Roundup Record Tribune & Winnett Times -

Warm Weather Increases Risk of Harmful Algal Blooms in Montana Lakes and Reservoirs Toxic Blooms can Sicken Humans and Kill Pets and Livestock


August 12, 2020

HELENA—Summer is in full bloom. Before you take a dip in the lake this summer, state agencies are urging Montanans to know the health risks of Harmful Algal Blooms, or “HABs.”

HABs are caused by blue-green algae that are native to Montana’s freshwater lakes and reservoirs. Scientists believe the blooms are occurring at more locations, with increased frequency and longer duration. Causes include warmer water temperatures, longer summer growing seasons and increased nitrogen and phosphorus runoff from a variety of human activities. Under certain conditions, HABs can produce toxins tha...

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