miller et al 2014 - gulf and caribbean fisheries institute · corerx base. field efforts....
TRANSCRIPT
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Randall et al 2018Miller et al 2014
Randall et al 2018
Randall et al 2018
K. Neely K. NeelyTransplantation of Healthy Tissue Removal of Infected Tissue Shading
Aspiration + Smothering Smothering Trenching
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Chlorinated Epoxy (+ Trenching) Antibiotics
Aeby et al 2015
Kline et al 2011
Day 1 Day 4 Day 1 Day 6
Control Ampicillin
Sweet et al 2014
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SCTLD: Antibiotic water dosing
Woodley et al. 2018. NOAA report
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Woodley et al. 2018. NOAA report
SCTLD: Antibiotic paste
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• Untreated controls (N=33): 97%• Physical barrier (trench and/or smother) (N=60): 95%• Chlorinated barrier (N=48): 90%• Antibiotic barrier (N=100): 22-75%
• Clay/epoxy (N=36): 75%• CoreRx paste (N=9 ): 22%
• Amputation and Antibiotic Dosing (N=40): 0%
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Comparing Leach Rates
Dental Paste Dissolution
Clay
Dental Paste
CoreRx base
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Field Efforts
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Amoxicillin Paste Chlorinated Epoxy
1 month
Treatment
1 month
Treatment
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• With time, ALL species have lower failure rates with amoxicillin
• Brain corals QUICKLY fail when treated with chlorinated epoxy
Chlorine - 1 monthAmoxicillin – 1 month
OFAV
PSTR
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1. Use guiding principles to identify high-priority sites and high-priority corals
FIELD STEPS
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Ecological:
• Coral diversity
• Coral density
• Target species (ESA-species, reef-building species)
• Coral demographics
• Site isolation
Guiding principles for determining priority coral sites
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Regulatory:
• Level of protection (MPA)
• Recreational area:
• project visibility
• citizen science
• risks
• effectiveness
Guiding principles for determining priority coral sites
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Treatability:
• Site size, coral density
• Number of sites
• Location (ease of access, anchoring, visibility, co-occurrence with management)
Guiding principles for determining priority coral sites
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Ecological:
• Structure building species
• Large colonies
• Colonies surrounded by others of same species
Regulatory:
• Iconic corals
• ESA-listed corals
Guiding principles for determining priority coral colonies
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Treatability:
• High amount of remaining tissue
• Small number of active lesions
• Treatable lesions
Guiding principles for determining priority coral colonies
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1. Use guiding principles to identify a high-priority coral
2. Tag and collect any relevant data and photos for follow-up monitoring
FIELD STEPS
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1. Use guiding principles to identify a high-priority coral
2. Tag and collect any relevant data and photos for follow-up monitoring
3. Conduct treatment and place indicator nails for follow-up monitoring
FIELD STEPS
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1 month 2 monthMCAV 53% 58%OFAV 75% 69%CNAT 56% 68%DLAB 33% 67%PSTR 40%SSID 68%
REINFECTION RATE:% of amoxicillin-treated colonies
needing new treatments