<![CDATA[Abstract. Hilyana S, Rahman FA. 2022. Variabilities of the carbon storage of mangroves in Gili Meno Lake, North Lombok District, Indonesia. Biodiversitas 23: 5862-5868. Mangrove is one of the coastal vegetation that can act as carbon mitigation (carbon sink and carbon storage). This study aims to determine the potential for carbon sinks and storage in the leaves and roots of each type of mangrove found in Gili Meno lake, North Lombok, Indonesia. The research includes the identification of species and sampling (leaves and roots) of mangroves in the research quadrant. The organic carbon content of mangrove leaves and roots was tested using the Wakley and Black method. The results showed that there were 5 (five) types of mangroves in Gili Meno lake, namely: Avicennia marina, Lumnitzera racemosa, Bruguiera cylindrica, Rhizophora apiculata, and Excoecaria agallocha. The highest leaf tissue carbon content value was R. apiculata at 45.85%C or equivalent to 3.19 g.C, while in roots, A. marina was 50.06%C, equivalent to 4.49 g.C. In addition, the potential carbon stock in the leaves of the entire mangrove ecosystem in an area of 3 ha is 762.81 tons.C±199.257 and at the roots is 659.76 tons.C±394.848, while the largest potential carbon stock in leaf organs is the type of mangrove R. apiculata, which is 318.91 tons.C.ha-1. and at the root is the type of mangrove A. marina, amounting to 448.54 tons.C.ha-1. The estimated carbon dioxide uptake by the Gili Meno mangrove leaves is in the range of 130.36 g.CO2-168.27 g.CO2 or with an average of 154.34 g.CO2±14.376, while the species with the highest carbon dioxide absorption capacity is R. apiculata (268.27 g.CO2) and the lowest in the species of L. racemosa (130.36 g.CO2).]]>
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