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All Journal MANAJEMEN HUTAN TROPIKA Journal of Tropical Forest Management Jurnal Ilmu Lingkungan Martabe : Jurnal Pengabdian Kepada Masyarakat Menara Ilmu Jurnal Silva Tropika Journal of Forest Science Avicennia Journal of Global Sustainable Agriculture Sylva: Jurnal Ilmu-ilmu Kehutanan SRIWIJAYA JOURNAL OF ENVIRONMENT JURNAL HUTAN TROPIS Jurnal Celebica : Jurnal Kehutanan Indonesia Biodiversitas Journal of Biological Diversity
Milantara, Noril
Fakultas Kehutanan Universitas Muhammadiyah Sumatera Barat
Agriculture, Biological Sciences & Forestry Arts Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Computer Science & IT Earth & Planetary Sciences Economics, Econometrics & Finance Education Energy Environmental Science Public Health Social Sciences

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Dynamics of vegetation diversity and arbuscular mycorrhizal fungi in post-coal mining revegetation land in Sawahlunto, West Sumatra, Indonesia WELLY HERMAN; ISKANDAR ISKANDAR; SRI WILARSO BUDI; HERU BAGUS PULUNGGONO; NORIL MILANTARA
Biodiversitas Journal of Biological Diversity Vol. 25 No. 12 (2024)
Publisher : Society for Indonesian Biodiversity

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/biodiv/d251201

Abstract

Abstract. Herman W, Iskandar, Budi SW, Pulunggono HB, Kurniati, Milantara N. 2024. Dynamics of vegetation diversity and arbuscular mycorrhizal fungi in post-coal mining revegetation land in Sawahlunto, West Sumatra, Indonesia. Biodiversitas 25: 4627-4641. Post-coal mining causes significant changes in vegetation, soil, and landscape, necessitating reclamation to increase land area through revegetation activities as per government policy. Revegetation is expected to accelerate the recovery of ecosystem functions and reduce the impact of coal mining activities. Therefore, this study aims to analyze the dynamics of vegetation diversity and Arbuscular Mycorrhizal Fungi (AMF) on post-coal mining revegetation land in Sawahlunto, West Sumatra, Indonesia. Vegetation samples were obtained using the purposive sampling method, and AMF analysis was carried out using the wet-sieving decanting method. The results showed an increase in vegetation diversity along with the increasing age of the revegetation plants. The highest control of plant species was Acacia mangium with INP values ??ranging from 100-300%. Vegetation diversity and vegetation dominance index were positively correlated with spore density with correlation coefficient values ??of 0.083 and 0.029. However, the relationship between diversity and vegetation dominance index in influencing spore density had a small effect; the highest spore density was found in revegetation in 2006, with a total of 555 spores per 25 g of soil-1. It can be concluded that natural succession land materials and revegetation in post-coal mining land up to 32 years of age can improve vegetation growth but still cannot match natural forests, both in terms of the number of species growing and the level of vegetation diversity achieved. However, it is important to note that this study has limitations, such as the focus on a specific region and the need for further research to understand the long-term effects of revegetation.
Accelerated invasion of Nypa fruticans during 2000-2024 in degraded mangrove ecosystem in Sumatra analysed using Google Earth Engine SYAIFUL EDDY; ANDI ARIF SETIAWAN; NORIL MILANTARA; RAHMAWATI RAHMAWATI; AZIZAN BILLARDI; AHMAD SUNDOKO
Biodiversitas Journal of Biological Diversity Vol. 27 No. 1 (2026)
Publisher : Society for Indonesian Biodiversity

