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Sediment samples show how deep-sea trenches can act as plastic traps

We know that tons of plastic waste washes into the ocean each year, but what we don’t know all that much about is what happens to it once it gets there. A new study as shone a light on the role deep-sea trenches can play in the movement of plastic pollution, revealing how they can act as traps, accumulating large amounts of microplastic particles and holding them there. The reason plastic pollution is so hard to trace through the marine environment is because the forces of the ocean degrade and tear apart the pieces until they become what are known as microplastics, tiny fragments measuring less than 5 mm in size. While these are inherently difficult to monitor as they move through the ocean, recent studies have shown how underwater avalanches can drive microplastics into the deep, and how hotspots can develop on the seafloor.

Pacific Ocean s Kuril-Kamchatka Trench Finds Out to be Microplastics Trap

(Photo : Wikimedia Commons ) The Kuril-Kamchatka Trench which is found in the Pacific Ocean has been found to be a microplastics trap. We produce over 400 million plastic tons every year, which, among other consequences, cause plastic islands in oceans as well as plastic waste in forests, along roadsides, rivers, and practically everywhere. According to Abel, the remains of plastic waste are found even within the deepest of oceans. The research team wanted to determine just how much microplastic pollution is present in the Kuril-Kamchatka Trench. This trench is located in the Pacific Ocean s northwest region. According to Abel, the most frequent microplastic presence was at one of Kuril-Kamchatka Trench s deepest regions which they used as a sampling station.

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