Use of video monitoring to quantify spatial and temporal patterns in fishing activity across sectors at moored fish aggregating devices off Puerto Rico

Wessley Merten; Roberto Rivera; Richard Appeldoorn; Kelvin Serrano; Omar Collazo; Nilda Jimenez

doi:10.3989/scimar.04730.09A

Autores/as

Wessley Merten Collaborative FAD Research Programme, Beyond Our Shores https://orcid.org/0000-0001-8746-0058
Roberto Rivera College of Business, University of Puerto Rico Mayagüez https://orcid.org/0000-0003-2890-6966
Richard Appeldoorn Department of Marine Sciences, University of Puerto Rico https://orcid.org/0000-0003-2179-7496
Kelvin Serrano Puerto Rico Department of Natural and Environmental Resources, Fish and Wildlife Bureau, Marine Ecology Division https://orcid.org/0000-0001-5963-193X
Omar Collazo Puerto Rico Department of Natural and Environmental Resources, Fish and Wildlife Bureau, Marine Ecology Division https://orcid.org/0000-0003-2478-7285
Nilda Jimenez Puerto Rico Department of Natural and Environmental Resources, Fish and Wildlife Bureau, Marine Ecology Division https://orcid.org/0000-0001-7515-8951

DOI:

https://doi.org/10.3989/scimar.04730.09A

Palabras clave:

sistemas de agregadores de peces, estudios independientes de pesca, evaluaciones utilizando video, pesquería artesanal, pesquería recreativa, mar Caribe

Resumen

Un reto crucial en las pesquerías artesanales que utilizan los sistemas de agregadores de peces fijos (mFAD, por sus siglas en inglés) es el poder cuantificar con certeza la actividad pesquera multisectorial a través de métodos independientes de la pesca. En este estudio presentamos un innovador análisis independiente de la pesca para la actividad de pesca multisectorial asociada a los nuevos mFAD establecidos en Puerto Rico. Se identificaron 3 sectores pesqueros (recreacional, de alquiler y comercial) y 158 embarcaciones que rutinariamente pescaban alrededor de los mFAD. Los resultados muestran que la actividad pesquera diurna variaba por hora del día, día de la semana, lugar y sector. Durante torneos de pesca la actividad pesquera se triplicó, a lo largo de los periodos evaluados los botes de alquiler mostraron mayor consistencia por día y la actividad recreativa aumentó durante el fin de semana. Nuestro estudio plantea una nueva técnica para identificar rápidamente y detectar actividad multisectorial pesquera cerca de los mFAD y resalta el potencial de tomar datos comparables en otros lugares donde se coloquen los mFAD. Los resultados se utilizan para discutir cómo esta técnica puede ser utilizada para evaluar la ejecutoria de los mFAD, identificar solape de uso por varios sectores y guiar las decisiones en cuanto a los patrones para colocar los mFAD y facilitar el diseño de estudios costo efectivos para estimar la actividad de embarcaciones y el potencial de captura de peces alrededor de los mFAD.

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