Evaluation of Water Quality of Özlüce Dam Lake in Terms of Trout Cultivation and Carrying Capacity Estimation
2021
Kucukyilmaz, Mehmet | Kocer, Mehmet Ali Turan | Ornekci̇, Gurel Nedim | Karakaya, Gokhan | Uslu, Ali Atilla | Arisoy, Gulden | Alpaslan, Kenan | Turkgulu, Ibrahim | Ozbey, Nurten
This study was carried out to reveal the suitability and carrying capacity of the Özlüce Dam Lake, located within the provincial borders of Elazig and Bingöl, for trout farming. The study on the dam lake was planned between January and December 2015 however, it could be done between January and June 2015. Between these dates, surface water samples were taken monthly and instant measurements were made at a total of 5 stations determined in Özlüce Dam Lake. Different depths of measurement and sampling were performed in Station 4. According to the results, evaluations were made on trout production and carrying capacity in dam lake. It was determined that the temperature values of water quality parameters ranged from 5.6 (February) to 19.4 (June) °C in surface water, and between 3.3 to 18.9 °C in water column at fourth station, the dissolved oxygen concentration of 9.2 to 12.1 mg/l in surface water, 4 mg/l to 11.4 mg/l in water column at fourth station, the pH values of 7.6 to 8.7 in surface water, 7.4 to 8.6 in water column at fourth station, nitrite concentration of 0.0002 mg/l to 0.0736 mg/l in surface water, UUL (Under Undetecable Level) to 0.2389 mg/l in water column at the fourth station, nitrate concentration of 0.04 mg/l to 2.33 mg/l in surface water, UUL to 2.29 mg/l in water column at fourth station and the secchi disc depth 1m to 5m. When the specified rules are followed, Özlüce Dam Lake was found suitable for periodical trout farming and according to the phosphorus based transport capacity, it is estimated that the trout can be grown in the lake around 21.500 tons/year.
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