Cyanobacteria Mitigation In Small Lakes & Ponds
Blue-Green Algae Blooms Can Quickly Take Over
Circulation can help fight back and improve water quality
The threats posed by cyanobacteria blooms and their associated toxins are real and should not be taken lightly. There are a lot of opinions one way or the other, but at the heart of any water quality strategy is circulation, and more specifically, epilimnetic circulation. It is the one consistently successful method that can stand alone or in conjunction with other water quality management strategies.
What can causes a blue-green algae bloom?
Blue-green algae usually require warm waters, high nutrient availability (primarily soluble inorganic phosphorus and nitrogen), sunlight, and stagnant waters; however, actual bloom triggers can be difficult to pin down. Small ponds tend to have less natural circulation and warm up faster causing nearly ideal conditions for blue-green algae to thrive.
Is there anything that can be done?
Efforts to control cyanobacteria blooms through nutrient limitation have been spotty at best, in part because of the difficulty of controlling non-point sources such as agricultural and stormwater runoff, as well as the impacts of rapid urban development.
The most consistently effective approach for cyanobacteria bloom control has been to prevent stagnation of epilimnetic waters through SolarBee® circulation.
The combination of horizontal and vertical mixing sufficiently disrupts the cyanobacteria’s preferred quiescent habitat, negating their competitive advantage over beneficial algae and preventing unwanted blooms, even in nutrient-rich waters such as secondary wastewater effluent and storm water drainage. These benefits of enhanced circulation have been well documented in the scientific literature for many decades.
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