Carbon Stock Analysis in Mangrove Vegetation on Dompak Island, Riau Islands

Abstract

Mangroves play an important role in providing protection for coastal areas and mitigating climate change simultaneously. The mangrove ecosystem is potentially a carbon sink but can also be a significant source of carbon emissions if wrongly managed. Degradation of the mangrove ecosystem occurs globally, including on Dompak Island, Indonesia. This research aimed to determine carbon stock in above-ground and belowground biomass of mangroves on Dompak Island to estimate the carbon loss due to degradation reported. The result shows that carbon stock in mangrove vegetation on Dompak Island ranges from 21.11-82.03 tons C/ha. The degradation of the mangrove ecosystem on Dompak Island was estimated to have caused 983.94-3,823.2 ton/ha carbon loss between 2007-2018. Based on one-way ANOVA analysis, above-ground organic carbon stocks and underground organic carbon stocks between stations were found to be significantly different (p < 0.05).

Mangrove Density Mapping from Landsat 8/9 OLI Imagery in Dompak Island, Indonesia: A Study from 2017 to 2022

“…As much as 27.6% of all mangrove vegetation in Tanjungpinang City is on Dompak Island [11]. This area experiencing massive urban development by the local government, which has resulted in large-scale felling of forests, which are then converted into office areas and housing, as well as the construction of infrastructure and roads, as well as other infrastructure [12,13]. A decline in its forest area can affect the species and its ecosystem condition.…”

“…Many studies on mangroves on Dompak Island have been carried out previously, such as the composition of mangrove species and density [10,16], mangrove carbon stock in sediment [12], object-based mangrove land cover change (OBIA) studies [13], and the level of mangrove damage [17]. However, there is no data on the latest spatial analysis of mangrove density using open-source satellite imagery such as Landsat 8 imagery.…”