Table 7: Survival and growth results (mean ± standard deviation) for rainbow trout 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 |
||
Survival |
Growth1 |
Survival |
Growth1 |
|
Latte Creek |
||||
Laboratory Control |
100 |
40.10 ± 1.20 |
100 |
52.0 ± 3.40 |
Latte Creek (Site Control) |
100 |
41.20 ± 2.50 |
100 |
54.50 ± 2.30 |
Low |
100 |
41.40 ± 1.80 |
100 |
50.60 ± 4.0 |
Moderate |
95 |
39.20 ± 1.70 |
100 |
51.80 ± 3.20 |
High |
100 |
39.50 ± 1.0 |
100 |
50.40 ± 1.90 |
Halfway Creek |
||||
Laboratory Control |
100 |
40.10 ± 1.20 |
100 |
40.10 ± 1.20 |
Halfway Creek (Site Control) |
100 |
40.0 ± 3.10 |
100 |
40.0 ± 3.10 |
Low |
100 |
39.0 ± 2.30 |
100 |
39.0 ± 2.30 |
Moderate |
100 |
39.60 ± 1.80 |
100 |
39.60 ± 1.80 |
High |
100 |
39.30 ± 0.30 |
100 |
39.30 ± 0.30 |
Notes: 1 -Expressed as mg of dry weight; Calculation of the survival standard deviation was not possible due to the lack of variability in the results