Reef Rehabilitation - Biri Initiative

Step 6a: Determine which artificial reef type or substrate type is required 43. Substrate ...... Functional void space shrinks during storm events and times of high velocity currents. At these ..... A quick Internet search will yield ..... If your goals include tropical coral re-stabilization or coral propagation and planting to speed up.
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A step-by-step guide for grassroots efforts to

Reef Rehabilitation

A publication of the Reef Ball Foundation

The Reef Ball Foundation is a Public 501(c) 3 International Environmental Non-Profit Organization

www.reefball.org Version 0.8.1 beta / 07/05/08 © 2006-2008, Reef Ball Foundation, Inc (some images © by original owners) 890 Hill Street • Athens, Georgia 30606

Table of Contents Preface..........................................................................................................6 STEP 1: DETERMINE PROJECT GOALS, BUDGET, RESOURCES AND TIMELINE.........................................................................................................................1 Setting Primary Project Goals.......................................................................1 Setting Secondary “Reef Function” Goals.....................................................2 Check Point #1: Goals Worksheet ...............................................................3 Determining Budget and Resources.............................................................4 Check Point #2: Budget & Resources Worksheet: ......................................5 Timeline........................................................................................................6 Crisis Timelines: Creating Temporary ‘Disaster Nurseries‘..............................6 Non-Crisis Timelines: Project Management................................................... 9 Check Point #3: Timeline ............................................................................9 STEP 2: DAMAGE ASSESSMENT...............................................................................10 Quantitative Measures:...............................................................................10 Area of Bottom Impacted...........................................................................10 Cubic Volume of Reef Habitat Lost.............................................................10 Reef Head Size and Density .....................................................................10 Diversity of Coral, Fish, Invertebrates, and Other Impacted Species.............11 Number of Coral Colonies Impacted...........................................................11 Semi-Quantitative Measures.......................................................................11 Protective Void Space Loss........................................................................11 Biological Surface Area Loss.....................................................................16 Qualitative Measures:.................................................................................16 Loss of Reef Functions..............................................................................16 Expert Opinion .........................................................................................17 Check Point #4: Damage Assessment Worksheet.....................................18 STEP 3: REHABILITATE AN EXISTING REEF OR BUILD A NEW REEF?.......19 Rehabilitating an Existing Reef...................................................................19 Building a New Reef....................................................................................21 Check Point:#5: To Build or Renovate?.....................................................22 STEP 4: SITE SELECTION ..........................................................................................23

Step 4a: Determining Sites for Surveying...................................................23 Check Point #6: Potential Site(s) Map Worksheet(s).................................25 Step 4b: Bottom Survey..............................................................................26 Check Point #7: Updated Potential Site Map Worksheets.........................30 Step 4c: Validate Site Water Quality Supports Goals..................................31 Water Quality to Support Human and Use Goals.........................................31 Water Quality To Support Desired Species........