Impact of the Oil Extraction in Ecosystems in Ecuador: A Study of the Contamination with Polycyclic Aromatic Hydrocarbons (PAHs) in Fish Exposed to the Oil Exploitation Activities in Shushufindi, Sucumbíos, Ecuador

By Florinella Muñoz Bisesti, Ramiro Barriga Salazar, María José Cabrera Chauca, Edison Vera Sánchez and Christian Danny López Carrión.

Published by The Sustainability Collection

Format Price
Article: Print $US10.00
Article: Electronic $US5.00

Fish are visible members of aquatic communities that are vulnerable to contamination with polycyclic aromatic hydrocarbons (PAHs). Fish can have complicated life cycles and behavior. They can be exposed to PAH-contaminated sediments and water by a variety of routes, including respiration; ingestion of food, sediment, and detritus; and dermal absorption. This investigation involves a preliminary assessment of the sixteen PAHs issued by the United Stations Environmental Protection Agency (U.S. EPA) that were identified in entrails and muscles of fish affected by the oil exploitation in Shushufindi, Sucumbíos Province, Ecuador. The PAHs were extracted from the matrix, concentrated, purified by florisil column and analyzed using Gas Chromatography/Mass Spectrometry GC/MS. Three different sampling places were selected. Also, the collected fish were classified according their feeding behavior. Additionally, the contents of PAHs in the sediments to establish a relation between the contamination level in fishes and their feeding behavior were analyzed. This information and the knowledge about the food habits of the population in Shushufindi can show the possible contamination of the people from this zone.

Keywords: Polycyclic Aromatic Hydrocarbons, Fish, Oil Contamination, Hydrocarbon Contamination, Biomarkers

The International Journal of Environmental, Cultural, Economic and Social Sustainability, Volume 6, Issue 4, pp.209-220. Article: Print (Spiral Bound). Article: Electronic (PDF File; 3.366MB).

Dr. Florinella Muñoz Bisesti

Head of Nuclear Science Department, Nuclear Science Department, Faculty of Chemical and Agroindustry Engineering, Escuela Politécnica Nacional, Quito, Ecuador

Dr. Florinella Muñoz Bisesti is chemical engineer and PhD in natural sciences. She is Head of Nuclear Science Department since 2002 and she did some research works in the applications of ozone in water treatment, irradiation food and in the analysis of organic contaminants. She is teacher of Organic Chemistry in the Faculties of Chemical and Agroindustry Engineering and Environmental Engineering at Escuela Politécnica Nacional in Quito, Ecuador.

Dr. Ramiro Barriga Salazar

Researcher, Biologic Sciences Department, Escuela Politécnica Nacional, Quito, Ecuador

María José Cabrera Chauca

Nuclear Science Department, Faculty of Chemical and Agroindustry Engineering, Escuela Politécnica Nacional, Quito, Ecuador

Edison Vera Sánchez

Nuclear Sciences Department, Faculty of Chemical and Agroindustry Engineering, Escuela Politécnica Nacional, Quito, Ecuador

Christian Danny López Carrión

Escuela Politécnica Nacional, Quito, Ecuador


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