Updated on 2022/03/18

写真a

 
TERAOKA Yukio
 
Organization
Research Field in Agriculture, Agriculture, Fisheries and Veterinary Medicine Area Faculty of Agriculture Department of Environmental Sciences and Technology Professor
Title
Professor
Contact information
メールアドレス
Profile
Smart Forestry, Woody Biomass Energy, Sustainable Forest Management, Regional Resources Management
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Degree

  • 農学修士 ( 1991.3   九州大学 )

  • 博士(農学) ( 1994.3   九州大学 )

Research Interests

  • Sustainable forest management

  • Bamboo forest management

  • Low cost forestry

  • Biomass energy

  • Smart forestry

  • Biomass Energy

  • Forest Measurement

  • Forest Planning

  • バイオマスエネルギー

  • 森林計測学

  • 森林計画学

Research Areas

  • Life Science / Forest science

  • Environmental Science/Agriculture Science / Environmental agriculture

Education

  • Kyushu University

    1989.4 - 1994.3

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    Country: Japan

  • Kyushu University

    - 1994

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    Country: Japan

  • Kyushu University   Graduate School, Division of Agriculture

    - 1994

  • Kyushu University

    1984.4 - 1989.3

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    Country: Japan

  • Kyushu University   School of Agriculture

    - 1989

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    Country: Japan

  • Kyushu University   Faculty of Agriculture

    - 1989

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Research History

  • Kagoshima University   director

    2016.4 - 2022.3

  • Kagoshima University   Professor

    2015.4

  • - 鹿児島大学 助教授

    2001

  • - Associate Professor, Faculty of Agriculture, Kagoshima University

    2001

  • Kagoshima University   Professor

    1997.4

Professional Memberships

  • 鳥取県立高等学校運営指導委員会委員

    2017.7

  • 鹿児島市木質バイオマス熱導入促進研究会会長

    2017.4

  • 環境科学会

    2015.10

  • 森林計画学会

    2015.10

  • 日本森林学会

    2015.10

  • 日本森林学会

    1990.4

  • 森林計画学会

    1990.4

  • 日本林学会

  • 森林計画学会

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Committee Memberships

  • 鹿児島県森林審議会   委員  

    2018.4   

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    Committee type:Municipal

  • 木質バイオマス利用研究会   会長  

    2018.3   

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    Committee type:Academic society

  • 日本森林学会   代議員  

    2017.12   

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    Committee type:Academic society

  • 鹿児島県再生可能エネルギー推進委員会   常任委員  

    2017.4   

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    Committee type:Municipal

  • 日本森林学会   代議員  

    2016.6   

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    Committee type:Academic society

  • 鹿児島県二酸化炭素削減・吸収量認証審査会   委員長  

    2011.6   

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    Committee type:Municipal

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Studying abroad experiences

  • 2001.4 - 2001.9   スウェーデン農科大学   JSPS特定国派遣研究員

  • 1996.3 - 1996.7   North Carolina State University  

Teacher organization examination execution

  • 2019.4     農林水産学研究科   教授

 

Papers

  • Fukumoto Keiko, Kitahara Fumiaki, Hosoda Kazuo, Ashihara Seiichi, Kajisa Tsuyoshi, Teraoka Yukio .  The Effect of Weeding Schedules on Weed Quantity and Operation Time of Improvement Cutting in 13 Year-old Sugi (<i>Cryptomeria japonica</i>) Stand in Kagoshima Prefecture, Southwestern Japan .  Journal of the Japanese Forest Society103 ( 1 ) 48 - 52   2021Reviewed

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    Authorship:Last author   Language:Japanese   Publishing type:Research paper (scientific journal)   Publisher:THE JAPANESE FORESTRY SOCIETY  

    <p>This study examined the effects of weeding schedules on shrub quantity and operation time for improvement cutting in 13 year old sugi (<i>Cryptomeria japonica</i>) stands. We also assessed the total operation time, which included both weeding and improvement cutting, with different weeding schedules. Then, we confirmed the state of competition between planted sugi trees and shrubs. As a result, shrub density was affected by weeding frequency, and shrub basal area and mean height were affected a year after the previous weeding. The shortest operation time was annual weeding, which was implemented annually from the 1st to 6th year after planting (11.9-12.6 h/ha). Three-time weeding was implemented in the 1st, 2nd, and 3rd years after planting and required about twice as much time as annual weeding (24.5-32.3 h/ha). The total operation time was longest with annual weeding (155.1-181.3 h/ha). Most of the sugi trees in this study site were not in competition with shrubs. We concluded that the operation time of improvement cutting increased with decreasing weeding frequency. However, the total operation time decreased with reducing weeding frequency. Additionally, improvement cutting may be omitted because of competition, and it is more effective for reducing initial silviculture costs.</p>

    DOI: 10.4005/jjfs.103.48

    Scopus

  • Fukumoto Keiko, Teraoka Yukio, Tomoyuki Kinjou, Moriaki Yamashita, Kajisa Tsuyoshi, Ugawa Shin, Ashihara Seiichi, Oka Masaru .  Competition between young cedar (<i>Cryptomeria japonica </i>) and broad-leaved trees at different slope positions in a non-weeded stand in Southern Kyushu .  Japanese Journal of Forest Planning49 ( 1 ) 43 - 49   2015Reviewed

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    Authorship:Corresponding author   Language:Japanese   Publishing type:Research paper (scientific journal)   Publisher:Japan Society of Forest Planning  

    <p>The objective of this study was to examine the competition between Japanese cedar (<i>Cryptomeria japonica</i>) and broad-leaved trees at different slope positions in a 5-year-old non-weeded cedar stand in Kagoshima University Forest, Southern Kyushu. We investigated the height growth of planted cedar and broad-leaved trees without weeding treatment stand, and analyzed the species composition and size of broad-leaved trees at different slope positions to compare 5 m strips. We examined the degree of height growth inhibition to compare the affects non-weeding treatment with complete yearly weeding treatment in adjoining even-aged stands. On the upper slope, the height of cedars in the stand without weeding was four-fifths that of cedars in the stand with weeding but was higher than that of broad-leaved trees. In contrast, on the lower slope, broad-leaved trees suppressed cedar height growth in the stand without weeding to 35% of that in the stand with weeding. On the basis of these results, we suggest that weeding in cedar stands can be reduced on upper slopes but is necessary on lower slopes.</p>

    DOI: 10.20659/jjfp.49.1_43

  • TAKANASHI Hirokazu, OOBAYASHI Keiichi, TERAOKA Yukio, KAI Takami, KONDO Hiroaki, NAKAJIMA Tsunenori, OHKI Akira .  Cost and Energy Consumption of Wood Pellet Production Based on Forest Management Information .  ENVIRONMENTAL SCIENCE24 ( 3 ) 189 - 197   2011.5Reviewed

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    Language:Japanese   Publishing type:Research paper (scientific journal)   Publisher:SOCIETY OF ENVIRONMENTAL SCIENCE, JAPAN  

    Wood pellet production cost was estimated by means of a simulator developed in our previous study. All thinned trees were assumed to have been utilized as raw materials for wood pellets, and no trees were assumed to have been utilized as industrial timber or pulp chips. The estimations were performed based on 14 different scenarios to study the possibility of creating a pellet-mass-consumption society in Japan. These scenarios were designed to vary pellet production scales in an objective area of Yakushima, an island (500 km<SUP>2</SUP> with 14,000 residents). The utilization cost was significantly affected by the pellet production scale, resulting in approximately 40 yen/kg at the production scale of ca. 2,000 t/y. The cost decreased according to the production scale and reached a minimum of 25.8 yen/kg at 26,500 t/y. Compared with the mean prices of kerosene (Feb. 2010) and LPG (Dec., 2009) in the country, the minimum pellet price was cost competitive though coefficients of performance decreased when the pellet fuel was used. The ratio of energy consumed for pellet production to lower heat of combustion (LHV) of the pellet was 0.0276 at 82,700 t/y.

    DOI: 10.11353/sesj.24.189

  • TAKANASHI Hirokazu, OOBAYASHI Keiichi, TERAOKA Yukio, KAI Takami, KONDO Hiroaki, NAKAJIMA Tsunenori, OHKI Akira .  A Simulator for Estimating Cost and Energy Consumption of Wood Pellet Production Based on Forest Management Information .  ENVIRONMENTAL SCIENCE24 ( 3 ) 180 - 188   2011.5Reviewed

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    Language:Japanese   Publishing type:Research paper (scientific journal)   Publisher:SOCIETY OF ENVIRONMENTAL SCIENCE, JAPAN  

    A simulator was developed for a sequential process comprising from a tree felling process to a pellet distribution process to estimate cost and energy consumption of wood pellet production. Linear programming was used in the simulator to minimize the pellet production cost. An objective function of the pellet production cost was set to seek an optimal solution. In order to avoid influence of external economical factors such as timber demand and prices, an assumption was made in the algorism of the simulator as follows: all harvested trees will be utilized for a raw material of wood pellet, and no trees will be utilized as an industrial timber or pulp chip. The simulator was given default parameters, functions of pellet producing efficiency and information of energy demand and supply, which were obtained and summarized in our previous study. This is the first work to present a simulator for estimating cost and energy consumption of wood pellet production, which was developed for a sequential process comprising from a tree felling process to a pellet distribution process based on the forest management information.

