Table 2.
Composition of anomalies from the laboratory experiment and field collection
| Anomaly type | Control (0) | Light (16) | Intermediate (32) | Heavy (48) | Total for treatments 16, 32, 48 | Field sites (n = 384) | ||||
|---|---|---|---|---|---|---|---|---|---|---|
| Early | Late | Early | Late | Early | Late | Early | Late | |||
| Anophthalmy | – | – | – | – | – | – | – | – | – | 0.003 |
| Mandibular hypoplasy | – | – | – | – | – | – | – | – | – | 0.003 |
| Non-developed operculum | – | – | – | – | – | – | 0.10 | – | 0.03a | 0.008 |
| Brachydactyly | – | – | – | – | – | – | – | – | 0.005 | |
| Stiff hindlimbs | – | – | – | – | – | – | – | – | – | 0.003 |
| Polydactyly on hindlimbs | – | – | 0.50 | 0.70 | – | 0.50 | – | 0.60 | 0.61a | 0.200 |
| Severe cases of the anomaly P | – | – | 0.20 | – | 0.30 | – | 0.30 | – | 0.21a | 0.047 |
| Normal tadpoles | 1.00 | 1.00 | 0.20 | 0.30 | – | 0.20 | – | – | 0.18a | 0.745 |
| Survival of tadpoles | 1.00 | 1.00 | 0.90 | 1.00 | 0.30 | 0.70 | 0.30 | 0.60 | 0.63 | – |
aValues calculated from a total of 38 surviving tadpoles; non-developed operculum found in a tadpole with heavy variant of the anomaly P