Environment: Study Shows That Marine Bacteria Can Biodegrade Oil in the Ocean; Fossil Fuel Spills Can Destroy Ecosystems

Written by Fabio Lucas Carvalho

Published on 13/08/2021 at 12:38

Meio ambiente: Estudo mostra que bactérias marinhas são capazes de biodegradar petróleo no mar; derramamento de combustíveis fósseis pode destruir ecossistemas

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Canadian Study Shows That Marine Bacteria Are Capable of Biodegrading Oil in Seawater

Both offshore oil extraction and the transportation of large oil cargoes by ships are safe; however, the risk of accidents exists. The spillage of fossil fuels into the sea can cause irreversible damage to entire ecosystems. The good news is that a Canadian study showed that marine bacteria can biodegrade oil and diesel spilled into the water.

When these fossil fuels fall into the water, as occurred in the oil spill in the Gulf of Mexico in 2010, extraction is extremely time-consuming, expensive, and nearly impossible to completely remove the oil from the water.

Aerial Image of the Explosion in the Gulf of Mexico in 2010. Photo: Stock Photo, Freeimagem.com

A Canadian study showed that marine bacteria are capable of biodegrading oil in water. The study Biodegradation of Diesel and Crude Oil by Cold-Adapted Microbial Communities in the Labrador Sea, which was published in Applied and Environmental Microbiology, is very encouraging and shows that these enormous environmental damages could be minimized.

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The study also discovered a new group of bacteria that are capable of biodegrading fossil fuels in the sea. It was also confirmed that by adding nutrients, the biodegradation process of oil on the water is accelerated.

The study took place at the Coast of Labrador, Canada. The intention was to understand how the process works in the cold and isolated waters of the planet: “These permanently cold waters are witnessing increasing industrial activity related to maritime transport and offshore oil and gas operations.”

The study was conducted using bottles, where water and sea sediment were mixed. Soon after, diesel or crude oil was added, along with nutrients and other additives to determine the best combination.

Environment: Study Shows That Marine Bacteria Can Biodegrade Oil in the Ocean; Fossil Fuel Spills Can Destroy Ecosystems

Canadian Study Shows That Marine Bacteria Are Capable of Biodegrading Oil in Seawater

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