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/biodiv/d270110

Abstract

Abstract. Eddy S, Setiawan AA, Milantara N, Rahmawati, Billardi A, Sundoko A. 2026. Accelerated invasion of Nypa fruticans during 2000-2024 in degraded mangrove ecosystem in Sumatra analysed using Google Earth Engine. Biodiversitas 27 (1): d270110. https://doi.org/10.13057/biodiv/d270110. This study analyzes the invasion patterns of nipah (Nypa fruticans) and their implications for the degradation of the Air Telang Protected Forest (ATPF) ecosystem from 2000 to 2024. Using a unique methodological combination of large-scale, time-series analysis from Google Earth Engine (GEE) with high-resolution drone-based validation, we mapped land cover changes and quantified nipah expansion under intensifying anthropogenic pressures. Land cover classification from 2000, 2012, and 2024 revealed a sharp decline in native primary and secondary mangrove forests, concurrent with rapid increases in nipah-dominated areas, open lands, and plantations. This methodology allowed for a more comprehensive tracking and understanding of the invasion dynamics throughout the 2000-2024 timeframe. The Maximum Entropy algorithm was utilized to model the species' potential spread based on key environmental variables, including soil type, Normalized Difference Vegetation Index, elevation, slope, temperature, and rainfall. The results show a significant decline in native mangrove cover, directly corresponding to an increase in nipah colonies and open areas, driven by anthropogenic activities such as illegal logging and land clearing. Between 2000 and 2024, the total area of primary and secondary mangroves decreased significantly, while the invasive nipah population experienced a nearly fivefold increase. Specifically, measurements show the loss of primary mangrove forest exceeded 50% during this period. This expansion was particularly dramatic during the 2012-2024 period, marking an acceleration of the invasion. These ecological transformations not only threaten biodiversity but also substantially diminish the forest’s carbon sequestration capacity, undermining regional climate mitigation efforts. Integrated management-combining policy enforcement, restoration of native mangroves, and community-based control of nipah-is urgently needed to restore ecological function and prevent further ecosystem collapse, which provides an urgent warning for conservation policy.
Co-Authors AHMAD SUNDOKO Amir, Yusnaweti ANDI ARIF SETIAWAN ANDI ARIF SETIAWAN ANDI ARIF SETIAWAN Anggraeni, Sovia Astri Popita Asvic Helida AZIZAN BILLARDI Bambang Sulistyantara BUDI UTOMO Delfy Lensari DEWI ROSANTI DIAN MUTIARA Dwi Putro Priadi Efrizoni, Efrizoni Fadilah, Daniel Fakhruzy Fakhruzy Fakhruzy, Fakhruzy Faris Rafi Almay Widagdo Fauzan . Fauzan Fauzan Firman Hidayat Firman Hidayat Gustin, Mutia Elisa Hayati, Risda Hengki Sumantri Heni Pujiastuti Henri Yuwono Heripan, Heripan Heripan, Heripan Hernawati Hernawati Hernawati Hernawati Hernawati Hernawati HERU BAGUS PULUNGGONO Hoirun, Hoirun Indra Sundara Alhusna ISKANDAR ISKANDAR James Thomas Erbaugh Jerry Mauri Jun Harbi Lensari, Delfy Lensari, S.Hut, M.Si, Delfy Leonardo, Viccy Lulu Yuningsih Luthfiani, Puti MAHARANI OKTAVIA MIRNA TAUFIK MIRNA TAUFIK Mohammad Basyuni Muhammad Abdul Latif Al-Ansori Munandar, Aris Mutia Elisa Gustin Neni Marlina Ninin Asriani Oktavianti, Tessa Popita, Astri Purnawati, Yuliesi RAHMAWATI RAHMAWATI RAHMAWATI RAHMAWATI RAMA GIVATI RAHMAN Rasyid Rasyid Ridhah Taqwa Ridhah Taqwa, Ridhah Risda Hayati Romi Romantik ROSWITHA YEMIMA TIUR MEDISWATI SHAREN ANALIA DWINA PUTRI Sitti Kurnia Apriliani Sovia Anggraini SRI WILARSO BUDI Subrata, Eko Suharyadi Suharyadi Supriyanto Suryani Suryani Suryani Suryani Susilastri Susilastri Syafa'atinnisa Syafa'atinnisa SYAIFUL EDDY SYAIFUL EDDY SYAIFUL EDDY SYAIFUL EDDY Syaiful Eddy Teguh Haria Aditia Putra Teguh Haria Aditia Putra WELLY HERMAN Yukun Cao Yuliesi Purnawati Yumarni Yumarni Yumarni, Yumarni Yusnaweti Amir