INTEGRATING RESTORATION INTO CORAL REEF MANAGEMENT … · 2017. 9. 1. · 11/8/2011 10 Long-Spined...
Transcript of INTEGRATING RESTORATION INTO CORAL REEF MANAGEMENT … · 2017. 9. 1. · 11/8/2011 10 Long-Spined...
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INTEGRATING RESTORATION INTO CORAL
REEF MANAGEMENT
Where we were, where we are and where we are heading…
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State of the Reef System
2000 2100
Ree
f con
ditio
n 2011
2050
Small Scale Direct Site Restoration
Overfishing/LBSP/Climate Change
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Engineering Solutions: “Build it and they will come approach…”
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State of the Reef System
2000 2100
Ree
f con
ditio
n 2011
2050
Ecosystem Restoration + Threat Abatement Threat Abatement or Ecosystem Restoration Status Quo
Overfishing/LBSP/Climate Change
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Ecological Restoration
• Now we have broadened our definition of restoration beyond just restoring physical impacts
• Integrating effective ecological restoration methods – Threat Reduction:
• Broward Anchorage* • MPA • Watershed Restoration
– Species & Population Enhancement • Corals • Diadema • Fish
– Restoration of Associated Habitats • Seagrass • Mangroves
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NOAA ARRA Project Sites
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Active Species and Population Enhancement
1) FRAGMENT COLLECTION
3) RESTORATION / OUTPLANTING
2) NURSERY GROW-OUT PHASE
4) REPRODUCTION
5) RECOVERY
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Long-Spined Urchin Restoration Project: Vision
•Holistic Reef Restoration…actively restore ecologically functional coral reefs via reintroduction of hatchery-raised Diadema antillarum and nursery propagated corals
•Why D. antillarum? Keystone herbivore whose decline has been recognized as one of the reasons for the degradation of coral reefs
Active Species and Population Enhancement
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Long-Spined Urchin Restoration Project: Status
Hatchery •successful spawning on demand •successful larval culture •metamorphosis and juvenile grow-out remain a challenge
•Comparing behavioral and ecological characteristics of hatchery-raised and wild juveniles
• morphological differences • differences in sheltering behavior
Hatchery
Wild
Laboratory Studies
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Long-Spined Urchin Restoration Project: Plans
•Mitigate hatchery-raised morphological and behavioral differences
•Experimental releases of D. antillarum to determine best release size, season, density
•Are urchins shelter limited? • Test artificial urchin shelters as a recruitment device
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Reef Flat Restoration: Invasive Algae Removal
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Where to go from here with the help of the USCRTF:
- State of Coral Reefs necessitate active restoration to enable Coral Reefs to recovery in conjunction with threat abatement.
- Active Restoration: - Utilization of this tool for compensatory
mitigation - Population Recovery - Programmatic Support for Continued Coral
Restoration Projects