The roles of food and water in the bioaccumulation of organochlorine compounds in high mountain lake fish
7 pages, 4 figures, 5 tables.-- PMID: 15382852 [PubMed].-- Printed version published Aug, 15, 2004.
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| Format: | artículo biblioteca |
| Language: | English |
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American Chemical Society
2004-07-15
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| Subjects: | Organochlorine compounds, PCBs, Organic Pollutants, Food web, High mountain lakes, |
| Online Access: | http://hdl.handle.net/10261/16593 |
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dig-idaea-es-10261-165932020-07-03T12:19:49Z The roles of food and water in the bioaccumulation of organochlorine compounds in high mountain lake fish Catalán, Jordi Ventura, Marc Vives, Ingrid Grimalt, Joan O. Organochlorine compounds PCBs Organic Pollutants Food web High mountain lakes 7 pages, 4 figures, 5 tables.-- PMID: 15382852 [PubMed].-- Printed version published Aug, 15, 2004. An integrated study encompassing the distribution of organochlorine compounds (OC) in water, food web (chironomids, terrestrial insects, cladocerans, mollusks, and cyanobacteria), and fish (brown trout) from a high mountain lake (Redon, Pyrenees) is reported. OC distributions in these compartments have been determined to assess their transport routes into fish. Food diets have been estimated by analysis of fish stomach content and food web stable isotopes (δ13C and δ15N). OCs with octanol−water partition coefficient (Kow) higher than 106 showed lower concentra tions in food than expected from theoretical octanol−water partition, indicating that the distribution of these compounds does not reach equilibrium within the life span of the food web organisms (ca. 1 year). On the other hand, the degree of biomagnification in fish increased with Kow, except in the case of the largest compound analyzed (seven chlorine substituents, PCB #180). OC exchange at fish gill and gut has been evaluated using a fugacity model based on the water, food, and fish concentrations. All compounds exhibited a net gill loss and a net gut uptake. A pseudostationary state was only achieved for compounds with log(Kow) < 6. Calculation of fish average residence times for the compounds in apparent steady state gave values of days to a few weeks for HCHs, 1 year for HCB and 4,4‘-DDE, and 2−3 years for 4,4‘-DDT and PCB#28 and PCB#52. Residence times longer than one decade were found for the more chlorinated PCB. Financial support from the EU projects EUROLIMPACS (GOCE-CT-2003-505540) and EMERGE (EVK1-CT-1999-00032) and ACA-CIRIT (Generalitat de Catalunya). Peer reviewed 2009-09-03T07:53:21Z 2009-09-03T07:53:21Z 2004-07-15 artículo http://purl.org/coar/resource_type/c_6501 Environmental Science and Technology 38(16): 4269-4275 (2004) 0013-936X http://hdl.handle.net/10261/16593 10.1021/es040035p en http://dx.doi.org/10.1021/es040035p none 22195 bytes application/pdf American Chemical Society |
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Organochlorine compounds PCBs Organic Pollutants Food web High mountain lakes Organochlorine compounds PCBs Organic Pollutants Food web High mountain lakes |
| spellingShingle |
Organochlorine compounds PCBs Organic Pollutants Food web High mountain lakes Organochlorine compounds PCBs Organic Pollutants Food web High mountain lakes Catalán, Jordi Ventura, Marc Vives, Ingrid Grimalt, Joan O. The roles of food and water in the bioaccumulation of organochlorine compounds in high mountain lake fish |
| description |
7 pages, 4 figures, 5 tables.-- PMID: 15382852 [PubMed].-- Printed version published Aug, 15, 2004. |
| format |
artículo |
| topic_facet |
Organochlorine compounds PCBs Organic Pollutants Food web High mountain lakes |
| author |
Catalán, Jordi Ventura, Marc Vives, Ingrid Grimalt, Joan O. |
| author_facet |
Catalán, Jordi Ventura, Marc Vives, Ingrid Grimalt, Joan O. |
| author_sort |
Catalán, Jordi |
| title |
The roles of food and water in the bioaccumulation of organochlorine compounds in high mountain lake fish |
| title_short |
The roles of food and water in the bioaccumulation of organochlorine compounds in high mountain lake fish |
| title_full |
The roles of food and water in the bioaccumulation of organochlorine compounds in high mountain lake fish |
| title_fullStr |
The roles of food and water in the bioaccumulation of organochlorine compounds in high mountain lake fish |
| title_full_unstemmed |
The roles of food and water in the bioaccumulation of organochlorine compounds in high mountain lake fish |
| title_sort |
roles of food and water in the bioaccumulation of organochlorine compounds in high mountain lake fish |
| publisher |
American Chemical Society |
| publishDate |
2004-07-15 |
| url |
http://hdl.handle.net/10261/16593 |
| work_keys_str_mv |
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| _version_ |
1777669156995334144 |