What causes microcystin?
Because cyanobacteria thrive on nutrient excesses, agricultural and chemical runoff is one common cause of algal growth and microcystin release. Agricultural and chemical runoff often contains high levels of nitrogen and phosphorus that can feed cyanobacterial growth and contribute to the production of microcystin. What is a microcystin toxin? Microcystin is a potent liver toxin…