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Recirculating Aquac...
Recirculating Aquaculture Is Possible without Major Energy Tradeoff : Life Cycle Assessment of Warmwater Fish Farming in Sweden
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- Bergman, Kristina (författare)
- RISE,Jordbruk och livsmedel
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- Henriksson, Patrik J. G. (författare)
- Stockholms universitet,Stockholm Resilience Centre,Royal Swedish Academy of Sciences, Sweden; Stockholm University, Sweden; Worldfish, Malaysia
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- Hornborg, Sara (författare)
- RISE,Jordbruk och livsmedel
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- Troell, Max (författare)
- Stockholms universitet,Stockholm Resilience Centre,Royal Swedish Academy of Sciences, Sweden; Stockholm University, Sweden
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- Borthwick, Louisa (författare)
- RISE,Jordbruk och livsmedel
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- Jonell, Malin (författare)
- Stockholms universitet,Stockholm Resilience Centre,Royal Swedish Academy of Sciences, Sweden; Stockholm University, Sweden
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- Philis, Gaspard (författare)
- NTNU, Norway
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- Ziegler, Friederike (författare)
- RISE,Jordbruk och livsmedel
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(creator_code:org_t)
- 2020-11-28
- 2020
- Engelska.
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Ingår i: Environmental Science and Technology. - : American Chemical Society. - 0013-936X .- 1520-5851. ; 54:24, s. 16062-16070
- Relaterad länk:
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https://pubs.acs.org...
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https://doi.org/10.1...
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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
- Seafood is seen as promising for more sustainable diets. The increasing production in land-based closed Recirculating Aquaculture Systems (RASs) has overcome many local environmental challenges with traditional open net-pen systems such as eutrophication. The energy needed to maintain suitable water quality, with associated emissions, has however been seen as challenging from a global perspective. This study uses Life Cycle Assessment (LCA) to investigate the environmental performance and improvement potentials of a commercial RAS farm of tilapia and Clarias in Sweden. The environmental impact categories and indicators considered were freshwater eutrophication, climate change, energy demand, land use, and dependency on animal-source feed inputs per kg of fillet. We found that feed production contributed most to all environmental impacts (between 67 and 98%) except for energy demand for tilapia, contradicting previous findings that farm-level energy use is a driver of environmental pressures. The main improvement potentials include improved by-product utilization and use of a larger proportion of plant-based feed ingredients. Together with further smaller improvement potential identified, this suggests that RASs may play a more important role in a future, environmentally sustainable food system.
Ämnesord
- NATURVETENSKAP -- Geovetenskap och miljövetenskap (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences (hsv//eng)
- LANTBRUKSVETENSKAPER -- Lantbruksvetenskap, skogsbruk och fiske (hsv//swe)
- AGRICULTURAL SCIENCES -- Agriculture, Forestry and Fisheries (hsv//eng)
Nyckelord
- Aquaculture
- Climate change
- Energy management
- Environmental management
- Eutrophication
- Land use
- Life cycle
- Sustainable development
- Water quality
- By-product utilization
- Environmental challenges
- Environmental performance
- Environmental pressures
- Global perspective
- Increasing production
- Life Cycle Assessment (LCA)
- Recirculating aquaculture system
- Environmental impact
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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