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      Pendugaan Stok Karbon di Tegakan Karet Adeling Setro PTPN IX, Kabupaten Semarang

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      Date
      2025
      Author
      Alwan, Muhammad Yusron
      Elias
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      Abstract
      Penelitian ini bertujuan untuk mengestimasi stok karbon yang tersimpan pada tegakan karet di Afdeling Setro, PTPN IX, Kabupaten Semarang. Pendugaan dilakukan dengan metode stratified random sampling berdasarkan kelas umur tegakan, menggunakan petak contoh berukuran 20 × 20 m. Data diameter pohon dikumpulkan secara langsung di lapangan dan digunakan untuk menghitung biomassa dengan persamaan alometrik spesifik untuk tanaman karet. Nilai biomassa kemudian dikonversi menjadi stok karbon menggunakan persentase kandungan karbon standar. Hasil penelitian menunjukkan bahwa rata-rata stok karbon meningkat seiring bertambahnya umur tegakan. Kelas umur I (6–10 tahun) memiliki stok karbon sebesar 26,087 ton/ha, sedangkan kelas umur IV (21–25 tahun) memiliki stok karbon sebesar 96,578 ton/ha. Total luas lahan penelitian adalah 602,62 ha dengan estimasi total stok karbon sebesar 31.723,94 ton. Hubungan antara kelas umur dan stok karbon menunjukkan korelasi positif, yang mengindikasikan bahwa umur tanaman berpengaruh terhadap besarnya karbon yang tersimpan dalam tegakan karet.
       
      This study aimed to estimate the carbon stock stored in rubber tree stands at Afdeling Setro, PTPN IX, Semarang Regency. The estimation was carried out using a stratified random sampling method based on stand age classes, with sample plots measuring 20 × 20 m. Tree diameter data were collected directly in the field and used to calculate biomass using an allometric equation specific to rubber trees. Biomass values were then converted into carbon stock using a standard carbon content percentage. The results showed that the average carbon stock increased with the age of the stand. Age class I (6–10 years) had a carbon stock of 26.087 tons/ha, while age class IV (21–25 years) reached 96.578 tons/ha. The total research area covered 602,62 ha with an estimated total carbon stock of 31,723.94 tons. The relationship between stand age and carbon stock showed a positive correlation, indicating that the age of rubber trees influences the amount of carbon stored in the stand.
       
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      http://repository.ipb.ac.id/handle/123456789/165111
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      • UT - Forest Management [3207]

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