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Lake Ainsworth and Blue Green Algae |
What are blue green algae?
Blue green algae are scientifically known as cyanobacteria there are about 40 species known in this country. A few of these have toxic properties from time to time. The algae may sometimes be seen as a bluish green scum on the surface of the water or the shoreline when the water is calm.
What species affect Lake Ainsworth?
Species that have been identified in Lake Ainsworth include: anabaena, microcystis, lyngbya, and oscillatoria.
How can blue green algae affect me?
Skin and eye irritation is a common reaction. At stronger concentrations nerve and liver toxins may be present. Some people are more likely than others to suffer as a result of contact with blue green algae. Anyone who is aware that they are acutely allergic to blue green algae should avoid contact with the waters of Lake Ainsworth during the summer months.
Ballina Council monitors blue green algae concentrations
Warning signs are erected
- when blue green algae concentrations exceed 15,000 cells per ml and/or when concentrations of algae (slick or scum) are present.
The signs are removed
- when two consecutive counts of less than 10,000 cells per ml are recorded and no slick or scum is present.
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