    DOI: 10.11353/sesj.24.180

  • Teraoka Yukio, Goushi Tomohiro .  Natural-drying Process of Sugi Logging Residues in a Field Under Different Seasons and Conditions of Waterproof Coverage .  Journal of the Japanese Forest Society93 ( 6 ) 262 - 269   2011Reviewed

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    Authorship:Lead author   Language:Japanese   Publishing type:Research paper (scientific journal)   Publisher:THE JAPANESE FORESTRY SOCIETY  

    It is desirable to reduce the moisture content of woody biomass in order to use it for energy production. This study investigated the natural-drying process of Sugi (<I>Cryptomeria japonica</I>) branches as logging residues during their storage in a clear-cut field for producing fuelwood. Three natural-drying experiments were carried out; i) drying branches in summer, ii) drying in late autumn, iii) drying branches piled with a water-proof sheet cover. In the first experiment, the initial moisture content of the fresh branches was 146% on a dry-weight basis (d.b.). The final average moisture content of the branch residues had decreased to 40%d.b. after 66 days&rsquo; drying. Another drying experiment in late autumn showed that the average moisture content of the branches decreased from 120%d.b. to 51%d.b. during a 35-day drying period. Furthermore, we evaluated the effect of a water-proof sheet on the top of the branch piles. The average moisture content of branch piles with the sheet cover decreased from 115%d.b. to 35%d.b. during 35 days&rsquo; drying in late autumn. The sheet cover protected the branch piles from wetting down and was effective in decreasing the moisture content of the branches. Natural-drying of logging residues in the field would be an efficient low-cost drying method for woody biomass.

    DOI: 10.4005/jjfs.93.262

  • TAKANASHI Hirokazu, OOBAYASHI Keiichi, SAGATA Teruhiro, TERAOKA Yukio, KAI Takami, TSUTSUI Toshio, NAKAJIMA Tsunenori, OHKI Akira .  Unit requirements and formulas for estimating wood pellet cost and carbon dioxide emission in its utilization processes .  ENVIRONMENTAL SCIENCE22 ( 4 ) 241 - 246   2009.7Reviewed

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    Language:Japanese   Publishing type:Research paper (scientific journal)   Publisher:SOCIETY OF ENVIRONMENTAL SCIENCE, JAPAN  

    DOI: 10.11353/sesj.22.241

  • TAKEUCHI I., NAGAIWA K., TERAOKA Y. .  Defoliating Damage by Typhoons in Hinoki (Chamaecyparis obtusa) Plantations .  Journal of the Japanese Forest Society89 ( 6 ) 390 - 394   2007.12Reviewed

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    Language:Japanese   Publishing type:Research paper (scientific journal)   Publisher:Japanese Forestry Society  

    We measured leaf loss caused by typhoons in four Hinoki (<I>Chamaecyparis obtusa</I>) plantations in northern Kagoshima Prefecture. In 2004, five typhoons passed through Kagoshima Prefecture and over nearby seas, Typhoon 18 was strongest; easterly and southwesterly winds impacted the forests with storm velocities of >40 m/s. The fallen branches lengths were mostly <10 cm; tree debris of &ge;20 cm dimension was relatively rare in four stands. The amounts of fallen leaves were 1.0 and 0.8 t/ha in stands P1 and P2 (located on slopes with southwestern exposure), respectively, and 0.7 and 0.2 t/ha in stands P3 and P4 (located on north-facing slopes), respectively. The mass of fallen branches in these stands amounted to only 7&sim;15% of the mass of fallen leaves. The difference in the amount of fallen leaves among stands were putatively attributed to factors that influenced wind velocity, such as slope direction and presence or absence sheltering mountains on the windward sides. The leaf biomasses before the typhoon impact were estimated to be 13.8 and 15.5 t/ha in stands P1 and P2, respectively. The ratios of fallen leaf amount to leaf biomass before the typhoon were 7.5 and 5.1% in stands P1 and P2, respectively. Thus, defoliating damage by typhoon impact in Hinoki stands can occur, even in the absence of conspicuous damage such as trunk breakage.

    DOI: 10.4005/jjfs.89.390

  • IWASAKI Koichi, TERAOKA Yukio, SUEYOSHI Takeshi .  Development of Woody Biomass Harvesting System : Cutting Characteristics of Bishop wood .  Journal of the Japanese Society of Agricultural Technology Management14 ( 2 ) 81 - 85   2007Reviewed

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    Language:Japanese   Publishing type:Research paper (scientific journal)   Publisher:Japanese Society of Agricultural Technology Management  

    The way of using woody biomass varies in burning, producing ethanol, gasification and so on. Some researches have been made for cultivating and producing short rotation trees as an energy source. Woody biomass such as willow or hybrid poplar is grown in European and North American countries. In that area, sugarcane harvester is used for harvesting woody biomass production. While in the south-west islands of Japan, sugarcane is grown as one of the main crops and many harvesters are used. Also, considerable area is expected for woody biomass production. There should be big potential to grow short rotation trees for energy source in that area under the subtropical climate. In this study, the production possibility of woody biomass in south-west islands of Japan is discussed. For testing the adjustability with the sugarcane production, the cutting resistances of some selected species were measured using the cutting knife of the sugarcane harvester.

    DOI: 10.20809/seisan.14.2_81

  • Imada Morio, Mabuchi Tetsuya, Yoshida Shigejiro, Murakami Takuhiko, Mitsuda Yasushi, Okano Tetsuro, Mizoue Nobuya, Inoue Akio, Teraoka Yukio, Kunisaki Takashi .  Management System for Japanese Oak on the Kyushu University Forest in Hokkaido : Experiment for the 30-year Period .  Journal of Forest Planning11 ( 1 ) 33 - 44   2005Reviewed International journal

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    Language:English   Publishing type:Research paper (scientific journal)   Publisher:森林計画学会  

    Since 1972, an experimental management system for Japanese oak (<i>Quercus mongolica</i> var. <i>grosseserrata</i>) has been studied in a natural Japanese oak forest, approximately 200ha in area, in the Kyushu University Forest in Hokkaido. The management system was based on the clearcutting system in tongue-shaped blocks surrounded by shelterbelts; rotation was 150 years. The silvicultural process in this management system was designed to produce high-quality timber. For 30 years between 1973 and 2002, the number of first-year oak seedling established by the silvicultural process averaged 55,000 per ha per year. For 30 years between 1972 and 2002, the area managed averaged 9.11 ha per year. For 30-years, the timber volume derived from thinning and final cutting averaged 198m^3 per year. The revenue obtained by selling this timber averaged 892,000 yen per year. The cost of silvicultural process averaged 557,000 yen per year, excluding the costs of staff and other factors owing to the Kyushu University Forest. Thus the average net revenue per year was 335,000 yen for the 30-years.

    DOI: 10.20659/jfp.11.1_33

  • TERAOKA Yukio .  Survey of Residents of Kagoshima City on the Cost of Electric Power Generated by Bio-fuels .  Research bulletin of the Kagoshima University Forests ( 30 ) 27 - 32   2002.12

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    Language:Japanese   Publisher:Kagoshima University  

    The opinions of Kagoshima City residents regarding the costs of electric power generated by bio-fuel were surveyed. The questionnaire survey was conducted in March 2001 on five hundred persons (families) who were sampled systematically from a telephone directory. One hundred sixty-three persons responded to the questionnaire (a response rate of 33 percent). About 95 percent of the respondents were interested in environmental problems. Recognition rates of various natural energy sources (listed in order, starting with the most widely recognized) were as follows: wind power (88.3%), solar power (85.8%), hydro-power (83.9%), geo-thermal power (74.5%) and biomass power (27.6%). Ninetyfive percent of respondents answered that we should reduce the use of fossil fuels for the reduction of carbon dioxide emissions. The alternate energy source most widely thought to be promising was solar power (73.6%), followed by wind power (63.8%), then geo-thermal power, and coastal wave power. Only 29.4% of respondents placed expectations on biomass energy. About 75 percent of respondents were willing to pay an additional charge for electricity generated from renewable energy sources. Comparing the results with public response to the non-government subsidy "Green Power System" operated by private electric power companies, it was found that residents in Kagoshima City were 2.5 times more willinq to pay extra for the use of natural energy sources.

  • Takata Katsuhiko, Teraoka Yukio .  Genotypic effects on the variation of wood quality and growth traits in plantation forest made by cutting cultivars of Japanese cedar .  Journal of wood science48 ( 2 ) 106 - 113   2002.4Reviewed International journal

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    Language:English   Publishing type:Research paper (scientific journal)   Publisher:Springer  

  • TERAOKA Yukio, TAKATA Katsuhiko, KOGA Shinya .  Use of trunk-MOE of Japanese cedar as forestry management information .  Japanese Journal of Forest Planning35 ( 1 ) 21 - 29   2001Reviewed

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    Authorship:Lead author   Language:Japanese   Publishing type:Research paper (scientific journal)   Publisher:Japan Society of Forest Planning  

    The purpose of this study was to measure the trunk-MOE (modulus of elasticity of a tree trunk) of Cryptomeia in the forest stand and to examine its use as forestry management information. First we analyzed the relationships between the trunk-MOE measured by the tree-bending test and the tree growth factors (tree height and DBH) in the Obi-sugi (Cryptomeria japonica) young plantation stand. Then, we proposed a DBH-based thinning method to control trunk-MOE in the stand, and discussed the possible application of trunk-MOE as forest management information. There was a weak negative correlation between the DBH and the trunk-MOE in 19- and 23-year-old stands, which showed the formation of mature wood during this period and the reproductivity of the measurement. The DBH-based thinning was suggested to result in the change of the average trunk-MOE in a stand and little affect coefficient of variation of trunk-MOE. The results indicate that it might be possible to produce timber satisfying user-side demands by using the stand trunk-MOE as management information.

    DOI: 10.20659/jjfp.35.1_21

  • TERAOKA Yukio, MIZOUE Nobuya, YOSHIDA Shigejiro, IMADA Morio, IIDA Shigeru, INOUE Susumu .  Growth and deer damage monitoring in young unsuccessful sugi and hinoki plantation .  Japanese Journal of Forest Planning34 ( 1 ) 27 - 34   2000Reviewed

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    Authorship:Lead author, Corresponding author   Language:Japanese   Publishing type:Research paper (scientific journal)   Publisher:Japan Society of Forest Planning  

    An alternative silvicultural or management scheme for the clear cutting system in Kyushu University Forests in Miyazaki became necessary because of the loss of sugi (Cryptomeria japonica) and hinoki (Chamaecyparis obtusa) plantation trees. This study analyzed the growth of planted trees and deer damages from monitoring results carried out in both 1990 and 1997, and examined the forest management alternatives. As a result, there has been a substantial decrease in the numbers of plantation trees. Furthermore, many planted trees have suffered much deer damages such as peeling of stem bark that drastically lowered the merchantable log value. Considering these situations, two management alternatives were proposed: 1) Silvicultural operations are to be performed only on selected healthy trees expected to survive until the final cutting. Other damaged trees would be left only for maintaining the stand density. 2) The management objective would be changed to enhance the growth of invaded broad leaf trees and to develop a mixture forest instead of the present forest to produce medium quality timber.

