Year 2019, Volume 5, Issue 1, Pages 1 - 10 2019-06-29

Numerical examination of the optimal bucking method to maximize profits applied in Nasu town, Tochigi Prefecture, Japan

Kazuhiro Aruga [1] , Chikara Nakahata [2] , Masashi Saito [3]

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In this study, the optimal bucking methods were numerically applied to Nasu town, and the factors of effects on profitability of commercial thinning operations and feasibility of extracting small sized logs were discussed. As a result, commercial thinning operations could be conducted on 18% (818 ha) and 54% (2427 ha) of 35 and 45 years old forests, respectively. On the other hand, pre-commercial thinning operation would be conducted on 81% (3666 ha) and 46% (2089 ha) of 35 and 45 years old forests. This shows current situation of Japanese forestry where nearly all the thinning operations conducted were pre-commercial. Stands with extracting small sized logs accounted for approximately ten percent of the total forest area. Extracted small sized logs from 35 years old forests were more than those from 45 years old forests although saw logs from 35 years old forest were less than those from 45 years old forests. The areas of stands with extracting small sized logs were increased according to the more gentle slope and shorter forwarding distances. Thus, it was clear that the reduction of forwarding distances by establishing forest road networks were effective in order to increase stands with extracting small sized logs.

Extraction rate, Extracting thinned woods, Economic value, Optimal bucking, Small sized log
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Primary Language en
Subjects Engineering
Journal Section Research Articles
Authors

Orcid: 0000-0002-6947-1033
Author: Kazuhiro Aruga (Primary Author)
Institution: Utsunomiya Univeristy
Country: Japan


Author: Chikara Nakahata
Country: Japan


Author: Masashi Saito

Thanks We are grateful to the Nasu-machi Forest Owners’ Co-operative for their cooperation during the course of this research. This study was supported by JSPS KAKENHI Grand Number 15H04508 and 16KK0168.
Dates

Publication Date: June 29, 2019

Bibtex @research article { ejfe508056, journal = {European Journal of Forest Engineering}, issn = {}, eissn = {2149-5637}, address = {Forest Engineering and Technologies Platform}, year = {2019}, volume = {5}, pages = {1 - 10}, doi = {10.33904/ejfe.508056}, title = {Numerical examination of the optimal bucking method to maximize profits applied in Nasu town, Tochigi Prefecture, Japan}, key = {cite}, author = {Aruga, Kazuhiro and Nakahata, Chikara and Saito, Masashi} }
APA Aruga, K , Nakahata, C , Saito, M . (2019). Numerical examination of the optimal bucking method to maximize profits applied in Nasu town, Tochigi Prefecture, Japan. European Journal of Forest Engineering, 5 (1), 1-10. DOI: 10.33904/ejfe.508056
MLA Aruga, K , Nakahata, C , Saito, M . "Numerical examination of the optimal bucking method to maximize profits applied in Nasu town, Tochigi Prefecture, Japan". European Journal of Forest Engineering 5 (2019): 1-10 <http://dergipark.org.tr/ejfe/issue/45835/508056>
Chicago Aruga, K , Nakahata, C , Saito, M . "Numerical examination of the optimal bucking method to maximize profits applied in Nasu town, Tochigi Prefecture, Japan". European Journal of Forest Engineering 5 (2019): 1-10
RIS TY - JOUR T1 - Numerical examination of the optimal bucking method to maximize profits applied in Nasu town, Tochigi Prefecture, Japan AU - Kazuhiro Aruga , Chikara Nakahata , Masashi Saito Y1 - 2019 PY - 2019 N1 - doi: 10.33904/ejfe.508056 DO - 10.33904/ejfe.508056 T2 - European Journal of Forest Engineering JF - Journal JO - JOR SP - 1 EP - 10 VL - 5 IS - 1 SN - -2149-5637 M3 - doi: 10.33904/ejfe.508056 UR - https://doi.org/10.33904/ejfe.508056 Y2 - 2019 ER -
EndNote %0 European Journal of Forest Engineering Numerical examination of the optimal bucking method to maximize profits applied in Nasu town, Tochigi Prefecture, Japan %A Kazuhiro Aruga , Chikara Nakahata , Masashi Saito %T Numerical examination of the optimal bucking method to maximize profits applied in Nasu town, Tochigi Prefecture, Japan %D 2019 %J European Journal of Forest Engineering %P -2149-5637 %V 5 %N 1 %R doi: 10.33904/ejfe.508056 %U 10.33904/ejfe.508056
ISNAD Aruga, Kazuhiro , Nakahata, Chikara , Saito, Masashi . "Numerical examination of the optimal bucking method to maximize profits applied in Nasu town, Tochigi Prefecture, Japan". European Journal of Forest Engineering 5 / 1 (June 2019): 1-10. https://doi.org/10.33904/ejfe.508056
AMA Aruga K , Nakahata C , Saito M . Numerical examination of the optimal bucking method to maximize profits applied in Nasu town, Tochigi Prefecture, Japan. Eur J Forest Eng. 2019; 5(1): 1-10.
Vancouver Aruga K , Nakahata C , Saito M . Numerical examination of the optimal bucking method to maximize profits applied in Nasu town, Tochigi Prefecture, Japan. European Journal of Forest Engineering. 2019; 5(1): 10-1.