Survival and reproduction results (mean ą standard deviation) for Ceriodaphnia dubia exposed to low, moderate and high mixtures of arsenic, copper, chromium, uranium and zinc + nutrients (sulphate and ammonia) generated using spiked Latte and Halfway Creek water collected in winter and summer.

Table 6: Survival and reproduction results (mean ą standard deviation) for Ceriodaphnia dubia exposed to low, moderate and high mixtures of arsenic, copper, chromium, uranium and zinc + nutrients (sulphate and ammonia) generated using spiked Latte and Halfway Creek water collected in winter and summer.

Treatments	Winter		Summer
Treatments	Survival (%)	Reproduction (Number of broods)	Survival (%)	Reproduction (Number of broods)
Latte Creek
Laboratory Control	100	21.80 ± 7.60	100	17.50 ± 1.30
Latter Creek (Site Control)	100	20.20 ± 7.50	100	23.10 ± 3.80
Low	100	22.10 ± 6.20	100	23.30 ± 2.80
Moderate	100	15.20 ± 5.60*^#	100	22.20 ± 2.0
High	100	18.20 ± 8.50	100	20.10 ± 2.60
Halfway Creek
Laboratory Control	100	20.60 ± 9.30	100	18.10 ± 3.20
Halfway Creek (Site Control)	90	23.80 ± 6.0	100	17.60 ± 7.80
Low	100	24.50 ± 4.40	100	18.40 ± 6.0
Moderate	100	20.30 ± 8.60	100	18.70 ± 4.90
High	90	16.50 ± 7.90*^#	100	18.40 ± 4.30

Notes: * Significantly different (p < 0.05) from laboratory control; # Significantly different (p < 0.05) from site control; Calculation of the survival standard deviation was not possible due to the lack of variability in the result