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소양호 지류에서의 (상걸리) 식물플랑크톤 군집 구조(1984~1997)
이은주,김범철,조규송 江原大學校 附設 環境硏究所 1998 環境硏究 Vol.15 No.-
Species numbers, species diversity, chlorophyll a of phytoplankton and various physical-chemical characteristics were investigated at inlet site(Sanggul-Ri) in Lake Soyang from 1984 to 1994. Range of water temperature was 2.9℃to 30℃, transparency 0.3m to 5.5m, CHI. a 0.4mg/m³ to 631.8m/m³, total phosphorus 1.8 mg/m³ to 341.1mg/m³ and NO_(3)-N0.19mg/L to 1.47mg/L. Phytoplankton obtained from 168 samplings was identified as 68 genus ans 169 species. The species diversity of Shannon & Weaver was 0.02 to 1.02. The diversity was relative to frequency of Peridinium spp. and Anabaena spp. Total phosphorus concentration of inlet site was seven tines higher than that of dam site, The higher value of total phosphorus and the lowest vale of nitrate-nitrogen was measured when anabaena spp. and perid. inium spp. bloomed.