Coral-Bleaching YouTube Lecture Handouts

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Why Coral Bleaching Occurs? 8 Major Causes & Human Intervention

The concept of coral bleaching, importance of corals, why bleaching occurs, major causes and human intervention as a main concern for depleting corals.

CORAL BLEACHING

  1. Zooxanthellae provide up to 90 per cent of the energy corals require to grow and reproduce.

  2. Coral bleaching breaks the relationship between the coral host and zooxanthellae

  3. Coral appears transparent.

  4. Most corals struggle to survive without zooxanthellae.

  5. Decrease coral growth and reproduction

  6. Die if the stress persists.

  7. Can take many years or decades to recover.

Coral Bleaching Image

Coral Bleaching Image

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Arthur’s Comparison

Arthur’s Comparison Iamge

Arthur’s Comparison Iamge

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CAUSES

Causes Image

Causes Image

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Statistics Great Barrier Reef

Statistics Great Barrier Reef Iamge

Statistics Great Barrier Reef Iamge

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Human Impact

What Can We Do?