</creatorcontrib><creatorcontrib>Budzinski, Hélène</creatorcontrib><creatorcontrib>Simonnet-Laprade, Caroline</creatorcontrib><creatorcontrib>Santos, Raphaël</creatorcontrib><creatorcontrib>Lachaux, Victor</creatorcontrib><creatorcontrib>Maciejewski, Kevin</creatorcontrib><creatorcontrib>Le Menach, Karyn</creatorcontrib><creatorcontrib>Labadie, Pierre</creatorcontrib><title>Trophic Transfer of Micropollutants and Their Metabolites in an Urban Riverine Food Web</title><title>Environmental science & technology</title><addtitle>Environ. Sci. Technol</addtitle><description>Trophic magnification factors (TMFs, i.e., the average change in the log-concentration of a pollutant per trophic level) have been extensively assessed for the so-called persistent organic pollutants, especially organochlorine pesticides (OCPs) and polychlorinated biphenyls (PCBs), which are biomagnified along the food web. In contrast, trophic dilution was documented for pollutants with a high metabolic conversion rate, such as phthalate plasticizers and polycyclic aromatic hydrocarbons (PAHs). However, the fate of their metabolites across the food web has been rarely investigated. In this comparative study, the trophodynamics of 104 micropollutants and 25 of their metabolites were investigated in a freshwater food web from the urban Orge River, France. Trophic levels were determined using stable isotopes. Pyrethroid pesticides and their metabolites were not detected. As predicted, PCBs and OCPs biomagnified (TMF >1), while all chlorinated paraffins (CPs), PAHs, and phthalates underwent a trophic dilution (TMF <1). TMFs significantly decreased with a metabolic transformation rate and increased with hydrophobicity. The levels of PAH or phthalate metabolites were not significantly correlated with trophic levels or underwent a trophic dilution. 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| source | ACS Publications |
| subjects | Bioaccumulation Comparative studies Contaminants in Aquatic and Terrestrial Environments Dilution Environmental Sciences Food Food chains Food webs Hydrophobicity Isotopes Levels Metabolism Metabolites Micropollutants Organic compounds Organochlorine pesticides Paraffins PCB Persistent organic pollutants Pesticides Phthalates Pollutants Polychlorinated biphenyls Polycyclic aromatic hydrocarbons Stable isotopes Trophic levels |
| title | Trophic Transfer of Micropollutants and Their Metabolites in an Urban Riverine Food Web |
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