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Shot from behind the Falls, Niagara, Canada

An algae bloom off the coast of Southern California is full of dinoflagellates who emit bright blue late in the crashing waves.

There were some holes in the rocks, no doubt carved there over millions of years by water. Some of the holes were filled with water in which algae gew. It made for some cool visual effects.

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Algae scum growing on media in pots.

Event hosted by Essex Region Conservation Authority (ERCA) at the Hillman Marsh in Leamington. Event organized by Leamington District High School’s Eco Team. Event aimed to promote awareness and citizen action related to blue-green algae.

One of the famous beaches of Hanko. city located on the south coast of Finland.

American Alligator (Alligator mississippiensis)

siamese algae eater, i think??

A fish's murky view of an algae bloom. (Photo: Department of Ecology)

Algas

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Soft green carpet of algae

not unlike other algae i guess

Sardinia Military Zone 2013

Bleached (dead) coralline algae (Corallina officinalis) and encrusting algae (Lithothamnia) on a pebble

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Some water seemed to be full of oil, some so full of algae that you couldn't actually see any water underneath it.

Algae scum growing on media in pots. This forms an impermable layer on the media surface that can interfere with water penetration.

algae flowering

Cherry Hill Nature Preserve.

The World of Blue Green Algae Life on the Edge of Rutland Water

Apparently the geese were chasen off and this leads to a lot more algae.

Very small algae garden on a rock in the forest

Experimenting with different amounts of fertiliser, different water types, different algae strains, and different oxygen concentrations.

The new renewable energy source of algae. This article appears at KeenforGreen.com.

Algae and Porites: Seaweed overgrowing a massive coral on an inshore reef of the Great Barrier Reef