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Articles 6 Documents
Search results for , issue "Vol 8, No 2 (1990): Jurnal Penelitian Hasil Hutan" : 6 Documents clear
PERBANDINGAN ANATOMI KAYU RENGAS TEMBAGA (GLUTA RENGHAS L.) DENGAN RENGAS BURUNG (MELANORRHOEA WALLICHII HOOK. f) Rulliaty, Sri
Jurnal Penelitian Hasil Hutan Vol 8, No 2 (1990): Jurnal Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (12599.96 KB) | DOI: 10.20886/jphh.1990.8.2.77-80

Abstract

Wood of renga1tembaga (Gluta renghas  L.) and ren,as IJurung(Melanorrhoea  wallicbii Hook.(.) ltaue many common limilaritia   in the anatonJicalfeatures.Some of the differencel are in the grou feature of wood. Anatomical 1tudy 1hows that the frequency of Pora  and raya  dimenaion (width and height) of  Melanorrhoea   wallichii  Hook.f.  are significantly different  compared with those of  Gluta  renghas  L.
KAJIAN POTENSI DAN PELUANG EKSPOR ROTAN INDONESIA (Study on the potential and opportunity of Indonesian rattan export) Hariwibowo, Kirsfianti L
Jurnal Penelitian Hasil Hutan Vol 8, No 2 (1990): Jurnal Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (2853.486 KB) | DOI: 10.20886/jphh.1990.8.2.49 - 54

Abstract

The purpose of  this Study  18  to obtain information concerning the Indonaian  rattan market share  and analyze a .trategy needed  for developing market in effort to increase lndonaian  share  in world market.The analysis  reveal that current lndonaian  market hare iB mil.relatively low (<  19'); and the billlat  ah.are  iB on the commodity group which hOB tlte loweat market pofential t.e. inatti111/lampitof rattan. In (act other commodi~  group uch aa iattan furniture, and baketry  have a wider market to panetrate. The availability of raw material, as suaeeted by thiB lhuly  convinca  the poaibility  of  eJOf)anding  the rattan  indudrie&       .7b  develop lndoneSian market hare, however, the following factors are needed to emphasize :    (1) e:Kport priority ahould be foc.,;..d on to •the  llighut   co111uming country, (2) the quality of product. should be improved and (3) in the lorwer term. to broaden international market network.
ANATOMI DAN IDENTIFIKASI 17 JENIS KAYU KURANG DI KENAL Anatomy and identification of 17 lesser known wood species Mandang, Y I
Jurnal Penelitian Hasil Hutan Vol 8, No 2 (1990): Jurnal Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (18167.61 KB) | DOI: 10.20886/jphh.1990.8.2.55-69

Abstract

~   ..  anil anotOmical• ffOtura   of   17 luaer   #mown  wood  apeciea (1 ta•ilaa)      ,,,.,..dwldikd   and  compared.   There•arec :fhrff'  of   tlaem uilaich  haw  deebrative   appearance.   Le. Wrip~ia• tomentoa.   fenumdoa.•  ~eloba     and-"1tophtorum~,.,_.:,                                      ­•,'•.•                                                                  .,          ..                                                ,_                ..          •.For  identificatio11  p~.;            ...veral   important  features  were noted.  Tlaei_o~cur at leGlt •;n {!ne _member   of  the folow­ inl .tazo_n _;   lJ. ~,,.;- rfnl   {K>reo..f!.#1  W,Ood in  Bipao~ae;       2J scalilrlform   perfo1'ltion  plate  in Ala111iaceae; 8) veatured pit  in CaualpiniDc~e;     4}.  luJmoceilular    ray. in  Aceraceae,  Bignoniaceae  and  Cae10ltJjnl4e«le;. SJ  ray atoned in  Cae1alpiniaceae;6) iilica• badlei;1n''Dlalium    arid SWbltonia;  7) vertical  chains of cry1tals  in•Ca.­,,inloaeO'e;,8)     :ae.ptote fibe,.,  in•Anacardia­Mi~' B~               arid Caesalplnlaceae;   9)  radial  mtercellular  canal in  Anacardiaceae  and Buneraceae.             
PRAKTEK PEMBUATAN JEMBATAN KAYU BULAT SEDERHANA DI BEBERAPA KONSESI HUTAN DI KALIMANTAN Tinambunan, Djaban
Jurnal Penelitian Hasil Hutan Vol 8, No 2 (1990): 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.1990.8.2.70 — 76

