Salmon have been dying mysteriously on the West Coast for years. Scientists think a chemical in tires may be responsible

CNN via MSN ^ | 03 Dec 2020 | Drew Kann

[blueplum]

For decades, scientists say something alarming has been happening in the streams and rivers where coho salmon return from the Pacific Ocean to spawn along the West Coast.

After heavy rain events each fall, the fish have been turning up dead in huge numbers before they spawn, a mysterious phenomenon that has been the subject of intense research for years.

Now, scientists think they have found a key piece to this morbid puzzle...tires...

[blueplum]

then there's an earlier article that might be just as causative:

China weather modification

[blueunicorn6]

COVID.

[dp0622]

I read that it’s organized crime.

Loan SHARKS.

Sorry.

[Paladin2]

“Roughly 3.1 billion tires for the planet’s more than 1.4 billion vehicles are produced annually, the study said, and this chemical appears to be used in nearly all of them.”

I don’t buy two tires/vehicle/year. Maybe one, on average.

[for-q-clinton]

We can be like the fake news and voter fraud. Just say there is no evidence of this.

[Professional]

Sure, trace elements of a rubber tire have seeped into the ocean and killed salmon. Yup, gazillions of gallons of water couldn’t dilute that trace element of chemical...lol...yeah right...

A couple years ago I saw a salmon swimming over the road, didn’t seem to mind one damn bit, it even asked me for directions.

[maddog55]

I haven’t run over a salmon in years.

I’m guessing human feces run off from liberal shxthole cities.

[cyclotic]

It’s all my fault. I bought new tires last week. I’m sorry earth. Who do I send my penance check to?

Do we have to buy tire offsets now?

[Viking2002]

[dp0622]

LOL

IF bad jokes got one kicked off, I’d be long gone :)

[Secret Agent Man]

how bout all the fukushima radiation spewing into the pacific unabated for years

gee lets all gloos that over

[Jane Long]

No cars for you!!

[Professional]

You can have a car, you just can’t use the tires.

[Jane Long]

:-)

Or, it has to be up on blocks :- /

[Secret Agent Man]

rarely ever buy tires

[llevrok]

The Flintstones never had this issue. Just sayin’ .....

[Osage Orange]

Could be Bigfoot...

[Paladin2]

I need fresh snow tires from time to time.

For self preservation [and The Children...].

[Secret Agent Man]

my tires last me a long time

[TChad]

From https://science.sciencemag.org/content/early/2020/12/02/science.abd6951:

Abstract

In U.S. Pacific Northwest coho salmon (Oncorhynchus kisutch), stormwater exposure annually causes unexplained acute mortality when adult salmon migrate to urban creeks to reproduce. By investigating this phenomenon, we identified a highly toxic quinone transformation product of N-(1,3-dimethylbutyl)-N'-phenyl-p-phenylenediamine) (6PPD), a globally ubiquitous tire rubber antioxidant. Retrospective analysis of representative roadway runoff and stormwater-impacted creeks of the U.S. West Coast indicated widespread occurrence of 6PPD-quinone (<0.3-19 μg/L) at toxic concentrations (LC50 of 0.8 ± 0.16 μg/L). These results reveal unanticipated risks of 6PPD antioxidants to an aquatic species and imply toxicological relevance for dissipated tire rubber residues.