A new study in the North Pacific Garbage Patch indicates a rapid increase in small plastic fragments, outpacing the accumulation of larger plastics and posing significant risks to marine ecosystems and the global carbon cycle.
A new study published today (November 19) in Environmental Research Letters reveals that centimeter-sized plastic fragments are increasing at a much faster rate than larger plastics in the North Pacific Garbage Patch (NPGP). This surge poses significant threats to the local ecosystem and could even disrupt the global carbon cycle.
The research, based on systematic surveys conducted by the nonprofit organization The Ocean Cleanup from 2015 to 2022, uncovered an unexpected rise in the mass concentration of plastic fragments. These fragments appear to be new arrivals to the region rather than the result of degradation of plastics already present. Researchers suggest these fragments are the result of decades-old plastic waste, discarded worldwide, breaking down and accumulating exponentially in this remote area of the Pacific Ocean.
Extensive Data Analysis and Key Insights
The study examines 917 manta trawl samples, 162 mega trawl samples, 74 aerial surveys, and 40 cleanup system extractions from 50 individual expeditions between 2015 and 2022.
Key findings include:
- Plastic fragments rose from 2.9kg per km2 to 14.2kg per km2 in 7 years
- 74% – 96% of this rise may originate from foreign sources.
- Small debris hotspots increased in concentration from 1 million per km2 in 2015 to over 10 million per km2 in 2022
- Per km2, the average number of every size class of floating plastics has significantly increased:
- Microplastics (0.5mm-5mm) rose from 960,000 to 1,500,000 items
- Mesoplastics (5mm-50mm) rose from 34,000 to 235,000 items
- Macroplastics (50mm-500mm) rose from 800 to 1,800 items per km2
Impact on Marine Ecosystem and Global Carbon Cycle
The volume of plastic debris in the region surpasses that of living organisms, threatening the ecosystem not only by the ingestion or entanglement of plastic by marine life, but also potentially impacting the global carbon cycle because of zooplankton grazing affected by the presence of floating microplastics. Due to the increase in floating plastics, endemic marine animals are now in direct competition with new species that have colonized plastic debris and drifted to this remote part of the ocean.
Urgent Call for Global Action
Laurent Lebreton, lead author of the paper says: “The exponential rise in plastic fragments observed in our field studies is a direct consequence of decades of inadequate plastic waste management, leading to the relentless accumulation of plastics in the marine environment. This pollution is inflicting harm on marine life, with impacts we are only now beginning to fully grasp. Our findings should serve as an urgent call to action for lawmakers engaged in negotiating a global treaty to end plastic pollution. Now, more than ever, decisive and unified global intervention is essential.”
The researchers emphasize that, while countries are prioritizing upstream plastic pollution prevention, the interception and removal of already present plastics from the global marine environment is essential to urgently mitigate the generation of increasingly smaller plastic fragments in the ocean for decades to come.
Reference: “Seven years into the North Pacific garbage patch: legacy plastic fragments rising disproportionally faster than larger floating objects” by Laurent Lebreton, Robin de Vries, Yannick Pham, Helen Wolter, Marjolein van Vulpen, Peter Puskic, Bruno Sainte-Rose, Sarah-Jeanne Royer and Matthias Egger, 19 November 2024, Environmental Research Letters.
DOI: 10.1088/1748-9326/ad78ed
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18 Comments
TL;DR
China and India have been throwing their trash into the ocean for a long time and still do.
In more news, water is wet. Film at 11.
A large amount of the plastic that you attribute to those countries is actually YOUR recycling. Everyone of us on the frontiers of the fight to reduce plastic pollution pray everyday that the data we are seeing is wrong but it just keeps being re-affirmed, proved right or exceeding previous predictions. Dismissing this crisis is only endangering you and your family. Please please keep trying to prove us wrong I hope you succeed but whatever you do, don’t just dismiss this as NORMAL, every drop of plastic in the ocean is from humans, does it really matter what color their skin is or what language they speak? The danger is to LIFE itself.
lol! Not. It’s those third-world countries’ garbage. Either that or you envirowackos are pulling off the biggest scam in human history.