Abstract

An investigation on simple log bridge construction practices was carried out in five forest concession areas scattering in West, Central and South Kalimantan from 1987 to 1989. The purpose is to find current practices, the amount of log/ wood used and problems faced in constructing simple log bridges.It is obvious in the field that government guidance in planning, construction and maintenance of log bridges is still far from satisfaction. It is common to see that (I) the variation in bridge construction is large; (2) bridges are built to the strength far higher than required; (3) too many logs are used in bridge construction; (4) problems Of soil erosion around and under bridges are quite serious; (5) bridges are loaded with unnecessary heavy dirt and/ or gravel which may reduce the effective supporting capacity of stringers; and (6) quite often the bridge was washed out due to low construction.Effective guidance from the government in forest bridge planning, construction and maintenance is strongly needed in order to reduce excessive use of natural resources (logs), to maintain proper bridge function for longer period, and to minimize environmental disturbances. For this purpose, the invo!vement of civil engineers in handling various forest engineering problems and pacing of research activities are urgently needed.
PRESTASI PENGEMUDI TRUK ANGKUTAN KAYU DARI BERBAGAI KELOMPOK UMUR (Logging truck drivers' performances at several-age groups) Dulsalam, Dulsalam
Jurnal Penelitian Hasil Hutan Vol 8, No 2 (1990): 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.1990.8.2.37-41

Abstract

An  invelfigation on  logging truck  drivers' performances was conducted  in West Kali1t14ntan Province in 1988. Tfae objective of tile investigation iB to find out the logging truck drivers' performances at several Olle lt1'0UPB.flae  driven  of  Niaan  TZ 50 logging trucks at a logging company were observed using time study.  To Achieve the lfudy' objective, tile driven were categorized into '(ourgroups based on their age, namely <; 30, > 30-36,  > 36-40, and > 40 year& The result  of tile study  w.,re as follow:1. Logging truck driversat the loggingcompany are relatively old with the age between 30 and 45 years.2. Loging  truck driversperformances with" the age groups of~   30, > 30-36,  > 35-40,  and> 40 years were 102.81 m3-km/hour, 796.80 m3-km/hour, 745.07 m3-km/hour and 684.54 m3-km/hour, respectively.
PRAKTEK PEMBUATAN PRASARANA ANGKUTAN DI AREAL HUTAN RAWA SUMATRA SELATAN (The practice of in'(rastructure. construction in swamp forest areas of -South Sumatra) Tinambunan, Djaban
Jurnal Penelitian Hasil Hutan Vol 8, No 2 (1990): 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.1990.8.2.42 -48

Abstract

A atucly of the practice of in(rastiucture (railroads)construction in wamp forest areasof South Sumatra was carried out  in 1989. The intention is to find  various aspects of  field operations in that specific area and their poaible  con- aequencea.It  ill found that aupports of rails in swamp forest areas are consisted of either 4 or 5 layers of logs. In constructing those railroads, logs used vary from 140 to 177 cu.m/km  with an averageof 166 cu.m/km.   Including the value of this material into calculationgives the total construction cost of railroadto the amount of around Rp 16.5 million per km.Soil diatyrbance iB found to be minimal due to narrow railroadclearingand /'lat topography. Problema identified in the field are the uceaive   use of logs for railroad construction and large amount of othe- logs scattered and abandon- ed around railroadsand manual skidding (kuda-kuda) roads.  It  seems that there is a strong need for the government and conceaionaires to seriously pay  attention and create better instructions and actions in managingthose valuable swamp (orats  on a sustainable basis.

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