… Prepared RHW had pH, alkalinity, and hardness levels … serve as the medium of Ceriodaphnia
culture. The chamber was … , reproduction, and respiration to maintain reproductive output. …

… in both mass culture and during 7-day toxicity tests. The final … Differences in alkalinity (mg
CaCO3/L) were found between … of municipal wastewater exposure in situ on the reproductive …

… Ceriodaphnia dubia mass cultures were raised in 2-L glass … Natural field-collected water
contains background alkalinity … and reproduction, our results suggest that BML surface water …

… cultures of 15 animals were maintained at the desired water … the effects of varying water
hardness (as well as alkalinity and … (VI) to Ceriodaphnia dubia in soft water (water hardness and …

… (7-day survival and reproduction) effects of four commonly used … neonates (<24 h old)
were obtained from cultures at the … 283 mg/L as CaCO 3, alkalinity 255 mg/L as CaCO 3, and …

… tables) from the culture tank. Each plant … Ceriodaphnia dubia), a unicellular green alga
(Selenastrum capricornutum) and a macrophyte (Lemna minor), at relatively constant alkalinity …

… This is done to remove all effects of the silicone glue. Two times through the … water and
toxicant or test effluent. A comparison was ruade studying the effects of dissolved oxygen and test …

… Ceriodaphnia dubia was isolated for culture in isolation … by diluting one part of the filtrate with
6–8 parts of tap water. … toxic effect on Ceriodaphnia dubia even after a prolonged exposure. …

… of 56 μg/L for reproduction in Ceriodaphnia dubia. Results of … 8.37; hardness, 78 to 93 mg/L
(as CaCO 3 ); and alkalinity, 64 … dubia reproduction were kept for all stock cultures and only …

… Test waters differed from culture water primarily in that CaCO … Alkalinity and hardness were
measured in new water only … Cl = 10 test, and growth and reproduction being most sensitive …