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Invisible Climate Allies: How Shellfish Gatherers Contribute to a Low-Carbon Blue Economy

見えない気候の味方：貝類採りが低炭素ブルーエコノミーに貢献する方法 (AI 翻訳)

José Amorim Reis-Filho, Ayodele Oloko

IntechOpen eBooksジャーナル2026-05-20#炭素会計
DOI: 10.5772/intechopen.1015834
原典: https://doi.org/10.5772/intechopen.1015834

🤖 gxceed AI 要約

日本語

ブラジル沿岸地域の小規模漁業におけるカーボンフットプリントを評価。女性主体の貝類採りは、男性主体のモーター漁に比べて炭素強度が約1000分の1と極めて低く、低炭素な食料システムにおける重要な役割を明らかにした。

English

This study evaluates the carbon footprint of small-scale fisheries in Brazil, comparing shellfish gathering (mostly women) and motorized fishing (mostly men). Shellfish gathering shows three orders of magnitude lower carbon intensity, highlighting its role in low-carbon food systems and climate justice.

Unofficial AI-generated summary based on the public title and abstract. Not an official translation.

📝 gxceed 編集解説 — Why this matters

日本のGX文脈において

日本の水産業は機械化が進んでいるが、本研究成果は労働集約的で低機械化の漁業の炭素効率性を示しており、日本の沿岸域での持続可能な漁業政策や女性参画の議論に示唆を与える。

In the global GX context

While focused on Brazil, this paper provides empirical evidence linking carbon accounting with gendered labor in fisheries, contributing to global debates on equitable decarbonization and blue economy sustainability.

👥 読者別の含意

🔬研究者:Provides a novel method for carbon footprinting small-scale fisheries and linking it to gender dimensions.

🏢実務担当者:Offers insights for low-carbon seafood supply chain strategies and gender-inclusive sustainability programs.

🏛政策担当者:Demonstrates the potential of traditional, low-mechanization fishing practices for climate mitigation and food security.

📄 Abstract（原文）

This chapter evaluates the carbon footprint (CF) and intensity of small-scale fisheries in Brazilian coastal communities by contrasting two distinct livelihood strategies: shellfish gathering, predominantly undertaken by women, and motorized small-scale fishing, mainly practiced by men. While fisheries are often marginalized in discussions on carbon neutrality, small-scale systems play a central role in food provision, income generation, and socioecological resilience, particularly in developing coastal regions. Using an activity-based, life-cycle framework, we estimated greenhouse gas emissions from fishing operations, material inputs, and postharvest processing. We integrated these estimates with production data to derive carbon intensity metrics at monthly and community levels. The results reveal stark contrasts between fishing strategies. Motorized small-scale fishing demonstrated substantially higher absolute emissions and pronounced seasonal variability, primarily driven by fuel consumption. Conversely, shellfish gathering maintained consistently low-carbon footprints, with emissions predominantly linked to postharvest processing. When normalized by harvested biomass, carbon intensity (CI) patterns revealed that primary shellfish-gathering resources exhibited values approximately three orders of magnitude lower than motorized fishing, demonstrating the energetic efficiency of labor-intensive, low-mechanization practices. Community-level analyses further indicated that fleet size, spatial organization, and access to fishing grounds shape emission patterns across coastal environments. By explicitly linking carbon accounting to gendered labor structures, this chapter positions shellfish gatherers as key actors in low-carbon coastal food systems and contributes empirical evidence to debates concerning equitable decarbonization, climate justice, and sustainable fisheries governance.

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