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김민영,강희곤,이상수,정호진,김상훈,배경석 ( Min Young Kim,Hee Gon kang,Sang Su Lee,Ho Jin Jeong,Sang Hoon Kim,Kyung Seok Bae ) 한국하천호수학회 1989 생태와 환경 Vol.22 No.4
The present study was conducted to investigate on removal efficency and control effect of the algae at Misa-ri Regatta Coarse based on the applied amount of several algaecides. We performed the research during the period from June 27, 1988 to August 22, 1988. Control effect of Chlorine dioxide products dosage 10 mg/1 appeared as over 70 percent removal efficiency of the algae on 2 days after and over 90 percent removal efficiency of the algae on 3 days after in comparison with the natural culture type. At the Copper alkanolamine complexes products dosage between 0.16 mg/1 and 1.14 mg/1 ranges was showed a excellent control effect with around 90 percent on 3-4 days after. At each 2.4-D dosage was showed little difference on 3 days after, but showed very fast increasing speed of algae on 6 days to 11 days after. At below 15 mg ClO₂ dosage is a freedom from danger at test of acute toxicity with Gold fish, but Cutrineplus have a acute toxicity. Therefore, scatter of Chlorine dioxide products dosage 10 mg/1 is a economical treatment method based on the environmental impacts and removal efficiency of the problem algae.