ABSTRACT This research was conducted in February 2022,with aims to determine the type of mangrove, the amount of biomass, carbon stock, CO2 uptake in mangroves and the relationship between mangrove density with biomass, carbon stock, and CO2 uptake, and differences of carbon stock between AGB (Above Ground Biomass) and BGB (Below Ground Biomass). The method used in this research is a surv…