| Location | TOC | SOC | Depth (cm) | Reference |
| Red Sea coast, Kingdom of Saudi Arabia | 16.1 | 9.2 | 50 | |
| Red Sea coast, Egypt | 15.7 | 8.6 | 40 | |
| Arabian Gulf, United Arab Emirates | 10.2 - 15.6 | 100 | | |
| North east Coast, Qatar | 5.0 | 100 | | |
| Jask area, Iran |
| 6.0 | 42 | |
| Al-Qurm nature reserve, Oman Sea coast, Sultanate of Oman | 3.5 | 0.95 | 30 | This study |