https://thecorrespondent.com/4831/th...77499-c2d232ec
The surge of international interest in JEROS has been accompanied by a surge of
Jellyfish blogger Rebecca Helm penned a spirited post outlining JEROS’s failings. commentary. Jellyfish experts say the shredders do more harm than good. They see two major problems.
....First, where do the shreds end up? There are several possibilities. They could sink to the ocean floor and rot away, smothering life there in slime. After all, what eats jellyfish? And anything that does probably can’t eat as fast as JEROS can shred. Or the sticky mass could gunk up cooling systems, just as whole jellyfish do, except the tiny pieces are even harder to get rid of. Or
This cute TED animation shows how stinging cells work. tentacle fragments studded with stinging cells could wash over anti-jellyfish nets and beaches, effectively expanding the creatures’ reach.
///The second problem is that when you cut jellyfish open, they release all their eggs and sperm at once. The cells fertilize each other. And next season, your jellyfish bloom is exponentially worse.
“We’ve rethought the shredder,” Myung says. A new version of JEROS scoops jellyfish out of the water and into a storage container that holds 420
Watch the jellyfish escalator in action. animals.
But what do you do with the creatures once you’ve caught them? It’s not like all jellyfish are edible. “We’re wondering the same thing,” Myung says. “I saw a paper recently that proposed using jellyfish as fertilizerin rice farming.”
....The paper’s authors say the method would increase harvests while
Read the paper on using jellyfish to grow rice. obviating the need for chemical weed killers. It’s an incredible story – autonomous swarms of jellyfish-busters making fertilizerfor Korean rice farmers. “It sounds good,” Myung says. “And maybe the cosmetic industry can do something with jellyfish. They’re rich in collagen.” Medusa brand wrinkle cream, anyone?"...
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JellyFish On the Rise?
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