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2. Heterosigma akashiwo - Wikipedia

   en.wikipedia.org/wiki/Heterosigma_akashiwo

   Heterosigma akashiwo is a species of microscopic algae of the class Raphidophyceae. [1] [2] It is a swimming marine alga that episodically forms toxic surface aggregations known as harmful algal bloom. The species name akashiwo is from the Japanese for "red tide". [1]

3. Reactive oxygen species production in marine microalgae

   en.wikipedia.org/wiki/Reactive_oxygen_species...

   There are three main reactive oxygen species: the superoxide anion (O 2 −), hydrogen peroxide (H 2 O 2), and the hydroxyl radical (OH•). The superoxide anion is formed directly from the one-electron reduction of molecular oxygen. [29] Hydrogen peroxide is then formed from the disproportionation of the superoxide anion. This reaction occurs ...

4. Bioremediation - Wikipedia

   en.wikipedia.org/wiki/Bioremediation

   Greater amounts of oxygen can be provided by contacting the water with pure oxygen or addition of hydrogen peroxide (H 2 O 2) to the water. In some cases, slurries of solid calcium or magnesium peroxide are injected under pressure through soil borings. These solid peroxides react with water releasing H 2 O 2 which then decomposes releasing ...

5. Algaecide - Wikipedia

   en.wikipedia.org/wiki/Algaecide

   Barley straw, in England, is placed in mesh bags and floated in fish ponds or water gardens to help reduce algal growth without harming pond plants and animals. Barley straw has not been approved by the United States Environmental Protection Agency (EPA) for use as a pesticide and its effectiveness as an algaecide in ponds has produced mixed results during university testing in the United ...

6. Hydrogen peroxide - Wikipedia

   en.wikipedia.org/wiki/Hydrogen_peroxide

   Hydrogen peroxide is a chemical compound with the formula H 2 O 2.In its pure form, it is a very pale blue [5] liquid that is slightly more viscous than water.It is used as an oxidizer, bleaching agent, and antiseptic, usually as a dilute solution (3%–6% by weight) in water for consumer use and in higher concentrations for industrial use.

7. Coral bleaching - Wikipedia

   en.wikipedia.org/wiki/Coral_bleaching

   Coral and microscopic algae have a symbiotic relationship. When water temperatures get too high, the algae leave the coral tissue and the coral begins to starve. [20] Climate change will affect coral reef ecosystems, through sea level rise, changes to the frequency and intensity of tropical storms, and altered ocean circulation patterns.