Related topics: mississippi river

New tool for the early detection of blue-green algae

Algae and/or cyanobacteria blooms are increasingly invading Quebec's waters, with some 500 bodies of water affected in the past 10 years. Methods for tracking these microorganisms are costly and labour-intensive, but satellite ...

Farm runoff and the worsening algae plague

Harmful algae blooms have become a top water polluter, fueled by fertilizers washing into lakes, streams and oceans. Federal and state programs have spent billions of dollars on cost-sharing payments to farmers to help prevent ...

Algae on river flowing into Lake Erie prompts warning

Health officials in Ohio are telling children, pregnant women and people with certain medical conditions not to swim in the river that flows through Toledo because of an algae outbreak.

What causes algal blooms to become toxic?

The disastrous 2015-16 Dungeness crab season, delayed and shortened by an unprecedented bloom of toxic algae, is a bitter memory for the West Coast fishing industry. The culprit was domoic acid, a potent neurotoxin produced ...

Scientists expect 'significant' algae bloom on Lake Erie

A "significant" harmful algae bloom is expected to form in western Lake Erie this summer, though it probably won't be as large as some previous formations that posed health risks and hampered tourism, scientists said Thursday.

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