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Pacific Ocean Floor Is A Huge Underwater Garbage Dump

Pacific Ocean Floor Is A Huge Underwater Garbage Dump

It’s old news that plastic bags, aluminum cans and fishing debris not only clutter our beaches, but accumulate in open-ocean areas such as the “Great Pacific Garbage Patch” (basically a giant†vortex of plastic soup, roughly twice the size of Texas.)

So much for the myth of the beautiful, natural ocean, stretching off towards the horizon.

Now, a paper by researchers at the Monterey Bay Aquarium Research Institute (MBARI) shows that trash is also accumulating in the deep sea, particularly in Monterey Canyon, off the coast of California.

The horrific report was produced using over 18,000 hours of footage from deep sea remotely-operated vehicles, over a period of 22 years; cameras examined the ocean floor as deep as 13,000 feet and found human-made garbage everywhere.

The Pacific Ocean, which for many carries connotations of beauty and romance, is in fact a huge underwater garbage dump.

Kyra Schlining, lead author on this study, said, “We were inspired by a fisheries study off Southern California that looked at seafloor trash down to 365 meters. We were able to continue this search in deeper wateródown to 4,000 meters. Our study also covered a longer time period, and included more in situ observations of deep-sea debris than any previous study I’m aware of.”

Deep sea vehicles viewed dive sites all along the West Coast from the Gulf of California to Vancouver Island and all around the Hawaiian Islands. They found the worst accumulation of plastic, metal, fishing debris and other trash lay in Monterey Canyon off the California coast.

However, rather than finding random piles of trash all across the Pacific seafloor, researchers discovered that debris accumulates mostly in deep sea slopes and rocky areas.

“I was surprised that we saw so much trash in deeper water. We don’t usually think of our daily activities as affecting life two miles deep in the ocean,” said lead author of the study Kyra Schlining. “I’m sure that there’s a lot more debris in the canyon that we’re not seeing. A lot of it gets buried by underwater landslides and sediment movement. Some of it may also be carried into deeper water, farther down the canyon.”

How Does Garbage Affect Ocean Life?

There is already evidence that the Great Pacific Garbage Patch causes real problems for members of the ocean ecosystem, both above and below the surface.

In addition to killing birds and fish who try to eat it, new research suggests that the floating trash is†giving a certain variety of marine insect an ideal place to breed out on the open ocean, and this could have a big impact on the environment at the surface of the ocean.

In the deep sea environment, the Monterey Bay research team found plastic was the most common material found. Of the plastic items, about half were plastic grocery bags. These increasingly controversial items can choke and smother animals.

Metal objects were the second most common. Of them, about two thirds were aluminum, steel or tin cans. Discarded fishing equipment was also commonly observed, along with glass bottles, papers, cloth and even a shipping container that fell off a ship in 2004. Inside the container are over 1,000 steel-belted tires.

The impacts of deep-sea trash may last for years. Near-freezing water, lack of sunlight, and low oxygen concentrations discourage the growth of bacteria and other organisms that can break down debris. Under these conditions, a plastic bag or soda can might persist for decades.

With the cost of removing all this trash prohibitively expensive, Schlining wants to use this information to educate people on the importance of not introducting litter into the marine environment.

Los Angeles Bans Plastic Bags

To this end, several cities and counties have banned free plastic bags, and Los Angeles became the biggest city in the country to ban free plastic bags in grocery stores. Shoppers in the city will have to tote their own bags, or pay 10 cents each for paper bags.

About $2 million a year is spent to clean up plastic bag litter in Los Angeles, where an estimated 228,000 bags are distributed every hour.

On the downside, even though Bette Midler was at the California Senate, leading a star-studded fight against the use of plastic bags in California supermarkets, the bill fell three votes short of the tally needed for passage.

If you are as disgusted as I am by the knowledge that we are creating huge piles of garbage in our oceans, please make sure you don’t litter our beaches with plastic bags, or anything else.

We can make a difference.

 

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Photo Credit: thinkstock

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138 comments

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9:51AM PDT on Sep 8, 2013

Any government or corporate slime that doesn't address this issue which is destroying the earth head on should be thrown out on his ear burned at the stake

6:25AM PDT on Jul 30, 2013

thanks for sharing

10:39AM PDT on Jul 10, 2013

It is horrible what all the slops are doing to the ocean.

10:48AM PDT on Jul 8, 2013

I'm surprised the Gulf of Mexico isn't a big garbage dump...

5:30AM PDT on Jul 8, 2013

Jeez! Now I want to go down there and see what's there, could be vintage treasures in that trash!

12:33AM PDT on Jul 8, 2013

ужасно, что мы загадили так планету и передали своим детям свалку мусора. поменять мышление человека не гадить там где он живет очень трудно. может быть будущие технологии уничтожения мусора позволят человечеству надеяться на лучшее?

6:08PM PDT on Jul 7, 2013

How sad and we are getting a new wal mart here so every stream in our city will have one clogging the trees and water leading to the Kansas river all the way to the gulf of mexico.

2:15AM PDT on Jul 7, 2013

Bloody hell what a disgrace!

3:30AM PDT on Jul 6, 2013

Thank you for sharing

6:52PM PDT on Jul 5, 2013

And this is why we need to ban plastic bags:
http://www.thepetitionsite.com/745/558/413/save-sea-turtles-reduce-plastic-bag-use/

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