Table 8: Test results (mean ± standard deviation) for Pseudokirchneriella subcapitata, Ceriodaphnia dubia and rainbow trout exposed to metal mixtures (arsenic, copper, chromium, uranium and zinc) + nutrients (sulphate and ammonia)+ total dissolved solids (TDS) solutions generated using Latte Creek and Halfway Creek collected in summer.
Treatments |
Pseudokirchneriella subcapitata |
Ceriodaphnia dubia |
Rainbow trout |
||
Cell Yield (x104 cells/ml) |
Survival |
Reproduction |
Survival |
Growth1 (mg) |
|
Latte Creek |
|||||
Lab. Control |
27.40 ± 1.70 |
100 |
17.50 ± 1.30 |
100 |
52 ± 3.40 |
Site Control |
79.90 ± 3.30* |
100 |
23.10 ± 3.80 |
100 |
54.50 ± 2.30 |
Low |
77.80 ± 5.10* |
100 |
21.90 ± 2.40 |
100 |
48.50 ± 1.50*# |
Moderate |
75.80 ± 4.80* |
100 |
14.80 ± 4.50*# |
100 |
49.80 ± 2.0*# |
High |
72.0 ± 4.80* |
100 |
13.0 ± 5.10*# |
100 |
50.70 ± 1.30*# |
Halfway Creek |
|||||
Lab. Control |
27.40 ± 1.70 |
100 |
18.10 ± 3.20 |
100 |
52.0 ± 3.40 |
Site Control |
79.90 ± 3.30* |
100 |
17.60 ± 7.80 |
100 |
54.50 ± 2.30 |
Low |
77.80 ± 5.10* |
100 |
17.70 ± 2.70 |
100 |
48.50 ± 1.50*# |
Moderate |
75.80 ± 4.80* |
100 |
11.40 ± 2.50*# |
100 |
49.80 ± 2.0*# |
High |
72.0 ± 4.80* |
100 |
12.10 ± 2.20*# |
100 |
50.70 ± 1.30*# |
Notes: 1 - Expressed as mg of dry weight; * Significantly different (p < 0.05) from laboratory control; # Significantly different (p< 0.05) from site control.