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Does aquaculture ad...
Does aquaculture add resilience to the global food system?
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- Troell, Max (författare)
- Stockholms universitet,Stockholm Resilience Centre,Royal Swedish Academy of Science, Sweden,Stockholms universitet, Stockholm Resilience Centre
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Naylor, Rosamond L. (författare)
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- Metian, Marc (författare)
- Stockholms universitet,Stockholm Resilience Centre,Stockholms universitet, Stockholm Resilience Centre
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visa fler...
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Beveridge, Malcolm (författare)
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Tyedmers, Peter H. (författare)
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- Folke, Carl (författare)
- Stockholms universitet,Stockholm Resilience Centre,Royal Swedish Academy of Science, Sweden,Stockholms universitet, Stockholm Resilience Centre
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Arrow, Kenneth J. (författare)
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Barrett, Scott (författare)
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Crépin, Anne-Sophie (författare)
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- Ehrlich, Paul R. (författare)
- Department of Biology, Stanford University
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- Gren, Åsa (författare)
- Beijer Institute of Ecological Economics, Royal Swedish Academy of Sciences
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- Kautsky, Nils (författare)
- Stockholms universitet,Institutionen för ekologi, miljö och botanik,Stockholms universitet, Institutionen för ekologi, miljö och botanik
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- Levin, Simon A. (författare)
- Department of Ecology and Evolutionary Biology, Princeton University
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- Nyborg, Karine (författare)
- Department of Economics, University of Oslo
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- Österblom, Henrik (författare)
- Stockholms universitet,Stockholm Resilience Centre,Stockholms universitet, Stockholm Resilience Centre
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- Polasky, Stephen (författare)
- Department of Applied Economics, University of Minnesota
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- Scheffer, Marten (författare)
- Department of Environmental Sciences, Wageningen University, The Netherlands
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- Walker, Brian H. (författare)
- The Commonwealth Scientific and Industrial Research Organisation Sustainable Ecosystems, Canberra, ACT 2601, Australia
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- Xepapadeas, Tasos (författare)
- Department of International and European Economic Studies, Athens University of Economics and Business
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- de Zeeuw, Aart (författare)
- Center for Economic Research and Tilburg Sustainability Center, Tilburg University, 5000 LE, Tilburg, The Netherlands
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(creator_code:org_t)
- 2014-08-18
- 2014
- Engelska.
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Ingår i: Proceedings of the National Academy of Sciences of the United States of America. - : Proceedings of the National Academy of Sciences. - 0027-8424 .- 1091-6490. ; 111:37, s. 13257-13263
- Relaterad länk:
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https://www.pnas.org...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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https://urn.kb.se/re...
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Abstract
Ämnesord
Stäng
- Aquaculture is the fastest growing food sector and continues to expand alongside terrestrial crop and livestock production. Using portfolio theory as a conceptual framework, we explore how current interconnections between the aquaculture, crop, livestock, and fisheries sectors act as an impediment to, or an opportunity for, enhanced resilience in the global food system given increased resource scarcity and climate change. Aquaculture can potentially enhance resilience through improved resource use efficiencies and increased diversification of farmed species, locales of production, and feeding strategies. However, aquaculture's reliance on terrestrial crops and wild fish for feeds, its dependence on freshwater and land for culture sites, and its broad array of environmental impacts diminishes its ability to add resilience. Feeds for livestock and farmed fish that are fed rely largely on the same crops, although the fraction destined for aquaculture is presently small (similar to 4%). As demand for high-value fed aquaculture products grows, competition for these crops will also rise, as will the demand for wild fish as feed inputs. Many of these crops and forage fish are also consumed directly by humans and provide essential nutrition for low-income households. Their rising use in aquafeeds has the potential to increase price levels and volatility, worsening food insecurity among the most vulnerable populations. Although the diversification of global food production systems that includes aquaculture offers promise for enhanced resilience, such promise will not be realized if government policies fail to provide adequate incentives for resource efficiency, equity, and environmental protection.
Ämnesord
- NATURVETENSKAP -- Biologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences (hsv//eng)
- NATURVETENSKAP -- Geovetenskap och miljövetenskap (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences (hsv//eng)
Nyckelord
- food portfolio management
- crop resources
- diversity
- shocks
- global change
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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- Av författaren/redakt...
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Troell, Max
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Naylor, Rosamond ...
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Metian, Marc
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Beveridge, Malco ...
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Tyedmers, Peter ...
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Folke, Carl
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visa fler...
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Arrow, Kenneth J ...
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Barrett, Scott
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Crépin, Anne-Sop ...
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Ehrlich, Paul R.
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Gren, Åsa
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Kautsky, Nils
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Levin, Simon A.
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Nyborg, Karine
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Österblom, Henri ...
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Polasky, Stephen
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Scheffer, Marten
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Walker, Brian H.
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Xepapadeas, Taso ...
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de Zeeuw, Aart
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visa färre...
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