Threats and Conservation Efforts for Coral Reefs

The video discusses the formation and ecological importance of coral reefs, highlighting their vulnerability to environmental changes such as temperature fluctuations, salinity, and human activities like agriculture and tourism. It also addresses the impact of climate change and natural predators on coral reefs, with a focus on the Great Barrier Reef. Conservation efforts by governments are mentioned as crucial for protecting these ecosystems.

What is the primary role of coral reefs in tropical seas?

• To prevent algae growth

• To reduce water salinity

• To support a diverse marine community

• To increase oxygen levels

What environmental factor can lead to coral bleaching?

• Decreased turbidity

• Fluctuations in salinity

• Stable temperatures

• Increased oxygen levels

How does agricultural runoff affect coral reefs?

• It stabilizes water temperature

• It increases fish populations

• It causes coral bleaching

• It enhances coral growth

What is a significant threat to the Great Barrier Reef mentioned in the transcript?

• Plastic pollution

• Overfishing

• Oil spills

• Crown of thorns starfish

What is the global response to the threats faced by coral reefs?

• Actively protecting reefs

• Ignoring the issue

• Promoting tourism

• Increasing fishing activities