naff ii - integrated multi tropic - dr. stephen cross
TRANSCRIPT
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SEAVISION
The Sustainable Ecological
Aquaculture (SEAfood) System
Stephen F. Cross, Ph.D.
SEA Vision Group Inc.
NAFF-II Nanaimo 2012
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
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
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
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.
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
SEAVISION
Infrastructure Innovation
- infrastructure life cycle
- component compatibility
- handling efficiencies
- increased productivity
- reduced COP
�
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
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
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)