Efecto de la salinidad en el control de la intensidad de epibiosis de la concha de abanico
2018
This investigation's objectives were: determine the growth of the ‘concha de abanico’
Argopecten purpuratus under experimentation, determine the diversity of the epibionts of
this species, determine the mortality of ´concha de abanico´under experimentation, identify
the salinity concentration and the treatment time needed to reduce epibionts with the least
mortality of the farmend organisms. Was carried out a factorial experiment with three
concentrations of salinity applied as baths by 5, 10 and 15 minutes to control the epibionts.
The growth in weight of A. purpuratus have been between 11,19 g as minimun and 20,55 g
as maximun. The growth in valve heigth has been between 8,15 mm as minimun and 11,9
mm at the maximun. The composition of the concha´s de abanico epibionts was a reduced
number of specia: Hydroides sp, Balanus, Semimitylus algosus, Aglaophenia sp. and Ciona
intestinales, predominating Hydroides sp y Mitylus. The least concha de abanico`s mortality
was obtained at 20%o salinity and the least epibionts biomass was obtained with bath of 5
minutes. The salinity concentration of 20%o applied by 5 minutes it is considered adequate
to reduce epibionts at the minimun.
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