Algae are always in natural bodies of water like oceans, lakes, and rivers, and a few types produce toxins. A harmful algal bloom (HAB) occurs when toxin-producing algae grow excessively in a body of water.
Lethal algae blooms – an ecosystem out of balance
National Institute of Environmental Health Sciences: NIEHS Home page
Harmful Algal Blooms (HABs)
Harmful Algal Blooms: Science to Support Solutions from Shore to
Harmful Algal Blooms (HABs) - NYSDEC
Summary Report – One Health Harmful Algal Bloom System (OHHABS
Harmful Algal Blooms U.S. Geological Survey
China's blueprint to clean lakes and stop algae blooms is working
Template A rapid, reliable and effective tool for assessing toxic
National Institute of Environmental Health Sciences: NIEHS Home page
New Study Finds Growing Potential for Toxic Algal Blooms in