• Coral Reefs
    • Coral Reefs
    • The rainforests of the sea…
    • Contents
  • What are corals?
    • Welcome to an underwater world!
    • Where are the coral reefs?
    • Corals like it hot… but not too hot!
    • In constant evolution…
    • Doesn't it look like paradise?
    • A closer look at the reef
  • Importance of coral reefs as ecological treasure
    • Importance of coral reefs as ecological treasure
    • Fisheries
    • Warning species
  • Coral reefs under attack
    • Coral reefs under attack
  • What is coral bleaching?
    • What is coral bleaching?
    • When does coral bleaching occur?
  • Why use remote sensing for coral-reef research?
    • Why use remote sensing for coral-reef research?
    • Local measurements versus satellite measurements
    • What reflectance tells us
    • The relief of the sea
    • Distinguishing the different parts of a reef
    • How to determine bottom-types
    • Coastline changes
    • Which risks do corals face?
  • Coral reefs games and interactive pages
    • A closer look at the reef
  • Exercises
    • Exercises
  • Learn more
    • In-depth information about selected topics
  • Literature References
    • Literature References
  • List of External Links
    • List of External Links
  • Authors of the tutorial
    • Authors of the tutorial
  • Image Sources
    • Image Sources