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J Korean Soc Environ Eng > Volume 36(12); 2014 > Article
J Korean Soc Environ Eng 2014;36(12): 828-836. doi: https://doi.org/10.4491/KSEE.2014.36.12.828
얕은 연못에서 담수 어류의 열성 스트레스 저감을 위한 피난처 개발 및 수질환경 조사 연구
이새로미1, 안창혁1, 주진철2, 송호면1, 박재로1
1한국건설기술연구원 환경연구실
2한밭대학교 건설환경공학과
A Study on Development of Freshwater Fish Shelter and Evaluation of Water Quality for the Reduction of Thermal Stress in Shallow Pond
Saeromi Lee1, Chang Hyuk Ahn1, Jin Chul Joo2, Ho Myeon Song1, Jae Roh Park1
1Environmental Engineering Research Division, Korea Institute of Civil Engineering and Building Technology
2Department of Civil & Environmental Engineering
Corresponding author  Jae Roh Park ,Tel: 031-910-0302 , Fax: 031-910-0291, Email: jrpark@kict.re.kr
Received: December 8, 2014;  Revised: December 17, 2014;  Accepted: December 22, 2014.  Published online: December 31, 2014.
ABSTRACT
The purpose of this study evaluates the water quality of artificial deep pool (ADP) during the late spring and summer. we monitored the water quality, as pH, dissolved oxygen (DO), temperature and conductivity at two stations (St. 1. open water, St. 2. in the ADP). The water quality in the ADP is very stable, and temperature and DO are lower than the open water (average value; temperature 1.4~3.2℃, DO 2.4~3.6 mg/L). In particular, daily variation of temperature in the open water showed above 4℃, but ADP remained stable. The water quality was analyzed using two-way analysis of variance (ANOVA). The results of the analysis showed difference about temperature, pH, DO, conductivity (two-way ANOVA, p<0.05). The ADP has created an aqua environment in thermal and DO gradients by depth. About 1.2 m, Temperature and DO were sharply decreased. The Rhodeus uyekii is dominant species in pond of this study. The ADP offers optimum water temperature (16.5~18.5℃) to the Rhodeus uyekii about spawning. Consequently, the ADP offers stable habitat than open water for fish and aquatic organisms during the summer. It is also a good shelter for fish from a thermal stress.
Key Words: Artificial Deep Pool (ADP), Water Temperature Fluctuation, Daily Variation, Thermal Stress on Fish
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