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Human Impacts on Coral Reefs

Human Impacts on Coral Reefs. Part 4 The Kane‘ohe Bay Story. Kane‘ohe Bay, O‘ahu. Length = 13.5 km Width = 4.5 km Shoreline = 30.7 km Average Depth = 8.4 m. Kane‘ohe Bay. Formation of O‘ahu. Kane‘ohe Bay Watershed. Watershed drains 97 km 2 of land area.

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Human Impacts on Coral Reefs

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  1. Human Impacts on Coral Reefs Part 4 The Kane‘ohe Bay Story

  2. Kane‘ohe Bay, O‘ahu Length = 13.5 km Width = 4.5 km Shoreline = 30.7 km Average Depth = 8.4 m

  3. Kane‘ohe Bay Formation of O‘ahu

  4. Kane‘ohe BayWatershed Watershed drains 97 km2 of land area. Annual rainfall averages 140-240 cm/year. Total stream discharge rate is 214,000 m3/day. http://cramp.wcc.hawaii.edu/Downloads/Publications/OD_JOKIELs_Scientific_Guide_to_K-Bay.pdf

  5. Generalized profile of a fringing reef in Kaneohe Bay

  6. Generalized profile of a patch reef in Kaneohe Bay

  7. Generalized profile of a barrier reef complex in Kaneohe Bay

  8. Flood tide Circulation of Kaneohe Bay

  9. Ebb tide Circulation of Kaneohe Bay

  10. Freshwater Reef Kills

  11. Effects of Freshwater The Phoenix Effect in Porites compressa Cut surface of a broken finger showing living tissue beneath the surface of the skeleton Normal colony next to a colony exposed to freshwater

  12. Effects of Freshwater Parricidal Budding in Fungia scutaria The Phoenix Effect

  13. Pre-Western Contact Impacts

  14. Recent History of Kane‘ohe Bay

  15. Population Growth in Kane‘ohe Area Year Population size 1920: 2,990 1940: 5,387 1960: 29,662 1990: 66,760

  16. Recent History of Kane‘ohe Bay

  17. Recent History of Kane‘ohe Bay

  18. Bubble Algae

  19. Recent History of Kane‘ohe Bay

  20. Recent History of Kane‘ohe Bay

  21. Introduced and Invasive Seaweed Species

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