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Results and evaluation of the first study of organochlorine contaminants (PCDDs, PCDFs, PCBs and DDTs), heavy metals and metalloids in birds from Baja California, México

AuthorsJiménez, Begoña; Rodríguez-Estrella, Ricardo; Merino, Rubén; Gómez, María Gema; Rivera, Laura; González, María J.; Abad Holgado, Esteban; Rivera Aranda, Josep
Heavy metals
Common ground dove
House sparrow
Issue DateJan-2005
CitationEnvironmental Pollution 133(1): 139-146 (2005)
AbstractOrganochlorine compounds (OCs) including polychlorinated dibenzo-p-dioxins (PCDDs), dibenzofurans (PCDFs), polychlorinated biphenyls (PCBs) and 1,1-dichloro-2,2-bis(p-chlorophenyl)ethylene (p-p′-DDE), heavy metals (Pb, Cd, Zn, Cu), and arsenic were measured in house sparrows (Passer domesticus) and common ground doves (Columbina passerina) from Baja California Sur, México. Concentrations of PCDD/Fs were low, with 21 pg/g for house sparrows, and 7.7 pg/g for common ground doves. Non-ortho-PCB concentrations in house sparrow and common ground doves were 58 and 254 pg/g, respectively, and are within the highest concentrations reported in species that are in the low levels of food webs. The major differences in organochlorine levels between species were found for ortho-PCBs and DDTs. ortho-PCB levels were higher in the seedeater species, whereas DDT levels were higher in the omnivorous species. Heavy metal levels were far below those associated with negative effects.
Description8 pages, 2 figures, 1 table.-- PMID: 15327864 [PubMed].-- Available online Jul 31, 2004.
Publisher version (URL)http://dx.doi.org/10.1016/j.envpol.2004.05.014
Appears in Collections:(IQOG) Artículos
(IDAEA) Artículos
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