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Posts Tagged ‘algae’

High Levels of Biotoxin Found in Dead Walrus; Experts Unsure of Regional Impact

Walrus and calf. Photo courtesy of NOAA.

According to Gay Sheffield, wildlife biologist, three of the walruses had low to moderate levels of saxitoxin, while the fourth one had high levels. Saxitoxin is a biotoxin produced by algae and is potentially a poisonous substance. Louisa Castrodale with DHSS says even though this walrus tested positive for saxitoxin levels above the federal regulatory limit, it doesn’t necessarily mean there’s a human health issue.

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Scientists Find Prevalence of Algal Toxins in the Arctic

NOME, AK — For the first time, scientists have documented the prevalence of two biotoxins in Alaska’s marine mammal population above the Arctic Circle. That’s according to a new study out Thursday in the Journal Harmful Algae. But it’s not clear if algal toxins have always existed in the Arctic, because scientists never looked before now.…

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