Table 1. Analyses of variance of mean total number of species in each treatment.
Site (Si) was random with 2 levels. Habitat type (Ha) and Contaminant (Contam) were fixed and orthogonal, with 2 and 5 levels, respectively; n = 3. Data were pooled when p > 0.25.
| Source | df | MS | Pseudo-F |
|---|---|---|---|
| Site (Si) | 1 | 1148.1 | 23.93** |
| Habitat type (Ha) | 1 | 631.73 | 13.17** |
| Contaminant (Contam) | 4 | ||
| C1—Control vs Carbaryl | 1 | 155.04 | 3.24ns |
| C2—Control vs Iron | 1 | 4.17E–02 | 0.00ns |
| C3—Control vs Metal | 1 | 63.375 | 1.48ns |
| C4—Control vs Blank | 1 | 12.443 | 0.28ns |
| Ha × Contam | 4 | ||
| Ha × C1 | 1 | 301.04 | 6.29* |
| Ha × C2 | 1 | 210.04 | 3.87ns |
| Ha × C3 | 1 | 273.38 | 6.38* |
| Ha × C4 | 1 | 68.387 | 1.52ns |
| Pooled | 49 | 47.977 | |
| Total | 59 | ||
| Pair-wise tests | Ha × C1—Control—Short < Long Carbaryl—Short = Long Ha × C3—Control – Short < Long Metal–Short = Long Short turfs – Carbaryl = Control Metal = Control Long turfs—Carbaryl < Control Metal < Control | ||
Notes.
ns, not significant (p > 0.05).
*
p < 0.05.
**
p < 0.01.