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<p>Small-scale fisheries are complex socio-ecological systems shaped by dynamic interactions among biological, social, economic, and cultural factors. The chiton <i>Chiton articulatus</i>, or “cucaracha de mar,” is a culturally and economically important marine resource for coastal communities in Guerrero and Oaxaca, Mexico, yet its socio-ecological system remains poorly documented. This study analyzes the structure and dynamics of <i>C. articulatus</i> harvesting in Acapulco and the Costa Chica region through an integrated approach combining ethnographic methods and semantic network analysis. Narrative interviews with 32 actors, including specialized fishers (cucaracheros), traders, and community members, revealed regional differences in harvesting and commercialization strategies. While Costa Chica operates through specific-order systems, Acapulco features specialized vendor networks with territorial arrangements and tourist-oriented adaptations. Knowledge transmission follows intergenerational family patterns. A network of 13 nodes showed <i>C. articulatus</i> as the most connected and central element. Nodes such as Price, Knowledge, and Use exhibited high betweenness, acting as critical bridges. Three main clusters emerged: Management practices, Socio-environmental, and Final Use. Testimonies of declining populations and smaller specimens raise sustainability concerns, though informal self-regulation practices such as site rotation and size selection were observed. Potential ethnomedicinal uses in Afro-descendant communities of Corralero, Oaxaca, highlight an important biocultural heritage that warrants further investigation. This study offers critical insights into the complexity of traditional marine resource use in data-poor fisheries, informing context-sensitive management strategies that promote ecological sustainability and community wellbeing.</p>

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Socio-ecological dynamics: a semantic network analysis of Chiton articulatus harvesting in the Mexican South Pacific

  • 期刊论文

  • 发表日期：

    2026年6月19日

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  • Carlos Valencia-Cayetano,
  • Juana López-Martínez,
  • Jesús Guadalupe Padilla-Serrato,
  • Rafael Flores-Garza,
  • Alfredo Méndez-Bahena,
  • Francis Giovani Olea-de la Cruz,
  • Sergio García-Ibáñez

摘要

Small-scale fisheries are complex socio-ecological systems shaped by dynamic interactions among biological, social, economic, and cultural factors. The chiton Chiton articulatus, or “cucaracha de mar,” is a culturally and economically important marine resource for coastal communities in Guerrero and Oaxaca, Mexico, yet its socio-ecological system remains poorly documented. This study analyzes the structure and dynamics of C. articulatus harvesting in Acapulco and the Costa Chica region through an integrated approach combining ethnographic methods and semantic network analysis. Narrative interviews with 32 actors, including specialized fishers (cucaracheros), traders, and community members, revealed regional differences in harvesting and commercialization strategies. While Costa Chica operates through specific-order systems, Acapulco features specialized vendor networks with territorial arrangements and tourist-oriented adaptations. Knowledge transmission follows intergenerational family patterns. A network of 13 nodes showed C. articulatus as the most connected and central element. Nodes such as Price, Knowledge, and Use exhibited high betweenness, acting as critical bridges. Three main clusters emerged: Management practices, Socio-environmental, and Final Use. Testimonies of declining populations and smaller specimens raise sustainability concerns, though informal self-regulation practices such as site rotation and size selection were observed. Potential ethnomedicinal uses in Afro-descendant communities of Corralero, Oaxaca, highlight an important biocultural heritage that warrants further investigation. This study offers critical insights into the complexity of traditional marine resource use in data-poor fisheries, informing context-sensitive management strategies that promote ecological sustainability and community wellbeing.