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김승범,안태영,하영칠 ( Seung Beom Kim,Tae Young Ahn,Yung Chil Hah ) 한국하천호수학회 1991 생태와 환경 Vol.24 No.4
The denitrifying capacity and various environmental factors were investigated in Lake Soyang from May to October, 1989, and analyzed in statistical manners. Nitrate was added to sediment samples to a initial concentration of 1 mM, and the N_2O production was measured with gas chromatograph at in situ temperature by acetylene blockage method. The N_2O production rates were 0.32∼13.8μM N_2O-N ·g-dw^-1 day^-1, 5.8μM N_2O-N ·g-dw^-1 day^-1 in average, and reached highest values in July and August. The denitrifying capacity showed strong correlation with temperature (0.55) and nitrite(0.42), but not with nitrate concentration, nor with the population size of denitrifiers.