STUDI PERBANDINGAN PENGUKURAN BIOMASSA POHON MERANTI (Shorea spp.) DENGAN MENGGUNAKAN ALAT MANUAL, MEKANIS DAN DIGITAL DI KAWASAN ARBORETUM SYLVA INDONESIA PC. UNTAN

Hengky Rahmanda, Gusti Hardiansyah, Iskandar A M

Abstract


Untan Biomassa Karbon Meter (UBKM) is one of the tools developed to accommodate the needs of carbon biomass measurements with non-destructive methods on standing trees. The study aimed to compare the results of biomass measurement by Manual (Phiband), Mechanical and Digital. The research was conducted for two weeks in September 2017 using exploration method, census data retrieval technique. The results of the study in the Arboretum Sylva Indonesia PC. UNTAN there are 10 types of Meranti (Shorea spp.) Among others Shorea balangeran, Shorea beccariana, Shorea bracteolata, Shorea havilandii, Shorea hopeifolia, Shorea leprosula, Shorea macrophylla, Shorea ovalis, Shorea palembanica and Shorea seminis. With the total number of 39 individual trees and carbon biomass measurements have been done using Phiband, UBKM Mechanical and UBKM Digital. In the measurement using Phiband obtained total biomass 24.405,42 (kg) and carbon 11,470,55 (kg), UBKM Mechanical obtained total biomass 23,665 (kg) and carbon 11,122,55 (kg) and UBKM Digital obtained total biomass 25,070,81 (kg ) and carbon 11,783.28 (kg). Based on comparison result of biomass measurement between Phiband with UBKM Mechanical obtained difference of 3.03% Phiband with UBKM Digital obtained difference of -2,73% and UBKM Mechanical with UBKM Digital obtained difference of -5,94%. Biomass measurements using Phiband become parameters of UBKM Mechanical and UBKM Digital tool on the measurement of Meranti tree biomass (Shorea spp.). Measurement of biomass using UBKM Mechanical gets lower value (under estimate) from biomass measurement using Phiband tool. While biomass measurement using UBKM Digital get higher value (over estimate) from biomass measurement using Phiband tool.

Keywords: Biomass, Digital, Manual, Mechanical, Meranti


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DOI: http://dx.doi.org/10.26418/jhl.v6i1.23770

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Fakultas Kehutanan Universitas Tanjungpura