the restoration of coral reefs n.
Skip this Video
Download Presentation
The Restoration Of Coral Reefs

Loading in 2 Seconds...

play fullscreen
1 / 24

The Restoration Of Coral Reefs - PowerPoint PPT Presentation

  • Uploaded on

The Restoration Of Coral Reefs. Brett Crawford. What are Coral Reefs?. Represent one of the most diverse ecosystems on planet; “Rainforest of the ocean”. Tropical and Semi-tropical waters. Temps range from 61-86 degrees Fahrenheit. Three types of Coral Reefs. . What are Coral Reefs?.

I am the owner, or an agent authorized to act on behalf of the owner, of the copyrighted work described.
Download Presentation

PowerPoint Slideshow about 'The Restoration Of Coral Reefs' - emera

Download Now An Image/Link below is provided (as is) to download presentation

Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.

- - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - -
Presentation Transcript
what are coral reefs
What are Coral Reefs?
  • Represent one of the most diverse ecosystems on planet; “Rainforest of the ocean”.
  • Tropical and Semi-tropical waters. Temps range from 61-86 degrees Fahrenheit.
  • Three types of Coral Reefs.
what are coral reefs1
What are Coral Reefs?
  • Barrier Reef
  • Occur offshore, separated from mainland by water.
  • Great Barrier Reef
  • Largest reef system, 2,900 individual reefs, 900 islands, stretches 1,600 miles.
  • Can be seen from space.
what are coral reefs2
What are Coral Reefs?
  • Fringing Reef
  • Has shallow back reef zone, reef grows directly from shoreline.
  • Most common reef type in Caribbean and Red Sea.
what are coral reefs3
What are Coral Reefs?
  • Atolls
  • An island of coral that encircles a lagoon partially or entirely.
  • Most are in Pacific Ocean.
what are coral reefs4
What are Coral Reefs?
  • Corals are very small animals.
  • Sessile
  • Eat small fish and plank-tonic animals using tentacles.
  • Corals grouped into colonies, individual parts are “Polyps”.
  • Polyps secrete Calcium Carbonate skeleton from base.
  • Substrate for Corals.
  • Coral grows as more Calcium Carbonate skeleton deposited.
  • Living Coral on surface.
  • Average growth 0.3-10 cm/per year.
what are coral reefs6
What are Coral Reefs?
  • Zooxanthellae Algae
  • Live in Polyps.
  • Symbiotic
  • Algae-photosynthesizes and creates food for coral.
  • Coral-provides protection and gives access to light.
what are coral reefs7
What are Coral Reefs?
  • Provide food and habitat for Sponges, Crabs, Shrimp, Sea Slugs, Sea Stars, Oysters, Sea Turtles and Fish.
  • Good indicators for water quality in ocean.
  • Protect coastlines from erosion.
coral reef values
Coral Reef Values
  • Natural goods for fisheries industry.
  • High value as fish sanctuary and nurseries.
  • Tourism
  • $483 million in annual net benefits to U.S. economy from tourism and recreational activities related to U.S. coral reefs.
  • $1.1 billion in annual net benefits to U.S. economy from overall goods and services related to U.S. coral reefs.
threats to coral reefs
Threats to Coral Reefs
  • Pollution
  • Agricultural and Industrial runoff.
  • Sewage and toxic waste discharge.
  • Erosion and sedimentation.
threats to coral reefs1
Threats to Coral Reefs
  • Fishing
  • Over-fishing can drastically decrease certain fish species, disrupt multiple Trophic levels.
  • Fishing techniques
  • Fishing gear
  • Anchoring of fishing vessels
threats to coral reefs2
Threats to Coral Reefs
  • Global Climate Change
  • Biggest threat to coral reefs.
  • Bleaching and spread of infectious diseases.
  • CO2 in atmosphere causing “ocean acidification”.
  • Rising water level, harder for light to get to corals.
solutions to coral reef threats
Solutions to Coral Reef Threats
  • NOAA Coral Reef Conservation Program and other agencies.
  • Fishing
  • “No Take” Zones-Florida Keys
  • Fish Replenishment Areas-West Hawaii
solutions to coral reef threats1
Solutions to Coral Reef Threats
  • Pollution
  • Control land based pollution sources.
  • Focus on protection of watershed quality
  • Easements, Trusts or Reserves from stakeholders party (local, state, federal, etc.)
global climate change
Global Climate Change
  • Too big for NOAA
  • Reduce the emissions of Green House Gases.
  • Too much excess CO2 already in atmosphere, coral reefs will be affected throughout this century.
  • Ocean absorbs 1/3 of additional CO2 from humans, causes further “ocean acidification”.
restoration ecology coral reefs
Restoration Ecology & Coral Reefs
  • Many coral reefs have passed their Abiotic threshold.
  • Assisting recovery of “freak landscapes”.
  • Increase ecological integrity and historical fidelity.
  • Goals must be dynamic, b/c ecosystems are dynamic.
restoration ecology coral reefs1
Restoration Ecology & Coral Reefs
  • Coral Farming or Gardening
  • Fragment poorly spaced Corals.
  • Attach to grate in nursery area.
  • Transplant when mature.
restoration ecology coral reefs2
Restoration Ecology & Coral Reefs
  • Collection of gametes during coral spawning.
  • Rear juvenile coral communities in lab from fertilized eggs.
  • Once mature, transplanted back into reef.
restoration ecology coral reefs3
Restoration Ecology & Coral Reefs
  • Education
  • “Adopt-A-Coral” program.
  • Increase public awareness
  • No social constraint
restoration ecology coral reefs4
Restoration Ecology & Coral Reefs
  • Coral Farming
  • Coral Reef-,r:9,s:93&biw=1280&bih=680
  • Barrier Reef-,r:8,s:57&biw=1280&bih=680
  • Fringing Reef-,r:0,s:0
  • Atolls-
  • Coral Polyp-
  • Zooxanthelae Algae-
  • Sedimentation-
  • Blast Fishing-
  • Bleaching-
  • Coral Farming-
  • Coral Spawning-
  • Adopt-A-Coral-
  • Adopt-A-Coral-
  • EPA, . "Coral Reef Protection: What Are Coral Reefs?." United States Environmental Protection Agency 04/06/2011: n. pag. Web. 18 Apr 2011. <>.
  • NOAA, . "NOAA Coral Reef Conservation Program." U.S. Department of Commerce:National Oceanic Atmospheric Administration . NOAA, 02/02/2010. Web. 18 Apr 2011. <>.
  • Linden, B., and B. Rinkevich. "Creating Stocks Of Young Colonies From Brooding Coral Larvae, Amenable To Active Reef Restoration." Journal of Experimental Marine Biology and Ecology 398.1-2 (2011): 40-46. Web. 18 Apr 2011. <>.
  • Waddell, , and Clark. "The State of Coral Reef Ecosystems Of The United States And Pacific Freely Associated States." NOAA's State Of The Coast 2008: n. pag. Web. 18 Apr 2011. <>.