Impacto de las actividades de construcción de puertos en la estructura, composición y diversidad de la población de peces: estudio de caso de Tema, Ghana

Autores/as

  • Samuel K. K. Amponsah Department of Fisheries and Water Resources, University of Energy and Natural Resources, Sunyani, Ghana https://orcid.org/0000-0001-5559-3139
  • Francis K. E. Nunoo Department of Marine and Fisheries Sciences, University of Ghana, Legon, Ghana
  • Angela M. Lamptey Department of Marine and Fisheries Sciences, University of Ghana, Legon, Ghana
  • Patrick K. Ofori-Danson Department of Marine and Fisheries Sciences, University of Ghana, Legon, Ghana
  • Ayaa Armah Enviromental Service Limited, Ghana

DOI:

https://doi.org/10.47193/mafis.3722024010502

Palabras clave:

Pesquerías marinas, manejo, ecología

Resumen

Los puertos ofrecen progreso económico a muchos países costeros en desarrollo. En vista de la importancia económica, la creciente demanda de beneficios marítimos requiere la ampliación de los puertos existentes. Sin embargo, los ecosistemas marinos pueden volverse vulnerables al impacto negativo de la construcción de estas estructuras marítimas. Por lo tanto, el objetivo del estudio fue establecer el impacto de la expansión del puerto de Tema sobre la diversidad y estructura de la población de peces. Los datos se recopilaron trimestralmente desde junio de 2018 hasta noviembre de 2021 mediante actividades de pesca de arrastre fren-te a la costa del Gran Accra, Ghana. Los mismos se analizaron utilizando el software Primer 6. Los lugares de muestreo a lo largo de la costa del Gran Accra incluyeron Vernon Bank (VNB), Disposal area (DSA) y Offshore Sakumono (OSK). El mayor y menor número de especies en VNB y DSA, respectivamente, podría deberse al dragado y disposición de los escombros removidos. Los índices de diversidad en el sitio OSK fueron más altos que los observados en áreas perturbadas debido a la ausencia de impacto en esta área de control. Por lo tanto, se recomienda realizar más estudios sobre las asociaciones de especies invasoras que migraron al VNB durante las actividades de dragado, ya que estas especies pueden tener severos impactos económicos en la actividad pesquera de los pescadores artesanales, especialmente a nivel local.

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Publicado

11-12-2023

Cómo citar

Amponsah, S. K. K., Nunoo, F. K. E., Lamptey, A. M., Ofori-Danson, P. K. y Armah, A. (2023) «Impacto de las actividades de construcción de puertos en la estructura, composición y diversidad de la población de peces: estudio de caso de Tema, Ghana», Marine and Fishery Sciences (MAFIS), 37(2), pp. 255–275. doi: 10.47193/mafis.3722024010502.

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