IIMYC   23581
INSTITUTO DE INVESTIGACIONES MARINAS Y COSTERAS
Unidad Ejecutora - UE
artículos
Título:
Persistent organic pollutants (POPs) in fish with different feeding habits inhabiting a shallow lake ecosystem
Autor/es:
ONDARZA P.M.; MEIJIDE F; LO NOSTRO F.; GONZALEZ M.; GROSMAN F.; MIGLIORANZA K.S.B.; SILVA BARNI F.; DA CUÑA R.; SANZANO P
Revista:
SCIENCE OF THE TOTAL ENVIRONMENT
Editorial:
ELSEVIER SCIENCE BV
Referencias:
Lugar: Amsterdam; Año: 2016 vol. 550 p. 900 - 909
ISSN:
0048-9697
Resumen:
The occurrence of persistent organic pollutants (POPs) in the environment can affect organisms inhabitingaquatic systems, in particular shallow lakes that are vulnerable to environmental stressors. This studyaimed to assess POPs accumulation and changes at histological and physiological levels in tissues of threefish species with different trophic habits. Gills, brain, muscle, liver and gonads of Odontesthes bonariensis,Oligosarcus jenynsii and Cyphocharax voga were collected from the shallow lake La Peregrina, located inan agricultural area from Argentina. In addition, contaminant levels in surface water (SW), suspended particulatematter(SPM) and bottomsediments (BS) were assessed. Histological lesions were evaluated in fishtissues and levels of vitellogenin (VTG) were assessed in plasma of male fish in order to correlate these alterationswith the presence of POPs in the environment. Organochlorine pesticides (OCPs), polychlorinatedbiphenyls (PCBs) and polybrominated diphenyl ethers (PBDEs) were determined by GC-ECD. Biotic and abioticsamples showed the same POPs distribution pattern: OCPs N PCBs N PBDEs. Although tissue distributionof OCPs was species-specific, muscle showed the lowest levels in all species. The most abundant contaminantswere endosulfans, suggesting their widespread use in the area. O. bonariensis showed the highest