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What Does Coral Bleaching Mean?

Marcus Vance • • 6 min read
What Does Coral Bleaching Mean?
Coral bleaching is a process whereby the coral colonies lose their colour, either due to the loss of pigments by microscopic algae (zooxanthellae) living in symbiosis with their host organisms (polyps), or because these zooxanthellae have been expelled.

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Moreover, what is coral bleaching caused by?

When corals are stressed by changes in conditions such as temperature, light, or nutrients, they expel the symbiotic algae living in their tissues, causing them to turn completely white. Warmer water temperatures can result in coral bleaching. This is called coral bleaching. When a coral bleaches, it is not dead.

Likewise, how do you fix coral bleaching? More acidic ocean waters impede coral growth and warmer waters cause coral bleaching. Reduce stormwater runoff. Reducing stormwater runoff can help prevent water pollution, reduce flooding, and protect our water resources.

Hereof, can Coral recover from bleaching?

Corals can recover quite quickly from bleaching events once the stresses are relieved, in some cases regaining their colour in a matter of days. However, each bleaching event weakens the overall health of the coral over time.

What are the impacts of coral bleaching?

Bleaching leaves corals vulnerable to disease, stunts their growth, affects their reproduction, and can impact other species that depend on the coral communities. Severe bleaching kills them. The average temperature of tropical oceans has increased by 0.1˚ C over the past century.

Related Question Answers

What does dead coral look like?

Look at the color and shape. Old dead corals will be broken down, and lack a healthy color, and are sometimes covered in algae. Corals that have been bleached from rising ocean temperatures turn white when the symbiotic algae leaves the coral. In some rare circumstances these may recover if the algae returns.

What are the long term effects of coral bleaching?

Bleached corals are likely to have reduced growth rates, decreased reproductive capacity, increased susceptibility to diseases and elevated mortality rates. Changes in coral community composition can occur when more susceptible species are killed by bleaching events.
Marcus Vance
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Marcus Vance

Marcus Vance is a cybersecurity auditor and technology writer dedicated to educating the public about online safety, data privacy regulations, enterprise security, and emerging cyber threats.