Transecta con dron: un protocolo operativo no destructivo para estudios de conservación en zonas intermareales de arrecifes coralinos utilizando drones

Autores/as

  • Lynick Jones Pós-graduação em Biodiversidade, Universidade Federal Rural de Pernambuco, Recife, Brasil - Pós-graduação em Biologia Animal, Universidade Federal de Pernambuco, Pernambuco, Brasil - Laboratório de Biodiversidade, Centro Acadêmico de Vitória, Universidade Federal de Pernambuco, Pernambuco, Brasil
    • Anny K. A. A. C. Bolognez Laboratório de Geotecnologias (LAGEO), Universidade Federal de Rondonópolis, Rondonópolis, Brasil https://orcid.org/0000-0003-3706-5070
      • Normandes Matos da Silva Laboratório de Geotecnologias (LAGEO), Universidade Federal de Rondonópolis, Rondonópolis, Brasil https://orcid.org/0000-0002-4631-9725
        • Thiago H. de Melo Silva Laboratório de Biodiversidade, Centro Acadêmico de Vitória, Universidade Federal de Pernambuco, Pernambuco, Brazil - Pós-graduação em Geociências, Universidade Federal de Pernambuco, Pernambuco, Brasil https://orcid.org/0009-0009-5826-6112
          • André M. Melo Santos Laboratório de Biodiversidade, Centro Acadêmico de Vitória, Universidade Federal de Pernambuco, Pernambuco, Brazil https://orcid.org/0000-0002-5754-3984
            • Paula Braga Gomes Pós-graduação em Biodiversidade, Universidade Federal Rural de Pernambuco, Recife, Brasil - Pós-graduação em Biologia Animal, Universidade Federal de Pernambuco, Pernambuco, Brasil - Departamento de Biologia, Universidade Federal Rural de Pernambuco, Recife, Brasil https://orcid.org/0000-0002-1555-1484
              • Carlos D. Pérez Pós-graduação em Biodiversidade, Universidade Federal Rural de Pernambuco, Recife, Brasil - Pós-graduação em Biologia Animal, Universidade Federal de Pernambuco, Pernambuco, Brasil https://orcid.org/0000-0002-0866-1183

                DOI:

                https://doi.org/10.47193/mafis.39420260011010

                Palabras clave:

                Palythoa caribaeorum, Zoantharia, bentos, aeronave pilotada remotamente, software SPRING, QGis

                Resumen

                Con las múltiples funciones atribuidas al uso de drones, se han desarrollado diversas aplicaciones en ambientes costeros. La mayoría de los estudios se han centrado en la cuantificación de la cobertura viva y no viva, sin medir ni cuantificar especies a nivel individual. En este contexto, proponemos el método Drone-Transect, que, a partir de imágenes aéreas capturadas por drones, permite identificar organismos bentónicos a gran escala espacial, determinando su abundancia y distribución espaciotemporal. Utilizando el zoantario Palythoa caribaeorum como organismo modelo, el método fue comparado con el método de Transecto de Intercepción Lineal (Line-Intercept Transect, LIT) con el fin de evaluar la precisión de los datos obtenidos. El método Drone-Transect presentó escasa variación entre días consecutivos, mientras que el LIT mostró una variación de cobertura del 51%. Aprovechando el ortomosaico generado, se realizó una simulación de LIT con 21 repeticiones. En cada repetición, el transecto inicial se ubicó a un metro de distancia del anterior. Los resultados mostraron un coeficiente de variación del 33% entre los valores obtenidos. Además, el método Drone-Transect presenta varias ventajas: es no invasivo, ya que los investigadores no necesitan ubicarse sobre los arrecifes; no requiere un equipo de trabajo in situ, lo que incrementa la seguridad durante el muestreo; y es más rápido, permitiendo que un único piloto complete en 15 min una tarea que requeriría tres horas y un equipo de seis personas utilizando el método LIT. El método Drone-Transect constituye una herramienta eficaz tanto para el estudio de la dinámica poblacional de especies como para el monitoreo de comunidades bentónicas. Asimismo, puede aplicarse en estudios orientados a la conservación de ecosistemas mediante la evaluación del estado de salud de los arrecifes coralinos, especialmente dentro de unidades de conservación. 

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                Publicado

                17-09-2026

                Cómo citar

                Jones, L., Bolognez, A. K. A. A. C., Matos da Silva, N., Silva, T. H. de M., Santos, A. M. M., Gomes, P. B., & Pérez, C. D. (2026). Transecta con dron: un protocolo operativo no destructivo para estudios de conservación en zonas intermareales de arrecifes coralinos utilizando drones. Marine and Fishery Sciences (MAFIS), 39(4), 667-684. https://doi.org/10.47193/mafis.39420260011010

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