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Cyanobacteria (blue-green algae) bloom on Lake Erie (United States) in 2009. These kinds of algae can cause harmful algal bloom. A harmful algal bloom (HAB), or excessive algae growth, is an algal bloom that causes negative impacts to other organisms by production of natural algae-produced toxins, water deoxygenation, mechanical damage to other organisms, or by other means.
However modern sources tend to regard this as outdated; [20] they are now considered to be more closely related to bacteria, [21] and the term for true algae is restricted to eukaryotic organisms. [22] Like true algae, cyanobacteria are photosynthetic and contain photosynthetic pigments, which is why they are usually green or blue.
Eutrophication processes fuel the growth of blue-green algae, also known by its more correct scientific name cyanobacteria. These bacteria normally appear green in color and can turn blue when the algae (bacteria) blooms are dying. As an algae bloom dies, the microscopic cells break down, releasing toxins in the surrounding water.
If you have other health questions or concerns about blue-green algae blooms, please call the Florida Department of Health in Okeechobee County at 772-873-4927.
Blue-green algae will follow sunlight and nutrients by floating to the surface, where they can form thick scum layers or matts and the surface may look bubbly or frothy. Algal scums can be pushed ...
Microcystins—or cyanoginosins—are a class of toxins produced by certain cyanobacteria, commonly known as blue-green algae. [3] Over 250 [4] different microcystins have been discovered so far, of which microcystin-LR is the most common. Chemically they are cyclic heptapeptides produced through nonribosomal peptide synthases. [5]
The toxic algae is now coating more than 60 per cent of Lake Okeechobee
A very large algae bloom in Lake Erie, North America, which can be seen from space. An algal bloom or algae bloom is a rapid increase or accumulation in the population of algae in fresh water or marine water systems. It is often recognized by the discoloration in the water from the algae's pigments. [1]