Cyanobacteria are found naturally in waterbodies such as lakes and rivers. They were the earliest known forms of life on earth and are a key source of food for aquaculture life. Certain environmental factors can affect their growth such as excess nutrients, sunlight, warm water temperatures, and slow-moving shallow water can be factors in the formation of surface blooms.
Nutrients (like nitrogen and phosphorus) are naturally occurring in waterbodies and are needed for plant and animal life. Excess nutrients can find their way into waterbodies through storm runoff, agriculture runoff, industrial and municipal wastewater, faulty septic systems, and lawn fertilizers.
Climate change impacts such as warmer temperatures, more intense rainfall events, and drought conditions could impact the growth of cyanobacteria blooms.
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