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Journal : Jurnal Penelitian Hasil Hutan

 1   2 
KEMUNGKINAN SUBTITUSI KAYU RAMIN (Gonystilus bancanus) DENGAN JENIS LAIN SEBAGAI PENGHARA PENGGERGAJIAN Sukanda Sukanda; M Usmanyah
Jurnal Penelitian Hasil Hutan Vol 9, No 5 (1991): 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.1991.9.5.201-206

Abstract

Forest harvesting on swampy  forests especially to  Ramin species in West Kalimantan has begun since 1958, consequently by now the forest potential of this species has decreased. The purpose of the  study is to evaluate a scoring system to tktel'mine the potential substitution of several wood speciesfor ramin which have similar ch,iracteristicsto Ramin in colour, textur, and other characterislia which .an considered importiint in wood utilization.                                                                                     .                                                          The result of this study showed that in West kalimantan it is estimated about 26 species have been used and have economic potential and in general dominated by family of diptecarpaceaein dry  land forest and Ramin in swampy forest. Using the scoring system, from 25 species of non Romin .it  wcu found  that there are 9 species which have simUarcharacteristicsto Ramin , namely, Cengal (Hope& sangal Korth.), Kayu Cina (Prodocarpus motlcyi  Dummer), Jelutung (Dyera  constulata   Hook.f},  Medang (Litsea  sp.), Meranliputih (Shorca  sp.), Mentibu (Dactylocladus stenoctachvs Oliv.), Perup•k (LOphopethallumpachylhyllum King), Pisang-pisang(Mezzettia parviv~oraBecc.) and Pulai (Alstonia scholaris'R.Br.). 
EVALUASI LOGGING TRUK BERDASUKAN UMUR PAKAI, PRODUKTMTAS DAN BIAYAANGKUTAN Sukanda Sukanda
Jurnal Penelitian Hasil Hutan Vol 9, No 6 (1991): 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.1991.9.6.247-250

Abstract

In mMy forest coneuions  today, old loggin1 truelu of j   - 9 yean old ore. being med.  Thae  truda  will be continuo,ly uud  "'  long,a  ,,,,,,p,a.ra  ore available Md the equipment can be repaired. TM result, ore low productivit) ..ind laigla co,t.An obsnvotion in the field on 9 and 2-yeor old logging trucks in <AntralKalimantan ,ltow,  Ilse folli>winf   ruultJ  :1.For logging truclc condition o/9-year old, effecti11e working lime if 63 9' and productivity if  10,921m'lyeor wlsiela t1re loWff' .,,.,,,. tluJu.     for logging truck of 2-year old wills effective working hour of 80,5 9' and producti11ilyof 18,678 m.~lyeor.2.Rawling wills lo1ging truck of 9-yeor old if  more ·upensiH  than that of logging. truck of 2-yeor old, _Le  : Rp 4,940lm'l5o 1cm  (  Rp99lm3/lcm) Md  Rp 4,360/m3150 lcm ( Rp 87/m3/lcm), rup«tively  which mean, the dilferenee of $80/m3/$0 km  ( Rp 12/m3ilcm ).3. Due to large amount of maintenance cost, upeciaUy spare part cost than reached 54 9' of tM total cost, the 9-yeor old loainl   trucluore not ef/ieknt_ ~ymore and, dstre/ore, need to be replaced.
Co-Authors Dulsalam Dulsalam Hasan Basri Ishak Sumantri M Usmanyah Wesman Endom Yayan Sugilar