What is a harmful algal bloom? | National Oceanic and …
Apr 27, 2016 · 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.
Harmful Algal Blooms (Red Tide) - NOAA's National Ocean Service
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.
Harmful Algal Blooms: Contributing Factors and Impacts
Apr 18, 2024 · Harmful algal blooms can hurt local ecosystems, including people, animals, and plants. Harmful algal blooms are more likely to grow in warm, slow-moving water with many nutrients. Help prevent harmful algal blooms from growing by using fertilizers properly and maintaining your septic system.
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.
Hitting Us Where it Hurts: The Untold Story of Harmful Algal Blooms
Harmful algae can contaminate seafood and drinking water with toxins, make humans and marine wildlife very sick, slow tourism, damage the environment, and kill fish. Harmful algal blooms cost us a lot of money.
Can we clean up, stop, or end harmful algal blooms? - NOAA's …
Harmful algal blooms — often referred to as HABs for short — occur when algae produce toxic or harmful effects on people, fish, shellfish, marine mammals, birds, or other aquatic organisms. Blooms occur in marine and freshwater environments throughout the world, with damaging ecological, social, and economic effects.
Red tides and algal blooms, facts and information - National …
Mar 16, 2023 · When environmental conditions, like temperature, nutrient levels, and wind, are right, the algae population explodes and huge blooms form. These blooms release massive amounts of brevotoxin...
Harmful algal blooms in inland waters - Nature
Aug 27, 2024 · Harmful algal blooms can produce toxins that pose threats to aquatic ecosystems and human health. In this Review, we outline the global trends in harmful algal bloom occurrence and explore the...
Sep 25, 2023 · Harmful algal blooms also damage local ecosystems, killing fish and other animals. Fast-growing blooms can deprive plants and animals in the water of sunlight and oxygen they need to live. Harmful algal blooms caused beach closures or health advisories in at least 34 states in 2022. Impact.