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Life Cycle Assessment of Seabass ( Dicentrarchus labrax ) Produced in Offshore Fish Farms: Variability and Multiple Regression Analysis

Author

Listed:
  • Benjamín García García

    (IMIDA, Calle Mayor s/n, 30150 Alberca de las Torres, Murcia, Spain)

  • Caridad Rosique Jiménez

    (Campus de Espinardo, Edificio C, Universidad de Murcia, 30100 Espinardo, Murcia, Spain)

  • Felipe Aguado-Giménez

    (IMIDA, Estación de Acuicultura Marina, Puerto de San Pedro del Pinatar, 30740 San Pedro del Pinatar, Murcia, Spain)

  • José García García

    (IMIDA, Calle Mayor s/n, 30150 Alberca de las Torres, Murcia, Spain)

Abstract

Equations were developed through multiple regression analysis (MRA) to explain the variability of potential environmental impacts (PEIs) estimated by life cycle assessment (LCA). The case studied refers to the production of seabass in basic offshore fish farms. Contribution analysis showed that the components of the system which most influence the potential environmental impacts are the feed (54% of the overall impact) and the fuel consumed by vessels operating in the farm (23%). Feed and fuel varied widely from one fish farm to another due to different factors, such as the efficiency of the feeding system used in each of them, or the distance from the harbor to the farm. Therefore, a number of scenarios (13) were simulated with different values of both factors and the results of the PEI were fitted by MRA to the model: PEI = a + b × Feed + c × Fuel. For all the PEIs, the regression coefficients were significant ( p < 0.05) and R 2 was 1. These equations allow us to estimate simply and quickly very different scenarios that reflect the reality of different farms at the present time, but also future scenarios based on the implementation of technologies that will decrease both feed and fuel consumption.

Suggested Citation

  • Benjamín García García & Caridad Rosique Jiménez & Felipe Aguado-Giménez & José García García, 2019. "Life Cycle Assessment of Seabass ( Dicentrarchus labrax ) Produced in Offshore Fish Farms: Variability and Multiple Regression Analysis," Sustainability, MDPI, vol. 11(13), pages 1-21, June.
    • Handle: RePEc:gam:jsusta:v:11:y:2019:i:13:p:3523-:d:243337
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    References listed on IDEAS

    as
    1. Piedecausa, M.A. & Aguado-Giménez, F. & Cerezo-Valverde, J. & Hernández-Llorente, M.D. & García-García, B., 2010. "Simulating the temporal pattern of waste production in farmed gilthead seabream (Sparus aurata), European seabass (Dicentrarchus labrax) and Atlantic bluefin tuna (Thunnus thynnus)," Ecological Modelling, Elsevier, vol. 221(4), pages 634-640.
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    Cited by:

    1. Angeles Cámara & Rosa Santero-Sánchez, 2019. "Economic, Social, and Environmental Impact of a Sustainable Fisheries Model in Spain," Sustainability, MDPI, vol. 11(22), pages 1-16, November.
    2. Evangelos Kallitsis & Anna Korre & Dimitris Mousamas & Pavlos Avramidis, 2020. "Environmental Life Cycle Assessment of Mediterranean Sea Bass and Sea Bream," Sustainability, MDPI, vol. 12(22), pages 1-11, November.

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