| oil biodegradation and oil-degrading microbial populations in marsh sediments impacted by oil from the deepwater horizon well blowout. | to study hydrocarbon biodegradation in marsh sediments impacted by macondo oil from the deepwater horizon well blowout, we collected sediment cores 18-36 months after the accident at the marshes in bay jimmy (upper barataria bay), louisiana, united states. the highest concentrations of oil were found in the top 2 cm of sediment nearest the waterline at the shorelines known to have been heavily oiled. although petroleum hydrocarbons were detectable, macondo oil could not be identified below 8 cm ... | 2015 | 26091189 |