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Ariz Umar Ramadhan
Universitas Syiah Kuala
Agriculture, Biological Sciences & Forestry Earth & Planetary Sciences

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Estimation of Blue Carbon Ecosystem Potential in The Mangrove Forest Tourism Area of Langsa Protected Zone Lola Adres Yanti; Astri Winda Siregar; Mona Fhitri Srena; Fikrinda; Ariz Umar Ramadhan; Afrizal Murdi; Febrian Supriadi Laba Pardamean Berutu; Mizan Jrohna; Ilham Hanafi; Aang Kunaifi; Dedy Fitriandi
Journal of Sylva Indonesiana Vol. 9 No. 01 (2026): Journal of Sylva Indonesiana
Publisher : Talenta Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32734/jsi.v9i01.23828

Abstract

Mangrove forests are vital coastal ecosystems that sequester large amounts of carbon, helping mitigate climate change. Indonesia has the world’s largest mangrove area, including the Langsa Protected Mangrove Forest in Aceh, which holds high biodiversity and significant blue carbon potential. The Mangrove Forest Tourism Area in Langsa is one of the largest in Southeast Asia; therefore, estimating its carbon potential is essential to support Indonesia’s commitments to the Paris Agreement and carbon trading initiatives. This study aims to (1) identify tree species diversity in mangrove, and (2) estimate aboveground biomass, carbon stock, and carbon sequestration in the Langsa Mangrove Forest Tourism Area. A purposive sampling method was used for the initial plot, followed by systematic sampling. From 369.01 hectares of mangrove area, 19 plots were established with sizes of 10 m × 10 m for trees, 5 m × 5 m for saplings, and 2 m x 2 m for seedlings. Carbon stock estimation employed species-specific allometric equations. Out of 293 individual trees, four tree species, namely Rhizophora mucronata, Rhizophora apiculata, Bruguiera gymnorrhiza, and Ceriops tagal, were identified, with most ranging within 3.18–4.61 cm diameter classes. The highest aboveground biomass, carbon stock, and carbon sequestration were found in plot 19, at 27.66 ±13.18 tons/ha), 13.00 ±6.20 tons C/ha), and 47.67 ±22.71 tons CO₂/ha), respectively. These findings highlight the substantial blue carbon potential of the Langsa Mangrove Forest in a protected area, emphasizing its importance in regional conservation strategies.
Quantification of Soil Organic Carbon Stocks in the Mangrove Forest of Telaga Tujuh Island, Langsa, Aceh Ashabul Anhar; Lola Adres Yanti; Ilham Hidayat; Ali Makmur; Arif Habibal Umam; Ilham Hanafi; Ariz Umar Ramadhan
Journal of Sylva Indonesiana Vol. 9 No. 02 (2026): Journal of Sylva Indonesiana
Publisher : Talenta Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32734/jsi.v9i02.23483

Abstract

Mangrove ecosystems are considered highly effective carbon sinks because of their substantial capacity to caputure and store carbon, especially in the form of soil organic carbon. This study aims to quantify the soil organic carbon stock in the mangrove forest of Telaga Tujuh Island, Langsa, using purposive sampling with eight circular plots of 400 m² each. Results showed that the diameter class distribution was dominated by the 10-20cm with 158 individuals. The tree density in this place was 796.88 ind. ha-1. The highest soil organic carbon stock was recorded in Plot 8, with a value of 811.24 Mg C ha-1. The mean of soil organic carbon stock was 635.28 ± 110.46 Mg C ha-1. Overall, the total soil organic carbon stock of Telaga Tujuh Island was estimated at 22,234.86 ± 3,866.20 Mg C ha-1. These results highlight the significant role of Telaga Tujuh mangroves as a carbon sink and their contribution to national carbon emission mitigation strategies.
Co-Authors Aang Kunaifi Afrizal Murdi Ali Makmur Arif Habibal Umam Ashabul Anhar Astri Winda Siregar Dedy Fitriandi Febrian Supriadi Laba Pardamean Berutu Fikrinda Ilham Hanafi Ilham Hidayat Lola Adres Yanti Mizan Jrohna Mona Fhitri Srena