Productivity and Costs of Felling Operation for Three Harvesting Methods in Mixed Forest Stands
2016
Cho, M.J., Kangwon National University, Chuncheon, Republic of Korea | Choi, Y.S., National Institute of Forest Science, Pocheon, Republic of Korea | Mun, H.S., National Institute of Forest Science, Pocheon, Republic of Korea | Lee, C.G., Kangwon National University, Chuncheon, Republic of Korea | Lee, E.J., Seoul National University, Seoul, Republic of Korea | Oh, J.H., National Institute of Forest Science, Pocheon, Republic of Korea | Han, S.K., Korea National College of Agriculture and Fisheries, Jeonju, Republic of Korea | Kim, D.H., Kangwon National University, Chuncheon, Republic of Korea | Cha, D.S., Kangwon National University, Chuncheon, Republic of Korea | Jung, E.J., Kangwon National University, Chuncheon, Republic of Korea
The purpose of this study was to broaden our knowledge on the productivity and costs of felling operation in three different harvesting methods(whole tree, tree-length and cut-to-length). Felling was conducted in three different harvesting methods with two workers who have different work experiences. Worker A and B have had felling experiences for about 5 years and 15 years, respectively. Felling productivity in whole tree method was 10.3 m³/SMH for worker A and 12.7 m³/SMH for worker B. Felling costs for worker A and B were 2,066 won/m³ and 2,201won/m³, respectively. Although felling productivity of worker B in whole tree method was higher than worker A, felling costs of worker A were similar to worker B because the wage of worker B was more expensive than the wage of worker A (p greater than 0.05). In tree-length method, felling cost of worker B were cheaper than that of worker A. Felling productivity and cost in tree-length method were 2.2 m3/SMH and 9,890 won/m³ for worker A and 3.3 m³/SMH and 8,459 won/m³ for worker B, respectively (p less than 0.05). In cut-to-length method, felling productivity and cost were 2.3 m³/SMH and 9,584 won/m³ for worker A and 3.0 m³/SMH and 9,395 won/m³ for worker B, respectively. Felling productivity of worker B was higher than that of worker A (p greater than 0.05). Our preliminary results found that harvesting methods and worker's experiences highly affect on the productivity and costs of felling operations. These results should be useful for forest managers when planning cost-effective harvesting operations.
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