Algal bloom - Wikipedia
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 …
Algal Blooms - National Institute of Environmental Health Sciences
Oct 24, 2024 · 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 and Your Health | Harmful Algal Bloom …
Harmful algal blooms are the rapid growth of algae or cyanobacteria in water that can harm people, animals, or the environment. Going in or near water with a harmful algal bloom can make you and your animals sick. Stay out if water looks discolored, has scum, or smells bad.
Algal Blooms: The Causes, Dangers and Some Solutions
"Algal bloom" is a catch-all name that includes any type of algae that has outgrown its appropriate population size in a body of water. Like flowers in a garden, they can be as different as roses and daffodils.
What Are Algal Blooms and Why Do They Matter?
Dec 13, 2017 · Algal blooms are dense layers of tiny green plants that occur on the surface of lakes and other bodies of water when there is an overabundance of nutrients (primarily phosphorus) on which algae depend. This effect is called eutrophication.
Algal blooms aren’t always harmful, but when they are, science is …
Aug 8, 2024 · When an algal bloom “runs away" from ecological checks and balances, it can create negative consequences and if it does, it’s called a harmful algal bloom. For instance, algal blooms can cause water bodies to become anoxic, meaning they have little-to-no oxygen.
Explainer: what causes algal blooms, and how we can stop them
Jan 10, 2019 · The phenomena of “algae blooms”, when the population of algae in a river rapidly grows and dies, can be devastating to local wildlife, ecosystems and people. But what are algae blooms? What...
Why do harmful algal blooms occur? - NOAA's National Ocean Service
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.
Red tides and algal blooms, facts and information - National …
Mar 16, 2023 · The Pseudonitzchia species of algae, forms of diatoms, more commonly create red tides off the coast of California. Some of these blooms can be harmless, because not all produce the toxin domoic...
Algal blooms: Current Biology - Cell Press
Oct 5, 2020 · What are algal blooms? Algal blooms are commonly defined as ephemeral events of rapid proliferation of phytoplankton, leading to the formation of dense assemblages in diverse aquatic ecosystems, including freshwater rivers and …