Agung Sudrajad, Ilham (2022) Evalusi Pelaksanaan Reklamasi Pada Tahap Revegetasi di Lahan Bekas Penambangan Batubara di PT. Seluma Prima Coal, Kecamatan Mandiangin, Kabupaten Sarolangun, Provinsi Jambi. S1 thesis, Universitas Jambi.
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Abstract
RINGKASAN PT. Seluma Prima Coal merupakan perusahaan tambang batubara yang secara administratif terletak di Desa Rengkiling, Kecamatan Mandiangin, Kabupaten Sarolangun, Provinsi Jambi. PT Seluma Prima Coal memiliki luas Izin Usaha Pertambangan operasi produksi sebesar 1.116 Ha. Reklamasi yang telah dilakukan oleh PT. Seluma Prima Coal adalah penataan lahan dan revegetasi (penanaman). Berdasarkan Dokumen Rencana Reklamasi PT. Seluma Prima Coal tahun 2015-2019, revegetasi yang akan dilakukan adalah dengan tanaman sengon dan akasia seluas 60,99 hektar. Akan tetapi secara aktual revegetasi yang dilakukan hanya berupa tanaman sengon seluas 15,04 hektar. Tujuan dari penelitian ini adalah untuk mengetahui tingkat keberhasilan reklamasi dan revegetasi sengon PT Seluma Prima Coal dan mengetahui faktor penyebab ketidakberhasilannya serta menguji sifat fisik tanahnya. Penelitian ini menggunakan metode survei eksploratif / deskriptif, purposif sampling dan wawancara dengan pihak perusahaan. Hasil penilaian terhadap kegiatan reklamasi yang dilakukan PT Seluma Prima Coal adalah 65,2 % . Hasil penilaian revegetasi yang telah dilakukan PT Seluma Prima Coal yaitu 53 %. Kegiatan reklamasi dan revegetasi ini dinilai belum berhasil karena nilainya dibawah 80%. Faktor penghambat reklamasi PT Seluma Prima Coal adalah luas area tanaman revegetasi hanya 15,04 ha, banyak ditemukan tanaman yang mati dan belum dilakukan penyulaman sehingga persen tanaman yang hidup adalah 76,25% dan persen kesehatan 83,91%, kualitas fisik tanah yang masih buruk, terjadi longsoran dan kurangnya perawatan tanaman. Pada pertumbuhan tinggi diameter dan volume kayu tanaman sengon umur 1-4 tahun di areal revegetasi PT Seluma Prima Coal menunjukkan dominan pada klaster C (Sedang). Hasil uji analisis fisik tanah dapat disimpulkan bahwa belum terjadi perubahan fisik tanah pada lahan yang telah di revegetasi umur 1-4 tahun. Lahan revegetasi terjadi kecenderungan penurunan nilai permeabilitas dan kenaikan berat volume dari nilai tanah hutan. Sampel tanah hutan memiliki nilai permeabilitas yang lambat yaitu pada kedalaman 0-20 cm adalah 0,3 cm/jam dan pada kedalaman 20-40 cm 0,14 cm/jam. Setelah direvegetasi selama 4 tahun pada tanah reklmasi umur 1-4 tahun memiliki ninnlai permeabilitas sangat lambat yaitu 0 cm/jam. Kata kunci : Reklamasi, Revegetasi Sengon, Permeabilitas, Berat Volume SUMMARY PT. Seluma Prima Coal is a coal mining company which is administratively located in Rengkiling Village, Mandiangin District, Sarolangun Regency, Jambi Province. PT Seluma Prima Coal has a Mining Business License area for production operations of 1,116 Ha. The reclamation that has been carried out by PT. Seluma Prima Coal is land management and revegetation (planting). Based on the Reclamation Plan Document of PT. Seluma Prima Coal in 2015-2019, the revegetation that will be carried out is with sengon and acacia plants covering an area of 60.99 hectares. However, the actual revegetation carried out is only in the form of sengon plants covering an area of 15.04 hectares. The purpose of this study was to determine the success rate of reclamation and revegetation of PT Seluma Prima Coal sengon and to determine the factors causing its failure and to examine the physical properties of the soil. This study uses an exploratory/descriptive survey method, purposive sampling and interviews with the company. The results of the assessment of the reclamation activities carried out by PT Seluma Prima Coal were 65.2%. The results of the revegetation assessment that have been carried out by PT Seluma Prima Coal are 53%. This reclamation and revegetation activity is considered unsuccessful because the value is below 80%. The inhibiting factor for PT Seluma Prima Coal's reclamation is the area of the revegetation plant is only 15.04 ha, many dead plants are found and have not been replanted so that the percentage of living plants is 76.25% and the percentage of health is 83.91%, the physical quality of the soil is still intact. poor condition, landslides occur and lack of plant care. The growth in height, diameter and volume of sengon trees aged 1-4 years in the revegetation area of PT Seluma Prima Coal showed dominance in cluster C (Medium). The results of the soil physical analysis test can be concluded that there has not been a physical change in the soil on land that has been revegetated at the age of 1-4 years. There is a tendency for revegetation land to decrease the value of permeability and increase the volume weight of the forest land value. Forest soil samples have a slow permeability value, namely at a depth of 0-20 cm is 0.3 cm/hour and at a depth of 20-40 cm 0.14 cm/hour. After being revegetated for 4 years, the reclaimed soil aged 1-4 years has a very slow permeability value of 0 cm/hour Keywords: Reclamation, Sengon Revegetation, Permeability, Volume Weight
| Type: | Thesis (S1) |
|---|---|
| Uncontrolled Keywords: | Reclamation, Sengon Revegetation, Permeability, Volume Weight |
| Subjects: | L Education > L Education (General) |
| Divisions: | Fakultas Sains dan Teknologi > Teknik Pertambangan |
| Depositing User: | SUDRAJAD |
| Date Deposited: | 22 Aug 2022 08:26 |
| Last Modified: | 22 Aug 2022 08:26 |
| URI: | https://repository.unja.ac.id/id/eprint/38461 |
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