EcoWatch: Nutrient enrichment and climate change are posing yet another concern of growing importance--an apparent increase in the toxicity of some algal blooms in freshwater lakes and estuaries around the world, which threatens aquatic organisms, ecosystem health and human drinking water safety.
As this nutrient enrichment, or eutrophication increases, so will the proportion of toxin-producing strains of cyanobacteria in harmful algal blooms, scientists said.
Toxic microcystin bacteria float, along...