    DOI: 10.20659/jjfp.34.1_27

  • MURAKAMI Takuhiko, TERAOKA Yukio, IMADA Morio .  Calculation of topographical factors and their accuracy evaluations with Digital Map 50-m grid published by the Geographical Survey Institute .  Japanese Journal of Forest Planning34 ( 1 ) 13 - 26   2000Reviewed

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    Language:Japanese   Publishing type:Research paper (scientific journal)   Publisher:Japan Society of Forest Planning  

    We calculated three topographical factors (effective relief, topographical exposure and slope-center angle) with the "Digital Map 50-m grid", a digital elevation model (DEM) published by the Geographical Survey Institute, Japan. The objectives of this study were to show new algorithms for the calculation of the topographical factors from DEM, and to evaluate their accuracy. We proposed new algorithms for the topographical exposure and the slope-center angle. Both topographical factors measured on topographical maps and calculated from DEM were compared. The Digital Map 50-m grid data were resampled by the cubic convolution interpolation. The root mean squared (RMS) error for the elevation value of the DEM was 7.15m and gave good agreement with the theoretical value (7.2m). The RMS error of the effective relief was 8.61m, the topographical exposure was 27.39 degrees, and the slope-center angle was 13.57 degrees. The correlations between the errors of elevation on DEM and the errors of each topographical factor were also examined. The errors of elevation on DEM correlated positively with the errors of the topographical exposure and the slope-center angle, and negatively with those of the effective relief.

    DOI: 10.20659/jjfp.34.1_13

  • Teraoka Yukio, Hirata Akihisa, Iida Shigeru, Mizoue Nobuya, Yoshida Shigejiro, Imada Morio, Inoue Susumu .  Monitoring Survival Rates of Young Plantation Trees in Mountainous Regions in Japan using LANDSAT TM Data .  Journal of Forest Planning5 ( 2 ) 49 - 55   1999Reviewed International journal

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    Authorship:Lead author, Corresponding author   Language:English   Publishing type:Research paper (scientific journal)   Publisher:森林計画学会  

    It has proved difficult to monitor the state of plantations by field observations due to the high costs involved, although the extent of unsuccessful plantations has been increasing. The objective of this study was to develop a method to estimate the survival rates of planted trees in young Sugi (<i>Cryptomeria japonica</i>) and Hinoki (<i>Chamaecyparis obtusa</i>) plantations by analyzing LANDSAT TM (Thematic Mapper) data. Our hypothesis was that the survival rate of planted trees, which was regarded as closely correlated with canopy coverage of planted trees, could be represented by the digital number of bands or intensity of some index of remote sensing data. The study sites were young plantations (4 to 12 years old) in Kyushu University Forests in Miyazaki which is located in southern Kyushu, Japan (32°22′10″N, 131°10′40″E), within the cool-temperate deciduous zone. Plantations were divided into aspect classes as the minimum units of this study. The method had two main parts. 1) Interpreting survival rates of planted trees on a pair of aerial photographs. 2) Analyzing the relationships between TM data and the survival rates of trees under two models, MODEL I using NDVI (Normalized Difference Vegetation Index) and MODEL II using the TM band 3 digital number (DN) for detecting the difference in spectra between planted trees and grass. The results showed that: 1) there were big differences in the survival rates according to aspect, and northern slopes had relatively high survival rates compared with southern slopes. 2) It was difficult to estimate the survival rates of planted trees by NDVI. 3) The relationship between survival rates and DN in TM band 3 showed strong negative correlation with a coefficient of determination of 0.643. Thus, DN in TM band 3 appears to be preferable for estimating the survival rates of planted trees. This study thus indicated that TM band 3 approach would be the most effective monitoring method for plantations in inaccessible mountainous regions.

    DOI: 10.20659/jfp.5.2_49

  • 佐保田万智子,加治佐剛,寺岡行雄 .  木口画像を用いた丸太識別における疑似マーカーの有効性評価 .  九州森林研究74   13 - 17   2021.3木口画像を用いた丸太識別における疑似マーカーの有効性評価Reviewed

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    Authorship:Last author   Language:Japanese  

  • 福本桂子,北原文章,細田和男,芦原誠一,加治佐剛,寺岡行雄 .  下刈りスケジュールの違いが雑木の量と除伐作業時間に与える影響 .  日本森林学会誌103 ( 1 ) 48 - 52   2021下刈りスケジュールの違いが雑木の量と除伐作業時間に与える影響Reviewed

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    Language:Japanese   Publishing type:Research paper (scientific journal)  

  • The effect of weeding frequency and schedule on weeding operation time: a simulation study on a sugi (Cryptomeria japonica) plantation in Japan .    31 ( 6 ) 2129 - 2135   2020.12

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    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1007/s11676-019-01017-5

    Scopus

  • Fukumoto Keiko, Ota Tetsuji, Mizoue Nobuya, Yoshida Shigejiro, Teraoka Yukio, Kajisa Tsuyoshi, Nishizono Tomohiro, Hosoda Kazuo .  The Examination of Cost-effective Weeding Schedules Using Monte Carlo Simulation::A Case Study of the Sugi (<i>Cryptomeria japonica</i>) Stand in Takakuma Experimental Forest of Kagoshima University .  Journal of the Japanese Forest Society102 ( 1 ) 38 - 43   2020Invited Reviewed

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    Language:Japanese   Publishing type:Research paper (scientific journal)   Publisher:THE JAPANESE FORESTRY SOCIETY  

    <p>This study identified the cost-effective weeding schedules for reducing weeding cost. First, we used a Monte Carlo method to simulate 7-year-old sugi (<i>Cryptomeria Japonica</i>) mean height and cumulative weeding operation time under different combinations of weeding timing and frequency from 0 to 6 times after planting. Then, we calculated operation time per sugi mean height to express cost-effectiveness. Moreover, to evaluate the stability of the cost-effectiveness, we calculated coefficient of variation for sugi mean height, cumulative operation time and operation time per sugi height. Each coefficient of variation was lower when weeding frequency was equal to or more than three times. The operation time per sugi height decreased when weeding was conducted in the first or second year after planting. We conclude that the three-treatment weeding frequency including the first- or second-year weeding is more effective weeding for the reduction of weeding costs.</p>

    DOI: 10.4005/jjfs.102.38

    Scopus

  • Hosogane Machiko, KAJISA TSUYOSHI, TERAOKA YUKIO .  Features of log cross section images .  The Japanese Forest Society Congress131 ( 0 )   2020

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    Publisher:THE JAPANESE FORESTRY SOCIETY  

    <p>[in Japanese]</p>

    DOI: 10.11519/jfsc.131.0_665

  • Teraoka Yukio, Tashima Akiko, Sato Masamune, Kajisa Tsuyoshi, Stefan K. Pelz .  Examination of a precision of simple measurement method for the fuel wood chipʼs moisture content and actual states of moisture content of supplied chips .    72   15 - 19   2019.3Reviewed International coauthorship

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    Authorship:Lead author   Language:Japanese  

  • Yukio TERAOKA, Akiko TASHIMA, Masamune SATO, Tsuyoshi KAJISA, Stefan K. PELZ .  Examination of a precision of simple measurement method for the fuel wood chip's moisture content and actual states of moisture content of supplied chips .  Journal of Kyushu Forestry research72   15 - 19   2019.3Examination of a precision of simple measurement method for the fuel wood chip's moisture content and actual states of moisture content of supplied chipsReviewed

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    Authorship:Lead author   Language:Japanese   Publishing type:Research paper (scientific journal)  

    It has been necessary for a stable fuel wood chip supply to wood chip boilers. Therefore, the objectives of this study were precision of simple measurement method for the fuel wood chip's moisture contents and actual states of moisture contents of supplied chips in Kagoshima Prefecture, Japan. The simple moisture content measurement method for only Sugi (Cryptomeria japonica) chip with bark was calculating moisture content from bulk density filled in a stool with 22.8 liter. Wood chip samples were taken from 26 chip delivery trucks and measured by both the simple measurement method and kiln dried method. As the results, it was possible to measure the moisture contents by the simple method precisely. The wood chip samples showed less than 50% moisture contents which were acceptable moisture content for wood ship boilers. However, it would be necessary for stirring chips in sialo to reduce unevenness of chip's moisture contents.

  • YAMADA, S., TERAOKA, Y., KAJISA, T. and SCHURR C .  The Forester's tasks of consultation and supervision for private forest management in the state Baden-Württemberg, Germany .  Jornaol of Kyushu Forestry Research72   1 - 6   2019.3The Forester's tasks of consultation and supervision for private forest management in the state Baden-Württemberg, GermanyReviewed

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    Language:Japanese   Publishing type:Research paper (scientific journal)  

    Japan has started to train the Japanese foresters with the objective of establishing a stable supply system of domestic timber and dissemination of knowledge technology on forest and forestry. In its advanced case, literature and interview surveys were conducted on the mechanism of intermediary work system of timber sales by the state government in Baden-Württemberg State (BW state), Germany. The BW state has the same area as the Kyushu region, but its annual timber production volume is about twice that of Kyushu. In the state of BW, the State Forest Law requires appropriate management obligation for all forests and provisional and support obligation by the state government to private forest owners who do not have experts on forest and forestry are set up, and private forest by forester's advice and support services to management are being implemented. Although it is necessary to consider the influence of the competition restriction prohibition law, as of the year 2018 as well, private forest owners of 100 ha or less is also engaged in sales agency business of timbers. Analysis of the statistical data of the support work from 2006 to 2015 revealed that about 60% of the private forest area was under service of the BW state government.

