M.A. Asadi, D. Yona, S.E. Saputro
Mangroves provide numerous ecosystem services, including fisheries production, nutrient cycling, soil formation and carbon storage. However, the forests and their habitat have degraded rapidly due to anthropogenic threats. Consequently, the loss of carbon (C) stored in these ecosystem is inevitable. The purpose of this study was to evaluate the species diversity of mangrove forest of Labuhan, Lamongan regency, Indonesia and evaluate its above-ground and below-ground-root biomass and C. Twenty-four plots with a size of 10x10 m were carried out using the quadrat sampling technique to identify, record and measure the DBH of the trees. The Shannon - Wiener's diversity index (H'=1.51) was moderate, having a total of nine true mangrove forests dominated by Rhizophora mucronata and Rhizophora apiculata with an importance value index of 100.40% and 80.46% respectively. The total C stored in above-ground and below-ground-root was 74.70 ± 15.58 Mg C ha-1, which is equivalent to total CO2 sequestration of 274.15 ± 57.18 Mg CO2 ha-1. This study suggests that the Labuhan mangrove forest has a potential to store and sequester a substantial amount of atmospheric C; therefore, it is needed to protect and sustainably manage this important forest. © Published under licence by IOP Publishing Ltd.
Marine Science Department, Brawijaya University, Malang, Indonesia; CoReACT, Brawijaya University, Malang, Indonesia; MEXMA, Brawijaya University, Malang, Indonesia
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