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Optimization of Aquaponics System in Hawaii: Preliminary data. Marissa Lee University of Hawaii, Manoa: College of Tropical Agriculture and Human Resources Department: Molecular Bioscience and Bio-Engineering November 21, 2009 Bilger Hall 150. Presentation Agenda. Project Rationale

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Optimization of aquaponics system in hawaii preliminary data
Optimization of Aquaponics System in Hawaii: Preliminary data

Marissa Lee

University of Hawaii, Manoa: College of Tropical Agriculture and Human Resources

Department: Molecular Bioscience and Bio-Engineering

November 21, 2009

Bilger Hall 150


Presentation agenda
Presentation Agenda

  • Project Rationale

  • Experiment 1: Effects of Lighting

    • Shade

    • No Shade

  • Experiment 2: Effects of Different Feeds

    • Protein Content

    • Fat Content


Project rationale
Project Rationale

  • Partial fulfillment of MBBE graduation requirement

    • Senior thesis

  • Partial fulfillment of CTAHR vision and mission

    • Generate and transfer science based information for stake holders to make informed decisions.



The experiment was held at uh freshwater aquaculture facility at windward community college
The experiment was held at UH Freshwater Aquaculture Facility at Windward Community College


Experiment 1
Experiment 1 Facility at Windward Community College

  • Fish:Oreochromis sp.

  • Plant:Lactuva sativa- Red sail Lettuce


Experiment 1 test the effects of light two treatments

Treatment 1 Facility at Windward Community College

Treatment 2

Experiment 1:Test the effects of light-Two treatments


Experimental design tank setup

Each tank stocked with 323 Tilapia. Facility at Windward Community College

Average body weight = 1.64g

Stocking density = 0.28 kg/m3

Salmon Starter Feed

52% crude protein

16% crude fat

Biofilm

Experimental Design: Tank Setup


Lettuce trays
Lettuce Trays Facility at Windward Community College

Flow rate =

1.35 seconds to fill 1 Liter


Air lift
Air Lift Facility at Windward Community College


Experiment 11
Experiment 1 Facility at Windward Community College


Temporal changes in dissolved oxygen in covered and uncovered tanks
Temporal Changes in Dissolved Oxygen in Covered and Uncovered Tanks

p < 0.01

=Difference is statistically significant


Temporal changes in ph in covered and uncovered tanks
Temporal Changes in pH in Covered and Uncovered Tanks Uncovered Tanks

p < 0.01

=Difference is statistically significant


p < 0.01

=Difference is statistically significant


P < 0.0001 Uncovered Tanks

=Difference is statistically significant


Summary experiment 1
Summary: Experiment 1 Uncovered Tanks


Results experiment 1
Results: Experiment 1 Uncovered Tanks



Experiment 2
Experiment 2 Uncovered Tanks

Plant:Lactuva sativa- Red sail Lettuce

Fish:Oreochromis sp.-Tilapia

Plant:Brassica juncea- Mustard Cabbage

Plant: Lactuva sativa-Manoa Lettuce


Experiment 2 two treatments

Treatment 1- Uncovered Tanks Rangen 350

Treatment 2- Silver Cup

Experiment 2:Two treatments

Silver Cup

Rangen 350


Different treatments

Rangen: Uncovered Tanks

Crude Protein………35.0%

Crude Fat…………….5.0%

Crude Fiber…………..5.0%

Ash…………………..10.0%

Phosphorus…………..1.0%

Silver Cup:

Crude Protein…….45.0%

Crude Fat………...16.0%

Crude Fiber.……….3.0%

Ash………………..12.0%

Phosphorus………..1.2%

Different Treatments

$ 0.77/ lb

$ 0.63/ lb


Experiment design tank setup

Each tank was stocked with 200 Tilapia Uncovered Tanks

Tank average = 26.4 g

Stocking density = 2.78 kg/ m3

Bioflim

Experiment Design: Tank Setup


Experiment 21
Experiment 2 Uncovered Tanks


Water quality
Water Quality Uncovered Tanks


Trace Minerals in Water Uncovered Tanks

  • Rangen

    • N = 14.9 ppm

    • P = 1.0

    • K = 10.6

    • Ca = 6.0

    • Mg = 5.1

    • Na = 10.9

    • Fe = 0.1**

    • Mn = 0.1**

    • Zn = 0.04

    • Cu = 0.01

    • B = 0.03

  • Silver Cup

    • N = 17.8 ppm

    • P = 1.9

    • K = 7.7

    • Ca = 9.8

    • Mg = 5.0

    • Na = 6.3

    • Fe = 0.1**

    • Mn = 0.1**

    • Zn = 0.1

    • Cu = 0.0

    • B = 0.0

Agricultural Diagnostic Service, ** = supplmented


Analysis of Covariance Uncovered Tanks

p > 0.05

=not statistically different

T-Test for last sampling day

p > 0.05

=not statistically different


p < 0.05 Uncovered Tanks

Silver Cup

Rangen


p< 0.01 Uncovered Tanks

Silver Cup

Rangen


p>0.05 Uncovered Tanks

Silver Cup

Rangen


Potassium hydroxide
Potassium Hydroxide Uncovered Tanks


Summary experiment 2
Summary: Experiment 2 Uncovered Tanks


Experiment 2 summary
Experiment 2 Summary Uncovered Tanks


Acknowledgements
Acknowledgements Uncovered Tanks

  • Clyde Tamaru

  • Kathy McGovern-Hopkins

  • Harry Ako

  • Mom and Dad

  • My friends


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