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Scenarios of Sustainable Fishing in the Zapatosa Marsh (Colombia) Simulated with a System Dynamics Model

Author

Listed:
  • Andres Camilo Castaño-Barreto

    (Grupo de investigación “ICTIAP” Ciencia, tecnología e Innovación en Acuicultura y Pesca, Facultad de Ciencias Agropecuarias, Universidad Nacional de Colombia, Palmira 763537, Colombia)

  • Carlos Alberto Jaramillo-Cruz

    (Grupo de investigación “ICTIAP” Ciencia, tecnología e Innovación en Acuicultura y Pesca, Facultad de Ciencias Agropecuarias, Universidad Nacional de Colombia, Palmira 763537, Colombia)

  • Raul Andres Molina Benavides

    (Grupo de investigación “Conservación, Mejoramiento y Utilización del Ganado Criollo Hartón del Valle y otros Recursos Genéticos Animales en el Sur-Occidente colombiano”, Universidad Nacional de Colombia, Palmira 763531, Colombia)

  • Alberto Stanislao Atzori

    (Section of Animal Science, Department of Agriculture, Università degli Studi di Sassari, 07100 Sassari, Italy)

Abstract

The Zapatosa marsh ( ciénaga de la Zapatosa ) is located in the Department of Cesar in Colombia. In 2018, the muddy complex of Zapatosa was declared a Ramsar wetland, for this reason, it is necessary to develop management strategies for the marsh that allow not only the conservation of the ecosystem. The objective of this work is to use System Dynamics as an evaluation tool for three possible management scenarios of artisanal fishing in the Zapatosa marsh. A qualitative causal diagram and a quantitative Stock and Flow diagrams were designed to describe the dynamics of fish and fishermen populations in the marsh. The initial model setting and parametrization derived from values gathered from different sources of information. The calibration of the model was carried out with reference data on total catch of kilograms of fish and population data from the Department of Cesar. The data obtained through the “Aquaculture and artisanal fisheries survey of the Department of El Cesar” in 2018 were reproduced in the model and then compared with 3 alternative management scenarios. Scenario 1 included strictly applying of the fishing stopover for the species Prochilodus magdalenae and for catfish ( Pseudoplatystoma magdaleniatum, Pimelodus blochii y Sorubim cuspicaudus) . Scenario 2 considered to apply the same prohibitions, but with a payment to fishermen for the care of the swamp at the time of prohibition. In Scenario 3 the fishermen under fishing stop will receive an income of a legal Colombian minimum monthly salary and will be engaged in practices of ecosystem services. Results showed that in some scenarios the economic situation of the fishermen is unable to meet the monthly family expenses in different periods of the year. On the other hand, there is greater economic stability and fish populations when adopting Scenario 3, but it is difficult to achieve in the short or medium term. Scenario 2 shows little recoveries in fish populations and a higher money availability to the local community than in Scenario 3, in certain months, presenting the best short-term management option. The presented model encourages further simulation scenarios of the Zapatosa Marsh.

Suggested Citation

  • Andres Camilo Castaño-Barreto & Carlos Alberto Jaramillo-Cruz & Raul Andres Molina Benavides & Alberto Stanislao Atzori, 2020. "Scenarios of Sustainable Fishing in the Zapatosa Marsh (Colombia) Simulated with a System Dynamics Model," Sustainability, MDPI, vol. 12(8), pages 1-22, April.
  • Handle: RePEc:gam:jsusta:v:12:y:2020:i:8:p:3458-:d:349583
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    References listed on IDEAS

    as
    1. Joaquín Viloria De La Hoz, 2008. "Economía Extractiva Y Pobreza En La Ciénaga De Zapatosa," Documentos de trabajo sobre Economía Regional y Urbana 103, Banco de la Republica de Colombia.
    2. Inomata, Sandrelly Oliveira & Gonzalez, Alba Maria Guadalupe Orellana & Román, Rodrigo Máximo Sánchez & de Souza, Lucirene Aguiar & de Carvalho Freitas, Carlos Edwar, 2018. "Sustainability of small-scale fisheries in the middle Negro River (Amazonas – Brazil): A model with operational and biological variables," Ecological Modelling, Elsevier, vol. 368(C), pages 312-320.
    3. Edward J. Garrity, 2011. "System Dynamics Modeling of Individual Transferable Quota Fisheries and Suggestions for Rebuilding Stocks," Sustainability, MDPI, vol. 3(1), pages 1-32, January.
    4. Laura S Storch & Sarah M Glaser & Hao Ye & Andrew A Rosenberg, 2017. "Stock assessment and end-to-end ecosystem models alter dynamics of fisheries data," PLOS ONE, Public Library of Science, vol. 12(2), pages 1-11, February.
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