DAMPAK PENYARADAN KAYU TERHADAP TERJADINYA KETERBUKAAN LABAN DI KAWASAN DUA PERUSAHAAN HUTAN DI RIAU (The impact of log skidding on ground exposure at two forest companies in Riau)
Abstract
This paper presents the results of the study on ground exposure caused by skidding. The case study was carried out at two forest companies in Riau in 1995. The aim of the study were : I. to find the road skidding condition that shows by the ground exposure caused by skidding, 2. to know the factors influencing the ground exposure and 3. to find the way of reducing ground exposure.
Data collected were the number of trees felled/skidded, the number of trees with diameter 20 cm and up. length and area of skidding road. The data was analized by using the multiple regression.
The study showed the following results : 1. The average of non-productive skidding road is 13.4 % from the number of productive skidding road; 2. The extravagant of tractor operation was 2680 hours; 3. The forest damage was 154.4 m2 per ha; 4. The ground exposure caused by skidding was 14.1 %; and 5. The number of trees felled/skidded was highly significant to ground exposure.
Keywords : skidding, skidding road, ground exposure.
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DOI: https://doi.org/10.20886/jphh.1996.14.2.52-59
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