Table I.
Encounter rates of wild macaque lithic technology on line transects, Lobi Bay, Yao Noi Island, Thailand
| Stones (total) | Hammer-stones | Stones (unused) | Boulders available (total) | Anvils (used) | Unused boulders | Oil trees | |
|---|---|---|---|---|---|---|---|
| Total no. | 448 | 338 | 110 | 251 | 210 | 41 | 66 |
| Limestone | 350 | 252 | 98 | 238 | 197 | 41 | |
| Laterite | 85 | 73 | 12 | 12 | 12 | 0 | |
| Granite | 13 | 13 | 0 | 0 | 0 | 0 | |
| Wood | — | — | — | 1 | 1 | — | |
| Density (m2) | 0.140 | 0.105 | 0.034 | 0.078 | 0.065 | 0.013 | 0.004 |
| Measurements | Weight (g) | Weight (g) | Weight (g) | Horizontal area (cm2) | Horizontal area (cm2) | Horizontal area (cm2) | Distance anvil to tree (m) |
| Median | 206 | 217.5 | 195 | 357 | 390 | 120 | 5 |
| Range | 56–5000 | 59–5000 | 56–3500 | 21–17,600 | 30–17,600 | 21–1488 | 0.1–20 |
| 1st–3rd quartile | 136–415.5 | 136–411 | 133–422 | 162.5–828.5 | 208–964 | 56–304 | 0.1–7.75 |