Egger stresses TOC wants to make sure plastic-cleaning efforts are helping marine life, not harming them. But simply minimizing the amount of marine life that is carried out of the ocean with plastic is more complicated, he says. If crustaceans and sea anemones from other regions cling to plastic debris and hitchhike to the middle of the Pacific Ocean, they can eat Noyston there. Is it right or wrong to eliminate intruders? “There will always be marine life associated with plastic,” says Egger. “But often it’s the marine life that doesn’t belong there, because the plastic doesn’t belong there.”
A study published in mid-April provides some clues as to which migratory species could pose a problem. We examined 105 plastic shards. They found traces of species commonly found in coastal waters that used drift plastic as rafts and ended up in the Great Pacific Garbage Patch. Specifically, fishing nets, ropes, buoys, boxes, and cylindrical eel traps. Some species also appeared to breed in their new offshore homes. For example, some shrimp-like amphipods carried their eggs in egg-laying pouches.
That’s not surprising, says Martin Thiel, a professor of marine biology at the Catholic University of the North in Chile. Marine life has been found to colonize all sorts of floating material in the ocean, including volcanic pumice, seaweed, and wood, at least until these materials begin to decompose and sink. Whether it’s an organism that settles on a piece of more durable plastic or floats on the surface next to it, Thiel says you can’t simply separate it from the plastic. Or, by removing it, it could do more harm, so it’s better to leave it at rest,” he says.
Lanna Cheng, professor emeritus at the University of California, San Diego, isn’t too concerned. The Newston may or may not be floating in the plastic. Some noistons can swim up and down. And then a storm can come and throw things up. Noiston assemblages appear to be very sparse, she says, so incidental captures are unlikely to have a significant impact on their populations. As we invest resources, she welcomes the contribution TOC makes to science by providing marine biologists like her with the opportunity to collect samples. “Surface community [of marine life] A community that was little studied until plastic pollution became a problem. Part of the reason is that it had little economic value,” she says. Chen himself has spent his career studying insects that have evolved to literally walk and survive in the open ocean.
But helm is still important, because she thinks studies should first show that there is no effect on Newston before any cleanup can be implemented. If we can prove that our efforts have not affected marine life, I am thrilled to see that they have accepted criticism and made changes,” she says. One change was made recently. In May 2023, TOC expanded the net her barrier length to more than double hers and now he reaches 1,750 meters. As part of the upgrade, the mesh size of the net in the holding zone, where the plastic is held before it is hoisted onto the vessel, has been increased from 10 to 50mm square. This allows very small creatures such as blue buttons and violet snails to pass through the net, but wind-riding sailors, for example, can be larger than this. However, if you increase the mesh size any further, debris may start to penetrate.
The two sky-blue ships are now cruising the Great Pacific Garbage Patch again, testing an updated barrier in hopes of collecting more plastic in a single voyage. Keeping the open ocean free of plastic is still Sisyphus’ job. As more plastic finds its way into patches and scientists learn more about the creatures that live there, there remain many obstacles that TOC must overcome before it can expand its operations. “Our aim is to help the creatures out there, but you have to make sure that you do. the way help teeth We’re actually helping them,” says Egger. “And that’s what we’re trying to figure out.”