  • HORIO Masayuki, SAKANISHI Kinya, SASAUCHI Kenichi, YAMADA Kouji, OKADA Kumi, TSURU Katsuya, SATO Yasuhiko, NISHIDA Haruo, KATSUKI Masashi, TERAOKA Yukio, TANOUE Ken-ichiro .  3-2-1 A Local Initiative for the Social Implementation of a Comprehensive Bamboo Utilization System:Interim Report 1 from the Bamboo Frontier Project .  Proceedings of the Annual Conference of The Japan Institute of Energy28 ( 0 ) 72 - 73   2019

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    Publisher:The Japan Institute of Energy  

    <p>To utilize bamboo biomass resources that have characteristics of rapid growth rate, nearness to farmlands and abundance, a novel project of combined feedstock collection, materials and energy co-production has been initiated in Nankan Town, Kumamoto Pref. with roughly 4.5billion yen investment. In this Report 1 the project background, and the special features and questions at hand concerning bamboo collection and materials production are discussed.</p>

    DOI: 10.20550/jietaikaiyoushi.28.0_72

  • MIMURA Kazutoshi, TANOUE Ken-ichiro, SAKANISHI Kinya, HORIO Masayuki, SASAUCHI Kenichi, YAMADA Kouji, OKADA Kumi, TSURU Katsuya, SATO Yasuhiko, NISHIDA Haruo, KATSUKI Masashi, TERAOKA Yukio .  3-2-2 A Cascade Biomass CHP for Bamboo Utilization .  Proceedings of the Annual Conference of The Japan Institute of Energy28 ( 0 ) 74 - 75   2019

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    Publisher:The Japan Institute of Energy  

    <p>A Biomass CHP system was completed by Bamboo Energy Co., Ltd. in Nankan Town, Kumamoto Prefecture, in March 2019, as the first full-scale Organic Rankine Cycle in Japan using bamboo for biomass. It has a capacity of about 1 MW electricity, 2.8 MW thermal oil supply, and 4 MW warm water supply, with total energy efficiency of about 70%. The well-known difficulty of burning bamboo has been successfully solved by burning it with bark based on fundamental research for a long time. In this report the development from pilot tests to full scale plant is outlined.</p>

    DOI: 10.20550/jietaikaiyoushi.28.0_74

  • KAJISA Tsuyoshi, Harada Seiya, Teraoka Yukio .  effect of understory for terrestrial Lidar measumrement .  The Japanese Forest Society Congress130 ( 0 )   2019

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    Publisher:THE JAPANESE FORESTRY SOCIETY  

    <p>[in Japanese]</p>

    DOI: 10.11519/jfsc.130.0_507

  • Kajisa Tsuyoshi, Iwamatsu Yusuke, Teraoka Yukio .  3D moelling of single tree crown shape of Japanese cedar using UAV aerial photography .  The Japanese Forest Society Congress129 ( 0 )   2018

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    Publisher:THE JAPANESE FORESTRY SOCIETY  

    <p>[in Japanese]</p>

    DOI: 10.11519/jfsc.129.0_484

  • Fukumoto Keiko, Ota Tetsuji, Mizoue Nobuya, Yoshida Shigejiro, Teraoka Yukio, Kajisa Tsuyoshi .  Strategies of weeding schedules towards low-cost silviculture of sugi (<i>Cryptomeria japonica</i>) plantation .  The Japanese Forest Society Congress129 ( 0 )   2018

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    Publisher:THE JAPANESE FORESTRY SOCIETY  

    <p>[in Japanese]</p>

    DOI: 10.11519/jfsc.129.0_250

  • Teraoka Yukio, Nakamura Hiroyuki .  Evolution of Smart Forestry (II) - Collaboration of timber demand information with log production site - .  The Japanese Forest Society Congress129 ( 0 )   2018

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    Publisher:THE JAPANESE FORESTRY SOCIETY  

    <p>[in Japanese]</p>

    DOI: 10.11519/jfsc.129.0_156

  • Oono Katsumasa, Karasawa Takakazu, Kajisa Tsuyoshi, Teraoka Yukio .  Evolution of Smart Forestry(Ⅶ)-Effective forest management using airborne LiDAR- .  The Japanese Forest Society Congress129 ( 0 )   2018

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    Publisher:THE JAPANESE FORESTRY SOCIETY  

    <p>[in Japanese]</p>

    DOI: 10.11519/jfsc.129.0_161

  • 福永寛之, 加治佐剛, 寺岡行雄 .  UAVを用いた海岸マツ林のマツ枯れ被害木の把握 .  九州森林研究70   57 - 60   2017.3UAVを用いた海岸マツ林のマツ枯れ被害木の把握

  • 福本桂子,太田徹志,溝上展也,岩永史子,吉田茂二郎,寺岡行雄,加治佐剛 .  下刈り回数、斜面方位および植栽密度の違いがスギ植栽木の枯死および誤伐に与える影響-鹿児島大学附属高隈演習林を事例として- .  森林計画学会誌51 ( 1 ) 1 - 7   2017下刈り回数、斜面方位および植栽密度の違いがスギ植栽木の枯死および誤伐に与える影響-鹿児島大学附属高隈演習林を事例として-Reviewed

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    Language:Japanese   Publishing type:Research paper (scientific journal)   Publisher:森林計画学会  

  • Keiko Fukumoto, Tetsuji Ota, Nobuya Mizoue, Shigejiro Yoshida, Yukio Teraoka, Tsuyoshi Kajisa .  The effect of weeding frequency and timing on the height growth of young sugi (Cryptomeria japonica) in southwestern Japan .  JOURNAL OF FOREST RESEARCH22 ( 3 ) 204 - 207   2017

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    Publisher:TAYLOR & FRANCIS LTD  

    This study investigated the effect of weeding on the height growth of planted sugi (Cryptomeria japonica) saplings in southwestern Japan. First, we developed stand-level sugi and weed annual height growth models that accounted for tree spacing, slope aspect, and mean sugi height at the end of prior growing season and mean weed height just after weeding. Then, we simulated sugi heights after the sixth growing season under 64 different weeding schedules, using the developed model to examine the effects of the weeding frequency and the timing of weeding. The selected model for sugi height growth was expressed in terms of mean sugi height, mean weed height, slope aspect, and the relative height of weeds to sugi. In the case of weeds, the selected model was expressed in terms of mean sugi height, slope aspect, and the relative height of weeds to sugi. The simulation showed that sugi height decreased approximately 20% for every one-time reduction in the number of weeding. The simulation also showed that earlier, rather than later, weeding yielded better sugi growth. In conclusion, not only weeding frequency but also weeding schedules are important for sugi height growth.

    DOI: 10.1080/13416979.2017.1322347

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    Scopus

  • 福本桂子, 太田徹志, 溝上展也, 岩永史子, 吉田茂二郎, 寺岡行雄, 加治佐剛 .  下刈り回数、斜面方位および植栽密度の違いがスギ植栽木の枯死および誤伐に与える影響-鹿児島大学附属高隈演習林を事例として- .  森林計画学会誌51 ( 1 ) 1 - 7   2017下刈り回数、斜面方位および植栽密度の違いがスギ植栽木の枯死および誤伐に与える影響-鹿児島大学附属高隈演習林を事例として-

  • Fukumoto Keiko, Ota Tetsuji, Mizoue Nobuya, Iwanaga Fumiko, Yoshida Shigejiro, Teraoka Yukio, Kajisa Tsuyoshi .  Effect of weeding frequency on the mortality and accidental cutting of planted sugi .  The Japanese Forest Society Congress128 ( 0 )   2017

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    Publisher:THE JAPANESE FORESTRY SOCIETY  

    <p>[in Japanese]</p>

    DOI: 10.11519/jfsc.128.0_220

  • Fukumoto Keiko, Ota Tetsuji, Mizoue Nobuya, Iwanaga Fumiko, Yoshida Shigejiro, Teraoka Yukio, Kajisa Tsuyoshi .  Effect of weeding frequency, slope aspect and initial tree density on the mortality and accidental cutting of planted Sugi (<i>Cryptomeria Japonica</i>) trees.:A case study in the Kagoshima University Research Forest, southwestern Japan. .  Japanese Journal of Forest Planning51 ( 1 ) 1 - 7   2017

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    Publisher:Japan Society of Forest Planning  

    <p>This study investigated the effects of weeding frequency, slope aspect and initial tree density on the mortality and accidental cutting of planted Sugi (<i>Cryptomeria japonica</i>) in southern Kyushu. To predict the probability of mortality and accidental cutting,we used the multinomial logistic regression model using weeding frequency,slope aspect and initial tree density. The highest mortality on north- and south-facing slopes was found in non weeding plot (33.3%) and every-year weeding plot (16.9%), respectively. Accidental cutting of planted Sugi was found in 3 or 4 times weeding plots. Multinomial logistic regression model showed that mortality was affected by slope aspect and initial tree density. Mortality decreased with the increase of weeding frequency on northfacing slope, while mortality was invariable regardless of weeding frequency on south-facing slope. Accidental cutting rate was invariables regardless of weeding frequency on both slopes. The mortality rate and accidental cutting rate under the 1,500 trees/ha density was higher than that under the 3,000 trees/ha. These results suggest that weeding frequency should be determined according to slope aspect and initial tree density.</p>

    DOI: 10.20659/jjfp.51.1_1

  • Teraoka Yukio .  Forest resources information and timber supply chain management for a stable wood fuel supply .  The Japanese Forest Society Congress128 ( 0 )   2017

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    Publisher:THE JAPANESE FORESTRY SOCIETY  

    <p>[in Japanese]</p>

    DOI: 10.11519/jfsc.128.0_811

  • Yonemori Shogo, Kajisa Tsuyoshi, Teraoka Yukio .  Analysis of error factors that effect stand density estimation using airboren LiDAR data .  The Japanese Forest Society Congress128 ( 0 )   2017

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    Publisher:THE JAPANESE FORESTRY SOCIETY  

