955 am - integrated multi_tropic - dr. stephen cross
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SEAVISION
The Sustainable Ecological
Aquaculture (SEAfood) System
Stephen F. Cross, Ph.D.
SEA Vision Group Inc.
NAFF-II Nanaimo 2012
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SEAVISION
The Problem … Fish farming, as currently practiced, has a
number of real and/or perceived social and
environmental issues.
• Nutrient/Waste Effects
• Sea Lice Interaction
• Fish Escapes
• Effects of Antibiotics
• Feed Composition
• Fossil Fuel Usage
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SEAVISION
Sustainable Ecological Aquaculture ?
SEA … an approach that
achieves the goal of
Sustainability by using the
principles of Ecology in its
design and operation. Environmental
Social
Economic
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SEAVISION
Sustainable Ecological Aquaculture ?
Environmental
Social
Economic
Best
Organic
Practices
Integrated
Multi-Trophic
Aquaculture
Model
Integrated
Energy
Alternatives
Reduced Carbon
Foot-Print
Reduced Nutrient
(Waste) Load
No chemicals,
antibiotics, etc.
Best
Organic
Practices
Integrated
Multi-Trophic
Aquaculture
Model
Ecological
Design and
Operation
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SEAVISION
Our first SEAfarm
Farm Site
British Columbia
CANADA Located along the northern shore
of Surprise Island in Kyuquot
Sound, this farm has served as the
pre-commercial R&D site for our
SEAfood System. It now holds
the first commercial
aquaculture
license of its
kind in Canada.
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SEAVISION
Our Multi-Species License
• Sablefish
• Blue/Gallo Mussels
• Pacific Oyster
• Japanese Scallop
• Cockles
• Green/Red Urchins
• Sea Cucumber
• Kelp/Seaweed
Fed Component
Organic Extractive
Component (filtration)
Organic Extractive
Component (deposit)
Inorganic Extractive
Component
High valued commercial species WITH
complementary ecological roles
• Sablefish
• Blue/Gallo Mussels
• Pacific Oyster
• Japanese Scallop
• Cockles
• Green/Red Urchins
• Sea Cucumber
• Kelp/Seaweed
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SEAVISION
System Design
- Sustainable Ecological Aquaculture
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SEAVISION
Infrastructure Innovation
- infrastructure life cycle
- component compatibility
- handling efficiencies
- increased productivity
- reduced COP
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SEAVISION
Solar/Wind
Estimated operational fuel savings
over traditional shellfish raft culture
methods - for each SEAfarm facility:
> $76,000/year (2011)
$0.00
$0.20
$0.40
$0.60
$0.80
$1.00
$1.20
$1.40
$1.60
$1.80
$2.00
Jan-93 Oct-95 Jul-98 Apr-01 Jan-04 Oct-06 Jul-09 Apr-12
Die
sel F
uel P
rice/L
itre (
CD
N)
$0.00
$0.20
$0.40
$0.60
$0.80
$1.00
$1.20
$1.40
$1.60
$1.80
$2.00F
uel C
ost p
er D
ozen S
hellfis
h
Operational Innovation
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SEAVISION
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SEAVISION
System
Benefits
• Product diversification
• Improved environmental
performance
• Reduced operating risk
with multiple species
• Reduced CoP with shared
labour pool, SEA- Power
and SEA-Hatchery
• Organic approach –
meets growing market
demand
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SEAVISION
Market
Potential
• Increasing seafood demand
globally (>2.5% annually)
and growing per capita
consumption in North America
• Growing Eco-ethical consumer
base looking for fresh,
sustainable, wholesome food
choices – and willing to pay
(organic niche)
• Prices of high-valued species
projected to continually
increase (>20% by 2020)
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SEAVISION
A sneak preview …
the 2012 SEAfood System Deluxe
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Questions ?
SEAVISION
… the next step in
SEAfood production