Monetizing environmental impact of integrated aquaponic farming compared to separate systems

Asael Greenfeld, Nir Becker, Janet F. Bornman, Sabrina Spatari, Dror L. Angel

Research output: Contribution to journalArticlepeer-review

Abstract

Aquaponics is an emerging industry promoted as a sustainable agricultural practice. Economic sustainability of aquaponics is challenging, partly because some of the benefits are external to the grower, necessitating public intervention to support the industry. We used life cycle assessment to estimate the environmental impact of a proposed aquaponic system and applied a set of economic valuation methods to assess the costs of identified impact factors. We found that the system, planned to produce 60,000 ornamental fish and 108,000 lettuce heads per year would impact the environment with a cost of 10,700 EUR annually, about half the environmental cost of separate production of the same produce. Most of the external cost can be attributed to the industrial processes that prepare products used for aquaponic production. Although this method provides only a rough estimate of actual system impact, it can potentially be used to assess the cost-effectiveness of aquaponics from an environmental perspective.

Original languageEnglish
Article number148459
JournalScience of the Total Environment
Volume792
DOIs
StatePublished - 20 Oct 2021

Bibliographical note

Funding Information:
This work was supported by a grant (NB and DLA) from the Israeli Ministry of Agriculture and Rural Development , as part of the project, “Exploring economic and environmental aspects of commercial aquaponics in the upper Galilee” (Grant 47-09-0006 ), and by an Advanced Studies Scholarship (AG) from the University of Haifa .

Publisher Copyright:
© 2018 Elsevier B.V.

Keywords

  • Aquaculture
  • Aquaponics
  • Environmental pricing
  • Hydroponics
  • LCA
  • Monetization

ASJC Scopus subject areas

  • Environmental Engineering
  • Environmental Chemistry
  • Waste Management and Disposal
  • Pollution

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