Feeding the Nation: The Feeding the Nation: The Aquaculture AlternativeAquaculture Alternative

Sustainable Production Sustainable Production Strategies for theStrategies for the

2121stst Century Century

Kevan L. Main Kevan L. Main Mote Marine LaboratoryMote Marine Laboratory

Aquaculture Aquaculture TodayTodayPond & Nearshore Pond & Nearshore Net Pen & ShellfishNet Pen & Shellfish CultureCultureOpen/Flow-ThroughOpen/Flow-Through SystemsSystemsExtensive & Semi-Extensive & Semi- Intensive Production Intensive Production StrategiesStrategies

Aquaculture Aquaculture FutureFutureEnclosed ProductionEnclosed Production FacilitiesFacilitiesRecirculating SystemsRecirculating Systems and Offshore Cagesand Offshore CagesIntensive ProductionIntensive Production StrategiesStrategies

Mote’s Center for Aquaculture Mote’s Center for Aquaculture Research & Development Research & Development

Programs Focus:Programs Focus:Environmentally sound & economically Environmentally sound & economically

feasible culture systemsfeasible culture systemsHusbandry techniques for stock Husbandry techniques for stock

enhancement and food productionenhancement and food productionResearch & commercial scale applicationsResearch & commercial scale applicationsIntegrating aquaculture and agriculture Integrating aquaculture and agriculture

Mote Aquaculture Park May 2003

Mote Aquaculture Park September 2004

Sturgeon CommercialSturgeon CommercialDemonstration Program GoalsDemonstration Program Goals

Demonstrate commercial Demonstrate commercial viability of recirculating viability of recirculating system technology using a system technology using a high-value product high-value product (Sturgeon)(Sturgeon)

Develop innovative Develop innovative husbandry and sturgeon husbandry and sturgeon caviar processing caviar processing techniquestechniques

Shrimp CommercialShrimp CommercialDemonstration Program Demonstration Program

GoalsGoals

Design and test Design and test recirculating strategies recirculating strategies for zero discharge shrimp for zero discharge shrimp production systemsproduction systems

Assist the development of Assist the development of sustainable U.S. shrimp sustainable U.S. shrimp farming (food and bait farming (food and bait shrimp)shrimp)

Marine Fish Aquaculture Marine Fish Aquaculture Research GoalsResearch Goals

Develop commercial-Develop commercial-scale protocols for larval, scale protocols for larval, nursery and growout nursery and growout phasesphases

Identify appropriate live Identify appropriate live feeds for larval rearingfeeds for larval rearing

Determine culture Determine culture protocols for marine protocols for marine species in inland species in inland recirculating systemsrecirculating systems

Coral Aquaculture Coral Aquaculture Research GoalsResearch Goals

Develop culture techniques Develop culture techniques to produce Florida’s hard to produce Florida’s hard corals for restoration corals for restoration researchresearch

Design and construct culture Design and construct culture systems for seed bank & systems for seed bank & mass production culture mass production culture systemssystems

Compare growth and Compare growth and survival in field and lab survival in field and lab culture environmentsculture environments

Freshwater Recirculating Freshwater Recirculating Technology Research GoalsTechnology Research Goals

Develop commercial- Develop commercial- scale recirculating scale recirculating systems for sturgeon systems for sturgeon productionproductionOptimal water chemistryOptimal water chemistryConserve waterConserve waterReuse water (shrimp) and Reuse water (shrimp) and

solids (wetland plant solids (wetland plant production)production)

Maintain economic Maintain economic feasibilityfeasibility

Sturgeon Sturgeon Growout Growout FacilitiesFacilities

Marine Recirculating Marine Recirculating Technology Research GoalsTechnology Research Goals

Develop turn-key recirculating Develop turn-key recirculating systems for marine fish and systems for marine fish and marine larval feeds productionmarine larval feeds production Optimal water chemistryOptimal water chemistry Quickly remove solids and oilsQuickly remove solids and oils Reuse water (fish) and solids Reuse water (fish) and solids

(mangrove production)(mangrove production) Conserve waterConserve water Maintain economic feasibilityMaintain economic feasibility

Marine Systems: Multi-step Marine Systems: Multi-step Filtration to Maintain Oceanic Filtration to Maintain Oceanic Water ConditionsWater Conditions

Step 1: Primary FiltrationStep 1: Primary Filtration Solids RemovalSolids Removal BiofiltrationBiofiltration Foam FractionationFoam Fractionation UVUV

Marine Systems: Multi-step Marine Systems: Multi-step Filtration to Maintain Oceanic Filtration to Maintain Oceanic Water ConditionsWater Conditions

Step 2: Clean-Water Step 2: Clean-Water FiltrationFiltration

DenitrificationDenitrification Foam FractionationFoam Fractionation OzoneOzone U.V.U.V. Charcoal FiltrationCharcoal Filtration

Marine Systems: Multi-step Marine Systems: Multi-step Filtration to Maintain Oceanic Filtration to Maintain Oceanic Water ConditionsWater Conditions

Step 3: Concentration Step 3: Concentration and drying of solidsand drying of solids Solids are dried for Solids are dried for

agricultural agricultural production or production or disposaldisposal

Water is filtered and Water is filtered and reclaimed using reclaimed using reverse osmosis reverse osmosis