    <p>[in Japanese]</p>

    DOI: 10.11519/jfsc.128.0_212

  • Kajisa Tsuyoshi, Goto Riki, Teraoka Yukio .  Detection of clear cutting in Kagoshima east region by using satellite images .  The Japanese Forest Society Congress128 ( 0 )   2017

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    Publisher:THE JAPANESE FORESTRY SOCIETY  

    <p>[in Japanese]</p>

    DOI: 10.11519/jfsc.128.0_469

  • hirata kunihiro, teraoka yukio, okuyama youichirou, ashihara seiichi, makino kousuke .  The social education program for forestry workers and engineer at Kagoshima University .  The Japanese Forest Society Congress128 ( 0 )   2017

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    Publisher:THE JAPANESE FORESTRY SOCIETY  

    <p>[in Japanese]</p>

    DOI: 10.11519/jfsc.128.0_675

  • 寺岡行雄 .  伐期に達したスギ精英樹の総合評価-高隈演習林六演習林スギ品種第Ⅴ試験地の結果から- .  九州森林研究68   1 - 4   2015.3伐期に達したスギ精英樹の総合評価-高隈演習林六演習林スギ品種第Ⅴ試験地の結果から-Reviewed

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  • 福本桂子・寺岡行雄・加治佐剛・萩野香澄・山下盛章・金城智之 .  3年下刈りと6年下刈りでのスギの成長と雑草木の侵入状況の比較 .  九州森林研究68   43 - 46   2015.33年下刈りと6年下刈りでのスギの成長と雑草木の侵入状況の比較Reviewed

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  • 福本桂子・寺岡行雄・金城智之・山下盛章・加治佐剛・鵜川信・芦原誠一・岡勝 .  南九州における斜面位置の違いによる無下刈りスギ幼齢木と進入広葉樹との競合 .  森林計画学会誌49 ( 1 ) 43 - 49   2015.3南九州における斜面位置の違いによる無下刈りスギ幼齢木と進入広葉樹との競合Reviewed

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  • 福本桂子・山下盛章・寺岡行雄 .  雑草木による被圧から開放されたスギ幼齢林分の1年目の成長 .  鹿大演習林研究報告41   43 - 48   2014.3雑草木による被圧から開放されたスギ幼齢林分の1年目の成長Reviewed

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  • 萩野香澄・寺岡行雄 .  鹿児島県の飲食店における薪の利用とその供給について .  鹿大演習林研究報告41   35 - 41   2014.3鹿児島県の飲食店における薪の利用とその供給についてReviewed

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  • 佐藤政宗・寺岡行雄・富永智美 .  鰹節焙乾用薪の利用と供給の実態 .  鹿大演習林研究報告40   25 - 31   2013.3鰹節焙乾用薪の利用と供給の実態Reviewed

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  • 佐藤政宗・寺岡行雄・山下盛章 .  皆伐後の林地残材を利用した燃料チップ生産業の可能性 .  九州森林研究66   1 - 5   2013.3皆伐後の林地残材を利用した燃料チップ生産業の可能性Reviewed

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  • Teraoka, Y., M. Sato and S. Ijichi .  Characteristics of wood chip fuel demand and supply in south-west Japan. .  World Bioenergy 2012 Proceedings. The Swedish bioenergy association   112 - 114   2012.6Characteristics of wood chip fuel demand and supply in south-west Japan. Reviewed

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  • 金城智之・寺岡行雄・芦原誠一・井倉洋二・山川博美 .  下刈り実施年数の違いにおける植栽木の成長 .  九州森林研究65   24 - 27   2012.3下刈り実施年数の違いにおける植栽木の成長Reviewed

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  • 佐藤政宗・寺岡行雄 .  ヤクスギ土埋木生産の変遷と現状について .  鹿児島大学演習林研究報告39   1 - 7   2012.3ヤクスギ土埋木生産の変遷と現状についてReviewed

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  • 伊地知秀太・寺岡行雄 .  鹿児島県における木質チップ燃料の供給・利用実態とその課題 .  鹿児島大学演習林研究報告39   15 - 19   2012.3鹿児島県における木質チップ燃料の供給・利用実態とその課題Reviewed

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  • 金城智之・寺岡行雄・芦原誠一・井倉洋二・浦めぐみ .  GPSを用いた下刈り功程調査 .  鹿児島大学演習林研究報告39   9 - 14   2012.3GPSを用いた下刈り功程調査Reviewed

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  • 寺岡行雄・合志知浩 .  野外乾燥時期の違いとビニルシート被覆によるスギ枝条の乾燥過程 .  日本森林学会誌93   262 - 269   2011.12野外乾燥時期の違いとビニルシート被覆によるスギ枝条の乾燥過程Reviewed

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  • 高梨啓和・大林慶一・寺岡行雄・甲斐敬美・近藤弘章・中島常憲・大木 章 .  森林情報を用いた木質ペレット販売原価の試算 .  環境科学会誌24 ( 3 ) 189 - 197   2011.6森林情報を用いた木質ペレット販売原価の試算Reviewed

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  • 高梨啓和・大林慶一・寺岡行雄・甲斐敬美・近藤弘章・中島常憲・大木 章 .  森林情報を用いた木質ペレット販売原価算出方法の検討 .  環境科学会誌24 ( 3 ) 180 - 188   2011.6森林情報を用いた木質ペレット販売原価算出方法の検討Reviewed

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  • 金城智之・寺岡行雄・芦原誠一・竹内郁雄・井倉洋二・浦めぐみ .  下刈り実施パターンの違いによる下刈り作業功程 .  鹿大演習林研究報告38   7 - 11   2011.3下刈り実施パターンの違いによる下刈り作業功程Reviewed

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  • 浦めぐみ・寺岡行雄・竹内郁雄 .  放置モウソウチク林での帯状伐採後におけるトマリタケノコの発生 .  鹿大演習林研究報告38   13 - 17   2011.3放置モウソウチク林での帯状伐採後におけるトマリタケノコの発生Reviewed

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  • 浦めぐみ・寺岡行雄・竹内郁雄 .  モウソウチク林における帯状伐採後の再生経過と発生稈の枯死 .  九州森林研究64   21 - 25   2011.3モウソウチク林における帯状伐採後の再生経過と発生稈の枯死Reviewed

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  • 金城智之・寺岡行雄・芦原誠一・竹内郁雄・井倉洋二 .  下刈り実施パターンの違いが植栽木に及ぼす影響 .  九州森林研究64   56 - 59   2011.3下刈り実施パターンの違いが植栽木に及ぼす影響Reviewed

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  • 寺岡行雄・合志知浩 .  数年間放置されたスギ枝条の容積密度と含水率について .  鹿児島大学農学部演習林研究報告37   15 - 20   2010.3数年間放置されたスギ枝条の容積密度と含水率についてReviewed

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  • 鈴木寿仁・竹内郁雄・寺岡行雄・吉田茂二郎 .  スギ高齢林における広葉樹による樹幹への傷被害 .  鹿児島大学農学部演習林研究報告37   5 - 13   2010.1スギ高齢林における広葉樹による樹幹への傷被害Reviewed

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  • 寺岡行雄 .  木質バイオマスのエネルギー利用と供給者としての林業の役割 .  第15回流動化・粒子プロセッシングシンポジウム講演予稿集   2009.12木質バイオマスのエネルギー利用と供給者としての林業の役割

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  • 高梨啓和・大林慶一・佐潟輝洋・寺岡行雄・甲斐敬美・筒井俊雄・中島常憲・大木 章 .  木質ペレットの製造に関する原単位および推算式の検討 .  環境科学会誌22 ( 4 ) 241 - 246   2009.8木質ペレットの製造に関する原単位および推算式の検討Reviewed

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  • 大村康章・竹内郁雄・寺岡行雄・佐藤 裕 .  マレーシア・サバ州における用材生産を目的としたアカシア・ハイブリッド人工林の成長 .  九州森林研究62   18 - 19   2009.3マレーシア・サバ州における用材生産を目的としたアカシア・ハイブリッド人工林の成長Reviewed

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  • 佐々木祐希子・竹内郁雄・寺岡行雄 .  植栽密度の違いが植栽木の成長に及ぼす影響-ヒノキ34年生林分における事例- .  九州森林研究62   14 - 17   2009.3植栽密度の違いが植栽木の成長に及ぼす影響-ヒノキ34年生林分における事例-Reviewed

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  • 久米村明・寺岡行雄・竹内郁雄 .  放置モウソウチク林の林分構造と地上部現存量 .  鹿児島大学農学部演習林研究報告36   1 - 8   2009.3放置モウソウチク林の林分構造と地上部現存量Reviewed

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  • 寺岡行雄・甲斐敬美・高梨啓和 .  相対湿度の違いによる木質ペレットの含水率の変化 .  鹿児島大学農学部学術報告58   15 - 20   2008.3相対湿度の違いによる木質ペレットの含水率の変化Reviewed

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  • Kai,T., Uemura,Y., Teraoka,Y., Takahashi,T., Hatate,Y., Yoshida,M. .  Design and operation of an air-conditioning system fueled by wood pellets .  Renewable Energy33   720 - 725   2008.1Design and operation of an air-conditioning system fueled by wood pelletsReviewed

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  • 岩崎浩一・寺岡行雄・末吉武志 .  木質バイオマス収穫システムの構築-アカギの切断抵抗特性について- .  農業生産技術管理学会誌14 ( 2 ) 81 - 85   2007.1木質バイオマス収穫システムの構築-アカギの切断抵抗特性について-Reviewed

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  • 竹内郁雄・永岩健一・寺岡行雄 .  台風によるヒノキ人工林の落葉被害 .  日本森林学会誌89 ( 6 ) 390 - 394   2007.1台風によるヒノキ人工林の落葉被害Reviewed

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  • 甲斐敬美・寺岡行雄・大塚栄・頓宮伸二・杉山隆英 .  木質バイオマス活用技術と屋久島での実証試験 .  クリーンエネルギー15 ( 12 ) 9 - 13   2006.12木質バイオマス活用技術と屋久島での実証試験

