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ESTIMASI CADANGAN KARBON (CO₂) BAWAH PERMUKAAN LAHAN GAMBUT PADA BERBAGAI KONDISI TUTUPAN LAHAN DI KABUPATEN OGAN KOMERING ILIR

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This study aims to estimate and compare subsurface carbon (C) stocks and carbon dioxide equivalent (CO₂) in peatlands under various land cover conditions in Ogan Komering Ilir Regency, South Sumatra. The studied land cover types were conducted to several types : oil palm plantations with maintenance, oil palm plantations without maintenance, shrubland, swamp forest, mixed gardens, and secondary forest. Calculations were conducted under two depth scenarios, namely a depth of 100 cm and the entire peat thickness (>300 cm), that based on the field data and laboratory analysis results, including bulk density (BD) and organic carbon (C-organic) content. The research results indicated that subsurface peat carbon stocks vary significantly among land cover types and calculation depths. At a depth of 100 cm, the highest carbon stocks were identified in the secondary forest and mixed gardens, amounting to 823.45 tons C/ha (3,019.32 tons CO₂/ha) and 819.07 tons C/ha (3,003.26 tons CO₂/ha), respectively. In contrast, based on the calculation of the entire peat depth (>300 cm), the highest carbon stocks were identified in oil palm plantations with maintenance and without maintenance, amounting to 3,164.33 tons C/ha (11,602.55 tons CO₂/ha) and 3,029.27 tons C/ha (±11,107 tons CO₂/ha), respectively. These differences confirmed that peat thickness was a dominant factor in determining total carbon stocks. The main factors influencing variations in carbon stocks were peat depth, bulk density values, organic carbon content, vegetation structure and density. Land covers with dense and diverse vegetation tend to have higher carbon stocks in the upper layers, whereas thicker peat stores substantial amounts of carbon can be found in deeper layers. These findings indicated that peat carbon stock estimation must consider variations in depth and soil physical characteristics to better support sustainable peatland management and climate change mitigation policies. Keywords: peatland, carbon stock, CO₂ equivalent, land cover

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Detail Information

Series Title

.

Call Number

T1929382026

Publisher

Indralaya : Prodi Pengelolaan Lingkungan Sekolah Pascasarjana Universitas Sriwijaya., 2026

Collation

xv, 165 hlm.; ilus.; tab.; 29 cm

Language

Indonesia

ISBN/ISSN

-

Classification

333.750 7

Content Type

Text

Media Type

-

Carrier Type

-

Edition

-

Subject(s)

cadangan karbon
Prodi Pengelolaan Lingkungan Sekolah Pascasarjana

Specific Detail Info

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Statement of Responsibility

TUTI

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