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<p>Declining stocks of fish below sustainability levels may hamper food security in crisis events which rest on the supply of fish for meeting the food demand. This study estimated the economic value of food security of wild fish stocks and aquaculture by using the replacement cost method for estimating the unit value of food security and proxy methods for calculating energy content provided by stocks of different fish species. The study was applied to Sweden, and the results indicated a total fish stock supply of 548&#xa0;million Mcal, or 142&#xa0;kcal/capita/day, in Sweden. The total economic value of food security amounted to 665&#xa0;million euros, which is unevenly allocated between the six civil defence regions. Two species, herring (<i>Clupea harengus</i>) and sprat (<i>Sprattus sprattus</i>), accounted for approximately half of the total value. A simple benefit-cost analysis indicated that the economic value of food security per kg fish in relation to the catch value was highest for these two species when used for producing animal feed. The results highlighted potentially large economic values of fish populations for food security purposes which need to be considered in fishery management practices since catch of fish implies a loss of the economic value of food security in the event of a crisis.</p>

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Estimation of the economic value of fish as emergency stocks for food security in Sweden

  • 期刊论文

  • 出版模式：

    开放获取

  • 发表日期：

    2026年6月23日

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  • Ing-Marie Gren,
  • Hans Andersson,
  • Lars Jonasson,
  • Rickard Knutsson

摘要

Declining stocks of fish below sustainability levels may hamper food security in crisis events which rest on the supply of fish for meeting the food demand. This study estimated the economic value of food security of wild fish stocks and aquaculture by using the replacement cost method for estimating the unit value of food security and proxy methods for calculating energy content provided by stocks of different fish species. The study was applied to Sweden, and the results indicated a total fish stock supply of 548 million Mcal, or 142 kcal/capita/day, in Sweden. The total economic value of food security amounted to 665 million euros, which is unevenly allocated between the six civil defence regions. Two species, herring (Clupea harengus) and sprat (Sprattus sprattus), accounted for approximately half of the total value. A simple benefit-cost analysis indicated that the economic value of food security per kg fish in relation to the catch value was highest for these two species when used for producing animal feed. The results highlighted potentially large economic values of fish populations for food security purposes which need to be considered in fishery management practices since catch of fish implies a loss of the economic value of food security in the event of a crisis.