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Protecting Coral Reefs: Understanding Natural and Human Threats

This informative piece highlights the various threats faced by coral reefs, both from nature and human activities. From strong waves and water temperature changes to pollution and destructive fishing practices, coral reefs are at risk. Learn about how human actions such as pollution and deforestation impact these vital ecosystems and discover what steps we can take to protect and conserve coral reefs for future generations.

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Protecting Coral Reefs: Understanding Natural and Human Threats

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Presentation Transcript

  1. Threats to Coral Reefs Natural and Human

  2. Threats from Nature • Unusually strong waves such as those from a hurricane • Water temperature changes • Dramatic changes in saltiness of water • Predators, such as snails and crown of thorns starfish • Overgrowth of algae

  3. Coral-eating Snails

  4. Crown of Thorns Starfish

  5. Threats from Humans • Pollution • Sediments block light from zooxanthellae • Chemicals either poison corals or allow too much algae to grow • Power plants • Filter water and kill fish and plankton • Releasing hot water kills organisms

  6. Pollution

  7. Power Plants

  8. More Threats from Humans • Deforestation • Causes erosion which clouds the water • Burning of trees could be a factor in climate change • Destructive fishing • Blasting with dynamite • Cyanide poison • Boats running aground, anchors • Overfishing

  9. It’s up to Us to Save Coral Reefs Be Responsible.

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