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Bookmark or Share- Algal Blooms - National Institute of Environmental Health ...A harmful algal bloom (HAB) occurs when toxin-producing algae grow excessively in a body of water. The excessive algal growth, or algal bloom, becomes visible to the naked eye and can be green, blue-green, red, or brown, depending on the type of algae.
- Harmful Algal Blooms (Red Tide) - NOAA's National Ocean ServiceTiny Organisms with a Toxic Punch. Regional Information. Resources. Frequently Asked Questions. Harmful algal blooms (HABs) occur when algae — simple photosynthetic organisms that live in the sea and freshwater — grow out of control while producing toxic or harmful effects on people, fish, shellfish, marine mammals, and birds.
- What is a harmful algal bloom? | National Oceanic and ...Harmful algal blooms, or HABs, occur when colonies of algae — simple plants that live in the sea and freshwater — grow out of control and produce toxic or harmful effects on people, fish, shellfish, marine mammals and birds. The human illnesses caused by HABs, though rare, can be debilitating or even fatal.
- Causes and Ecosystem Impacts | Harmful Algal Blooms | CDCProduce toxins (poisons) Become too dense. Use up the oxygen in the water. Release harmful gases. These harmful blooms can be caused by many types of phytoplankton. However, three main types of phytoplankton cause most blooms that make people and animals sick: Cyanobacteria (sometimes called blue-green algae)
- Illness and Symptoms | Harmful Algal Blooms | CDCPage last reviewed: July 30, 2021. Content source: Centers for Disease Control and Prevention. Some cyanobacteria (blue-green algae) and algae produce toxins that can make people and animals sick. Learn about symptoms and what to do if you are sick.
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