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Monitoring and Mitigating Cyanobacteria

James E. F. Morgan Peroxygen Solutions Jamestown, NC

Cyanobacteria (blue-green algae) are unique, some say mysterious, primitive and troublesome organisms. They are difficult to monitor, difficult to predict, and even more difficult to eradicate. Understanding cyanobacteria ecology, dynamics of bloom formation, and mitigation

techniques

is

critical

to

preventing

unwanted

blooms

that

cause

taste,

odor,

and

often

toxin

problems. A focus on monitoring and identifying algal species early is safe treatment. Research confirms that we have no sure method to

essential for ecologically predict the severity and

duration

of

blooms

or

the

presence

and

concentration

of

cyanotoxins.

Toxicity

cannot

be

determined visually. Monitoring source water for cell count/ID, fluorescence validates cyanobacteria presence. Monitoring for

cyanotoxins, and phycocyanin chlorophyll a, DO, pH, total

phosphorous, baseline data,

and other criteria only using consistent real-time

suggests the presence of cyanobacteria. Establishing surveillance and early treatment are the keys to success.

An environmentally safe approach using early bloom” before they become problematic is cyanobacteria blooms and their toxins.

treatments of PAK™27 algaecide to “prune the a safe, ecologically sound way to mitigate

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NOTES

Session 1 – Page 7

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