Organochlorine residues in south american sea lions, Otaria flavescens (Shaw, 1800): Bioaccumulation and time trends

dc.creatorBorrell, A.
dc.creatorGarcía Solá, A.
dc.creatorAguilar, A.
dc.creatorGarcia, Nestor Anibal
dc.creatorCrespo, Enrique Alberto
dc.date.accessioned2018-10-19T17:42:11Z
dc.date.accessioned2018-11-06T12:16:05Z
dc.date.available2018-10-19T17:42:11Z
dc.date.available2018-11-06T12:16:05Z
dc.date.created2018-10-19T17:42:11Z
dc.date.issued2010-06
dc.identifierBorrell, A.; García Solá, A.; Aguilar, A.; Garcia, Nestor Anibal; Crespo, Enrique Alberto; Organochlorine residues in south american sea lions, Otaria flavescens (Shaw, 1800): Bioaccumulation and time trends; Springer; Bulletin of Environmental Contamination and Toxicology; 84; 6; 6-2010; 731-737
dc.identifier0007-4861
dc.identifierhttp://hdl.handle.net/11336/62792
dc.identifier1432-0800
dc.identifierCONICET Digital
dc.identifierCONICET
dc.identifier.urihttp://repositorioslatinoamericanos.uchile.cl/handle/2250/1864983
dc.description.abstractBlubber from stranded South American sea lions (Otaria flavescens) was sampled between 1991 and 2005 on the Peninsula Valdés in Argentina and analyzed for organochlorine (OC) pollutants. Mean blubber concentrations, expressed on an extractable basis, were 686 (SD = 1,060) ng g -1 for dichlorodiphenyl trichloroethane (tDDT) and 735 (SD = 787) ng g -1 for polychlorinated byphenils (PCB). The OC levels were well below those associated with adverse sublethal effects and lethality in mammals. OC concentrations showed statistically significant associations with age that were positive in males and negative in females. These trends are consistent with the majority of marine mammal populations studied. There were no trends in the levels of tDDT or PCB over time. In spite of the low levels detected, OC contamination was present consistently over the 14-year period, suggesting continuous inputs from geographic redistribution.
dc.languageeng
dc.publisherSpringer
dc.relationinfo:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1007/s00128-010-0025-x
dc.relationinfo:eu-repo/semantics/altIdentifier/url/https://link.springer.com/article/10.1007%2Fs00128-010-0025-x
dc.rightshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.rightsinfo:eu-repo/semantics/restrictedAccess
dc.subjectDDT
dc.subjectOTARIA FLAVESCENS
dc.subjectPCB
dc.subjectPOLLUTION
dc.titleOrganochlorine residues in south american sea lions, Otaria flavescens (Shaw, 1800): Bioaccumulation and time trends
dc.typeArtículos de revistas
dc.typeArtículos de revistas
dc.typeArtículos de revistas


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