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Performance and Challenges in the Value Chain of the Anadara tuberculosa Bivalve Mollusk in Ecuador

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  • Eveligh Prado-Carpio

    (Facultad de Ciencias Agropecuarias, Universidad Técnica de Machala, Machala 070102, Ecuador)

  • María de Lourdes Olivo-Garrido

    (Departamento de Ciencias Sociales y Económicas, Escuela de Nutrición y Dietética, Universidad Central de Venezuela, Distrito Capital, Caracas 1041, Venezuela)

  • Manuel Quiñonez-Cabeza

    (Facultad de Ciencias Administrativas y Económicas, Universidad Técnica Luis Vargas Torres de Esmeraldas, Esmeraldas 080102, Ecuador)

  • Christine M. Beitl

    (Department of Anthropology, University of Maine, Orono, ME 04469-5773, USA)

  • Moisés Martínez-Soto

    (Departamento de Agronomía, Ciudad Universitaria, Núcleo Agropecuario, Facultad de Agronomía, Universidad del Zulia, Maracaibo 4005, Venezuela)

  • Carlos Rodríguez-Monroy

    (Departamento de Ingeniería de Organización, Administración de Empresas y Estadística, Universidad Politécnica de Madrid, 28006 Madrid, Spain)

Abstract

The bivalve mollusk, Anadara tuberculosa (Black Shell, in Spanish Concha Prieta), is found on America’s Pacific coast, where it is harvested for subsistence and commercial markets. This paper aims to diagnose the performance of the black shell’s value chain. We also identify several challenges that must be addressed to improve the sustainability of the black shell fishery in Ecuador. The applied methodology was quantitative and descriptive. Its design was non-experimental, field, cross-sectional and ex post facto. The investigation was carried out from January to October 2019 in the Jambelí archipelago, El Oro province, Ecuador. The study population consisted of 565 individuals, shellfish collectors, shellfish associations managers, traders, and restaurants from the A. tuberculosa production chain. The sample size was estimated at 222 informants. The type of sampling used was probabilistic, random, stratified, and with proportional allocation, with an effective participation rate of those selected of approximately 80%. The questionnaire was applied personally through the structured survey method, in writing, in the work area, and with their consent. The performance of the value chain was diagnosed in the dimensions of productivity, competitiveness, and quality of life, reaching a 75.1% index, a result that indicates that the value chain has a moderate to good performance level. The competitiveness dimension reached the highest performance, followed by productivity. Quality of life was the dimension with the lowest performance. The value chain can be improved if the following challenges are met: (1) Restoration of the mangrove ecosystem, (2) Promotion of low-intensity shellfish aquaculture, (3) Good sanitary management and purification, (4) Promotion of value-focused ventures, (5) Strengthening of organizations and agreements for the use and custody of mangroves, and (6) Strengthening of institutions that contribute to the advancement of these challenges.

Suggested Citation

  • Eveligh Prado-Carpio & María de Lourdes Olivo-Garrido & Manuel Quiñonez-Cabeza & Christine M. Beitl & Moisés Martínez-Soto & Carlos Rodríguez-Monroy, 2021. "Performance and Challenges in the Value Chain of the Anadara tuberculosa Bivalve Mollusk in Ecuador," Sustainability, MDPI, vol. 13(19), pages 1-20, September.
    • Handle: RePEc:gam:jsusta:v:13:y:2021:i:19:p:10863-:d:646938
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    References listed on IDEAS

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    1. Beitl, Christine M., 2014. "Adding Environment to the Collective Action Problem: Individuals, Civil Society, and the Mangrove-Fishery Commons in Ecuador," World Development, Elsevier, vol. 56(C), pages 93-107.
    2. Padilla, Ramón, 2017. "El fortalecimiento de cadenas de valor de productos primarios y agroindustriales," Libros de la CEPAL, Naciones Unidas Comisión Económica para América Latina y el Caribe (CEPAL), number 42021.
    3. Padilla, Ramón & Oddone, Nahuel, 2016. "Manual para el fortalecimiento de cadenas de valor," Sede Subregional de la CEPAL en México (Estudios e Investigaciones) 40662, Naciones Unidas Comisión Económica para América Latina y el Caribe (CEPAL).
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