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  • 寺岡行雄 .  「儲かる林業研究会」について .  北方林業58 ( 10 ) 230 - 232   2006.10「儲かる林業研究会」について

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  • 甲斐敬美・寺岡行雄・高梨啓和・筒井俊雄・上村芳三 .  木質ペレットを燃料とする冷暖房装置の開発 .  クリーンエネルギー15 ( 1 ) 58 - 63   2006.1木質ペレットを燃料とする冷暖房装置の開発

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  • 寺岡行雄・合志知浩 .  スギ末木枝条の乾燥過程 .  九州森林研究58   34 - 37   2005.3スギ末木枝条の乾燥過程Reviewed

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  • Imada,M., Yoshida,S., Murakami,T., Mitsuda,Y., Okano,T., Mizoue,N., Inoue,A., Teraoka,Y., Kunisaki,T. and Mabuchi,T. .  Management system for Japanese oak on Kyushu University Forests in Hokkaido ?experiment for the 30-year period- .  Journal of forest planning11   33 - 44   2005Management system for Japanese oak on Kyushu University Forests in Hokkaido ?experiment for the 30-year period-Reviewed

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    Language:English   Publishing type:Research paper (scientific journal)  

  • TERAOKA Yukio, HARAGUCHI Ryusei, YOSHIDA Shigejiro, UMATA Hidetaka, MAEDA Toshimori, INOUE Toshiharu .  Periodic Inventory Data of Permanent Plots in Kagoshima University Forests at Takakukuma (IV) .  Research bulletin of the Kagoshima University Forests ( 27 ) 33 - 52   1999.12

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  • TERAOKA Y., KABEMURA Y., KAJI K., MABUCHI T. .  Prediction of Log Production for Shiitake Mushroom in each Diameter Class of Kunugi (Quercus acutissima Carr.) based on the Average Relative Stem Curve .  Bulletin of the Kyushu University Forest ( 77 ) 25 - 34   1997.12

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    Language:Japanese   Publisher:Kyushu University  

    The purpose of this study was to investigate the availability of the prediction method for log production numbers in each diameter class of a 14-year-old kunugi (Quercus acutissima Carr.) stand based on average relative stem curve. By using the relative-diameter-series of 19 kunugi trees, the average relative stem curve described by an equation of the third degree was obtained as follows; $ y = 0.3833940x^3 - 0.3589740x^2 - 1.1236385x $ Log numbers in each diameter class were calculated using the stem curve equation. Both actual and predicted distributions of log numbers were examined by the test of goodness of fit. The null hypothesis that stated two distributions had no difference was accepted at a 0.01 level of significance. In addition, the average top-end diameters of two log number distributions were almost equal. As a result, it is possible to predict log numbers in each diameter class of kunugi based on the average relative stem curve. This method is available for practical use.

    DOI: 10.15017/10934

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Books

  • ICT林業の最新技術 : スマート林業から林業DXへ

    加治佐 剛, 寺岡 行雄

    全国林業改良普及協会  2022  ( ISBN:9784881384299

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    Language:Japanese

    CiNii Books

  • 地域の林業戦略に活かす林業ICT

    寺岡行雄(編著)・狩屋健一・眞鍋豊宏( Role: Edit)

    全国林業改良普及協会  2020.2 

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    Total pages:136pp   Responsible for pages:11-55   Language:Japanese Book type:Scholarly book

  • 六演習林スギ品種試験地第Ⅴ試験地の成長結果について

    寺岡行雄・緒方将大・山下盛章・佐藤政宗・芦原誠一・井倉洋二( Role: Joint author)

    鹿大演習林研究報告  2014.3 

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    Language:Japanese Book type:Report

  • 鹿児島県における暖房用薪の需要と生産について

    前田清水・寺岡行雄・佐藤政宗( Role: Joint author)

    九州森林研究  2013.3 

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    Language:Japanese Book type:Report

  • 地上設置型3Dレーザースキャナによる立木計測の精度について

    寺岡行雄・木原 宏・大迫信之・下鵜瀬昭広( Role: Joint author)

    九州森林研究  2013.3 

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    Language:Japanese Book type:Report

  • 植栽密度の違いが植栽木の成長に及ぼす影響-ヒノキ34年生林分における事例.「低コスト造林・育林技術最前線」

    寺岡行雄( Role: Joint author)

    全国林業改良普及協会  2013.1 

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    Language:Japanese Book type:Scholarly book

  • 環境科学シンポジウム2010(記録)8.森林バイオマスシンポジウム -山を動かす-、

    寺岡行雄・迫田章義・高梨啓和( Role: Joint author)

    環境科学会誌  2010.12 

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    Language:Japanese Book type:Report

  • モウソウチク林での伐採季節と伐採幅の違いが竹再生過程に及ぼす影響(速報

    久米村明・竹内郁雄・寺岡行雄( Role: Joint author)

    九州森林研究  2010.3 

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    Language:Japanese Book type:Report

  • 鹿児島大学における林業生産技術者養成プログラムについて

    寺岡行雄・枚田邦宏・奥山洋一郎( Role: Joint author)

    九州森林研究  2009.3 

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    Language:Japanese Book type:Report

  • 地位指数.スギ構造材(今田盛生編著「森林組織計画」)

    寺岡行雄( Role: Sole author)

    九州大学出版会  2005 

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    Language:Japanese Book type:Scholarly book

  • ゼロエミッション屋久島プロジェクト-循環型社会へ移行するためのシナリオ-

    寺岡行雄(共著)( Role: Joint author)

    海象社  2004.1 

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MISC

  • 再造林時代での林業イノベーションの必要性

    寺岡行雄

    林経協季報杣径   58   1 - 5   2020.10

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    Language:Japanese   Publishing type:Article, review, commentary, editorial, etc. (other)   Publisher:一般社団法人日本林業経営者協会  

  • 成長産業化する国内ICT林業

    寺岡行雄、田中 征治、中村 成希、山﨑 太郎、桝田 孝一郎

    電波技術協会報   336   32 - 36   2020.9

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    Language:Japanese   Publishing type:Article, review, commentary, editorial, etc. (trade magazine, newspaper, online media)   Publisher:一般財団法人電波技術協会  

  • 九州の木質バイオマス発電を支えるもの

    寺岡行雄

    地球温暖化   68   32 - 33   2020.7

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  • 「林業・森林技術×○○」他分野とのコラボでつくる林業イノベーション

    寺岡行雄

    第53回森林・林業技術シンポジウム講演集   1 - 4   2020.3

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    Language:Japanese   Publishing type:Research paper, summary (national, other academic conference)   Publisher:全国林業試験研究機関協議会  

  • 新しい林業のためのG空間情報とICTの活用

    寺岡行雄

    森林計画研究会報   474   1 - 4   2019.9

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    Language:Japanese   Publishing type:Article, review, commentary, editorial, etc. (other)   Publisher:森林計画研究会  

  • 特集 ICTが拓く林業ビジネスの近未来(3)-量産型システムにおける高収益型林業の確立に向けて-

    寺岡行雄

    山林   1624   21 - 28   2019.9

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    Language:Japanese   Publishing type:Article, review, commentary, editorial, etc. (trade magazine, newspaper, online media)   Publisher:大日本山林会  

  • ICT を活用したスマート林業の技術

    寺岡行雄

    JATAFFジャーナル   7 ( 7 )   3 - 8   2019.7

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    Language:Japanese   Publishing type:Article, review, commentary, editorial, etc. (bulletin of university, research institution)   Publisher:農林水産・食品産業技術協会  

  • 人吉市のスマート林業構築の取組

    寺岡行雄

    森林技術   925   12 - 15   2019.4

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    Language:Japanese   Publishing type:Article, review, commentary, editorial, etc. (other)   Publisher:日本森林技術協会  

  • 森林・林業分野でのICTとG空間情報のさらなる活用に向けて

    寺岡行雄

    森林技術   886   4 - 7   2016.1

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    Language:Japanese   Publishing type:Article, review, commentary, editorial, etc. (bulletin of university, research institution)   Publisher:日本森林技術協会  

  • 南九州におけるバイオマスエネルギー事情

    寺岡行雄

    環境と安全   4 ( 3 )   247 - 249   2013.9

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  • 鹿児島における木質バイオマス燃料の利用拡大に向けて

    寺岡行雄

    地域経済情報   256   2 - 5   2011.7

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  • 低コスト林業をねらった林業経営

    寺岡行雄

    林木の育種   232   20 - 21   2009.7

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  • モウソウチク林での伐採季節と伐採幅の違いが翌年の竹再生に及ぼす影響 Reviewed

    柳瀬隆史・竹内郁雄・寺岡行雄

    九州森林研究   60   51 - 54   2007.3

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    Language:Japanese   Publishing type:Rapid communication, short report, research note, etc. (scientific journal)  

  • 鹿児島県におけるモウソウチク林の地上部現存量 Reviewed

    村上桂太・竹内郁雄・寺岡行雄

    九州森林研究   59   121 - 124   2006.3

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Presentations

  • Fukumoto Keiko, Teraoka Yukio, Kajisa Tsuyoshi   Effects of different weeding operation frequencies on the growth of sugi planted trees in Southern Kyushu  

    The Japanese Forest Society Congress  2015  THE JAPANESE FORESTRY SOCIETY

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    Language:Japanese  

    [in Japanese]

  • 佐保田 万智子,加治佐剛,寺岡行雄   木口画像を用いた丸太個体識別における疑似マーカーの有効性評価  

    第76回九州森林学会大会  九州森林学会

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    Event date: 2020.10

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:オンライン  

    日本の木材輸出は2013年以降増加傾向にあり,それに伴い木材の合法性や持続可能性を証明する木材産地証明が求められるようになっている.木材産地証明により,盗伐や違法伐採の抑制や,木質バイオマスの間伐材証明も可能となり,持続可能な林業経営が促進される.木材産地証明には,従来よりQRコードやRFIDタグを利用した手法が用いられてきたが,タグの装着作業や製材過程での張り直しなど,作業の煩雑化やコスト増加など課題が多いことがわかっている.その解決のため,丸太木口画像を個体識別に利用する手法を提案する.丸太の特徴量として木口の輪郭,年輪,髄,節の位置や形状,向きを自動抽出し利用することを検討しており,本発表では,節を模した疑似マーカーを用いた個体識別の有効性を評価する.疑似マーカーを木口画像にランダムに添付し,その形状と座標情報から事前に登録しておいた木口画像の特徴点と照合し,その精度を評価する.

