SettlementPlates: Difference between revisions

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** Yields comparable data to natural reef substrata without damaging the reef
** Yields comparable data to natural reef substrata without damaging the reef


===Problems with Settlement Plates===
===Problems with Settlement Plates=== <ref name="Method">
* Typically use surfaces not found in the natural environment  
* Typically use surfaces not found in the natural environment  
* Difficult to know where in the reef to place them. Drastic difference between plates only 5 meters apart
* Difficult to know where in the reef to place them. Drastic difference between plates only 5 meters apart
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*Destructive
*Destructive
** Using live coral as a recruitment measure
** Using live coral as a recruitment measure
                 
 
===Examples of settlement plates being implemented===
===Examples of settlement plates being implemented===
*St. John case study <ref name="St. John"> Green, Daniel H., Edmunds, Peter J.. "Spatio-temporal variability of coral recruitment on shallow reefs in St. John, US Virgin Islands." Journal of Experimental Marine Biology and Ecology, Volume 397, Issue 2, 15 February 2011, Pages 220-229</ref>
*St. John case study <ref name="St. John"> Green, Daniel H., Edmunds, Peter J.. "Spatio-temporal variability of coral recruitment on shallow reefs in St. John, US Virgin Islands." Journal of Experimental Marine Biology and Ecology, Volume 397, Issue 2, 15 February 2011, Pages 220-229</ref>

Revision as of 10:24, 28 February 2013


Settlement Plates

What are settlement plates?

  • Suitable strata for corals to settle and grow
  • Devices used to determine health of coral reefs (more recruitment, more reef growth)
    • Density and Recuitment
  • Can be used to determine spawning events
  • Locations
    • Coral Reefs
      • Horizontal
      • Vertical
      • Different depths
    • Artificial reefs
      • Reef balls
  • Types
    • Ceramic tiles (finished, unfinished)
      • best option
      • gap habitat
    • Petri Dishes
    • Glass
    • Dead branching coral
    • Slices or blocks of stony coral

What do settlement plates measure?

  • Coral recruitment
    • Health of coral reef
    • Scientists don’t know much about the coral reproduction process
    • Phi Phi Islands case study (recruitment after tsunami)

How are settlement plates used?

  • Methods and different types of Settlement plates [1]
    • Similar Depth
    • Similar attachment mechanisms
      • Wire mesh
      • Steel bolts
    • Place the settlement plates before a known spawning period or leave them there for a complete season cycle
    • Label, bleach, dry
    • Examine with a dissection microscope
  • Why use Settlement Plates [2]
    • Able to be removed from reef
    • Yields comparable data to natural reef substrata without damaging the reef

===Problems with Settlement Plates=== Cite error: Closing </ref> missing for <ref> tag

  • Phi Phi Islands, Thailand [3]
  • Australia, Great Barrier Reef near Cairns [4]



Notes

  1. Harriott, Vicki J., and David A. Fisk. "A comparison of settlement plate types for experiments on the recruitment of scleractinian corals." Marine Ecology Progress Series. 37. (1987): 201-208. Print.
  2. Salinas-de-Leon, Pelayo, et al. "Scleractinian Settlement Patterns to Natural Cleared Reef Substrata and Artificial Settlement Panels on an Indonesian Coral Reef." Estuarine, Coastal and Shelf Science 93.1 (2011): 80-5. GeoRef. Web. 25 Feb. 2013.
  3. Phongsuwan, N., C. Richter, and Y. Sawall. "Coral recruitment and recovery after the 2004 Tsunami around the Phi Phi Islands (Krabi Province) and Phuket, Andaman Sea, Thailand." Helgoland Marine Research 64.4 (2010): 357+. Academic OneFile. Web. 25 Feb. 2013.
  4. Harriott, V. J., and D. A. Fisk. "Recruitment Patterns of Scleractinian Corals: A Study of Three Reefs." AUST.J.MAR.FRESHWAT.RES. 39.4 (1988): 409-16. Environmental Sciences and Pollution Management. Web. 25 Feb. 2013.
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