Algae invasion turns Qingshan lake bright green

The dramatic coloring of Qingshan Lake in Nanchang, Jiangxi province might actually be kind of cool looking if we knew it hadn’t been the result of a gross blue-green algae outbreak in the water.

Qingshan Lake, with an area of over 400 hectares, is one of the largest bodies of water in the city. Due to a swath of blue-green scum that’s taken over its surface, however, the lake appears to have been dyed bright green.


It’s almost like a scene from the Chicago River on St. Patrick’s Day, but with less drunk people in novelty T-shirts and more dead fish.


The highly visible blooms of algae form in freshwater and marine environments, and can, in some cases, be toxic.
A similar outbreak recently occurred in a Hangzhou river. Environmentalists said that low river velocity along with high temperatures led to the massive swath of slime covering the water. Human fishing activities exacerbated the situation.


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