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Section 5 - Coral Reefs and Lagoons

Content: The Darwin-Dana-Daly theory of atoll formation.  The protective role of reefs, and the causes and effects of reef erosion.  Reconstructing the history of reefs.

 

Learning Outcomes: Candidates should be able to:

(a) demonstrate an understanding of the Darwin-Dana-Daly theory of atoll formation, and the evidence supporting the theory

(b) relate the Darwin-Dana-Daly theory to the physiology of coral

(c) discuss the role of reefs in dissipating the energy of waves, and in providing protection for shores and anchorages

(d) discuss the factors that can lead to a transition from reef growth to reef erosion

(e) discuss the impact of reef erosion, and the use of artificial reefs, on the protection of shores and anchorages

(f) describe the methods used for reconstructing the history of reefs, including drilling, geomorphologic analysis and carbon dating

(g) explain how these methods may be used to investigate the effect of sea level changes on coral reefs

(h) use the knowledge and understanding gained in this section in new situations, or to solve related problems.

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