Podcast
Questions and Answers
What is a significant human cause contributing to coral reef destruction in Fiji?
What is a significant human cause contributing to coral reef destruction in Fiji?
- Growing seabed vegetation
- Natural cyclones damaging the reefs
- Over-fishing practices (correct)
- Coral being used for scientific research
How does rising sea temperature affect coral reefs during an El Niño event?
How does rising sea temperature affect coral reefs during an El Niño event?
- It lowers the likelihood of cyclones
- It enhances fish diversity
- It causes algae in corals to die (correct)
- It increases coral growth rates
What role do coral reefs play in protecting the land in Fiji?
What role do coral reefs play in protecting the land in Fiji?
- They stabilize the seabed to prevent erosion
- They filter pollutants from water
- They act as barriers to storm waves (correct)
- They provide habitat for agricultural species
What consequence results from excessive sediment and sewage runoff into coral reefs?
What consequence results from excessive sediment and sewage runoff into coral reefs?
Which organism is known to increase in number due to agricultural runoff affecting coral reefs?
Which organism is known to increase in number due to agricultural runoff affecting coral reefs?
What is a primary environmental benefit of Fiji's coral reefs?
What is a primary environmental benefit of Fiji's coral reefs?
Which factor contributes directly to coral bleaching in Fiji?
Which factor contributes directly to coral bleaching in Fiji?
Why are coral reefs considered ecologically important in Fiji?
Why are coral reefs considered ecologically important in Fiji?
What primary role do coral reefs play in Fiji's economy?
What primary role do coral reefs play in Fiji's economy?
What is one of the conservation practices implemented by The Hide-away Resort in Fiji?
What is one of the conservation practices implemented by The Hide-away Resort in Fiji?
Which of the following is NOT a pressure faced by coral reefs worldwide?
Which of the following is NOT a pressure faced by coral reefs worldwide?
How is Fiji's Coral Coast significant in the context of coral reefs?
How is Fiji's Coral Coast significant in the context of coral reefs?
What cultural significance do the reefs hold for the local people of Fiji?
What cultural significance do the reefs hold for the local people of Fiji?
What does the 'P' shape on the top of the reef walk markers signify?
What does the 'P' shape on the top of the reef walk markers signify?
What impact does over-fishing have on coral reefs?
What impact does over-fishing have on coral reefs?
Why are coral reefs critical for marine biodiversity?
Why are coral reefs critical for marine biodiversity?
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Study Notes
Coral Reef Conservation in Fiji
- Fiji has been struggling to conserve its coral reefs for the past 20 years.
- Two-thirds of the reefs are considered at risk.
- The coral reefs are of significant environmental and economic importance to Fiji.
Human Impacts on Coral Reefs
- Overfishing and boat/anchor damage have negatively impacted the reefs.
- Fiji used to be a major exporter of coral and fish for aquariums.
- Tourist activity, including walking on the reefs and diving/snorkeling, has caused damage.
- Rapid population growth in coastal areas has increased the amount of pollutants entering the reefs.
Natural Impacts on Coral Reefs
- Cyclones cause destructive waves that damage the reefs every 3-4 years.
- Cyclones bring in nitrates and phosphates from agricultural runoff, which increases the number of Crown-of-Thorns starfish that feed on coral polyps.
- El Niño events cause warmer water temperatures, leading to coral bleaching.
- Bleaching causes the death of algae that live with the polyps, leaving the coral white and eventually causing the polyps to die as well.
- Lower salinity levels also contribute to coral bleaching.
Significance of Coral Reefs to Fiji
- Coral reefs boast high biodiversity with over 300 species of coral and 2,000 species of fish.
- They provide vital protection from storm waves.
- The reef ecosystem is being researched as a potential source of new medicines.
- The reefs are critical to Fiji's economy through fishing and tourism.
- Coral reefs hold deep cultural significance for the Fijian people, and traditional practices once helped regulate their use.
The Hide-away Resort Conservation Efforts
- The resort promotes awareness about the importance of the reef, and provides educational opportunities for visitors.
- The area directly in front of the resort is a protected zone with restricted access.
- Snorkeling is allowed at high tide, but walking on the coral is prohibited.
- A designated reef path is provided for guided walks.
- Visitors can observe marine life from a glass-bottomed boat.
- A coral nursery is maintained in the lagoon to cultivate and protect coral.
- Notices throughout the resort remind visitors about the importance of coral reef conservation.
Threats to Coral Reefs Globally
- Coastal development
- Pollution
- Sedimentation
- Overfishing
- Walking on the reef
- Natural disasters
- Eutrophication
Eutrophication Impacts
- Eutrophication is an enrichment of water bodies with nutrients, leading to excessive algal growth and the depletion of oxygen.
- This process disrupts the delicate balance of the reef ecosystem, causing significant harm.
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