Algal blooms are the result of a nutrient, like nitrogen or phosphorus from various sources (for example fertilizer runoff or other forms of nutrient pollution), entering the aquatic system and …

Sep 10, 2025 · 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 …

Jan 9, 2024 · 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 …

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 …

Jul 4, 2025 · Algal blooms are rapid growths or gatherings of algae in aquatic systems like lakes, rivers, or oceans. Depending on the algae, such blooms can cause red, brown, or blue …

Jul 19, 2025 · Learn about the environmental conditions that cause dense algal growth and the associated health considerations for people, pets, and surrounding ecosystems.

Jul 15, 2025 · This article discusses what harmful algal blooms (HABs) are and summarizes quick identification tips, water testing, and bloom control methods.

Apr 3, 2025 · Harmful algal blooms (HABs) are a significant environmental concern due to their potential effects on health, ecosystems, and economies. Algal toxins, which are toxic …

Mar 6, 2025 · Algae blooms happen when cyanobacteria, also known as blue-green bacteria, have excess nitrogen and phosphorus, especially in dead zones. This growth takes up all the …

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 …