Marine life is fleeing the equator to cooler waters. History tells us this could trigger a mass extinction event

Thu, 15 Apr 2021 05:00:25 +1000

Andrew Pam <xanni [at] glasswings.com.au>

Andrew Pam
<https://theconversation.com/marine-life-is-fleeing-the-equator-to-cooler-waters-history-tells-us-this-could-trigger-a-mass-extinction-event-158424>

"The tropical water at the equator is renowned for having the richest diversity
of marine life on Earth, with vibrant coral reefs and large aggregations of
tunas, sea turtles, manta rays and whale sharks. The number of marine species
naturally tapers off as you head towards the poles.

Ecologists have assumed this global pattern has remained stable over recent
centuries — until now. Our recent study found the ocean around the equator has
already become too hot for many species to survive, and that global warming is
responsible.

In other words, the global pattern is rapidly changing. And as species flee to
cooler water towards the poles, it’s likely to have profound implications for
marine ecosystems and human livelihoods. When the same thing happened 252
million years ago, 90% of all marine species died."

Cheers,
       *** Xanni ***
--
mailto:xanni@xanadu.net               Andrew Pam
http://xanadu.com.au/                 Chief Scientist, Xanadu
https://glasswings.com.au/            Partner, Glass Wings
https://sericyb.com.au/               Manager, Serious Cybernetics

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