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All Journal Jurnal Penelitian Hasil Hutan BERITA BIOLOGI Jurnal Penelitian Hasil Hutan Jurnal Penelitian Hasil Hutan
Maman Mansyur Idris
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Decision Sciences, Operations Research & Management Energy Materials Science & Nanotechnology

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EVEKTIVITAS PENGGUNAAN TIRFOR DAN KATROL TUAS PADA PENEBANGAN JATI DI JAWA TENGAH Maman Mansyur Idris; Zakaria Basari; Soenarno Soenarno
Jurnal Penelitian Hasil Hutan Vol 2, No 4 (1985): Jurnal Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (4778.193 KB) | DOI: 10.20886/jphh.1985.2.4.8-13

Abstract

The study  of  tirfor  and lever block  effectiveness in teak felling was conducted at the Perum Perhutani  (The Forest State  Corporation) Unit I Central Java on June 1982 and July  1983. Both felling equipments were used cut the press down  to the desired directions.The purpose  of  the  study  is to find  out  the effects  of tirfor and lever block  on log damager in felling actives.  The study  was carried out  in a three  locations  with  different slopes  i.e. 0 -10% and 11 – 30%.The result  indicates  that on  the  11 - 30% slope,  the  tirfor  reduces 5.25%  log damages compared  with  that of the lever block.  It is concluded that in sloped areas tirfor is more efective  then lever block.
STATUS PENELITIAN CENDANA DI PROPINSI NUSA TENGGARA TIMUR I Komang Surata; Maman Mansyur Idris
BERITA BIOLOGI Vol 5, No 5 (2001)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v5i5.1460

Abstract

Cendana (Santalum album L.) adalah hasil hutan yang tergolong sangat penting dari Propinsi Nusa Tenggara Timur (NTT), karena merupakan spesies endemik yang terbaik di dunia dan mempunyai nilai ekonomi tinggi. Dewasa ini populasinya sudah semakin menurun. Oleh sebab itu dalam pemanfaatan perlu segera diikuti upaya pelestarian. Untuk mewujudkan upaya tersebut sebagaimana yang diharapkan, dukungan teknologi sangat diperlukan. Balai Penelitian Kehutanan (BPK) Kupang yang berkedudukan di daerah inti produksi cendana telah berupaya secara sungguh-sungguh untuk menyediakan teknologi yang dibutuhkan lewat kegiatan penelitian. Paket-paket teknologi hasil penelitian cendana yang telah dihasilkan dan sudah dapat diujicobakan untuk pengembangannya di lapangan antara lain teknik pembuatan Hutan Tanaman dengan menggunakan sistem tumpangsari, pengelolaan tegakan alam lewat permudaan tunas akar yaitu dengan pemotongan akar lateral pohon induk cendana dan teknik penggalian tunggak akar yang dilaksanakan saat penebangan, penentuan target tebangan tahunan yang berdasarkan data jumlah pohon masak tebang, kandungan teras dan daur/umur pohon cendana. Dalam rangkamendapatkan benih cendana dengan kualitas dan kuantitas yang memadai dewasa ini upaya pemuliaan pohon cendana telah mulai dilakukan. Kegiatan yang sedang berjalan antara lain pemilihan calon pohon plus, uji keturunan, uji provenan, teknik kultur jaringan,penunjukan tegakan benih dan pembangunan kebun benih. Adapun hasil sementara kegiatan ini telah dilakukan penunjukan pohon plus sebanyak 175 pohon beserta uji keturunanya di Pulau Timor, pembangunan kebun benih seluas 4 ha, kultur jaringan cendana seperti pengembangan eksplan, pengakaran dan pembentukan kalus, dari kultur jaringan, uji provenansi dan penunjukan tegakan benih. Sebagian besar penelitian ini berlangsung dalam jangka panjang. Kebijakan pengelolaan cendana di NTT yang diatur oleh PERDA No.16 tahun 1986 masih rendah memberikan kontribusi bagi upaya pelestarian cendana secara berkelanjutan. Oleh karena itu aturan ini perlu disempurnakan agar dapat menguntungkan masyarakat dan pemerintah agar mampu mendorong partisipasi masyarakat dalam upaya pelestarian cendana. Paket-paket teknologi yang dihasilkan BPK Kupang yang sudah siap untuk dikembangkan perlu diangkat menjadi kebijakan dalam rangka membantu pelestarian cendana.
EVEKTIVITAS PENGGUNAAN TIRFOR DAN KATROL TUAS PADA PENEBANGAN JATI DI JAWA TENGAH Maman Mansyur Idris; Zakaria Basari; Soenarno Soenarno
Jurnal Penelitian Hasil Hutan Vol 2, No 4 (1985): Jurnal Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jphh.1985.2.4.8-13

Abstract

The study  of  tirfor  and lever block  effectiveness in teak felling was conducted at the Perum Perhutani  (The Forest State  Corporation) Unit I Central Java on June 1982 and July  1983. Both felling equipments were used cut the press down  to the desired directions.The purpose  of  the  study  is to find  out  the effects  of tirfor and lever block  on log damager in felling actives.  The study  was carried out  in a three  locations  with  different slopes  i.e. 0 -10% and 11 – 30%.The result  indicates  that on  the  11 - 30% slope,  the  tirfor  reduces 5.25%  log damages compared  with  that of the lever block.  It is concluded that in sloped areas tirfor is more efective  then lever block.
ALAT BANTU TRUK ANGKUTAN KAYU UNTUK MENGURANGI SELIP RODA PADA JALAN HUTAN TANPA PERKERASAN Yuniawati; Dulsalam; Maman Mansyur Idris; Sona Suhartana; Sukadaryati
Jurnal Penelitian Hasil Hutan Vol. 33 No. 4 (2015): Jurnal Penelitian Hasil Hutan
Publisher : BRIN Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jphh.2015.33.4.387-395

