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Dulsalam
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UJI COBA PENEBANGAN KAYU BERBASIS ZERO WASTE DAN RAMAH LINGKUNGAN PADA HUTAN ALAM DI PROVINSI KALIMANTAN TENGAH Soenarno; Dulsalam; Yuniawati
Jurnal Penelitian Hasil Hutan Vol. 38 No. 2 (2020): Jurnal Penelitian Hasil Hutan
Publisher : BRIN Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jphh.2020.38.2.105-118

Abstract

Over the last five years (2013−2017) there has been a deficit of ± 23.2 million m3year of wood raw materials,while the facts in the field of timber harvesting are still wasteful with leaving logging waste reaching an average of 17%of the annual production quota target of 9.1 million m3/year. The trial of zero waste-based and environmentallytimber harvesting method (ZWL) is important to strengthen the tree length logging methods. This research aimed toobtain data and technical information related to the efficiency of wood utilization and the potential of timber loggingwaste. The trial results showed that zero waste and environmentally timber harvesting methods could improve woodutilization efficiency by 9%, from an average of 82.9% to an average of 91.9%, and reduce the potential for clearbole (BBC) logging waste from an average of 12% (0.863 m3/ tree) to only 8.1% (0.418 m3/tree). In addition, itwas able to save the potential of logging waste from stems above the branch (BAC) ranging from 2.8−11.2% with anaverage of 6.4% (0.418 m3/tree). However, ecologically it could not reduce damage to residual stands which reached37.7% while conventional methods amounted to 38.8%. Potential logging waste both BBC and BAC were mostlydefective (50.5−58.3%), and some were still good (14.4−26.3%) while those with broken conditions were still quitehigh (22.6-27.3% ). Until now, the potency of timber harvesting waste has not been utilized due to the considerationof the high cost of Non-Tax Government Income (PNBP) levies, uncertainty in the application of the Minister ofEnvironment and Forestry Regulation Number: P.1/Menlhk/Setjen/Kum.1/1/2019, and the ZWL method hasnot been informed yet to minimize the cost of logging waste extraction. In order to reduce timber harvesting waste andresidual stand damage, the forest management refresh logging and skidding techniques to improve the skills of thechainsaw and the tractor operators.
ANALISIS PRODUKTIVITAS, BIAYA OPERASI DAN PAMADATAN TANAH PADA PENYARADAN TRAKTOR VALMET FORWARDER 890.3 DI AREAL HTI PROVINSI RIAU Zakaria Basari; Dulsalam
Jurnal Penelitian Hasil Hutan Vol. 30 No. 1 (2012): Jurnal Penelitian Hasil Hutan
Publisher : BRIN Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jphh.2012.30.1.17-26

Abstract

The analisys of wood extraction using a Valmet forwarder tractor was carried out at industrial plantation forest PT. RAPP in Rian Province. The objective was to investigate productivity, operational cost, and soil compaction. The results showed that extraction productivity was 22,43 m³/hours. Average cost extraction average was Rp 20.935,-/m². Soil compaction was observed to be minor.
PRODUKTIVITAS DAN BIAYA ALAT SISTEM KABEL LAYANG P3HH24 UNTUK PENGELUARAN KAYU Dulsalam
Jurnal Penelitian Hasil Hutan Vol. 30 No. 1 (2012): Jurnal Penelitian Hasil Hutan
Publisher : BRIN Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jphh.2012.30.1.51-58

Abstract

A study on productivity and cost of logs extraction using P3HH24 skyline system tool was carried out in community forest of Sukaraja Village, Warungkiara Sub Regency, Sukabumi Regency in 2009. The objective is to find out information of productivity and cost of P3HH24 skyline system tool for logs extraction. Data on log volume and working time of logs extraction as well as transportation cost were collected. The study revealed that 1. Leg exctraction productivity ranged from 5.737 to 8.331 m² / rit with an average of 7.067 m²/rit. 2. Average cast of log extraction was Rp 9,244,-/m² lower than the previous cost (Rp 15,713,-/m²). The increasing efficiency of the average extraction cost was 34% 3. Log extraction using PJHH24 skyline system tool is feasible based on pay back period (1.3 years), net present value (Rp 154,734,164,-), IRR (76.73%) and B/Cratio (1.62). 4. Average land excposure caused by leg extraction using P3HH24 skyline system tool war 4% 5. Chain supporter and the endless cable drum need improvements to increase the efficiency of logs rcctraction using P3HH24 skyline system tool, motoric chain supporting and endless cable drum need improving.
FAKTOR EKSPLOITASI HUTAN DI SUB REGION KALIMANTAN TIMUR Soenarno; Wesman Edom; Zakaria Basari; Dulsalam; Sona Suhartana; Yuniawati
Jurnal Penelitian Hasil Hutan Vol. 34 No. 4 (2016): Jurnal Penelitian Hasil Hutan
Publisher : BRIN Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jphh.2016.34.4.335-348

Abstract

Forest harvest is the first activity to undertake in extracting logs from the forest site. The amount of wood wastes generated during logging operation can be used for measuring the value of exploitation factor (FE). The greater FE indicates more efficient of wood utilization. Indonesian government has so far decided the formal FE is 0.7. This value is no longer accurate for the current better forest management situation which adopting practices of reduced impact logging-RIL and or RIL-C. Considering from economic aspects, the FE value has a very important role, i.e. as multiplying factor in determining annual allocation of wood production (JPT) and as a basic parameter in predicting earn business provision of natural forest (PSDH). Ecological aspects may interprete that the bigger FE value will bring about reduction of forest damages. This paper examines the FE in Sub-Region of East Kalimantan. Results show that the proper FE value for the East Kalimantan Province is ranged between 0.77 – 0.89. The amount of FE value is more influenced by factor of feller skills than the management competence factor of IUPHHKHA.
LUAS PETAK TEBANG OPTIMAL PEMANENAN KAYU DI AREAL HUTAN TANAMAN RAWA GAMBUT Sona Suhartana; Yuniawati; Dulsalam
Jurnal Penelitian Hasil Hutan Vol. 32 No. 3 (2014): Jurnal Penelitian Hasil Hutan
Publisher : BRIN Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jphh.2014.32.3.175-188

Abstract

Skidding, maintenance and canal establisment activities in peat swamp forest require comprehensive planning actionssince the forest has a critical land and difficult to reclamate when it is damaged seriously. It is required to determine anoptimum felling area, considering technical, economical and ecological aspects. A study was carried out in June 2013 atconcession area of Bina Silva Nusa (PT BSN) Company. This study aimed to find out the optimum felling area and theskidding productivity, as well as canal maintenance and establishment. Data were taken descriptively and purposively,which comprised of felling-plot areas (Y) and the costs (X) for skidding, maintenance, and canal establishment. Further,the obtained X-Y data couples were analyzed for possible quadratic regression models. This study resulted model of theoptimum felling area : 1. Y = 55.7 - 6.8 X + 0.21 X ; or Ln Y = 55.7 - 6.8 Ln X + 0.21 Ln X , whichR = 0.1532** or R = 0.391 (R = 0.254), with the optimum felling area (Y ) of 22.21 ha and the minimumcost (X ) as much as Rp 612.644.033; 2. The average increase of skidding productivity andestablishment/maintenance of the secondary canal, collector canal and tertiery canal were 1.37 m /hour (9.5%), 1.298m/hour (5.3%), 1.706 m/hour (2.33%), and 1.4 m/hour (1.3%).
Co-Authors Maman Mansyur Idris Sarah Andini Soenarno Sona Suhartana Sukadaryati Wesman Edom Wesman Endom Yuniawati Zakaria Basari