Recognize of blue-green algae (Cyanobacteria)

Blue greens partially form toxins. They produce neuro- and cytotoxines

• Colour and turbidity of water (light green, dark green, blue green, red)

• Layers on the surface, concentrated in some parts on the surface of the reservoir

• Adhesive and constand on objects

• Particles visible without optic instruments ( >< 1 mm), flakes, threads, balls, units of cells

possible colours - and possible forms (appr. 10x magnified) - see graphics in orginal