How do coral reefs affect the environment?

How do coral reefs affect the environment?

Benefits of coral reef ecosystems Coral reefs protect coastlines from storms and erosion, provide jobs for local communities, and offer opportunities for recreation. They are also are a source of food and new medicines. Over half a billion people depend on reefs for food, income, and protection.

Why is the Great Barrier Reef good for the environment?

protect coastlines from the damaging effects of wave action and tropical storms. provide habitats and shelter for many marine organisms. are the source of nitrogen and other essential nutrients for marine food chains. assist in carbon and nitrogen fixing.

What are the environmental issues of the Great Barrier Reef?

Threats

• Climate change. Climate change is the greatest threat to the Great Barrier Reef, threatening its very existence.
• Water quality. Increasing sediment, nutrients and contaminants, combined with rising sea temperatures and ocean acidification are damaging the Reef.
• Crown of Thorns Starfish.
• Coastal development.

What are the negative impacts of tourism on the Great Barrier Reef?

When tourists accidently touch, pollute or break off parts of the reef, corals experience stress. The coral organisms try to fight off the intrusion, but this process often leads to coral bleaching—when corals expel the brightly colored algae that live in them and become completely white.

Does Fraser Island have crocodiles?

Crocodiles within Fraser Island Saltwater Crocodiles are found in Australia’s northern region, found in the tropics of Australia in both their shallow seashores and murky rivers and lakes. However, crocodiles do not have a permanent population on Fraser Island, but they can pop up on occasion.

How many dingoes are left on Fraser Island?

200 dingoes

How dangerous is Fraser Island?

The riptides of Fraser island are stronger than most, spotted all along the shores, and causing very dangerous swimming conditions. Sharks are also routinely seen in the shallow waters of Fraser Island, attracted by the large schools of fish nearby.