Fewer harmful algal blooms this year

[WB Staff]

Outbreaks of harmful algal blooms have wreaked havoc on California river ecosystems for years. The toxic algae — a neon green layer of muck that floats atop water — thrives in warm, stagnant conditions brought on by drought.

Presence of this algae can make life difficult for other plants and fish in the river, and even cause concerns for humans that accidentally ingest or possibly breathe the area around it.

But this year was different. Faster, colder river waters led to fewer outbreaks of the harmful algae throughout the state.

“We had this increased amount of snowpack, which is what caused a lot of flow down during the summer months,” said Spencer Fern, the Delta science program manager for the environmental nonprofit Restore the Delta.
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