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소양호에서의 세균 군집의 분포 및 생리적 활성의 연중 변화
강찬수,김상종 ( Chan Su Kang,Sang Jong Kim ) 한국하천호수학회 1989 생태와 환경 Vol.22 No.3
The seasonal and spatial variations of the distribution and the activity of heterotrophic bacterial community in Lake Soyang were studied from March, 1987 to June, 1988. The total bacterial number, colony-forming bacteria, bacterial biomass, and bacterial secondary production were measured in the range of 0.35∼4.22 x 10^6 cells/ml, 1.4 x 10¹∼2.9 x 10⁴ CFU/ml, 5.38∼74.58 ㎍-C/l, and 0.03∼25.34 mg-C/hr/m³, respectively. The turnover time of ³H-gluoose varied from 72.8 to 31780 hours and of ³H-acetate was in the range of 7.9∼13469 hours. The distributions of these microbiological parameters were similar to those of phytoplankton. The seasonal fluctuation of microbiological parameters was higher in summer and lower in winter, and severely affected by the physical factors including water temperature. In the spatial distribution of those parameters, they were higher in the algalblooming sites than others