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All Journal Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Indonesian Journal of Geography Buletin Peternakan Jurnal Ilmu Pertanian Journal of Tropical Soils Pembangunan Pedesaan Journal of Degraded and Mining Lands Management Jurnal Tanah dan Air Planta Tropika Jurnal Zeolit Indonesia Agrin : Jurnal Penelitian Pertanian Martabe : Jurnal Pengabdian Kepada Masyarakat jurnal Ilmu Pertanian (Agricultural Science) JURNAL ILMIAH AGRINECA Molekul: Jurnal Ilmiah Kimia
Eko Hanudin
Jurusan Ilmu Tanah, Fakultas Pertanian, Universitas Gadjah Mada, Jl. Flora, Bulaksumur, Depok, Sleman, Yogyakarta 55281, Indonesia, Telp./fax.: (0274) 563062
Aerospace Engineering Agriculture, Biological Sciences & Forestry Arts Humanities Biochemistry, Genetics & Molecular Biology Chemistry Civil Engineering, Building, Construction & Architecture Earth & Planetary Sciences Economics, Econometrics & Finance Education Environmental Science Materials Science & Nanotechnology Social Sciences Veterinary Other

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Heavy metal contamination and ecological risk in post-coal mining soils: A geostatistical approach Suhardianto, Sigit; Hanudin, Eko; Nugroho, Andhika Puspito
Journal of Degraded and Mining Lands Management Vol. 13 No. 3 (2026)
Publisher : Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15243/jdmlm.2026.133.10451

Abstract

Open-pit coal mining significantly alters soil geochemistry through heavy metal accumulation, threatening ecosystem health and post-mining rehabilitation. This study assessed spatial distribution, pollution levels, and ecological risks of Pb, Cd, Ni, and Cr in post-mining soils of Bungo Regency, Jambi, Indonesia. Sixty-one topsoil samples (0-20 cm) were analyzed using Atomic Absorption Spectrophotometry (AAS). Data analysis included descriptive statistics, Pearson correlation, Principal Component Analysis (PCA), and Ordinary Kriging interpolation (ArcGIS 10.8). Pollution and ecological risks were evaluated using the contamination factor (Cf) and the Potential Ecological Risk Index (RI). Pb and Ni showed high spatial variability, indicating strong anthropogenic influence. A moderate correlation between Cr and Ni (r = 0.37) suggests shared geogenic sources, while Pb exhibited weak correlations, confirming distinct anthropogenic origins. PCA explained 85.8% of total variance, identifying three components: PC1 (Cr–Ni, geogenic), PC2 (Pb, mining-related contamination), and PC3 (Cd–Ni, mixed sources). Cf values indicated moderate to high contamination (Cf>3) for Ni and Pb at several sites. Most areas exhibited high ecological risk (RI>300), particularly in former excavation and waste disposal zones. This integrated geostatistical approach effectively delineates contamination patterns and supports targeted remediation strategies in tropical post-mining landscapes.
Co-Authors , Tamad Achmad Fatchul Aziez Airlangga, Tandaditya Ariefandra Andhika Puspito Nugroho Angga Ade Sahfitra ARIFIN FAHMI Bambang Hendro Sunarminto Bambang Hendro Sunarminto Bambang Hendro sunarminto Bambang Triyatmo Benito Heru Purwanto Bostang Radjagukguk Cahyo Wulandari Dewi Ratna Nurhayati Didik Indradewa Eka Tarwaca Susila Putra Endang Dwi Purbajanti Endang Sulistyaningsih Fajarini, Permata Harty Noor Fibrianty, Fibrianty JAKA WIDADA Jauhari Syamsiyah Johan, Erni Kartikawati, Retno Kartikawati, Rina Kurniasih, Budiastuti Lis Noer Aini, Lis Noer Mahyudi Mahyudi, Mahyudi Matsue, Naoto Ma’as, Azwar Muhammad Rif’an Mulyono Mulyono Mulyono, Mulyono Nasrudin Nasrudin Noer Aini, Lis Prapto Yudhono Prapto Yudono Prasetiyanto, Lukas Priyo Priyono Suryanto Puji Dyah Anggraini, Meika Kurnia Putri Ratnasari R. Djoko Sutrisno Rajiman Rajiman Riyadi, Aldy Slamet Sari Widya Utami Sri Nuryani Hidayah Utami Subur Priyono Sasmito Budhi Suhardianto, Sigit Supriyanto Notohadisuwarno Susanto, Simbar Sulanjari Taryono, Taryono Tohari Tohari Wiratama, Ristiya Adi Y. Prapto, Y.