Table 1. Physical characteristics of the five study sites.
Riparian vegetation type, average and SD (in parentheses) of width and depth of microhabitats, and proportion of different substrate types (gravel (<2.0 cm), pebble (2.0–6.4 cm), cobble (6.4–25.6 cm) and boulder (>25.6 cm)) of the five study sites.
| Site | Riparian vegetation type | Average width (cm) | Average depth (cm) | Percent of substrate | Past illegal trapping | |||
|---|---|---|---|---|---|---|---|---|
| Gravel | Pebble | Cobble | Boulder | |||||
| KF | Secondary forest | 153.6 (144.7) | 32.2 (45.0) | 4.8 (14.1) | 32.5 (32.8) | 18.2 (25.3) | 44.5 (73.6) | Absent |
| MS | Shrubland and secondary forest | 127.8 (113.7) | 25.5 (22.9) | 16.8 (17.2) | 23.0 (23.6) | 20.8 (20.0) | 34.1 (33.6) | Present |
| SH | Shrubland and secondary forest | 111.5 (44.9) | 16.7 (13.3) | 31.3 (36.0) | 46.3 (31.6) | 11.3 (22.3) | 11.3 (28.0) | Present |
| TO | Secondary forest | 100.6 (87.9) | 23.4 (16.5) | 17.6 (30.2) | 41.4 (36.8) | 20.5 (29.1) | 20.5 (29.7) | Present |
| TN | Secondary forest | 168.2 (78.1) | 30.3 (20.9) | 0.9 (4.2) | 45.2 (38.0) | 21.3 (19.1) | 32.6 (32.2) | Present |