 Estimates are the mean + 95% confidence interval, where available  and range. Carbon stocks for mangroves include above- and below-ground storage up to 3 m depth . The estimates for salt-marsh and seagrass stocks are soil stocks up to 1 m depth . Date ranges for the burial rates are: 1989-2020, 1975-2020 and 1956-2016 for mangroves, salt marshes and seagrass meadows, respectively.
IPCC
Climate Change 2022: Impacts, Adaptation and Vulnerability
IPCC Report