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Fourth Global Coral Bleaching Event
Along coastlines from Australia to Kenya to Mexico, many of the world's colorful coral reefs have turned a ghostly white in what scientists said on Monday amounted to the fourth global bleaching event in the last three decades.
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GalaxiePete
Joined 2007/12/17Visited 2024/05/14
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Witnessing the results of this process up close - I'm talking of obvious, devastating damage to these micro-universes clearly observable a dozen or more years ago - has been one of life's profoundly disheartening experiences.
#1 | Posted by Doc_Sarvis at 2024-04-15 04:45 PM | Reply
I'm kinda glad my daughter stopped diving to bring these coral up to land-based nurseries to recover and be re-homed in the ocean.
With the water temps, not only is the coral affected, but the sharks are getting antsy.
That's not why she stopped; she took a University Professor position, but I'm glad of that.
"Ocean temperature is a crucial determinant of how sharks breathe, eat, reproduce, and where they are able to live. One primary way warmer oceans are changing shark physiology is through metabolism.
Warmer temperatures speed up sharks' metabolic rate, meaning they are burning more energy in their fight to survive. A faster metabolism translates to quicker digestion which leads to lowered nutrient absorption and a more rapid need for consumption.
This increased need for input is coupled by an increased difficulty to find prey, making a surfer's seal-like silhouette even more enticing."
www.theinertia.com
#2 | Posted by Corky at 2024-04-15 05:01 PM | Reply | Newsworthy 1
"making a surfer's seal-like silhouette even more enticing."
Absolutely. Look at a surfer from below (the shark's perspective), either sitting on the board or just lazily paddling, and ... yeah, there's definitely a seal-ish shape there. I know plenty of divers take comfort in believing they, on the other hand, do not resemble an edible. But if the sharks are getting antsy, perhaps they're less discriminating. One bite, just one. Perhaps the shark doesn't like that bite, shakes it off, and leaves the diver behind as it swims off in search of a real meal. Meanwhile, the diver contends with a severed artery. Oops. Diving is great, but do steer clear of the divers who boast of the number of dives they've had or other -------- rubbish. Oh, and please stay away from "shark feeds" and "shark experiences" which draw the critters by - in one form or another - chumming. Think about it.
#3 | Posted by Doc_Sarvis at 2024-04-15 05:49 PM | Reply
Drone video shows frenzy of sharks off the coast of Florida
www.youtube.com
#4 | Posted by Corky at 2024-04-15 05:55 PM | Reply
A faster metabolism translates to quicker digestion which leads to lowered nutrient absorption and a more rapid need for consumption.
I believe the same concept killed off most of the King Crab in the Bering Sea.
#5 | Posted by REDIAL at 2024-04-15 06:38 PM | Reply
Happy Extinction!
#6 | Posted by snoofy at 2024-04-15 06:40 PM | Reply
It won't blow up,
and disappear,
It'll just look ugly for a thousand years,
Cuz we are dumb all over.
#7 | Posted by horstngraben at 2024-04-15 09:47 PM | Reply
@#7
Yup.
#8 | Posted by LampLighter at 2024-04-15 09:57 PM | Reply
#5 | Posted by REDIAL at 2024-04-15 06:38 PM | Reply | Flag
If you read up on the latest finds, you'll quickly see that an overcrowding boom in their habitat back in 2018 caused the die-off/migration. There were so many crabs that they were left without enough food to eat. Of course publications like Popular Science will paint it into the global warming corner but the fact remains that they were booming in 2018. According to Al Gore, we were all supposed to be extinct already.
#9 | Posted by lfthndthrds at 2024-04-15 10:08 PM | Reply
@#9 ... If you read up on the latest finds, ...
Got links?
thx.
#10 | Posted by LampLighter at 2024-04-15 10:22 PM | Reply
#10 | POSTED BY LAMPLIGHTER
Not that it will matter with you, but I found this to be very interesting, arguing both points. news.mongabay.com
There is an ecological theorem that backs up the trawler idea.
One the crash was indirect via climate change, the other directly related to over fishing, an in particular pelagic trawls destroyed the ecosystem, and thus biomass for all species in the Bering Strait.
This one as well, was temp related. www.fisheries.noaa.gov
#11 | Posted by oneironaut at 2024-04-15 10:41 PM | Reply
It won't blow up, and disappear, It'll just look ugly for a thousand years, Cuz we are dumb all over.
#7 | POSTED BY HORSTNGRABEN
No. It only recovers IF the water cools down and the algae return.
And right now, that's a BIG If.
#12 | Posted by Sycophant at 2024-04-16 12:55 PM | Reply
According to Al Gore, we were all supposed to be extinct already. #9 | POSTED BY LFTHNDTHRDS
Link?
#13 | Posted by snoofy at 2024-04-16 12:59 PM | Reply
water temps and salinity issues. this will continue unabated until something serious is done about fixing the climate situation.
#14 | Posted by earthmuse at 2024-04-16 02:14 PM | Reply
"this will continue unabated"
Edited for clarity.
#15 | Posted by snoofy at 2024-04-16 02:15 PM | Reply
I told you above where to find it. Popular Science
Look it up, or don't
#16 | Posted by lfthndthrds at 2024-04-16 03:26 PM | Reply | Funny: 1
I searched for al gore popular science extinction.
I didn't find what you claimed.
So. Link please.
#17 | Posted by snoofy at 2024-04-16 04:11 PM | Reply
#9 | POSTED BY LFTHNDTHRDS
Bullcrap!
#16 | POSTED BY LFTHNDTHRDS
In other words you've got nothing. Why do you CONs constantly pull statements like:
"If you read up on the latest finds, you'll quickly see that an overcrowding boom in their habitat back in 2018 caused the die-off/migration. There were so many crabs that they were left without enough food to eat."
out of your posterior?
You're either too lazy to provide confirmation, or All you seem to have left are lies. Either provide proof of your own assertions or STFU and stop wasting our time.
#18 | Posted by Whatsleft at 2024-04-16 04:16 PM | Reply
I told you above where to find it. Popular Science Look it up, or don't
Funny. It's not in there.
Could someone be lying?
But LeFTHandTuRDS never lies!
#19 | Posted by Sycophant at 2024-04-17 10:05 AM | Reply
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