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1st Int. Transborder Conf. of the Timor Island: Timor %u2013 Science without borderDili, 7-8 May 2025108Analysis of Community Structure And Carbon Potential of Mangrove Forests In Manuwolu Village, Mamboro Sub-district, Central Sumba District, IndonesiaAris N. Senjata, Chaterina A. Paulus, Alfred O. M. Dima*.Postgraduate Program, Universitas Nusa Cendana,Jl. Adisucipto, Kupang, NTT 85001, Indonesia*Coresponding author : dimaonny@gmail.comAbstractMangrove forests are vital ecosystems that provide numerous functions and benefits for both humans and other living organisms. These forests are typically composed of tree species capable of thriving in tidal, muddy coastal areas. This study aimed at assessingthe structure of the mangrove forest community and evaluating its carbon potential in Manuwolu Village, Mamboro Sub-district, Central Sumba District, East Nusa Tenggara Province. The research was conducted from July 26 to August 26, 2023, along a 250-meter observation transect consisting of five plots. The plot sizes were designated as follows: 2 %u00d7 2 meters for seedlings, 5 %u00d7 5 meters for saplings, and 10 %u00d7 10 meters for mature trees. The mangrove forest community in Manuwolu Village comprises six species: Acanthus ebracteatus, Avicennia alba, Rhizophora apiculata, Rhizophora mucronata, and Sonneratia alba. The Importance Value Index (IVI) averaged 60%, indicating a low structural category. The diversity index (1.18) falls within the moderate diversity category, while the dominance index (0.40) suggests medium dominance within the forest structure. The estimated carbon potential was 52.17 tons C/ha, with carbon storage measured at 24.52 tons C/ha and carbon uptake at 88.99 tons C/ha. Given the ecological significance of mangrove ecosystems, it is essential to recognize their role in supporting local livelihoods and biodiversity. Therefore, active participation from both the local community and the government is crucial in promoting the sustainable management and conservation of mangrove forests in Manuwolu Village and surrounding areas.Keywords: mangrove Manuwolu, community structure and carbon potential.