Efecto de la densidad de almacenamiento del biofiltro en la capacidad de filtración de nutrientes de Ulva lactuca

Autores/as

DOI:

https://doi.org/10.33448/rsd-v11i3.26173

Palabras clave:

Sistema Integrado de Acuicultura Multitrófica; Macroalgas; Agricultura marina; Acuicultura sostenible.

Resumen

Este trabajo tuvo como objetivo evaluar la capacidad de filtrado de nitrógeno y fósforo inorgánicos por biofiltro de la macroalga Ulva lactuca en función de la densidad de población en un sistema AMTI en recirculación de agua. Las macroalgas se cultivaron en 20 unidades experimentales, con 5 densidades de almacenamiento (2, 4, 6, 8 y 10 kg.m-3) y 4 repeticiones. Las concentraciones de los nutrientes amonio (N-NH3), nitrito (N-NO2), nitrato (N-NO3) y fosfato (P-PO4) se analizaron en el momento de la interrupción del suministro (06:00) y después de las 12 horas (18:00) para la evaluación de la filtración de nutrientes. No hubo variaciones significativas (p> 0.05) entre los valores de eficiencia de filtración de nitrógeno (EF-N) y fósforo (EF-P) y de la tasa de filtración de nitrógeno (TF-N) y fósforo (TF-P ) en función de la densidad de población. Sin embargo, se observó un efecto (p <0.05) de la densidad de población sobre el índice de filtración de nitrógeno (IF-N) y fósforo (IF-P), donde se observaron los índices más altos para las densidades de carga más bajas. La densidad de almacenamiento de las macroalgas interfiere con la capacidad de filtración de nutrientes, donde las densidades de almacenamiento más bajas proporcionan una mayor capacidad de filtración de las macroalgas.

Citas

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Publicado

16/02/2022

Cómo citar

SOARES, R. . de O. .; CASTELAR, B. .; PONTES, M. D. . Efecto de la densidad de almacenamiento del biofiltro en la capacidad de filtración de nutrientes de Ulva lactuca. Research, Society and Development, [S. l.], v. 11, n. 3, p. e14111326173, 2022. DOI: 10.33448/rsd-v11i3.26173. Disponível em: https://rsdjournal.org/index.php/rsd/article/view/26173. Acesso em: 23 nov. 2024.

Número

Sección

Ciencias Agrarias y Biológicas