Abstract

Timber hauling has a main goal to remove timber from forestland to the wood processing industry or directly to consumers. The hauling should be managed efficiently, so that the smooth running of transport should be prioritized. Slip is a serious obstacle that must be anticipated when hauling using trucks. It can reduce labor productivity and increase cost of hauling. The experiment was conducted in April 2014 in the RPH Cijogon, BKPH Tanggeung, Cianjur KPH Perhutani Unit III West Java and Banten. The purpose of research is to find out the use of auxiliary tools for reducing road slip in teak land hauling. The auxiliary tools were designed and manufactured in the workshop. The tools were then applied on the truck wheels in various slopes of slip. Results showed that: the average slip on slope class 0-8%, 9-15% and 16-25 % respectively 3.24 %, 6.11% and 7.58 % with each traction coefficient of 0.59, 0.44 and 0.36. The productivity of teak logs using the tools on slope class 0-8 %, 9-15% and 16-25% respectively 92.02 m³/km/hour, 89.07 m³/km/hour and 83.59 m³/km/hour and production, costs of corresponding teak logs are Rp 2640.01/m³/km, Rp 2737.92/m³/km and Rp 2917.27/m³/km.
BIAYA DAN PRODUKTIVITAS TREE LENGTH LOGGING DI HUTAN ALAM PRODUKSI Maman Mansyur Idris; Sukanda
Jurnal Penelitian Hasil Hutan Vol. 30 No. 4 (2012): Jurnal Penelitian Hasil Hutan
Publisher : BRIN Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jphh.2012.30.4.269-278

Abstract

This study examined cost and productivity of tree length logging system in natural production forest. The study was conducted in several forest concession in Kalimantan. The results showed that the sytem is capable to extract the clearbole part as main production log and the wasted log above the first branch into the landing point. Skidding productivityof tree length syistem in PT Gunung Gajah Abadi 6,25 m³/jam/hm, PT Narkata Rimba 15,54 m /br/bm, PT Balikpapan Forest Industries 16,67 m³/br/bm, PT Jatitrin Co Ltd 20,76 m³ /br/hm, PT Dwima Jaya Utama 36,69 m³/hr/bm dan PT Kayu Tribuana Rama 21,67 m³/hr/bm. The average cost of tree length logging system in PT Gunung Gajab Abadi is Rp 84.817,92/m³, PT Narkata Rimba Rp 33.636,55/ m', PT Balikpapan Forest Industries Rp 31,800,34/m³, PT Jatitrin Co Ltd Rp. 25.535,26/ m³, PT Dmimajaya Utama Rp 14.155,19/ m³ and PT Kayn Tribuana Rama Rp. 25.207,41/m³.
UNJUK KERJA TEKNIK PENYARADAN KAYU DENGAN METODE TREE LENGTH LOGGING PADA HUTAN ALAM LAHAN KERING Maman Mansyur Idris; Soenarno
Jurnal Penelitian Hasil Hutan Vol. 33 No. 2 (2015): Jurnal Penelitian Hasil Hutan
Publisher : BRIN Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jphh.2015.33.2.153-166

Abstract

In Indonesia, logging in natural forests is generally undertaken by cutting the main trunk along the clear boles and skidding the trunk to the landing point. This paper examines skidding performance of an alternative method, i.e. tree length logging which conducted by cutting off the stem above the first branch up to minimum diameter of 20 cm, which is manifested by the productivity and skidding cost. The method was practiced in four areas of Licency Natural Forest Concessionary managed by intensive sylvicultural system. Results show that the log skidding productivity ranged from 21.127 – 23.893 m³/hour with average of 22.217m³/hour depending on skidding distance. Meanwhile, skidding cost of tree length method ranged from Rp 24,852.36 - Rp 29,318.49/m³ with average of Rp 28,628.10/m³ with skidding distance ranged from 100 m to 225 m.
PENERAPAN METODE TREE LENGTH LOGGING SKALA OPERASIONAL DI AREAL TEKNIK SILVIKULTUR INTENSIF (STUDI KASUS DI PT SARMIENTO PARAKANCA TIMBER PROVINSI KALIMANTAN TIMUR) Maman Mansyur Idris; Soenarno
Jurnal Penelitian Hasil Hutan Vol. 33 No. 1 (2015): Jurnal Penelitian Hasil Hutan
Publisher : BRIN Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jphh.2015.33.1.19-34

Abstract

Tree length logging method is an alternative way in timber harvesting to improve the efficiency of timber utilization and preservation of forests resources. This paper studies the performance of tree length logging application method in operational scale. Observation was conducted in the forest area of PT Sarimelati Parakanca Timber in East Kotawaringin Regency, Central Kalimantan Province, where Intensive Silvicultural Technique (SILIN) was applied. Data were collected through observation and direct measurements in the field including labor productivity and cost of felling and skidding, logging waste, exploitation factor (FE) and the damage of residual stand. Results show both felling productivities and skidding were improved. The felling capacity was improved into 60.535 m³/hour and skidding was improved into 31.931 m³/hour. The application of tree length logging can also reduce the felling cost into Rp 1,604.36/m³ and skidding cost into Rp 21,142.75/m³. The method also increase the exploitation factors (FE) into 0.93 and minimize the damage on residual stand by 20.70%.
Co-Authors Dulsalam I Komang Surata Soenarno Soenarno Soenarno Sona Suhartana Sukadaryati Sukanda Yuniawati Zakaria Basari