Algae blooms create their own favorable conditions, new study finds

PUBLIC RELEASE: 8-JAN-2015 by DARTMOUTH COLLEGE

moldlake

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

The findings suggest cyanobacteria — sometimes known as pond scum or blue-green algae — that get a toe-hold in low-to-moderate nutrient lakes can set up positive feedback loops that amplify the effects of pollutants and climate change and make conditions even more favorable for blooms, which threaten water resources and public health worldwide. The findings shed new light on what makes cyanobacteria so successful and may lead to new methods of prevention and control. Read more

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Posted on January 14, 2015, in Environmental and tagged , , , , , , . Bookmark the permalink. Leave a comment.

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