DINAMIKA CADANGAN KARBON SISTEM AGROFORESTRY GMELINA (Gmelina arborea Roxb.) PADA HUTAN RAKYAT DI TASIKMALAYA DAN BANJAR, JAWA BARAT

Jurnal Wasian Pub Date : 2017-06-16 DOI:10.20886/JWAS.V4I1.2743

M. Siarudin, Y. Indrajaya

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引用次数: 4

Abstract

This research aims at measuring carbon (C) stock of gmelina ( Gmelina arborea Roxb.) agroforestry system and its carbon diynamics due to several harvesting rotations. Observation was conducted during March – October 2014, on 17 plots in private forest, located in Tasikmalaya and Banjar District, West Java Province. The C-stock measurement followed Rapid Carbon Stock Appraisal Method (RaCSA) with some additional analysis. The dynamic of C-stock was measured based on biological rotation, technical rotation-1 (harvesting at tree diameter of 15 cm) and technical rotation-2 (harvesting at tree diameter of 20 cm). The result of the study shows that average of C-stock in gmelina agroforest stand is 170 ton/ha, consisted of 64 ton/ha above ground C and 106 ton/ha below ground C. Biological rotation (8 years) results in maximum C-stock of 15 ton/ha at harvesting time, while the time averaged-C stock is 7 ton/ha/year.Technical rotation-1(14 years) and technical rotation-2 (24 years) result in maximum C-stock of 23 ton/ha and 28 ton/ha respectively, while the time averaged-C-stock are 12 ton/ha/year and 18 ton/ha/year respectively. Keywords: agroforestry system, biological rotation, gmelina, technical rotation

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命名为碳-碳系统AGROFORESTRY GMELINA（GMELINA arborea Roxb.）

本研究旨在测量gmelina（gmelina arborea Roxb.）农林系统的碳储量及其因多次轮作而产生的碳动力学。2014年3月至10月，对位于西爪哇省Tasikmalaya和Banjar区的17块私人森林进行了观测。碳储量测量遵循快速碳储量评估方法（RaCSA）和一些额外的分析。基于生物轮作、技术轮作-1（在树径15cm处收割）和技术轮作-2（在树直径20cm处收割）测量C种群的动态。研究结果表明，gmelina农林林分的平均碳储量为170吨/公顷，包括地上64吨/公顷和地下106吨/公顷。生物轮作（8年）导致收获时的最大碳储量为15吨/公顷，技术轮换1（14年）和技术轮换2（24年）的最大C库存分别为23吨/公顷和28吨/公顷，而时间平均C库存分别是12吨/ha和18吨/ha/年。关键词：农林系统，生物轮作，gmelina，技术轮作

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来源期刊

Jurnal Wasian

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审稿时长

16 weeks