Algae blooms drive nutrient cycles

Algae blooms drive nutrient cycles

Cyanobacteria can amplify effects of lake pollutants to make conditions favorable for algae blooms.

FERTILIZERS are known to promote the growth of toxic cyanobacterial blooms in fresh water and oceans worldwide, but a new multi-institution study shows that the aquatic microbes themselves can drive nitrogen and phosphorus cycling in a combined one-two punch in lakes.

The findings suggest that cyanobacteria — sometimes known as pond scum or blue-green algae — that get a toe-hold in lakes with low to moderate nutrient levels can set up positive feedback l

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