INTENSITAS PENGGUNAAN JALAN HUTAN SEBAGAI PRASARANA PENGANGKUTAN KAYU DI TIGA PERUSAHAAN HUTAN DI JAMBI DAN KALIMANTAN SELATAN

Dulsalam Dulsalam

Sari


This paper presents the results of an investigation on the use of forest roads as log transportation infrastructure at two logging companies in Jambi  and one logging company in South Kalimantan  carried out in 1990. The objective is to find out the information of the intensity of forest roads use as log transportation infrastructure.  For that purpose, the data on forest road length (km) and actual log production  (m3)  for the period of between three and  ten years were  collected. The results reveal that:

1.   Forest roads at several forest companies in Sumatra  and Kalimantan  were commonly unpaved, and therefore, can only be used when they are dry.

2.  The average lengths of forest roads built by A, B and C  companies were 6.050 km/year  with the range of between 2.000 and  13.000  km/year;  and  12. 733 km/year  with  the range of between 7.600  and  19.800  km/year;   11.275 km /year with the range of between 2: 565 and 22. 650 km /year, respectively.

3.   Actual  log production  ranged from 18,045,48  to 45,555.60  m3 /year  with  the average of 27,249.88 m3 /year for A company; from 19,484.07 to 41,526.29 m3 /year with the average of 31,485.36  m3 /year for B company; and from 15,892.25 to 54,553.95  m3 /year  with the average of 36,745.30  m3 /year for C company.

4.   Correction factor to be used in calculating actual production from target production at A, B and C companies were respectively 0. 74 with the range of between 0.36  and 0.98;  0.97  with the range of between  0.96  and 0.99; and 0. 76 with the range of between 0.32  and 1.09.

5.  The intensity of forest roads use as log transportation  infrastructure at A, B and C forest companies range between 1,503. 79 and  17,234.05  m3 / km-year  with  the  average of  7,165. 73 m3 / km-year;  between 984.04   and  4,400. 75 m3 / km-year  with the average of 3,076.61  m3 / km-year; and between 1,352.53  and 13,292. 74 m3 / km- year with the average of 5,147.53  m3 / km-year, respectively.


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Referensi


Byrne, J.J., R.J. Nelson and P.M. Coogins. 1956. Cost of Hauling Logs by Motor Truck and Trailer. USDA Pacific Northwest Forest and Range Exp. Station. Portland, Oregon.

Oka, l.G. 1978. Perencanaan Jalan Hutan. Catatan Lengkap Seminar Pembuatan Jalan Hutan. Lembaga Penelitian Hasil Hutan, Bogor.

Stenzel, G., T.A. Walbridge and J.K. Pearce. 1985.

Logging and Pulp Wood Production. John Wiley and

Sons. New York.

Tinambunan, D. 1988. Potensi Jalan Hutan Dalam Akselerasi Erosi Tanah di Kalimantan Barat. Jurnal Penelitian Hasil Hutan 5 (3) : 104-113.




DOI: https://doi.org/10.20886/jphh.1992.10.5.179%20-%20%20185

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