Aquaponics and sustainability: The comparison of two different aquaponic techniques using the Life Cycle Assessment (LCA) |
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| Affiliation: | 1. Department of Environmental Sciences, Informatics and Statistics (DAIS), University of Ca’ Foscari, Via Torino 155, Venezia Mestre, Italy;2. Laboratoire des Ecosystèmes Marins et Littoraux, Ecole Nationale Supérieure des Sciences de la mer et de l’Aménagement du Littoral, ENSSMAL, Campus Universitaire Dely Ibrahim, BP 19, Bois des cars, Alger, Algeria;3. Facultés des Sciences Biologiques, Université des Sciences et Technologies Houari Boumediene, Alger, Algeria;1. Department of Molecular Biosciences and Bioengineering, University of Hawai’i at Mānoa, 1955 East-West Road, Honolulu, HI 96822, USA;2. Shandong Key Laboratory of Water Pollution Control and Resource Reuse, School of Environmental Science and Engineering, Shandong University, Jinan 250100, China;3. Department of Earth and Environmental Engineering, Columbia University, 500 West 120th Street, New York, NY 10027, USA;4. Department of Environmental Engineering, College of Science and Technology, Korea University, Sejong Campus, 2511 Sejong-ro, Sejong 339-700, Republic of Korea;1. Integrated and Urban Plant Pathology Laboratory, Université de Liège, Avenue Maréchal Juin 13, Gembloux B-5030, Belgium;2. Analytical Chemistry, Université de Liège, Gembloux B-5030, Belgium;3. Geography and Environment, Faculty of Social and Human Sciences, University of Southampton, SO17 1BJ, United Kingdom;4. Statistics, Informatics, and Applied Modelling Unit, Dep. AGROBIOCHEM, University of Liège, Gembloux B-5030, Belgium;1. Department of Biology and Ecology of Fishes, Leibniz-Institute of Freshwater Ecology and Inland Fisheries, Müggelseedamm 301, 12587 Berlin, Germany;2. Faculty of Life Sciences, Albrecht Daniel Thaer – Institute of Agricultural and Horticultural Sciences, Division Biosystems Engineering, Humboldt-Universität zu Berlin, Albrecht-Thaer-Weg 3, 14195 Berlin, Germany;3. Department of Ecophysiology and Aquaculture, Leibniz-Institute of Freshwater Ecology and Inland Fisheries, Müggelseedamm 310, 12587 Berlin, Germany;4. Faculty of Life Sciences, Institute of Biology, Department of Endocrinology, Humboldt Universität zu Berlin, Unter den Linden 6, 10099 Berlin, Germany;5. PAL-Anlagenbau GmbH Abtshagen, Amtsweg 6, 18510 Wittenhagen/Abtshagen, Germany;1. Shandong Key Laboratory of Water Pollution Control and Resource Reuse, School of Environmental Science and Engineering, Shandong University, Jinan 250100, China;2. Department of Environmental Engineering, College of Science and Technology, Korea University, Sejong-ro 2511, Sejong 339-700, South Korea;3. Department of Earth and Environmental Engineering, Columbia University, 500 West 120th Street, New York, NY 10027, USA;4. Department of Molecular Biosciences and Bioengineering, University of Hawaii at Manoa, Honolulu, HI 96822, USA;1. Aquaculture & Fisheries group, Animal Science Group, Wageningen University & Research (WUR), Post Office Box 338, 6700AH Wageningen, The Netherlands;2. Plant Sciences, Wageningen University & Research, The Netherlands;3. Environmental Economics & Natural Resources, Wageningen University & Research, The Netherlands;4. Animal Sciences, Wageningen University & Research, The Netherlands |
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| Abstract: | Aquaponics is generally regarded as a sustainable practice, but its environmental burdens were not yet deeply investigated. In this study, Life Cycle Assessment (LCA) was used to assess the environmental impacts of two hypothetical coupled aquaponics systems (CAPS): Raft System (RAFT) and Media-Filled Beds System (MFBS). Rainbow trout (Oncorhynchus mykiss) and lettuce (Lactuca sativa) were considered as cultivated species in both systems. The Simapro© software V.8.0 was used for calculation. The comparison between the two virtual systems indicated the floating technique as the less impacting one. Even though energy consumption appears to be higher in the floating system, LCA results were markedly influenced by the extensive use of inert materials in MFSB. In both systems, contribution analyses underlined that the main environmental impacts are related to infrastructures, electricity and fish feed. The LCA analyses carried out in this study highlights that the choice of less impacting materials, and the optimization of management practices, should be taken as priorities in order to reduce environmental impacts of this activity. |
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| Keywords: | Life Cycle Assessment (LCA) Aquaponics Rainbow trout Sustainability Aquaculture |
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