aquaculture system
DESCRIPTION
Aquaculture system. Cherie lulu shimris | cataliana puello | uzi rabia| ozge tektas | Group no.16. Recirculating Aquaculture Systems. Recirculating aquaculture systems are systems in which aquatic organisms are cultured in water which is serially reconditioned and reused . - PowerPoint PPT PresentationTRANSCRIPT
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AQUACULTURE
SYSTEM
C H E R I E
LU L U S
H I MR I S
| CA T A L I A
N A PU E L L O |
U Z I R
A B I A| O
Z G E TE K T A S |
G R O U P NO . 1
6
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RECIRCULATING AQUACULTURE SYSTEMS
Recirculating aquaculture systems are systems in which aquatic organisms are cultured in water which is serially reconditioned and reused.
WHY? Conserves water Permits high density culture in locations where space and or
water are limiting Minimizes volume of effluent, facilitating waste recovery Allows for increased control over the culture environment,
especially indoors Improved biosecurity Environmentally sustainable
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GENERAL IDEA
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CULTURE TANK EFFLUENT
High concentrations of suspendedand dissolved solids
High ammonia levelsHigh concentration of CO2
Low levels of dissolved oxygen
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SYSTEM COMPONENTSAERIATION &
OXYGENATIONCO2 REMOVAL
HYDRAULICS
SOLID CAPTURE
WASTE MANAGEMENT
FINE & DISSOLVED
SOLID REMOVALS
DISINFECTION &
STERALIZATION
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CLASSIFICATION OF CULTURE SYSTEMSTemperature
Salinity
Impacts the rates of chemical and biological process at the most fundamental level Affects: bacterial growth, respiration, nitrification efficiencyCool-water species: below 20º CWarm-water species: above 20º C
Affects the oxygen saturation level
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LEVEL OF NUTRIENT ENRICHMENTSOLIGOTROPHICExcellent water qualityVery ClearUsed in display aquariaMost frequently used for
breeding purposesSome species are kept in
these conditions all of their lives, while others for a period of time
MESOTROPHICSome deterioration in aestheticsWater quality at safe levelsDissolved Oxygen- above 5 mg/LTAN & Nitrite – less than 1mg-N/LTotal suspended solids – less than 15 mg/LEUTROPHIC
Dissolved oxygen levels- economic optimum levelAmmonia & Nitrite – less than 2mg-N/LWater quality – marginalSpecies evolved under similar natural conditions prosper in these conditions
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INTEGRATED SYSTEMAn assembly of components that creates an artificial environment suitable for production,
breeding or display of aquatic animals
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INDOOR SYSTEM