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The most important (and most mysterious!) migration on the earth occurs each evening within the ocean as 10 billion tons of zooplankton swim to the floor to feed. This undersea journey is called Diel vertical migration, and it happens in each ocean on the earth. By studying extra about why this occurs, science can unlock the secrets and techniques behind different phenomena, like our organic clocks…and even local weather change.
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References: https://websites.google.com/view/earths-greatest-migration-refs/dwelling
Try Untold Earth and the PBS Earth Month Playlist: https://www.youtube.com/watch?v=-BVHSUMAWR4&record=PLzkQfVIJun2J5q9CIXPAlL95FSb0tJul7&index=2
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supply
Daily Mail readers be like
"The largest mass migration?In the sea? Overnight? It's them damned small boats in the British channel innit "
I have watched Natural World Facts so I KNOW EVERYTHING
Lol you’re welcome! Lol thank you Joe
I just watched 3 videos in a row that had the Wilhelm Scream in it…..
Nah, don't buy it. I wouldn't call this a migration.
You krilled it, srsly.

8:56 caught me off guard
Sonar… please continue to tell me how interesting plankton are with your sonar.
Alien saying "earth" at 00:00
I love that you used the famous "Wilhelm scream" at 8:59 when the fish got eaten.
Im curious what caused that dip in atmospheric growth (without dip in emmisions according to the graph) around 1991ish.. different data sets?.. outliers peakkng through?.. actual phenomenon?
DBZ reference on point!
All this effort and the plankton still wasn't able to successfully steal the Krabby Patty formula. What a shame!
Great video Thank you
Pretty amazing
I was kindof hoping it was the unexplained mass sponge migration Ray Stantz witnessed
Humans DID disrupt the migration when they were hunting whales. The ecosystem still hasn't fully recovered.
Thought this was the border, my bad.
Nội dung của bạn làm sẽ thú vị nếu như tôi hiểu được ngôn ngữ của bạn, thật tuyệt đó
Ok… NET migration. The Arctic Tern still holds the distance record.
How do we fix that volcano problem? We need to stuff them,climate change!
Scientists waste money, and are dangerous to environment, their inventions are leading to global warming and may be end of the world.
That ain't migration. That's commuting. Lol
See? Even benthic life forms have visa free travel allowing vertical "migration".
Thank you
Hey Joe didn't know you were Dragon ball z fan
Nice one !
Hey Joe! Did life on earth start only once? Since we have only once common ancestor? But if it happened once can it happen again? Love your channel!!!!
The problem with the sinking of CO2 into the ocean depth is that many small animals that build shells and exoskeletons cannot do this if the acidity gets too high. Already not this is starting to become a problem, alongside the temperature incease. The IPCC clearly makes that point.
You could’ve cut this video in half.
But it’s not mysterious! We’ve basically known how and why since it was first described.
1:30 her surname is great, but unfortunately i'm Archer fan…
I've been saying for decades the way we treat the ocean will probably be the death of us. Sure! let's mess with the source of all the oxygen we breathe! Woo-hoo! Good times!
Fascinating, they want the Krusty Krab secret formula
8:55 I have heard PBS Studios use the meme fard sound effect, my life is complete now.
Damn, when I heard it was underwater I actually thought this was going to be about lanternfish.
MedCram talked about melatonin research that pointed out that our melatonin levels in daytime are orders of magnitude greater than the nighttime levels produced by the pituitary. Daytime infrared from the sun penetrates into the body, triggering melatonin production by mitochondria all over the body where IR reaches. It is a critical factor for certain metabolic processes, so it seems our nighttime supply is in part to compensate for the lack of production, supplying around 5% of our daily melatonin supply.
So, we, too, are responding to the daily cycles of solar infrared and the nighttime loss of melatonin production.
Neutrinos are part of light and they travel through clouds and water until they Erupt into energy. Just saying you misspoke …
At the end he said "I'm sorry" and I'm thinking, no you're not. That terrible pun was on porpoise, you take that sorry back. And then he did. And now I'm here writing a comment about it. Existence is weird.
Did you know in the end when you said "it's krilling us" it reminded me of DBS abridged and how krillin (the character) says "it's krillin time".


Why haven’t I ever heard of this before?!?!!!!
You're Krill-ing Larry!