Nutrient removal at a drinking water reservoir in China with an algal floway

摘要: Abstract An experimental algal floway (5 m 2 in area) for water quality management was studied seasonally over an annual cycle 2013 at a drinking reservoir Fujian Province, China. Algal productivity averaged 21.4 ± 8.5 g dry weight m −2  d −1 across all seasons. Dominant taxa were Baciliariophyta (mainly Melosira sp.). Ash content of the biomass high (82.4–91.4%) perhaps part due to concentrations diatom silica frustules. Nutrient (N and P) removal assessed by multiplying rate nutrient biomass. Average rates seasons 212 ± 28 mg N m 36 ± 6 mg P m . No seasonal difference found either or N but P significantly higher spring summer compared with fall winter. positively correlated productivity. performance, terms from this study, subtropical site, than most published studies, which largely temperate zone locations United States. Based on scaling calculations suggest that area required treat 1 m 3 winter would be more twice size (≥22 m ) (≤11 m ).