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Mariana Trench Polluted By Toxins

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You’d think that some place as deep as the Mariana Trench, 26,000 to 36,000 feet under the surface, would still be untouched by humanity. A recent study published by Nature Ecology & Evolution, however, shows that these extensive ecosystems are bustling in deadly chemicals, mnn.com announced.

Led by Alan Jamieson of Newcastle University in England, a crew of researchers set out a remote controlled vehicle with bait traps into the trench at 30,000 feet under sea level, theguardian.com reports. They then caught many small crustaceans called amphipods and found out that these creatures contained way more toxins than other sea life living in some of the most polluted oceans.

“In fact, the amphipods we sampled contained levels of contamination similar to that found in Suruga Bay, one of the most polluted industrial zones of the northwest Pacific. What we don’t yet know is what this means for the wider ecosystem and understanding that will be the next major challenge.” Jamieson said in a statement for mnn.com.

According to theguardian.com, the toxins they found in the creatures included polychlorinated biphenyls (PCBs) and polybrominated diphenyl ethers (PBDEs). These chemicals were used for four decades until they got banned in 1970. Some of these chemicals got dumped into the ocean, and never decomposed as it is resistant to natural degradation.

Another theory that scientists have is that the pollution is a result of deep sea creatures consuming contaminated carcasses of animals and plastic debris, reported mnn.com. “The fact that we found such extraordinary levels of these pollutants in one of the most remote and inaccessible habitats on Earth really brings home the long-term, devastating impact that mankind is having on the planet,” Jamieson explained. “It’s not a great legacy that we’re leaving behind.”

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26 Comments

26 Responses to “Mariana Trench Polluted By Toxins”

  1. Sue P. on February 24th, 2017 9:21 am

    Very well written, Miss Palafoutas. And very unfortunate situation for the animals of our oceans. So sad.

    [Reply]

  2. Patricia Irvin on February 24th, 2017 1:17 pm

    Very well written, Sabrina!!! I look forward to reading all your articles!!! Keep up the good work!

    Love,

    Your cousin in Tennessee, Patricia Irvin😘

    [Reply]

  3. Rafe DeBlasio on February 27th, 2017 10:15 am

    This article was well written and informative.

    [Reply]

  4. Bethany Barks on February 27th, 2017 11:15 am

    This is very informative. Thank you for putting this up.

    [Reply]

  5. Sunny on February 27th, 2017 12:10 pm

    I was surprised to learn that the Mariana Trench was infested with chemicals.

    [Reply]

  6. Kayla Asmus on February 27th, 2017 1:15 pm

    I enjoyed reading this article because I got to learn more about deep sea life. Well done!

    [Reply]

  7. Eric Berndt on February 27th, 2017 1:17 pm

    This article truly depicts how humanity has the power to shape the world and its ecosystems, using details and facts to support it.

    [Reply]

  8. Natalie Pronk on February 27th, 2017 1:28 pm

    Great job Sabrina! I think that it is great that you included all of this information regarding the marine life and the toxins harming them.

    [Reply]

  9. Julie on February 27th, 2017 1:34 pm

    That is really sad. 🙁

    [Reply]

  10. Elyzabeth Andersen on February 27th, 2017 1:57 pm

    I was surprised to know that these creatures contain more toxins than some creatures in the most polluted oceans.

    [Reply]

  11. Eileaf Quraishi on February 28th, 2017 9:03 pm

    This article was very well written and factual.

    [Reply]

  12. Olivia Yerkes on March 1st, 2017 4:36 pm

    Thank you for letting us know about these small crustaceans and how they contain a lot of toxins. Great Job!

    [Reply]

  13. Dylan Smock on March 2nd, 2017 4:46 pm

    Wow, it is so said to think that no place on Earth is safe from the harmful chemicals that we humans have created.

    [Reply]

  14. Stephanie Le on March 2nd, 2017 5:07 pm

    This article is very informative.

    [Reply]

  15. Alexis on March 2nd, 2017 6:56 pm

    I enjoyed reading your article because I am now more aware about this topic

    [Reply]

  16. Ryan Short on March 2nd, 2017 8:17 pm

    I was surprised that a body of water this big was polluted with dangerous chemicals from the 70’s.

    [Reply]

  17. Ethan on March 2nd, 2017 9:27 pm

    So cool that its amazing and cool

    [Reply]

  18. Evan on March 2nd, 2017 9:48 pm

    This article clearly shows how humans like us are slowly destroying our own home if we don’t stop polluting it.

    [Reply]

  19. Joshua Yee on March 2nd, 2017 10:36 pm

    Very interesting and well made article.

    [Reply]

  20. Jason Robles on March 2nd, 2017 11:55 pm

    wow i didn’t know that about these creatures

    [Reply]

  21. Olivia Steward on March 3rd, 2017 10:10 am

    This was so interesting to read. It is so crazy that there is so much in the ocean that we do not know!

    [Reply]

  22. Chris Alfaro on March 3rd, 2017 10:12 am

    I was surprised to learn from reading your article that these extensive ecosystems are being infested with chemicals.

    [Reply]

  23. Carlo Moreno on March 3rd, 2017 10:14 am

    This is so sad.. I really liked the description of what was being used to hurt these poor little creatures. Hopefully there is something we can do about it.

    [Reply]

  24. Jack Maluf on March 3rd, 2017 10:17 am

    I really enjoyed your article and now I know not to swim in the Mariana Trench.

    [Reply]

  25. Erin lee on March 3rd, 2017 11:39 am

    This article is really fascinating! Great job!

    [Reply]

  26. Gaby Spoonhower on March 3rd, 2017 12:06 pm

    very well written and very informative

    [Reply]

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Mariana Trench Polluted By Toxins