5.1 Conclusiones
§ Existe estructura genética de R. porosus en el Caribe colombiano detectada con el marcadores moleculares mitocondriales, con una diferenciación genética significativa
§ R. porosus presenta niveles bajos de diversidad genética para los genes mitocondriales COI y RC en el área de estudio.
§ Mediante el análisis del gen mitocondrial COI, se evidencia la presencia de dos haplotipos de R. terranoevae en el Caribe colombiano, lo que contribuye a confirmar la presencia de dicha especie en esta zona del Caribe.
§ Se detectaron tres loci microsatélites heterólogos polimórficos (Cli7, Ls24 y Ls30) en R. porosus que brindan información sobre la distribución de la diversidad de la especie en el Caribe colombiano.
§ R. porosus presenta niveles bajos de diversidad genética para los genes mitocondriales COI y RC en el área de estudio.
5.2 Recomendaciones
§ Manejar de manera independiente los dos stocks genéticos del litoral Caribe colombiano
§ Desarrollar cebadores específicos para las especies de tiburones y recursos explotados en la región Caribe.
§ Analizar la estructura poblacional de R. porosus en un rango geográfico mas amplio y con un tamaño de muestra mayor, en el que se incluyan muestras del las Antillas del Caribe, Centroamérica, el Caribe sur y Brasil.
54 Análisis genético poblacional del tiburón cazón antillano, Rhizoprionodon porosus (Carcharhinidae), en el Caribe colombiano
Título de la tesis o trabajo de investigación
§ Profundizar en estudios taxonómicos, basados en caracteres morfológicos y moleculares que aporten herramientas para discriminar con facilidad las especies de Rhizoprionodon en el Atlántico occidental.
5.3 Futuras direcciones.
§ Repetir el estudio en el tiempo para determinar el comportamiento de los haplotipos y las frecuencias alélicas en el Caribe colombiano.
§ Generar más información que contribuya al conocimiento y definición de unidades de manejo y para la integración multidisciplinaria en el diseño de planes de manejo pesquero para la especie.
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