DIURNAL VARIATION IN SOME WATER QUALITY PARAMETERS OF DIFFERENT INTEGRATED MULTI-TROPHIC AQUACULTURE SYSTEM

Authors

  • Md Rana Islam Fisheries and Marine Resource Technology Discipline, Khulna University, Khulna-9208, Bangladesh
  • Shanchita Zaman Chowdhury Fisheries and Marine Resource Technology Discipline, Khulna University, Khulna-9208, Bangladesh
  • Jannatul Ferdaus Jyoti Fisheries and Marine Resource Technology Discipline, Khulna University, Khulna-9208, Bangladesh
  • K. M Rakibur Hossain Fisheries and Marine Resource Technology Discipline, Khulna University, Khulna-9208, Bangladesh
  • Joyanta Bir Fisheries and Marine Resource Technology Discipline, Khulna University, Khulna-9208, Bangladesh
  • Abul Farah Md. Hasanuzzaman Fisheries and Marine Resource Technology Discipline, Khulna University, Khulna-9208, Bangladesh
  • Khandaker Anisul Huq Fisheries and Marine Resource Technology Discipline, Khulna University, Khulna-9208, Bangladesh

DOI:

https://doi.org/10.53808/KUS.SI.2023.ISFMRT.1146-ls

Keywords:

Water quality, IMTA, Time variation

Abstract

The present study was conducted to evaluate water quality parameter at different times of a day in an integrated multi-trophic aquaculture system. Four treatments: T1 (prawn+rohu), T2 (prawn+rohu+mola), T3 (prawn+rohu+mola+snail) and T4 (prawn+rohu+mola+snail+aquatic vegetable), and one control (only prawn) were included in the experimental design. Four water quality parameters (Temperature, DO, pH, CO2) were measured at 2 hours interval of a day, and recorded for one month March 2022. The maximum mean water temperature was found 24.67±1.89 ℃ at early afternoon (2 pm) in the control, while the minimum value noticed as 16.93±0.45 ℃ at morning (6 am) in the T1. The highest mean DO was measured at evening in the T2 (5.38±0.48 mg/L), while the minimum mean value observed in T1 (4.10±0.36 mg/L) at morning. pH value was found higher in evening (7.69±0.35)  than in the morning (7.29±0.17).pH value was found higher in T4 (7.69±0.35) where vegetable and snail were present compared to the control where no vegetable and snail was present. The highest CO2value was recorded in the control (16.32±1.1 mg/L) at the morning, while the lowest mean value noticed in the treatment 4 (12.89±1.62 mg/L) in the evening (6 pm). This study has pointed out that the water quality parameters in the prawn production ponds were influenced by the inclusion of different aquatic animal and vegetables in the IMTA system.

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Published

08-02-2024

How to Cite

[1]
M. R. Islam, “DIURNAL VARIATION IN SOME WATER QUALITY PARAMETERS OF DIFFERENT INTEGRATED MULTI-TROPHIC AQUACULTURE SYSTEM”, Khulna Univ. Stud., pp. 24–29, Feb. 2024.

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