Home Harmful algal blooms in dams pose serious risk for livestock Cyanobacteria form a green, unpleasant smelling scum on the water surface, and leave a blue-green tinge along the sides of a dam when it dries out.

Cyanobacteria form a green, unpleasant smelling scum on the water surface, and leave a blue-green tinge along the sides of a dam when it dries out.

Cyanobacteria form a green, unpleasant smelling scum on the water surface, and leave a blue-green tinge along the sides of a dam when it dries out.

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