Algal bloom - Wikipedia
网页An algal bloom or algae bloom is a rapid increase or accumulation in the population of algae in freshwater or marine water systems. It is often recognized by the discoloration in the water from the algae's pigments. [1] The term algae encompasses many types of aquatic photosynthetic organisms, both macroscopic multicellular organisms like ...
Harmful Algal Blooms and Your Health | Harmful Algal Bloom …
网页2024年1月9日 · Harmful algal blooms can grow in fresh water, salt water, or brackish water (a mixture of fresh and salt water). This includes water people use for recreation and for drinking. Harmful algal blooms occur across the world. In the United States, they have been reported in all 50 states, Puerto Rico, and the U.S. Virgin Islands.
Algal Blooms - National Institute of Environmental Health Sciences
网页2024年9月30日 · 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. Some blooms are easy to spot, but others are hard to see because they grow …
What is a harmful algal bloom? | National Oceanic and …
网页2016年4月27日 · 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.
Harmful Algal Blooms (Red Tide) - NOAA's National Ocean Service
网页Harmful algal blooms (HABs) can occur in fresh, marine (salt), and brackish (a mixture of fresh and salt) water bodies around the world. They are caused by diverse organisms, including toxic and noxious phytoplankton, cyanobacteria, benthic algae, and macroalgae. Some HABs produce toxins that have harmful effects on people, fish, marine mammals ...
Explainer: what causes algal blooms, and how we can stop them
网页2019年1月10日 · Outbreaks of algae have killed up to a million fish in the Murray Darling Basin over the last two weeks. The phenomena of “algae blooms”, when the population of algae in a river rapidly grows ...
How to Recognize a Harmful Algal Bloom | Harmful Algal Bloom …
网页2024年3月8日 · If it looks like paint was spilled on top of the water, that can be a sign of a harmful algal bloom. Foamy water can be a sign of a harmful algal bloom. Globs or mats of algae can be a sign of a harmful algal bloom. Changes to the water's color can be a sign of a harmful algal bloom.
Why do harmful algal blooms occur? - NOAA's National Ocean Service
网页2024年6月16日 · Harmful algal blooms (HABs) occur when colonies of algae—simple plants 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. While we know of many factors that may contribute to HABs, how these factors come together to create a …
Harmful Algal Blooms: Contributing Factors and Impacts
网页2024年4月18日 · Algal blooms known as "nuisance blooms" can discolor water, smell bad, and cause the water or fish to taste bad. Nuisance blooms are not usually dangerous to people, pets, and livestock because they do not make toxins. However, they can discourage people from visiting beaches, drinking tap water, or eating fish from water with an …
Red tides and algal blooms, facts and information - National …
网页By Jenny Howard. March 16, 2023. • 12 min read. Red tides are a type of harmful algal bloom, and they occur worldwide. There are over 300 species of red tide, and within the United States, these ...