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Margolang, Anggi R.
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Civil Engineering, Building, Construction & Architecture Earth & Planetary Sciences Engineering Environmental Science Physics

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Evaluation of Dissolved Oxygen Concentration in Different Circulation Systems on Water Quality in Fish Pond Yohana, Winda Y.; Nasution, Tulus I.; Wahyuningsih, Hesti; Matondang, Aprima A.; Margolang, Anggi R.
Journal of Applied Geospatial Information Vol. 8 No. 1 (2024): Journal of Applied Geospatial Information (JAGI)
Publisher : Politeknik Negeri Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30871/jagi.v8i1.7820

Abstract

This study aims to evaluate the impact of different circulation systems on water quality parameters in tilapia rearing. Good water quality is very important in tilapia rearing so that tilapia can grow healthily and optimally. In this study, three different circulation systems were compared, namely a circulation system without a pump, a circulation system with one pump, and a circulation system with two pumps to increase the concentration of dissolved oxygen in the pond. The results of this study showed that CS III was able to maintain an efficient and stable DO concentration of around 7.5 to 8 ppm which also resulted in a stable pH value. Compared to CS I with a low DO concentration of about 3 ppm which impacted the pH value inefficiently. Also, CS II showed stable DO concentrations but decreased pH values. This shows that CS III can create more optimal environmental conditions for tilapia growth compared to other circulation systems. Furthermore, The consistent of DO concentration has an impact on other water quality parameters, namely pH, which is also consistent and stable, which is good for fish health.
Comparing the Behavior and Growth of Red and Black Tilapia in the Same Pond Margolang, Anggi R.; Nasution, Tulus I.; Wahyuningsih, Hesti; Matondang, Aprima A.; Yohana, Winda Y.
Journal of Applied Geospatial Information Vol. 8 No. 1 (2024): Journal of Applied Geospatial Information (JAGI)
Publisher : Politeknik Negeri Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30871/jagi.v8i1.7821

Abstract

This study compared the growth of red and black tilapia in a shared pond. It examined environmental factors, including temperature, pH levels, dissolved oxygen (DO), and total dissolved solids (TDS). The study employed a solitary water pump system to monitor fish growth and water quality over 36 days. Although there was a decline in dissolved oxygen (DO) levels on day 18, red tilapia exhibited accelerated growth and higher survival rates, suggesting enhanced environmental adaption compared to black tilapia. The feeding parameters were of utmost importance, and Prima Feed (PF 1000) performed a critical role by offering the ideal levels of protein (39-41%), fat (5%), fiber (6%), ash (16%), and water content (10%). Water quality assessments indicated varying dissolved oxygen (DO) levels, which were affected by temperature fluctuations caused by unpredictable weather conditions. Although the TDS range of 0.5-1.0 ppm was deemed suitable for tilapia cultivation, the total water quality remained suboptimal throughout the investigation. However, the findings indicated that red tilapia exhibited a greater growth rate than black tilapia under identical pond conditions. This can be related to the red tilapia's improved capacity to withstand fluctuations in temperature and retain a higher level of physiological stability. This study offers significant findings regarding the disparities in the two tilapia species' behavior, growth, and survival. These findings can be used to enhance pond management and maintenance procedures to achieve better outcomes in aquaculture.
Co-Authors Hesti Wahyuningsih Matondang, Aprima A. Nasution, Tulus I. Yohana, Winda Y.