INTEGRATED SEAWEED/ABALONE MULTITROPHIC RECIRCULATING INTEGRATED SEAWEED/ABALONE MULTITROPHIC RECIRCULATING AQUACULTURE (IMTA) IN SOUTH AFRICA: AQUACULTURE (IMTA) IN SOUTH AFRICA: BALANCING THE BALANCE SHEETS, ENVIROMENT AND COMMERCE BALANCING THE BALANCE SHEETS, ENVIROMENT AND COMMERCE Deborah V. Robertson-Andersson 1 , Ana M. Nobre 2 , Amir Neori 3 , Kishan Sanker 6 , Gavin Maneveldt 1 , Max Troell 4,5 , Christina Halling 5 and John J. Bolton 6 1 The Department of Biodiversity and Conservation Biology Department, University of the Western Cape, Bellville, South Africa. 2 IMAR, Faculty of Sciences and Technology/UNL. Caparica, Portugal. 3 Israel Oceanographic and Limnological Research, National Centre for Mariculture, Israel. 4 Beijer Institute, Stockholm, Sweden. 5 Department of Systems Ecology, Stockholm University, Stockholm, Sweden. 6 Botany Department, University of Cape Town, South Africa.
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INTEGRATED SEAWEED/ABALONE MULTITROPHIC RECIRCULATING AQUACULTURE (IMTA) IN SOUTH AFRICA: BALANCING THE BALANCE SHEETS, ENVIROMENT AND COMMERCE
This is a presentation given at the 2009 Phycological Society of Southern Africa conference. The presentation looks at creating a debit credit account for an existing IMTA system in South Africa.
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INTEGRATED SEAWEED/ABALONE MULTITROPHIC INTEGRATED SEAWEED/ABALONE MULTITROPHIC RECIRCULATING AQUACULTURE (IMTA) IN SOUTH AFRICA: RECIRCULATING AQUACULTURE (IMTA) IN SOUTH AFRICA:
BALANCING THE BALANCE SHEETS, ENVIROMENT AND BALANCING THE BALANCE SHEETS, ENVIROMENT AND COMMERCE COMMERCE
INTEGRATED SEAWEED/ABALONE MULTITROPHIC INTEGRATED SEAWEED/ABALONE MULTITROPHIC RECIRCULATING AQUACULTURE (IMTA) IN SOUTH AFRICA: RECIRCULATING AQUACULTURE (IMTA) IN SOUTH AFRICA:
BALANCING THE BALANCE SHEETS, ENVIROMENT AND BALANCING THE BALANCE SHEETS, ENVIROMENT AND COMMERCE COMMERCE
Deborah V. Robertson-Andersson1, Ana M. Nobre2, Amir Neori3, Kishan Sanker6, Gavin Maneveldt1,
Max Troell4,5, Christina Halling5 and John J. Bolton6
1 The Department of Biodiversity and Conservation Biology Department, University of the Western Cape, Bellville, South Africa.
2 IMAR, Faculty of Sciences and Technology/UNL. Caparica, Portugal. 3 Israel Oceanographic and Limnological Research, National Centre for
Mariculture, Israel.4 Beijer Institute, Stockholm, Sweden.
5 Department of Systems Ecology, Stockholm University, Stockholm, Sweden.
6 Botany Department, University of Cape Town, South Africa.
Deborah V. Robertson-Andersson1, Ana M. Nobre2, Amir Neori3, Kishan Sanker6, Gavin Maneveldt1,
Max Troell4,5, Christina Halling5 and John J. Bolton6
1 The Department of Biodiversity and Conservation Biology Department, University of the Western Cape, Bellville, South Africa.
2 IMAR, Faculty of Sciences and Technology/UNL. Caparica, Portugal. 3 Israel Oceanographic and Limnological Research, National Centre for
Mariculture, Israel.4 Beijer Institute, Stockholm, Sweden.
5 Department of Systems Ecology, Stockholm University, Stockholm, Sweden.
6 Botany Department, University of Cape Town, South Africa.
How to convince an abalone farmer to also farm How to convince an abalone farmer to also farm seaweeds seaweeds
How to convince an abalone farmer to also farm How to convince an abalone farmer to also farm seaweeds seaweeds
Deborah V. Robertson-Andersson1, Ana M. Nobre2, Amir Neori3, Kishan Sanker6, Gavin Maneveldt1,
Max Troell4,5, Christina Halling5 and John J. Bolton6
1 The Department of Biodiversity and Conservation Biology Department, University of the Western Cape, Bellville, South Africa.
2 IMAR, Faculty of Sciences and Technology/UNL. Caparica, Portugal. 3 Israel Oceanographic and Limnological Research, National Centre for
Mariculture, Israel.4 Beijer Institute, Stockholm, Sweden.
5 Department of Systems Ecology, Stockholm University, Stockholm, Sweden.
6 Botany Department, University of Cape Town, South Africa.
Deborah V. Robertson-Andersson1, Ana M. Nobre2, Amir Neori3, Kishan Sanker6, Gavin Maneveldt1,
Max Troell4,5, Christina Halling5 and John J. Bolton6
1 The Department of Biodiversity and Conservation Biology Department, University of the Western Cape, Bellville, South Africa.
2 IMAR, Faculty of Sciences and Technology/UNL. Caparica, Portugal. 3 Israel Oceanographic and Limnological Research, National Centre for
Mariculture, Israel.4 Beijer Institute, Stockholm, Sweden.
5 Department of Systems Ecology, Stockholm University, Stockholm, Sweden.
6 Botany Department, University of Cape Town, South Africa.
How do you tell an economist the value
of science?
How do you tell an economist the value
of science?
How do you tell an economist the value of science?
most scientists - seem to take it for granted that scientific knowledge is valuable for its own sake
value of science must depend exclusively upon the value of its effects or consequences which somehow affect the welfare or happiness of sentient beings
draw up a debit and credit account" for science
Lars Bergström Notes on the Value of Science
How do you tell an economist the value of science?
most scientists - seem to take it for granted that scientific knowledge is valuable for its own sake
value of science must depend exclusively upon the value of its effects or consequences which somehow affect the welfare or happiness of sentient beings
draw up a debit and credit account" for science
Lars Bergström Notes on the Value of Science
OverviewOverviewOverviewOverview
How does a phycologist draw up a
credit and debit account?
OverviewOverviewOverviewOverview
How does a phycologist draw up a
credit and debit account?
Ecological-economic assessment by Differential Drivers-
Pressure-State-Impact-Response (DPSIR) approach
Places an economic value on IMTA by looking at the
costs/benefits of implementation of the
system compared to a system without
IMTA
The current drivers for integrated seaweed aquaculture
in South Africa.
Socio-economic, environmental and multiplier effects.