THIS is where Elon Musk and other billionaires need to be putting their money. This affects everyone in the world in every way. Screw fricken Mars! We need to fix the planet we live on NOW! Before all wonderful marine life, fish are dying and we won’t be far behind! Come on billionaires! Your geniuses! Use your money to save all of us!
Bear with me here.
China has [basically] stopped taking US plastic recycling wastes, as they had done for years. (Sometimes at low cost, and sometimes even being paid to do so)
If you don’t think that they hadn’t already figured out a way to make money off of us, then “I’ve got a bridge to sell you”.
Don’t get me wrong here — most Chinese people I’ve known are wonderful – intelligent, thoughtful, and honorable – but also cautious and sometimes difficult to gain their trust.
That said, the PRC government, structure, and control is rather frightful. I would be surprised at all if they’re sending out their ‘notorious’ fleets with loads of our [“recycled”] shredded plastics in their empty holds, dumping them in the central Pacific, and then fishing all the way back home (oe to a processing ship – rinse and repeat).
I’ve seen too much in my years and that matches up with Occam’s Razor. 😐😑
Occam Razor is NOT coming up with the most ludicrous explanation and then going with it.
Meanwhile, the “good old” US of A is planning to dump the entire International Space Station at the bottom of the ocean in a couple of years, with all the poisonous sh!t that will still be in it. And it’s military is the biggest single polluter on the planet.
But yeah, bark at China…
They’re not responsible for the plastic, you dunce. They’re the #1 polliter of greenhouse gases. God you people are thick in the head. This article is about plastics. So YEAH! BARK AT CHINA!!!!
Polluter
So they’ve stopped taking out plastic, but are also dumping our plastic? Brilliant. Anyway, the garbage in the ocean ORIGINATES from Asian countries, not the US. We know this. You don’t think the leftist, lunatic activists wouldn’t KILL to be able to blame the US. How does that f*coming match up to Occam’s Razor? The simplest explanation is the plastic is coming from Asian countries. Your plastic conspiracy theory goes against Occam’s Razor, you dimwit.
Calm down, you lunatic. No billionaire owes anyone anything. Get your psychotic friends together and do it yourself. Oh, you won’t? No sh**. People like you just sit around on your a**es waiting for someone else to do something. You’re pathetic. Also, these doom predictions have been occurring every few days, for decades. This is all speculation as to the dangers this supposedly brings. This article doesn’t even have the honesty to put an ACTUAL picture of the “garbage patch.” Fish are not dying because of this. Marine life will not disappear. You’ve been so brainwashed. “Oh, but the scientists said so.” Yeah, some have. Some haven’t. The media reports the doom. They don’t report the same people saying calm down, it’s not as bad as you think. And you believe that what you hear in the news and in these articles is reality. Your a low IQ know nothing, sadly.
Few people are capable of expressing with equanimity opinions which differ from the prejudices of their social environment. Most people are incapable of forming such opinions.
Albert Einstein
Don’t worry JoeD when you catch up with the rest of us we will still welcome you, feed you and shelter you…
PLEASE POST ANY SCIENTIFIC PAPERS YOU HAVE READ ABOUT THIS BEING FALSE… I WOULD LOVE TO READ THEM..LMAO
How about your beloved celebrities?
Likely coming in from the Indian oceans… They have no waste management. It matters not how much we strive to keep the oceans clean here in America. Because countries with no waste management are polluting constantly unchecked. Until it’s too late or in the garbage patch.
Yep it’s like basically a winding straight shot from there to the Pacific garbage patch. We should be charging them for the cost of clean up. It’s truly sickening to think about. The lack of concern is overwhelming, it literally sickens me to search anything about pollution in foreign countries… Seriously
Yep it’s like basically a winding straight shot from there to the Pacific garbage patch. We should be charging them for the cost of clean up. It’s truly sickening to think about. The lack of concern is overwhelming, it literally sickens me to search anything about pollution in foreign countries… Seriously
The people of the world can not agree to much. It’s are falt, there fort the people’s problem if not at least as a species
I expect SciTechDaily to provide scientifically accurate articles, not generate fake images of The North Pacific Garbage Patch. It isn’t an island of garbage. Lowering my opinion of SciTechDaily articles.