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Microplastics in the World Oceans and Strategies for Their Control Universal reviews have revealed high concentrations (> 1 6 billion to 170 trillion particles) of MPs particularly in the marine waters of the Pacific (PO), Atlantic (AO), and Indian Oceans (IO), followed by the Arctic Ocean (ArO) and rarely in the Antarctic (AnO)
How Microplastics are Changing the Oceans In the oceans, sunlight, wind, waves, and other forms of weathering rapidly break plastic items up into microplastics and even smaller nanoplastics Roughly 170 trillion plastic particles, weighing 2 3 million metric tons, now circulate the ocean’s surface waters alone
Microplastics in the Ocean: A Big Growing Concern Microplastics in the ocean significantly impact aquatic ecosystems, harming fish, seabirds, invertebrates, and marine species Studies have shown 69% of marine organisms (e g , fish, cephalopods, and crustaceans) consumed by humans contain microplastic particles in their digestive systems
Mapping Marine Microplastics - Science@NASA About 8 million tons of plastic flow from rivers and beaches into the ocean every year These plastics are carried by ocean currents and broken down by waves and sunlight into small microplastics Much of that debris collects in the calm centers of ocean gyres in large floating garbage patches The Great Pacific Garbage Patch, between California and Hawaii, is the most well-known because a lot
Microplastics in the Ocean: How They Sink and Affect Marine Life Microplastics in the ocean have emerged as one of the most pressing environmental concerns of the 21st century These tiny plastic fragments, smaller than 5 millimeters, result from the breakdown of larger plastic debris and are increasingly found throughout marine ecosystems
The Untold Impact of Microplastics on the World’s Oceans Scientists estimate there are 24 4 trillion pieces of microplastics in the world’s upper oceans, with a combined weight of 82,000 to 578,000 tons This is equivalent to roughly 30 billion 500-ml plastic water bottles floating in our seas The scale of this contamination is staggering