I. Dewiyanti, R. Ariani, A. Fahrezi, H. Farahisah, N. Fadli, T. Arlita
Mangrove ecosystem is one of tropical ecosystems that have important role for mitigating climate change through the ability of this vegetation to store carbon in AGB, BGB, and soil biomass. The study was conducted to estimate the carbon stock of Rhizophora mucronata as dominant mangrove vegetation in Gampong Pande, Kuta Raja District, Banda Aceh, Indonesia. This study carried out from April to July 2025. The aim of this research was to analyse the carbon storage in vegetation biomass, including tree, sapling, and seedling categories, as well as the soil organic carbon of R. mucronata mangrove ecosystems. The study employed a purposive sampling method across three stations representing different vegetation abundance such as sparse, moderate, and dense. Data collection was carried out non-destructively method using the quadrat transect, and biomass was estimated using specific allometric equations. Soil carbon was measured using the LOI method and bulk density analysis. The results showed that the highest biomass occurred at the dense vegetation station, with a total biomass of 78.5 tons/ha and carbon content of 36.895 tons/ha. Conversely, the highest soil carbon stock was recorded at the sparse vegetation station, reaching 69.3 tons/ha. These findings indicate that while vegetation biomass increases with higher density, soil organic carbon tends to accumulate more in areas with lower vegetation density. This study concludes that vegetation density affects the distribution of carbon stocks in both vegetation biomass and soil, and both parts must be considered together to obtain accurate carbon stock in mangrove ecosystems. © Published under licence by IOP Publishing Ltd.
Marine Science Department, Faculty of Marine and Fisheries, Universitas Syiah Kuala, Banda Aceh, Indonesia; Marine Biology Laboratory, Faculty of Marine and Fisheries, Universitas Syiah Kuala Banda Aceh, Indonesia; Master Study Program in Integrated Coastal Resources Management, Universitas Syiah Kuala, Indonesia; Forestry Department, Faculty of Agriculture, Universitas Syiah Kuala, Banda Aceh, Indonesia
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