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Toxic Algae Found At Yosemite

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Toxic Algae Found At Yosemite
September 13, 2021 02:51PM
Yosemite, CA – Yosemite National Park is warning visitors to stay out of Tenaya Creek due to toxic algal blooms, the area is east of where a family was found dead in Mariposa County.

The park has received positive results on recent testing for small amounts of toxic algae in Tenaya Creek in Yosemite Valley. And there may be more toxic algae existing in other sites in the valley, according to park officials. The problem, they explained, is that “toxins are concentrated within algal mats themselves and are released episodically into the water when the algae die or are disturbed.”

For that reason, the park is notifying visitors to beware and not enter or drink from the creek, which flows from above Mirror Lake to where it enters the Merced River near North Pines Campground. Also noting that “filtering and/or boiling the water is not effective against this type of algae.”

More at link:

Toxic Algae Found in Tenaya Creek
Re: Toxic Algae Found At Yosemite
September 13, 2021 07:02PM
Is this a new thing or just something people started to look for?
Re: Toxic Algae Found At Yosemite
September 13, 2021 09:55PM
Not new--but it shows up with warmer temperatures. With our climate changing, we can expect to see more of this...

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Re: Toxic Algae Found At Yosemite
September 15, 2021 07:44PM
Re: Toxic Algae Found At Yosemite
September 16, 2021 05:20AM


That's a more plausible explanation IMO, but seems like that would show on an autopsy.

Edited 1 time(s). Last edit at 09/16/2021 05:21AM by The Other Tom.
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