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SubjectsGeographyPhysical GeographyChapter 3 — Oceanography3.5 Coral Reefs & Mangroves

Topic 3.5 · Geography · Oceanography

Coral Reefs & Mangroves

Coral Reefs & Mangroves is studied as part of "Oceanography" (Physical Geography) in Geography. Oceanography covers the relief of the ocean floor, salinity, temperature, currents, tides and the rich living and mineral resources of the seas.

In the examination context, coral reefs & mangroves carries conceptual questions that test both factual recall and analytical understanding. Revise this topic in sequence with the rest of the chapter so that chronological and thematic links are clear.

Important Facts

Oceanic ridges
Mid-ocean ridges are sites of sea-floor spreading
Gulf Stream
Warm current of the North Atlantic
Spring tide
Occurs at new and full moon
Coral reefs
Limited to warm, shallow tropical waters

Key Points

  • Oceanic ridges — Mid-ocean ridges are sites of sea-floor spreading
  • Gulf Stream — Warm current of the North Atlantic
  • Spring tide — Occurs at new and full moon
  • Coral reefs — Limited to warm, shallow tropical waters

Important Names

James CookMatthew MauryAlexander von Humboldt

Important Dates

1872Challenger expedition began ocean research
Exam-Oriented Notes
  • »Warm currents raise coastal temperatures; cold currents lower them. Great Barrier Reef and the coral triangle are recurring points.

Related topics

3.1 Relief of the Ocean Floor3.2 Temperature, Salinity & Density3.3 Ocean Currents & Tides3.4 Marine Resources
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