Potencial de Tegula atra (mollusca: Gastropoda) como biorregulador del crecimiento de algas en estanques de cultivo de lenguado Paralichthys adspersus

Jorge Sánchez, Carlos Canales-Cerro, Daly Noll, Diego Safian, Juan Manuel Estrada

Resultado de la investigación: Contribución a una revistaArtículorevisión exhaustiva

Resumen

One of the main problems in aquaculture lies in the stress to which the species in cultivation can be subjected, therefore the development of alternative techniques such a mixed culture are beneficial to minimize stress and improve the industry. Tegula atra is a gastropod that lives in subtidal and intertidal, with local economic importance and due its herbivorous behavior, we hypothesized that T. atra may be valuable in controlling macroalgae growth in culture tanks by mixed culture. Grazing percentage, respiratory behavior and excretion of nitrogen wastes, were measured in three size classes of T. atra, which were maintained in mixed culture together with the economically relevant Chilean flounder. While the largest specimens of T. atra (Class 3) were the most efficient in terms of algae consumption, the other classes were less effective and did not show significant differences in each other within a 24-hour period. Smaller and larger size classes organisms (Class 1 and Class 3), consumed the greatest amount of oxygen within a period of 120 min. Finally, smallest organisms (Class 1) emitted the greatest nitrogen wastes, in a period of 120 min. As the grazing ability was higher in larger specimens (Class 3), they could be the ideal candidates for polyculture. However, medium-sized specimens (Class 2) may be the most suitable, due its low O2 consumption and lower excretion of NH3, producing less negative effect on water quality. Future studies should evaluate the potential negative impacts of T. atra on the physiology of its cohabitants.

Título traducido de la contribuciónPotential of Tegula atra (mollusca: Gastropoda) as bioregulator of algae growth in culture tanks of the chilean flounder Paralichthys adspersus
Idioma originalEspañol
Páginas (desde-hasta)217-224
Número de páginas8
PublicaciónRevista de Biologia Marina y Oceanografia
Volumen55
N.º3
DOI
EstadoPublicada - 2020

Palabras clave

  • Bioregulator
  • Mixed culture
  • Polyculture
  • Tegula atra

Áreas temáticas de ASJC Scopus

  • Oceanografía
  • Ciencias acuáticas

Huella

Profundice en los temas de investigación de 'Potencial de Tegula atra (mollusca: Gastropoda) como biorregulador del crecimiento de algas en estanques de cultivo de lenguado Paralichthys adspersus'. En conjunto forman una huella única.

Citar esto