Quantcast

Toxic Chemicals Banned in 70s Found in Deep Ocean Creatures

Popular
Photo credit: Uwe Kils / Wikimedia Commons

English researchers have discovered an alarming amount of toxic pollution in the bodies of amphipods living in the deep sea trenches of the Pacific Ocean. The research team from Newcastle University, the James Hutton Institute and the University of Aberdeen caught and tested small crustaceans in the Mariana and Kermadec trenches, which reach about 30,000 feet deep.


Map of the Mariana TrenchFree World Maps

Dr. Alan Jamieson led the team and is lead author of the study, Bioaccumulation of persistent organic pollutants in the deepest ocean fauna, which was published online in the journal Nature Ecology & Evolution in February.

"Here we identify extraordinary levels of persistent organic pollutants in the endemic amphipod fauna from two of the deepest ocean trenches … " the study abstract states. The study also explains that the creatures tested contained more pollutants than similar crustaceans from some of the earth's most polluted waters, including China's Liaohe River and Japan's Suruga Bay.

The amphipods held "10 times the level of industrial pollution than the average earthworm," a Newcastle press release stated.

The researchers employed remotely-operated vehicles to trap the amphipods.

"We still think of the deep ocean as being this remote and pristine realm, safe from human impact, but our research shows that, sadly, this could not be further from the truth," Jamieson said. The study "really brings home the long term, devastating impact that mankind is having on the planet," he added.

Some of the chemicals found have been banned since the 1970s, including polybrominated diphenyl ethers (PBDEs) and polychlorinated biphenyls (PCBs). PBDEs were used as flame retardants and PCBs as electrical insulators and unfortunately, more than one million tons were produced before the ban.

These chemicals are known as Persistent Organic Pollutants and are highly resistant to natural deterioration. The research team speculates that the creatures tested may have eaten plastic debris or polluted animal carcasses that sunk into the trenches.

The team plans to explore what these findings mean for the wider ecosystem and determine how, if possible, to avoid further damage to this deep-sea habitat.

EcoWatch Daily Newsletter

In this Oct. 7 handout photo from the Aracaju Municipal Press Office, workers are removing oil from Viral Beach, in Aracaju, Brazil. The spill has been polluting Brazil's beaches since early September. Aracaju Municipal Press Office / AP

More than 1,000 miles of shoreline in Brazil are now contaminated by a mysterious oil spill. that has lasted for weeks as the country struggles to clean what may be its largest oil spill in history.

Read More Show Less
Sunset with crepuscular rays over downtown Miami as seen from Miami Beach, Florida. Diana Robinson / Flickr / CC BY-NC-ND 2.0

Youth activists rallying in front of Miami Beach's City Hall successfully campaigned for the coastal city to declare a climate emergency, the Miami Herald reported.

Read More Show Less
Sponsored
Nitrogen dioxide and nitrogen oxides, the pollutants released by diesel vehicles are a major source of air pollution in London. Jack Taylor / Stringer / Getty Images

On days where air pollution is higher, hundreds of people across nine major cities in England are suffering from more potentially fatal cardiac arrests or heading to the hospital for strokes or severe asthma attacks, according to new research from King's College in London.

Read More Show Less
A diet high in fish and vegetables can help keep your gut healthy. Linda Raymond / E+ / Getty Images

By Heather Cruickshank

Trillions of bacteria and other microbes live in the human digestive system. Together, they form a community that's known as the gut microbiota.

Many bacteria in the microbiota play important roles in human health, helping to metabolize food, strengthen intestinal integrity and protect against disease.

Read More Show Less
The message of the global movement to ban fracking and get off fossil fuels envisions a different future, one that starts with cutting off pollution at the source. cta88 / iStock / Getty Images Plus

By Wenonah Hauter

Donald Trump's scheduled visit to a fracking industry gathering in Pittsburgh this week is a hugely symbolic moment for the 2020 election campaign, as well as the urgent battle to contain climate catastrophe.

Read More Show Less
Sponsored
Animals most targeted by the fur industry include minks, foxes and rabbits. Hal Trachtenberg / Flickr / CC BY-NC 2.0

Macy's announced Monday that it will stop selling fur by 2021, The New York Times reported.

Read More Show Less
A young fingerling Chinook salmon leaps out of the water at Pillar Point Harbor in Half Moon Bay, California on May 16, 2018. Justin Sullivan / Getty Images

The Trump administration is rolling back protections for endangered California fish species, a move long sought by a group of wealthy farmers that Interior Secretary David Bernhardt continued to lobby for months before he began working for the administration, The New York Times reported Tuesday.

Read More Show Less

By Gretchen Goldman

The Independent Particulate Matter Review Panel has released their consensus recommendations to the EPA administrator on the National Ambient Air Quality Standards for Particulate Matter. The group of 20 independent experts, that were disbanded by Administrator Wheeler last October and reconvened last week, hosted by the Union of Concerned Scientists, has now made clear that the current particulate pollution standards don't protect public health and welfare.

Read More Show Less