Assessing alternative aquaculture technologies: life cycle assessment of salmonid culture systems in Canada

Nathan W. Ayer; Peter H. Tyedmers

doi:10.1016/j.jclepro.2008.08.002

Assessing alternative aquaculture technologies: life cycle assessment of salmonid culture systems in Canada

Nathan W. Ayer, Peter H. Tyedmers

Management

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196 Citas (Scopus)

Resumen

This study employed life cycle assessment (LCA) to quantify and compare the potential environmental impacts of culturing salmonids in a conventional marine net-pen system with those of three reportedly environmentally-friendly alternatives; a marine floating bag system; a land-based saltwater flow-through system; and a land-based freshwater recirculating system. Results of the study indicate that while the use of these closed-containment systems may reduce the local ecological impacts typically associated with net-pen salmon farming, the increase in material and energy demands associated with their use may result in significantly increased contributions to several environmental impacts of global concern, including global warming, non-renewable resource depletion, and acidification. It is recommended that these unanticipated impacts be carefully considered in further assessments of the sustainability of closed-containment systems and in ongoing efforts to develop and employ these technologies on a larger scale.

Idioma original	English
Páginas (desde-hasta)	362-373
Número de páginas	12
Publicación	Journal of Cleaner Production
Volumen	17
N.º	3
DOI	https://doi.org/10.1016/j.jclepro.2008.08.002
Estado	Published - feb. 2009

Nota bibliográfica

Funding Information:
The authors would like to acknowledge the generous financial support of Dalhousie University and the Lenfest Ocean Program at the Pew Charitable Trusts. Thanks are also due to those who provided data, in particular D. Roberts, R. Buchanan, R. Walker, and A. Clarke, and to N. Pelletier for development of the salmon feed model. The manuscript was greatly improved with the input of two anonymous reviewers. Any remaining errors or omissions are of course the sole responsibility of the authors.

ASJC Scopus Subject Areas

Renewable Energy, Sustainability and the Environment
General Environmental Science
Strategy and Management
Industrial and Manufacturing Engineering

ODS de las Naciones Unidas

Este resultado contribuye a los siguientes Objetivos de Desarrollo Sostenible

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10.1016/j.jclepro.2008.08.002

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title = "Assessing alternative aquaculture technologies: life cycle assessment of salmonid culture systems in Canada",

abstract = "This study employed life cycle assessment (LCA) to quantify and compare the potential environmental impacts of culturing salmonids in a conventional marine net-pen system with those of three reportedly environmentally-friendly alternatives; a marine floating bag system; a land-based saltwater flow-through system; and a land-based freshwater recirculating system. Results of the study indicate that while the use of these closed-containment systems may reduce the local ecological impacts typically associated with net-pen salmon farming, the increase in material and energy demands associated with their use may result in significantly increased contributions to several environmental impacts of global concern, including global warming, non-renewable resource depletion, and acidification. It is recommended that these unanticipated impacts be carefully considered in further assessments of the sustainability of closed-containment systems and in ongoing efforts to develop and employ these technologies on a larger scale.",

author = "Ayer, {Nathan W.} and Tyedmers, {Peter H.}",

note = "Funding Information: The authors would like to acknowledge the generous financial support of Dalhousie University and the Lenfest Ocean Program at the Pew Charitable Trusts. Thanks are also due to those who provided data, in particular D. Roberts, R. Buchanan, R. Walker, and A. Clarke, and to N. Pelletier for development of the salmon feed model. The manuscript was greatly improved with the input of two anonymous reviewers. Any remaining errors or omissions are of course the sole responsibility of the authors.",

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doi = "10.1016/j.jclepro.2008.08.002",

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AB - This study employed life cycle assessment (LCA) to quantify and compare the potential environmental impacts of culturing salmonids in a conventional marine net-pen system with those of three reportedly environmentally-friendly alternatives; a marine floating bag system; a land-based saltwater flow-through system; and a land-based freshwater recirculating system. Results of the study indicate that while the use of these closed-containment systems may reduce the local ecological impacts typically associated with net-pen salmon farming, the increase in material and energy demands associated with their use may result in significantly increased contributions to several environmental impacts of global concern, including global warming, non-renewable resource depletion, and acidification. It is recommended that these unanticipated impacts be carefully considered in further assessments of the sustainability of closed-containment systems and in ongoing efforts to develop and employ these technologies on a larger scale.

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Assessing alternative aquaculture technologies: life cycle assessment of salmonid culture systems in Canada

Resumen

Nota bibliográfica

ASJC Scopus Subject Areas

ODS de las Naciones Unidas

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