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Authors : Dewi Wahyuni K. Baderan, Sukirman Rahim, Syam S. Kumadji.

Volume/Issue :-
 Volume 3 Issue 12

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The method to be used is the stripped method and the combination method and exploration method. To measure the structure of mangrove vegetation by calculating the Relative Density (KR), Relative Frequency (FR), and Relative Dominance (DR), then the data obtained is tabulated to obtain INP. The diversity index (diversity) were analyzed using the Shannon Wien formula n er every strata of mangrove growth. The estimation of carbon stock on the surface (stem) uses a non-destructive sampling method. The results of this study found that for the vegetation structure 10 species of mangrove were obtained, namely Rhizophora mucronata Lamk., Rhizophora apiculata Bl., Rhizophora stylosa Griff., Ceriops decandra (Griff.) Ding Hou, Ceriops tagal (Perr.) CBRob, Brugueira gymnorrhiza (L.) Lamk, Sonneratia alba JE Smith, Xylocarpus granatum Koen, Avi cennia alba Bl. , Avi cennia marina (Forsk) Vierh. The diversity index value at the study site showed a high level of diversity. This is evidenced by the value obtained at 2,287 ie on the H 1 value criteria > 1,5 – 3.0 . The total biomass of all mangrove species was 297,765.93 Kg. The total value of carbon k in the Tutuwoto mangrove forest was 247,845.54 Kg, and carbon dioxide uptake reached 909,557. The findings of this study are used as data in the management of mangrove forests Anggrek District, North Gorontalo Regency and can be used as data in the development of REDD (Reduced Emissions from Deforestation and Degradation) programs so that efforts to conserve mangrove can be increased.
Keywords :- INP, Mangrove, Diversity, Carbon.