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• W4386804918 abstract "Sirtu mining activities in Trosono Village, Parang District, Magetan Regency have the potential to cause environmental damage. This can be assessed based on three aspects of assessing the damage to ex-mining C areas according to East Java Governor Regulation No. 62 of 2010. The aspects reviewed are topography, soil conditions, and vegetation on ex-mining C. Efforts to improve environmental conditions need to be carried out immediately after mining activities end to prevent hazards and disasters due to environmental damage. This study aims to assess the land damage caused by mining activities in the village of Trosono, Parang District, Magetan Regency, and to determine the plan for the reclamation of ex-mining land, namely by restoring the function of the ex-mining mining land according to its designation according to the Regional Regulation of Magetan Regency Number 15 of 2012 as production forest land and plantations. Based on the evaluation of land damage criteria that have been carried out on topography, soil, and vegetation conditions, 75% of these parameters are still feasible to be used as forest and plantation areas. The existing condition of the ex-sirtu mining area based on the results of surveys and field mapping, there are remnants of cliffs as high as 9.5 meters where the slope is almost perpendicular to the bottom of the excavation. The planned reclamation activities include land surface arrangement by adjusting the geometry of the slopes with a maximum cliff height of 3 m, a terrace width of 2.1 m, and a slope angle of 30o at the end of the mining. Plants planned for revegetation are sengon and ginger with a spacing of 2 m x 3 m and 0.3 m x 0.6 m. The dimensions of the sengon planting space used are 0,4 m x 0,4 m x 0,4 m and for ginger plants 0.3 m x 0.3 m x 0.3 m. Mathematical calculations showed the number of planned seeds of sengon plants to be planted is 56 seeds and 9.833 seeds of ginger plants. Keywords: Sirtu Mining, reclamation, revegetation ABSTRAK Kegiatan penambangan sirtu di Desa Trosono Kecamatan Parang Kabupaten Magetan berpotensi menimbulkan kerusakan lingkungan. Hal ini dapat dinilai berdasarkan tiga aspek penilaian kerusakan lahan bekas tambang C menurut Pergub Jatim No 62 Tahun 2010. Aspek yang ditinjau adalah topografi, kondisi tanah, dan vegetasi pada lahan bekas tambang C. Upaya perbaikan kondisi lingkungan perlu dilakukan segera setelah kegiatan penambangan berakhir untuk mencegah bahaya dan bencana akibat kerusakan lingkungan. Penelitian ini bertujuan untuk mengkaji kerusakan lahan akibat kegiatan penambangan di Desa Trosono Kecamatan Parang Kabupaten Magetan, serta menentukan rencana reklamasi lahan bekas tambang yaitu dengan mengembalikan fungsi lahan bekas tambang, sesuai peruntukannya menurut Peraturan Daerah Kabupaten Magetan Nomor 15 Tahun 2012 yaitu kawasan hutan produksi dan perkebunan. Hasil evaluasi kriteria kerusakan lahan yang telah dilakukan terhadap kondisi topografi, tanah, dan vegetasi, 75% dari parameter tersebut masih layak untuk dijadikan kawasan hutan dan perkebunan. Kondisi eksisting area bekas tambang sirtu berdasarkan hasil survei dan pemetaan lapangan terdapat sisa-sisa tebing setinggi 9,5meter yang kemiringannya hampir tegak lurus dengan dasar galian. Kegiatan reklamasi yang direncanakan meliputi penataan permukaan tanah dengan menyesuaikan geometri lereng dengan tinggi tebing maksimal 3 m, lebar teras 2,1 m, dan sudut kemiringan lereng 300 di ujung penambangan. Tanaman yang direncanakan adalah sengon dan jahe dengan jarak tanam 2 m x 3 m dan 0,3 m x 0,6 m. Dimensi ruang tanam sengon yang digunakan adalah 0,4 m x 0,4 m x 0,4 m dan tanaman jahe 0,3 m x 0,3 m x 0,3 m. Perhitungan matematis, direncanakan jumlah bibit tanaman sengon yang akan ditanam sebanyak 56 bibit dan 9.833 bibit tanaman jahe.Kata kunci: Pertambangan Sirtu, reklamasi, revegetasi" @default.
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• W4386804918 date "2023-07-31" @default.
• W4386804918 modified "2023-09-26" @default.
• W4386804918 title "Rancangan Teknis Reklamasi Lahan Bekas Penambangan Sirtu di Desa Trosono, Kecamatan Parang, Kabupaten Magetan" @default.
• W4386804918 doi "https://doi.org/10.25077/dampak.20.2.55-62.2023" @default.
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