Coral Reefs – why are they at risk?

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Presentation transcript:

Coral Reefs – why are they at risk? Learning Objective: To classify the risks to coral reefs To explain why the world’s oceans are under threat. Key Terms: El Nino Over-fishing Trawling Siltation Bleaching

Recap – what are the value of coral reefs? Fish Shoreline protection Aquamarine trade Tourism Education and research Medicine, jewellery, lime for cement and building.

Damage to Reefs in the Philippines

Destructive Factors Use three colours or draw three spider diagrams and classify the ‘Destructive Factors’ on pg 108 into Natural, Human, and Both. Q 2 pg 109

Homework Q 3 pg 109

Exam Q Explain why the world’s oceans are under threat. (4 marks)