Ashabul Anhar, Durrah Hayati, Ali M. Muslih, Astri Winda Siregar, Maryam Jamilah, Akhmad Baihaqi, Murna Muzaifa, Yusya Abubakar, A. Hanan
Tropical agroforestry systems can mitigate climate change through carbon storage while supporting biodiversity and improving livelihoods. This study evaluates the potential of coffee agroforestry systems in the Gayo Highlands, Indonesia, to achieve carbon storage levels comparable to secondary and primary forests. Vegetation data are collected across three locations, covering coffee agroforestry, secondary forest, and primary forest. We found that primary forests had the highest carbon stocks, with 223.53 tC ha−1 in Location 1, 194.68 tC ha−1 in Location 2, and 542.55 tC ha−1 in Location 3. Coffee agroforestry in Location 1 had carbon stocks comparable to secondary forest, while in Location 3, it showed the lowest carbon stock (6.26 tC ha−1). Higher carbon stocks were linked to greater tree species richness, larger DBH, and higher basal areas. Additionally, we observed a positive relationship between tree basal area and aboveground carbon stock, confirming that forests with higher basal area values exhibit greater carbon storage capacity. The findings underscore the critical role of mature trees in carbon storage and highlight the value of preserving mature forest species in coffee agroforestry systems. Copyright © 2025 Anhar, Hayati, Muslih, Siregar, Jamilah, Baihaqi, Muzaifa, Abubakar and Hanan.
Department of Forestry, Faculty of Agriculture, Universitas Syiah Kuala, Banda Aceh, Indonesia; Research Center for Forestry and Ecosystem, Universitas Syiah Kuala, Banda Aceh, Indonesia; Department of Agribusiness, Faculty of Agriculture, Universitas Syiah Kuala, Banda Aceh, Indonesia; Center for Sustainable Agricultural and Rural Development, Universitas Syiah Kuala, Banda Aceh, Indonesia; Department of Post Harvest Technology, Faculty of Agriculture, Universitas Syiah Kuala, Banda Aceh, Indonesia; Aceh Environment and Forestry Agency, Banda Aceh, Indonesia
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