Biomass and carbon storage of Jor Bay mangrove forest in East Lombok

Mangrove has various types of environmental services, one of them is the absorption of carbon dioxide (CO2). The absorption of CO2 is utilized by mangroves in the process of photosynthesis which is then stored in the form of biomass. The aim of this paper was to evaluate the number of carbon storages based on the biomass content of each mangrove species. The study used a survey method on 6 observation stations and used a purposive sampling technique by considering the type and Diameter of Breast Height (DBH). Determination of biomass by non-destructive measurement, by measuring DBH (1.3m), then calculated by allometric equation and estimation of carbon storage based on 50% of the biomass content. The results showed that there were 6 mangrove species namely Sonneratia alba as the highest contributor of carbon storage in mangrove forest Jor Bay, followed by Avicennia marina, Rhizophora stylosa, Ceriops decandra, Rhizophora apiculata, and Rhizophora mucronata with carbon storage of 19.92 Mg ha−1, 2.33 Mg ha−1, 0.43 Mg ha−1, 0.14 Mg ha−1, 0.04 Mg ha−1, and 0.04 Mg ha−1, respectively. Generally, carbon storage in this region is relatively low, so that its management is expected to be increased to achieve maximum environmental services.