CD Skripsi
Cadangan Karbon Pada Sedimen Di Ekosistem Mangrove Desa Pangkalan Jambi Kabupaten Bengkalis
This study was conducted to estimate carbon stock in sediments within the mangrove forest ecosystem in Pangkalan Jambi Village, Bengkalis Regency, Riau Province, which has significant potential as a natural carbon sink. The objectives of this study were to identify mangrove species, calculate vegetation density, measure sediment carbon content, and analyze the relationship between mangrove density and carbon stock stored in sediments. A survey method was employed with sediment sampling conducted at three stations characterized by varying levels of human activity and mangrove density. Laboratory analysis was performed using the Loss On Ignition (LOI) method to determine organic matter and carbon content. Results showed the presence of nine mangrove species with an average density of 2,611 individuals per hectare, dominated by Rhizophora mucronata. The average carbon stock in mangrove sediments was 43.25 tons/ha, with the highest carbon content observed in the station with the densest mangrove population. Regression analysis indicated a moderate positive relationship between mangrove density and carbon stock (r=0.528). Carbon stock comparisons across sediment depths (0–30 cm) revealed no significant differences (p > 0.05), with relatively uniform carbon content across layers. This study highlights the critical role of mangrove ecosystems in carbon sequestration and storage as part of climate change mitigation efforts.
Keywords: mangrove, carbon stock, sediment, Bengkalis
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