  • 黒木 俊太朗,加治佐 剛,寺岡 行雄,石田 修司,米本 和真,上田 正博,阿部 博明   二時期のデジタル航空写真から得られたDSM差分画像による施業状況検出  

    第76回九州森林学会大会  九州森林学会

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    Event date: 2020.10

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:オンライン  

    現在,南九州では森林の伐採活動が活発になっており,伐採地の把握や管理が重要となっている。しかし,現地調査等で伐採状況の把握を行うと,多大な労力と時間を要する問題がある。そのため,伐採状況の検出をリモートセンシング技術を利用して行うことが出来れば,現地調査を行わずに伐採地を把握できる可能性がある。そこで本研究では,二時期の航空写真から得られた森林の施業前後のDSMデータを比較して差分画像から施業状況を検出する。発表では,二時期のDSM差分画像からの伐採検出精度について報告する。

  • 加治佐 剛,北原 健太郎,牧野耕輔,寺岡行雄   森林内での電波伝搬における樹木密度の影響  

    第76回九州森林学会大会  九州森林学会

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    Event date: 2020.10

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:オンライン  

    林業の成長産業化を進めるにあたり,森林域での通信環境の確保が重要となってくる。電波は遮蔽物があれば,遮断および回折が生じるため,森林内は開空地域と比べて伝搬距離が短くなると考えられる。しかしながら,これまでに森林内における電波伝搬に関する報告は限られている。樹木密度の違いは森林内の電波伝搬に大きく影響すると考えられるが,どの程度電波伝搬を阻害するかは明らかになっていない。そこで本研究の目的は,樹木密度の違いが森林内の電波伝搬にどのように影響するかを明らかにすることである。

  • 寺岡行雄・堤彩香   資源再生からみたモウソウチク林の輪伐期  

    第76回九州森林学会大会  九州森林学会

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    Event date: 2020.10

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:オンライン  

    大部分のモウソウチク林が放置され,その取り扱いが社会問題化している。モウソウチクを資源として利活用する動きが見られているが,将来にわたってどの程度の量の利用が可能なのかは,資源循環を決めるモウソウチク林の輪伐期で考えることができる。小面積帯状伐採からの回復過程の結果から,モウソウチク林の資源循環と輪伐期について検討した。

  • 森部民恵、加治佐剛、寺岡行雄   南九州における枝物複合経営モデルの構築  

    第76回九州森林学会大会  九州森林学会

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    Event date: 2020.10

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:オンライン  

    シキミ,ヒサカキ,サカキといった枝物は,近年国産の需要が高まってきており,有望な特用林産物と考えられている。  また,サカキは陰樹であり林冠下での栽培に適している。このことから,スギやヒノキの林冠下ではサカキ,畑ではシキミ,ヒサカキを栽培することによって,人工林用材生産と枝物栽培を組み合わせた枝物複合経営を可能にする。枝物複合経営は,放棄地の活用及び連年での収入を得ることのできる,安定的な林業経営に繋がると期待されている。しかし,枝物は栽培技術は注目されているものの,複合経営という観点からの研究はない。そこで本研究では,鹿児島県の枝物専業農家に聞き取り調査を行い,枝物複合経営の経営モデルを構築することを目的とした。

  • 福本桂子・北原文章・細田和男・芦原誠一・加治佐剛・寺岡行雄   下刈り回数の削減が雑木の侵入状況と除伐作業時間に与える影響   International conference

    第10回関東森林学会群馬大会  関東森林学会

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    Event date: 2020.10

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:オンライン  

    持続可能な森林経営を行う上で,初期育林コストを削減することが重要である。特に,下刈りコストの削減が求められてきた。下刈りを省いた場合,下刈りコストは削減される。その一方で,下刈りを省くことにより雑木が繁茂し,除伐のコストが増加する可能性がある。しかし,下刈り回数の削減が除伐コストに与える影響は明らかにされていない。そこで本発表では,鹿児島県に設置された下刈り試験地を対象に,下刈り回数の削減が雑木の侵入状況と除伐作業時間に与える影響を検証した。

  • 寺岡行雄   市町村における森林・林業分野でのICTの活用について  

    第75回九州森林学会大会研究発表会  九州森林学会

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    Event date: 2019.10

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:鹿児島大学  

  • 森部民恵, 加治佐剛, 寺岡行雄   スギ人工林内での枝物複合経営モデル-鹿児島県志布志市サカキ栽培を事例として-   International conference

    第75回九州森林学会大会研究発表会  九州森林学会

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    Event date: 2019.10

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:鹿児島大学  

  • 大城海斗, 加治佐剛, 寺岡行雄   森林域における高度別電波受信強度の変化  

    第75回九州森林学会大会研究発表会  九州森林学会

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    Event date: 2019.10

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:鹿児島大学  

  • 加治佐剛, 寺岡行雄   森林域での情報通信技術の利用可能性  

    第75回九州森林学会大会研究発表会  九州森林学会

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    Event date: 2019.10

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:鹿児島大学  

  • Machiko Sahoda, Hiroyuki Fukunaga, Yukio Teraoka, Tsuyoshi Kajisa   Review of lumber traceability system in Japan   International conference

    SFEM 2019: The International Symposium of Sustainable Forest Ecosystem Management - Accelerating Innovation for Multiple Ecosystem Services  Forest Planning Society

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    Event date: 2019.8

    Language:English   Presentation type:Poster presentation  

    Venue: かでる2.7(札幌市)  

  • 福本桂子・寺岡行雄・加治佐剛   下刈り回数の違いがスギ植栽木の成長に与える影響  

    第126回日本森林学会  第126回日本森林学会

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    Event date: 2015.3

    Language:Japanese  

    Venue:北海道  

    国内学会

  • 寺岡行雄・前田清水   鹿児島県における木質チップボイラーへの燃料供給について  

    第126回日本森林学会  第126回日本森林学会

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    Event date: 2015.3

    Language:Japanese  

    Venue:北海道  

    国内学会

  • 福本桂子,寺岡行雄,金城智之,山下盛章,加治佐剛   下刈り実施回数によるスギの樹高成長の違いについて  

    第70回九州森林学会  第70回九州森林学会

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    Event date: 2014.10

    Language:Japanese  

    Venue:佐賀  

    国内学会

  • 寺岡行雄   伐期に達したスギ精英樹の総合評価 ―高隈演習林6演習林スギ品種第5試験地の結果から―  

    第70回九州森林学会  第70回九州森林学会

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    Event date: 2014.10

    Language:Japanese  

    Venue:佐賀  

    国内学会

  • 寺岡行雄   九州におけるバイオマス発電について  

    第125回日本森林学会  第125回日本森林学会

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    Event date: 2014.3

    Language:Japanese  

    Venue:埼玉  

    国内学会

  • 前田清水、寺岡行雄、小幡透   チップボイラーに供給する燃料チップの乾燥  

    第69回九州森林学会  第69回九州森林学会

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    Event date: 2013.10

    Language:Japanese  

    Venue:宮崎  

    国内学会

  • 福本桂子、寺岡 行雄、山下盛章   被圧から解放されたスギ植栽木の成長回復  

    第69回九州森林学会  第69回九州森林学会

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    Event date: 2013.10

    Language:Japanese  

    Venue:宮崎  

    国内学会

  • 萩野香澄、寺岡行雄   チップ原木における材積から重量への換算係数について  

    第69回九州森林学会  第69回九州森林学会

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    Event date: 2013.10

    Language:Japanese  

    Venue:宮崎  

    国内学会

  • 山下盛章、寺岡行雄、金城智之、福本桂子   スギ幼齢林分における下刈り省力化を目的とした下刈り実施年数と植栽密度の検討  

    第69回九州森林学会  第69回九州森林学会

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    Event date: 2013.10

    Language:Japanese  

    Venue:宮崎  

    国内学会

  • 寺岡行雄、園田高士、岡 勝、松元正美   全木重量測定によるスギの葉枯らし乾燥について  

    第69回九州森林学会  第69回九州森林学会

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    Event date: 2013.10

    Language:Japanese  

    Venue:宮崎  

    国内学会

  • Moriaki YAMASHITA, Keiko FUKUMOTO, Yukio TERAOKA and Ikuo TAKEUCHI   Development of the low cost silvicultural system for ensuring re-planting in southern Kyushu   International conference

    Joint International Symposium By Korea, Taiwan and Japan- Sustainable Forest Ecosystem Management in Rapidly Changing World -  Joint International Symposium By Korea, Taiwan and Japan- Sustainable Forest Ecosystem Management in Rapidly Changing World -

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    Event date: 2013.9

    Language:English  

    Venue:鹿児島  

    国際学会

  • 寺岡行雄・佐藤政宗   九州における木質バイオマス発電のための燃料生産の可能性について  

    第124回日本森林学会  第124回日本森林学会

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    Event date: 2013.3

    Language:Japanese  

    Venue:岩手  

    国内学会

  • 福本桂子、山下盛章、寺岡行雄   無下刈りスギ幼齢林におけるスギ植栽木と雑草木との競合-斜面位置の違いによる侵入広葉樹の特徴-  

    124回日本森林学会大会  124回日本森林学会大会

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    Event date: 2013.3

    Language:Japanese  

    Venue:岩手  

    国内学会

  • Bawadi Abdullah, Yoshimitsu Uemura, Noridah Osman, Takami Kai, Hirokazu Takanashi, Yukio Teraoka   Effects of Pellet Feed and Air Supply Rates On the Combustion Behavior of Spruce Pellets in a Grid-Type Stove   International conference

