Effect of Fish Feed on Plant Productivity and Nutrient Dynamics under Aquaponic Cultivation of ...

31 Pages·2013·2.39 MB·English

12/20/2013
Effect of Fish Feed on Plant Productivity
and Nutrient Dynamics
under Aquaponic Cultivation of Blue Tilapia
Miles Medina,
Krish Jayachandran, Mahadev Bhat, Alok Deoraj

Agroecology Program
Dept. of Earth & Environment
Florida International University
Nov 4, 2013
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Outline
Background on fish farming
Introduction to aquaponics
Current research on fish feed in aquaponics
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Global aquaculture production
s
e
n
n
o
t
n
o
illiM
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Global production:
Capture and aquaculture
 59.9 M tonnes total
production, incl.
39.2 Mt of fish (2010)
s …90 Mt total by 2017
e
n …75 Mt fish by 2021
n
o
t n  88.6 M tonnes total
o
illiM production, incl.
75.3 Mt of fish (2010)
Source: FAO Fishery and Aquaculture Statistics 2010
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Aquaculture
Effluent discharge
Eutrophication of aquatic ecosystem
Groundwater contamination

Heavy water use

Fishmeal as aquafeed
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Fish Farming
Marine : 41%

Inland : 59%

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Fish Farming
Marine (41%)

{

In rivers and lakes: cages, pens
Inland (59%)
“Terrestrial”: Ponds, raceways, tanks
Flow-through vs. RAS

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