Pollution Drives Nuisance Algae Growth

February 27, 2015 12:04 PM

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Pollution Drives Nuisance Algae Growth

The organisms commonly known as blue-green algae have proliferated much more rapidly than other algae in lakes across North America and Europe over the past two centuries – and in many cases the rate of increase has sharply accelerated since the mid-20th century, according to an international team of researchers led by scientists at McGill Univ.

Their study, published in the journal Ecology Letters, represents the first continental-scale examination of historical changes in levels of cyanobacteria, the scientific term for the photosynthetic bacteria that form blue-green scum on the surface of ponds and lakes during hot summer months. Cyanob...

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