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Impacts of degraded pollination ecosystem services on global food security and nutrition

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  • Uwingabire, Zafarani
  • Gallai, Nicola
Abstract
Nutrient resource loss in human food due to an ecological shock in terms of the depletion of insect pollination services may become a global concern. Inspired by the international trade theory, we use a bioeconomic model to estimate the impact of crop price changes on nutrient consumption as crop supply and demand vary under different scenarios of pollinators decline. Our findings show that the average global crop price will increase by about 187% if pollinators go extinct at a global scale and worldwide nutrient consumption from crops may decrease in all scenarios studied, exacerbating food insecurity where food shortage already exists. We argue that the consequences of pollinators decline on human well-being is not only a matter of the crop production quantity in exporting countries but also the global demand of nutrients contained in pollinator-dependent crops as their supply decline.

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  • Uwingabire, Zafarani & Gallai, Nicola, 2024. "Impacts of degraded pollination ecosystem services on global food security and nutrition," Ecological Economics, Elsevier, vol. 217(C).
    • Handle: RePEc:eee:ecolec:v:217:y:2024:i:c:s0921800923003312
    DOI: 10.1016/j.ecolecon.2023.108068
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    1. Siebert, Horst, 1974. "Comparative advantage and environmental policy: A note," Open Access Publications from Kiel Institute for the World Economy 3516, Kiel Institute for the World Economy (IfW Kiel).
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    3. Gallai, Nicola & Salles, Jean-Michel & Settele, Josef & Vaissière, Bernard E., 2009. "Economic valuation of the vulnerability of world agriculture confronted with pollinator decline," Ecological Economics, Elsevier, vol. 68(3), pages 810-821, January.
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    Cited by:

    1. Feuerbacher, Arndt, 2025. "Pollinator declines, international trade and global food security: Reassessing the global economic and nutritional impacts," Ecological Economics, Elsevier, vol. 232(C).

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