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Journal of Environmental Biology

pISSN: 0254-8704 ; eISSN: 2394-0379 ; CODEN: JEBIDP

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    Abstract - Issue Jan 2014, 35 (1)                                     Back


nstantaneous and historical temperature effects on a-pinene

Petroleum hydrocarbons, fluorescent aromatic compounds in fish bile and organochlorine pesticides from areas surrounding the spill of the Kab121 well, in the Southern Gulf of Mexico : A case study

 

G. Gold-Bouchot*, V. Ceja-Moreno, E. Chan-Cocom and O. Zapata-Perez

Departamento de Recursos del Mar, Centro de Investigaci?n y Estudios Avanzados del Instituto Polit?cnico Nacional,

P.O. Box 73 Cordemex, C.P. 97310 M?rida, Yucat?n, M?xico

*Corresponding Author E-mail : gerardo.gold.bo@gmail.com

 

 

 

 Publication Data

Paper received:

6 December 2012

 

Revised received:

14 July 2013

 

Accepted:

05 September 2013

 

Abstract

 

In October 2007, a light crude oil spill took place in the off shore Kab121 oil well, 32 km north of the mouth of the Grijalva River, Tabasco, Mexico. In order to estimate the possible effects of oil spill on the biota in the area surrounding the spilled well, the level of different fractions of petroleum hydrocarbons were measured in fish, as well as the concentration of some chlorinated hydrocarbons and PCBs. The organisms examined were cat fish (Ariopsis felis), in addition fluorescent aromatic compounds in bile, the contaminants above mentioned and their relationship with cyotochrome P-450 and Ethoxyresorufin-O-deethylase, Glutathion-S-Transferase and catalase activities in liver were determined. The concentration of most pollutants were low, except PAHs. Spatial distribution of these compounds, as well as most biomarkers, reflected the highest exposure of fish to pollutants in the area adjacent to well, as well as in the proximity of rivers. The profile of exposure to this environment was chronic in nature and not temporary.

 

Key words

 

Ariopsis felis, Biomarkers, Oil pollution, PCB

 

 

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