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        화옹호의 식물플랑크톤과 환경요인

        정미희 ( Mi Hee Chung ),김호섭 ( So Sub Kim ),최청일 ( Chung Il Choi ),황순진 ( Soon Jin Hwang ) 한국하천호수학회 2004 생태와 환경 Vol.37 No.2

        This study was conducted to evaluate both temporal and spatial dynamics of phytoplankton community and environmental parameters in a newly made reclaimed esturine lake (L. Hwaong). Monthly sampling was conducted at 4 sites covering the longest transact of longitudinal gradient of the lake from June to November, 2002. Total 5 classes 8 orders 26 families 63 genus 192 species were identified at all study sites during the study period. Phytoplankton total cell density ranged 24~1,882 cells mL^(-1) and highly varied both temporally and spatially. Total cell density was significantly related with salinity, pH, BOD, COD, SS, TN and TP concentration. Diatom density also was significantly correlated with salinity, SS, BOD, COD and TN concentration. Although there was spatial difference, a longtudinal gradient appeared in phytoplankton cell density, Chl-α, TN and TP concentration from the mouth of river in June and August. In conclusion, phytoplakton community structure was dominated by diatoms (Bacillariophyceae), and appeared to be largely influenced by salinity, precipitation, and nutrients during the summer and the fall.

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