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Global Warming Potential and Waste Handling of Pearl Farming in Ago Bay, Mie Prefecture, Japan

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  • Dheanara Pinka

    (Graduate School of Environmental Studies, Tohoku University, Sendai 980-8572, Japan)

  • Kazuyo Matsubae

    (Graduate School of Environmental Studies, Tohoku University, Sendai 980-8572, Japan)

Abstract

Pearl farming (PF) represents a significant portion of the world’s total aquaculture production and is a growing multibillion-dollar sector of mollusk aquaculture. However, PF in Mie Prefecture, Japan, has resulted in the deterioration of environmental conditions in Ago Bay, and its environmental impacts are yet to be evaluated using a life-cycle assessment (LCA). Thus, in this study, a cradle-to-gate LCA using 1 kg of pearl produced in Ago Bay was conducted. The key results showed that the global warming potential (GWP) was equivalent to 4.98 kg CO 2 , which is lower than the GWPs of metals, such as gold and silver, commonly used in jewelry production. Meanwhile, the waste handling of PF is progressing, with current efforts being focused on extracting calcium carbonate, exporting shell waste, and reducing plastic waste. These findings provide critical insights for achieving sustainable pearl production aquaculture.

Suggested Citation

  • Dheanara Pinka & Kazuyo Matsubae, 2023. "Global Warming Potential and Waste Handling of Pearl Farming in Ago Bay, Mie Prefecture, Japan," Resources, MDPI, vol. 12(7), pages 1-13, June.
    • Handle: RePEc:gam:jresou:v:12:y:2023:i:7:p:75-:d:1180914
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    References listed on IDEAS

    as
    1. Elena Tamburini & Elisa Anna Fano & Giuseppe Castaldelli & Edoardo Turolla, 2019. "Life Cycle Assessment of Oyster Farming in the Po Delta, Northern Italy," Resources, MDPI, vol. 8(4), pages 1-17, October.
    2. Jesse Sherry & Jennifer Koester, 2020. "Life Cycle Assessment of Aquaculture Stewardship Council Certified Atlantic Salmon ( Salmo salar )," Sustainability, MDPI, vol. 12(15), pages 1-15, July.
    3. Edoardo Turolla & Giuseppe Castaldelli & Elisa Anna Fano & Elena Tamburini, 2020. "Life Cycle Assessment (LCA) Proves that Manila Clam Farming ( Ruditapes Philippinarum ) is a Fully Sustainable Aquaculture Practice and a Carbon Sink," Sustainability, MDPI, vol. 12(13), pages 1-12, June.
    4. Daniela Summa & Mattia Lanzoni & Giuseppe Castaldelli & Elisa Anna Fano & Elena Tamburini, 2022. "Trends and Opportunities of Bivalve Shells’ Waste Valorization in a Prospect of Circular Blue Bioeconomy," Resources, MDPI, vol. 11(5), pages 1-16, May.
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