Table 6.
Measurement data (mean ± SD) taken from dugong skulls (cranium and mandible) and scapulas from two habitats (the Andaman Sea and the Gulf of Thailand).
| Cranium | Mandible | Scapula | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Acronym | Andaman | Gulf of Thai | p-value | Acronym | Andaman | Gulf of Thai | p-value | Acronym | Andaman | Gulf of Thai | p-value |
| BBC | 6.50 ± 0.90 | 6.11 ± 0.93 | 0.29 | BL | 14.75 ± 1.89 | 14.20 ± 2.05 | 0.52 | SL | 22.8 ± 3.95 | 22.32 ± 2.45 | 0.29 |
| BW | 16.66 ± 0.90 | 15.32 ± 0.54 | 0.02 | BML | 20.81 ± 2.45 | 20.12 ± 2.34 | 0.52 | SW | 11.54 ± 1.95 | 10.69 ± 1.64 | 0.21 |
| CaPMH | 6.96 ± 1.39 | 6.51 ± 1.09 | 0.32 | BMW | 6.40 ± 0.89 | 6.10 ± 0.86 | 0.24 | SN | 3.81 ± 0.65 | 3.40 ± 0.46 | 0.05 |
| CBL | 32.79 ± 3.34 | 31.25 ± 3.34 | 0.3 | CH | 14.03 ± 1.78 | 13.38 ± 1.55 | 0.27 | SNW | 10.82 ± 1.53 | 10.77 ± 1.42 | 0.82 |
| CRL | 15.81 ± 1.96 | 14.95 ± 1.89 | 0.3 | CL | 1.81 ± 0.28 | 2.01 ± 0.11 | 0.04 | CaSBW | 6.57 ± 1.75 | 7.77 ± 5.82 | 0.57 |
| CrPMH | 4.73 ± 0.73 | 4.45 ± 0.66 | 0.51 | CW | 1.94 ± 0.37 | 1.65 ± 0.21 | 0.03 | SGH | 2.97 ± 0.95 | 3.19 ± 0.41 | 0.88 |
| CrNL | 1.88 ± 0.55 | 1.44 ± 0.23 | 0.05 | DPL | 8.29 ± 1.34 | 8.20 ± 1.34 | 0.69 | GCL | 4.03 ± 1.00 | 4.00 ± 0.58 | 0.51 |
| CRW | 19.37 ± 2.33 | 18.26 ± 1.46 | 0.22 | MA1# | 113.49 ± 4.77 | 114.17 ± 4.75 | 0.56 | GCW | 3.40 ± 0.71 | 3.21 ± 0.42 | 0.26 |
| FMH | 4.10 ± 0.45 | 3.99 ± 0.45 | 0.85 | MA2# | 112.49 ± 6.68 | 115.33 ± 4.68 | 0.24 | SA1 | 67.31 ± 8.22 | 63.9 ± 7.34 | 0.16 |
| FMW | 4.04 ± 0.22 | 4.17 ± 0.27 | 0.32 | MA3# | 123.11 ± 5.10 | 122.33 ± 6.50 | 0.87 | SA2 | 151.39 ± 11.14 | 162.50 ± 8.66 | 0.07 |
| FW | 14.91 ± 1.84 | 13.74± 1.52 | 0.1 | MA4# | 54.43 ± 8.54 | 54.00 ± 4.90 | 0.78 | ||||
| IH | 2.50 ± 0.30 | 2.40 ± 0.25 | 0.44 | MAW | 15.96 ± 1.94 | 15.86 ± 2.14 | 0.82 | ||||
| IW | 3.17 ± 0.45 | 3.29 ± 0.34 | 0.51 | MFH | 1.36 ± 0.25 | 1.19 ± 0.20 | 0.14 | ||||
| MPW | 12.02 ± 1.58 | 10.97 ± 1.15 | 0.09 | MFL | 8.13 ± 0.95 | 7.69 ± 1.09 | 0.23 | ||||
| NCL | 10.02 ± 2.35 | 9.66 ± 1.16 | 0.8 | MH | 14.87 ± 1.79 | 14.25 ± 1.78 | 0.42 | ||||
| NCW | 6.84 ± 0.64 | 6.32 ± 0.36 | 0.04 | MIML | 9.17 ± 1.12 | 8.36 ± 0.96 | 0.07 | ||||
| PA# | 110.82 ± 4.61 | 110.83 ± 2.04 | 0.87 | ML | 23.65 ± 2.84 | 23.38 ± 2.29 | 0.97 | ||||
| PAW | 7.44 ± 0.98 | 7.78 ± 1.32 | 0.56 | MNW | 5.27 ± 0.82 | 4.77 ± 0.53 | 0.13 | ||||
| PH | 7.43 ± 1.16 | 6.50 ± 0.85 | 0.06 | MSL | 10.66 ± 1.75 | 10.14 ± 1.81 | 0.42 | ||||
| PL | 15.37 ± 1.75 | 15.19 ± 1.86 | 0.88 | MSW | 5.56 ± 1.08 | 5.22 ± 0.96 | 0.4 | ||||
| PW | 4.94 ± 1.07 | 4.86 ± 0.92 | 0.95 | MW | 15.93 ± 1.79 | 15.32 ± 1.16 | 0.45 | ||||
| ZAL | 16.54 ± 1.81 | 14.89 ± 1.63 | 0.04 | MWM1 | 1.94 ± 0.46 | 1.76 ± 0.23 | 0.28 | ||||
| ZL | 8.31 ± 1.38 | 8.20 ± 0.91 | 0.78 | RW | 6.75 ± 0.85 | 6.33 ± 0.54 | 0.23 | ||||
| ZPW | 2.97 ± 0.34 | 2.89 ± 0.36 | 0.54 | ||||||||
| ZW | 2.19 ± 0.33 | 2.20 ± 0.45 | 0.72 | ||||||||
All parameters are in cm, except superscript #indicates units in degrees.