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Jurnal Penelitian Hasil Hutan
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Articles 3 Documents
Search results for , issue " Vol 9, No 6 (1991): Jurnal Penelitian Hasil Hutan" : 3 Documents clear
BEBERAPA ASPEK PENGELUARAN KAYU DARI AREAL KONVERSI UNTUK BAHAN BAKU INDUSTRI DI SUMATERASELATAN Hakim, lsmatul; Linda, Kirsfianti; Dwiprabowo, Hariyatoo
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 | Full PDF (2672.147 KB) | DOI: 10.20886/jphh.1991.9.6.232-237

Abstract

Conversion forests in Indonesia whida are pardy still virgin account for about 41.2 % of the total forest areas. The conversion is needed because of the exlensification of  land for fanning, transmigration, and the exlension of urban area. Pre.senJly, the  information on wood polential from   this forest is scanty. This information is needed to know the possible Ulilization of the logs.The aim of this study is to asses logs potential, and their possible uses for industrial raw malerial and cost analysis.  The study was conducted in two forest concession area in South Sumalra Province, in March 1991.The  result of this study reveals that  the logs potential   in  the conversion  forests are relatively high, especialy of lop  wiJh diameler  50 cm and up. It contribults about 60.79 % and 86.99% (from  forest concession area I and II) from all logs with diamder  2() Can and up. The dominant tree species found in location are meranti (Shorea  sp.), balau (Shorea  spp., Hopea spp.), ramin (Gonystylus bancanus Kurz.), kempas  (Koompasia malaccensis  Maing), jelutung (Dyera  spp.) and pulai (Alstonia  spp.).The main uses of this wood is for the company own industry uses (57.53%) followed by free sale (28.17 %), and sale to other industry (14.30 %). Logs extraction incurred cost about Rp.  14 450,- until Rp.  16.  700,- per  cu.m  for forlling, skidding aclivilies and transporting logs to industrial sue.The cost differences depend on wood species, the distances  and risk factor. The proportion  of this cost is about  19.66 % until 22. 72 % of log price.
KAJJAN PEMANENAN TERHADAP KERAPATAN TEGAKAN DI BAGIAN HUTAN ALAM TROPIS PROPINSI LAMPUNG Endom, Wesman; Sumantri, Ishak
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 | Full PDF (10424.198 KB) | DOI: 10.20886/jphh.1991.9.6.219-228

Abstract

This  paper  studied  the  logging  impact  on forest  density  in  a forest  concession   in  Province  of  Lampung,   38 sample  plots  were taken consisting  of  22 plots  located  in  virgin/not  yet logged  and  16 located  in logged  over  area.  The  result show  that :1.The  initial potential   of  forest  area  can  be  classified  as moderate,   with  composition   of  commercial   wood  of  Dipterocarpaceae   43.9%, 14.4%  Non  Dipterocarpaceae   and  the rest 41.3%  of  non  commercial   species.  The  average  volume  of  commercial   wood  per  hectare  of diameter  class 50 cm  and  up  ranged  from  6 -  42 m3,    and for  diameter  class 20 -  50 cm  ranged  from   7 -  48 m3  per  hektar.   The forest density  of  those  two  diameter  classes  varied from   4 -  16  trees and  16  -  64 trees per  hektar,   respectively.2.Forest   logging   operation    has   reduced   the   volume    and   number    of   commercial    trees   per   hectare   (Dipterocarpaceae    and   Non Dipterocarpaceae)   at about  50%  and  38%  respectively.Compared  to TPTI  (Indonesian  Selective  Cutting System)  it was found   that this condition  can not meet  the TPTI  requirements  for  nucleus trees for  the next  cutting  cycle.3.The  logging  operation  has caused  the openings  of  land  cover  at about  30.54%  per  ha or similar  to an area 3054 m2  per  ha
ASPEK SOSIAL EKONOMI PENGUSAHAAN SAGU DI MALUKU Supriadi, R; Hakim, lsmatul
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 | Full PDF (5005.947 KB) | DOI: 10.20886/jphh.1991.9.6.238 - 246

Abstract

In the province of Maluku,  sago was and is still considered  an essential staple food for  the local people.  Sago flour is consumed   either for  sustenance  needs  or as a commercial  commodity.   For industrial  needs,  sago  is processed   to become  raw material for food,  textile,  wood adhesive,  fodder, cosmetics,  pharmaceuticals,  pesticides,  chemicals  and others.  This paper  described  several socio-economic   indicators  in sago related activities as a research result  in Maluku.fl  is concluded   that,  in general,  the education  level  of  respondents   are primary  school.   Most  of  them  have  already  a long  time  ago experience  in harvesting  of sago  trees at least for  7 years.   They  inherit their land ownershif  from  their ancestors,  and  the average family  land use patterns  consist  of  54.32 m2 for  house  building/construction,    966.36  m2 for  home  garden,  and  2.88   hectares for sago  garden.The income  distribution  among  several  activities of  the farmers  (respondents)   is as followed   : 

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