Abstract. Nur AAI, Arifiani KN, Ramadhandi AR, Sabrina AD, Nugroho GD, Kusumaningrum L, Ramdhun D, Bao TQ, Yap CK, Budiharta S, Setyawan AD. 2022. Estimation of aboveground biomass and carbon stock in Damas Beach, Trenggalek District, East Java, Indonesia. Indo Pac J Ocean Life 6: 103-109. Vegetation plays a vital role in providing environmental services in the form of storing carbon which can mitigate climate change. This study aimed to calculate Aboveground Biomass (AGB) and carbon stock in Damas Beach, Trenggalek District, East Java Province, Indonesia using an allometric equation. Biomass and carbon data at a tree (dbh >20 cm) and pole (dbh 10-20 cm) levels were collected using sampling plots distributed randomly at three stations, namely mangrove vegetation (Station I), coconut plantation (Station II), and agroforestry (Station III). The results showed that across the three research stations, there were a total of 23 plant species classified as tree and pole levels. At tree level, Rhizophora stylosa Griffith had the highest carbon stock with a value of 85.48 MgC/ha, while the lowest value was Nypa fruticans Wurmb with 0.02 MgC/ha. Similarly, at the pole level, the species with the highest carbon stock was R. stylosa, with a value of 65.88 MgC/ha, and the lowest was Theobroma cacao L. with 0.11 MgC/ha. The mangrove vegetation (Station I) had the highest carbon stock value of 200.53 MgC/ha. In contrast, the coconut plantation vegetation (Station II) has the lowest total carbon stock, with a value of 84.68 MgC/ha. Conservation and management need to be improved in the Damas Beach area because if the area is disturbed, the ability of vegetation to absorb carbon will decrease.
Abstract. Sabrina AD, Ramadhandi AR, Nur AAI, Liza N, Sutarno, Yap CK, Indrawan M, Setyawan AD. 2022. Sustainability level of mangrove forest management based on RAP-MForest approach in Pancer Cengkrong, Trenggalek District, Indonesia. Intl J Bonorowo Wetlands 12: 82-88. Mangrove forest area is a coastal resource that benefits the community's welfare. Protection and preservation of the mangrove ecosystem need to be carried out by taking into account various aspects to achieve sustainability. This study aims to analyze the level of sustainability of mangrove forest management and the contributing factors in the Pancer Cengkrong Mangrove Forest area in Karanggandu Village, Trenggalek District, East Java, Indonesia. This research was conducted in June 2022 through field interviews and literature studies. Three dimensions (ecological, economic, and social) were selected, along with their attributes. Each attribute was scored to indicate the status of sustainability. Then, the data obtained were processed by Multi-Dimensional Scaling (MDS) analysis using the Rapid Appraisal for Mangrove Forest (RAP-MForest) method. Furthermore, leverage analysis determines the sensitive attributes in each dimension. The results depicted that management in Pancer Cengkrong Mangrove Forest is less sustainable in the economic dimension and fairly sustainable in the two remaining dimensions. The social dimension achieved the highest sustainability index value at 72.92. Furthermore, knowledge of the sustainability index and sensitive factors can help provide recommendations for management in the Pancer Cengkrong mangrove area to achieve a sustainable level. In this case, the economic dimension should be more concerned with promoting environmentally sustainable development.
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