| Mangrove sites | Aboveground biomass (t・ha−1) | Carbon stock | |
| (t・ha−1) | total site (t) | ||
| Rigny (2071 ha) | >70 | >35 | >72,485 |
| Mananara Nord (100 ha) | >45 | >22.5 | >2250 |
| Manompana (98 ha) | >40 | >20 | >1960 |
| Sainte Marie (173 ha) | >46 | >23 | >3979 |
| Tampolo (<0.5 ha) | <10 | <5 | <2.5 |
| Foulpointe (<2 ha) | <20 | <10 | <20 |
| Total mangroves of the East of Madagascar (4260 ha) | 10 - 40 | 5 - 20 | 21,300 - 85,200 |