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   13-52군체크기와(sh)-컬러.144431.pdf (677.7K) [52] DATE : 2015-04-07 18:44:48
Harmful Algal Bloom Alert System (HABAS) for drinking water supply is require to fast and
accurate count as system monitoring of cyanobacterium occurrence and inducing a response action. We
measured correlation between colony size and cell number including genus Anabaena, Aphanizomenon,
Microcystis, Oscillatoria which are targeted at HABAS, deducted from standard formula, and suggested
calculation method from colony size to the number of cell. We collected cyanobacteria samples at Han River
(Paldang reservoir), Nakdong River (Dalseong weir, Changnyeonghaman weir) and Geum River (Gobok
reservoir) from August to October, 2013. Also, we studied correlation between colony size and cell number,
and calculated regression equation. As a result of correlation of harmful cyanobacteria by genus, Anabaena
spp. and Aphanizomenon spp. having trichome showed high correlation coefficients more than 0.93 and
Microcystis spp. having colony showed correlation coefficient of 0.76. As a result of correlation of harmful
cyanobacteria by species, Anabaena crassa, Aphanizomenon flos-aquae, A. issatschenkoi, Oscillatoria curviceps,
O. mougeotii having trichome showed high correlation coefficients from 0.89 to 0.96, and Microcystis aeruginosa,
M. wessenbergii, M. viridis having colony showed correlation coefficients from 0.76 to 0.88. Compared
with other genus Microcystis relatively showed low correlation because even species and colony size are the
same, cell density and cell size are different from Microcystis strains. In this study, using calculated regression
might be fast and simple method of cell counting. From now on, we need to secure additional samples, and
make a decision to study about other species.