Daniela Hill’s scientific contributions

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Publications (1)


Figura 1a. Área de estudio provincia de Manabí  
Figura 1b. Área de estudio provincia de Santa Elena  
DISTRIBUCIÓN Y DENSIDAD POBLACIONAL DEL PEPINO DE MAR Isostichopus fuscus (LUDWIG, 1875) EN LA PROVINCIA DE SANTA ELENA Y SUR DE MANABÍ DISTRIBUTION AND DENSITY STATUS OF SEA CUCUMBER Isostichopus fuscus (LUDWIG, 1875) IN THE PROVINCES OF SANTA ELENA AND SOUTH MANABÍ
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January 2013

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Willan Revelo

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Daniela Hill

1 Resumen Se presenta el análisis de la información colectada durante los meses de julio a noviembre del 2008. Por fines metodológicos el área de estudio fue dividida en dos zonas: Ayangue (provincia de Santa Elena) y Parque Nacional Machalilla (sur de Manabí) monitoreándose un total de 21 bajos con un área de cobertura de 9 900 m 2 , con profundidades comprendidas entre los 9 y 27 m. Se registraron un total de 75 ejemplares de Isostichopus fuscus a partir de los cuales se estimó la densidad poblacional promedio de 0,01 ind. m 2 , registrándose una talla promedio de 17,1 cm LT., para las dos zonas de muestreo. No existieron diferencias significativas en las tallas promedio por zona (p<0.05). El 69,5% de los ejemplares de I. fuscus estuvieron por debajo de la talla mínima de captura permitida (Resolución 006-2007 de la Junta de Manejo Participativo de Galápagos). Las tallas mayores o iguales a 20 cm LT, se registraron a profundidades superiores a 25 m, siendo poco asequibles para los pescadores artesanales buzos. Abstract This study analyzed biological data of Isostichopus fuscus sampled from July to November 2008. The study area was divided in two zones: Ayangue (Province from Santa Elena), and Parque Nacional Machalilla (southern area from Manabí). For both regions 21 beds were sampled, representing a surface of 9 900 m2, with depth between 9-27 m. A total of 75 individuals of I. fuscus were sampled. For both zones, the average density was estimated in 0,01 ind. m2, and the average size was 17,1 cm of total length. The results did not show significant statistical difference for the average total length between zones (p<0.05). The 69.5% of the individuals sampled were smaller than the legal minimum size (Agreement 006-2007 Comanagement Council from the Galapagos Islands). Organisms equal or larger than 20 cm total length were located deeper (> 25 m), consequently these specimens were not available for artisanal diving fishery.

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