    2012 AIChE Annual Meeting, 167b, Pittsburgh, USA  2012 AIChE Annual Meeting, 167b, Pittsburgh, USA

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    Event date: 2012.10

    Language:English  

    Venue:米国  

    国際学会

  • 山下盛章・寺岡行雄   スギ7年生造林木の月毎の成長量  

    第68回九州森林学会  第68回九州森林学会

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    Event date: 2012.10

    Language:Japanese  

    Venue:熊本  

    国内学会

  • 前田清水・寺岡行雄・佐藤政宗   鹿児島県における暖房用薪の需要と生産について  

    第68回九州森林学会  第68回九州森林学会

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    Event date: 2012.10

    Language:Japanese  

    Venue:熊本  

    国内学会

  • 寺岡行雄・木原 宏・大迫信之・下鵜瀬昭広   地上設置型3Dレーザースキャナによる立木計測の精度について  

    第68回九州森林学会  第68回九州森林学会

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    Event date: 2012.10

    Language:Japanese  

    Venue:熊本  

    国内学会

  • Teraoka, Y., M. Sato and S. Ijichi   Characteristics of wood chip fuel demand and supply in south-west Japan   International conference

    World Bioenergy 2012  World Bioenergy 2012

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    Event date: 2012.5

    Language:English  

    Venue:Jonkoping, Sweden  

    国際学会

  • 金城智之・寺岡行雄・芦原誠一・井倉洋二・山川博美   下刈り実施年数の違いにおける雑草木が植栽木の成長に及ぼす影響  

    第67回日本森林学会九州支部会研究発表会  第67回日本森林学会九州支部会研究発表会

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    Event date: 2011.10

    Language:Japanese  

    Venue:鹿児島  

    国内学会

  • 佐藤政宗・寺岡行雄   ヤクスギ土埋木生産の変遷と現状について  

    第67回日本森林学会九州支部会研究発表会  第67回日本森林学会九州支部会研究発表会

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    Event date: 2011.10

    Language:Japanese  

    Venue:鹿児島  

    国内学会

  • 浦めぐみ・寺岡行雄   帯状伐採を行った放置モウソウチク林の6年間の再生状況  

    第67回日本森林学会九州支部会研究発表会  第67回日本森林学会九州支部会研究発表会

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    Event date: 2011.10

    Language:Japanese  

    Venue:鹿児島  

    国内学会

  • 伊地知秀太・寺岡行雄   鹿児島県における木質チップ燃料の供給実態と課題  

    第67回日本森林学会九州支部会研究発表会  第67回日本森林学会九州支部会研究発表会

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    Event date: 2011.10

    Language:Japanese  

    Venue:鹿児島  

    国内学会

  • 寺岡行雄・伊地知秀太   木質チップボイラーへ供給されるチップの含水率と経済性  

    122回日本森林学会大会  122回日本森林学会大会

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    Event date: 2011.4

    Language:Japanese  

    Venue:静岡  

    国内学会

  • 浦めぐみ・寺岡行雄・竹内郁雄   帯状伐採を行ったモウソウチク林における発生稈の枯死について  

    第66回日本森林学会九州支部研究発表会  第66回日本森林学会九州支部研究発表会

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    Event date: 2010.10

    Language:Japanese  

    Venue:長崎  

    国内学会

  • 金城智之・寺岡行雄・竹内郁雄・芦原誠一・井倉洋二   下刈り実施パターンの違いが植栽木に及ぼす影響  

    第66回日本森林学会九州支部研究発表会  第66回日本森林学会九州支部研究発表会

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    Event date: 2010.10

    Language:Japanese  

    Venue:長崎  

    国内学会

  • 寺岡行雄・末松綾子・竹内郁雄・福島大輔   鹿児島県桜島におけるツバキ油生産について  

    第66回日本森林学会九州支部研究発表会  第66回日本森林学会九州支部研究発表会

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    Event date: 2010.10

    Language:Japanese  

    Venue:長崎  

    国内学会

  • 寺岡行雄   国内の林業生産システムについて  

    環境科学会2010年会  環境科学会2010年会

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    Event date: 2010.9

    Language:Japanese  

    Venue:東京  

    国内学会

  • 寺岡行雄   木質バイオマス燃料の利用実態と見通しについて-九州地域における事例から-  

    第121回日本森林学会  第121回日本森林学会

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    Event date: 2010.4

    Language:Japanese  

    Venue:茨城  

    国内学会

  • 寺岡行雄・合志知浩   スギ末木枝条の野外乾燥過程とモデル化  

    環境科学会2009年会  環境科学会2009年会

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    Event date: 2009.9

    Language:Japanese  

    Venue:北海道  

    国内学会

  • 寺岡行雄   九州内の動きから見える木質バイオマス利用と供給の方向性  

    第120回日本森林学会  第120回日本森林学会

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    Event date: 2009.3

    Language:Japanese  

    Venue:京都  

    国内学会

  • 寺岡行雄・稲垣良平   丸太の野外乾燥過程について  

    第119回日本森林科学会大会  第119回日本森林科学会大会

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    Event date: 2008.3

    Language:Japanese  

    Venue:東京  

    国内学会

  • 寺岡行雄   木質ペレットの吸湿性について  

    日本森林学会九州支部会  日本森林学会九州支部会

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    Event date: 2007.11

    Language:Japanese  

    Venue:佐賀  

    国内学会

  • 寺岡行雄   儲かる林業のために何が必要か-鹿児島での取り組み-  

    2007年 日本森林学会・日本木材学会公開シンポジウム  2007年 日本森林学会・日本木材学会公開シンポジウム

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    Event date: 2007.4

    Language:Japanese  

    Venue:福岡  

    国内学会

  • 寺岡行雄   これからの林業のために必要な森林情報  

    平成19年森林計画学会春季シンポジウム「林業情報とその計測技術」  平成19年森林計画学会春季シンポジウム「林業情報とその計測技術」

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    Event date: 2007.4

    Language:Japanese  

    Venue:福岡  

    国内学会

  • 竹内郁雄・寺岡行雄   スギ,ヒノキ列状間伐林における台風被害  

    第118回日本森林学会大会  第118回日本森林学会大会

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    Event date: 2007.4

    Language:Japanese  

    Venue:福岡  

    国内学会

  • 寺岡行雄・安里練雄・新岡寛士   アカギ人工林の成長経過  

    第118回日本森林学会大会  第118回日本森林学会大会

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    Event date: 2007.4

    Language:Japanese  

    Venue:福岡  

    国内学会

  • Takanashi, H., Teruhiro, S., Nakajima, T., Ohki, A., Kai, T., Uemura, Y., Teraoka, Y.   Prediction of fuelwood value index from elemental composition   International conference

    Japan/Taiwan/Korea Chemical Engineering Conference 2006  Japan/Taiwan/Korea Chemical Engineering Conference 2006

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    Event date: 2006.11

    Language:English  

    Venue:鹿児島  

    国際学会

  • Kai, T., Takahashi,T., Teraoka, Y., Takanashi, H., Tsutsui, T.   Feasibility study on utilization of woody biomass as energy resources on small islands   International conference

    Japan/Taiwan/Korea Chemical Engineering Conference 2006  Japan/Taiwan/Korea Chemical Engineering Conference 2006

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    Event date: 2006.11

    Language:English  

    Venue:鹿児島  

    国際学会

  • 村上桂太・寺岡行雄・竹内郁雄   鹿児島県さつま町におけるモウソウチク林拡大の実態と特徴  

    第62回日本林学会九州支部大会  第62回日本林学会九州支部大会

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    Event date: 2006.11

    Language:Japanese  

    Venue:宮崎  

    国内学会

  • TERAOKA, Y. and GOUSHI, T.   Calorific value change of slash as logging residues after biological-drying under humid weather conditions in Japan   International conference

    World Bioenergy 2006  World Bioenergy 2006

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    Event date: 2006.5

    Language:English  

    Venue:スウェーデン  

    国際学会

  • 寺岡行雄   離島部における木質バイオマス利用の課題と展望について  

    第117回日本森林学会大会  第117回日本森林学会大会

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    Event date: 2006.4

    Language:Japanese  

    Venue:東京  

    国内学会

  • 寺岡行雄・竹内郁雄・荒木美喜   モウソウチク林の林分構造と現存量  

    第61回日本林学会九州支部大会  第61回日本林学会九州支部大会

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    Event date: 2005.10

    Language:Japanese  

    Venue:熊本  

    国内学会

  • 寺岡行雄   「儲かる林業研究会」の設立について  

    第61回日本林学会九州支部大会  第61回日本林学会九州支部大会

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    Event date: 2005.10

    Language:Japanese  

    Venue:熊本  

    国内学会

  • 寺岡行雄・合志知浩   スギ末木枝条の野外乾燥のモデル化  

    第116回日本森林学会大会  第116回日本森林学会大会

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    Event date: 2005.4

    Language:Japanese  

    Venue:北海道  

    国内学会

  • 合志知浩・寺岡行雄   スギ末木枝条の乾燥過程について-野外での自然乾燥-  

    第60回日本林学会九州支部大会  第60回日本林学会九州支部大会

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    Event date: 2004.10

    Language:Japanese  

    Venue:鹿児島  

    国内学会

  • 寺岡行雄・合志知浩   スギ末木枝条の乾燥過程について-制御環境下での乾燥-  

    第60回日本林学会九州支部大会  第60回日本林学会九州支部大会

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    Event date: 2004.10

    Language:Japanese  

    Venue:鹿児島  

    国内学会

  • TERAOKA, Y. and GOUSHI, T.   Calorific value estimation of slash as logging residues after biological-drying   International conference

    International symposium on the role of forests for coming generations (in Utsunomiya University)  International symposium on the role of forests for coming generations (in Utsunomiya University)

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    Event date: 2004.10

    Language:English  

    Venue:栃木  

    国際学会

  • Teraoka Yukio, Maeda Kiyomizu   Characteristics of fuel supply for wood chip boilers in Kagoshima Prefecture  

    The Japanese Forest Society Congress  2015  THE JAPANESE FORESTRY SOCIETY

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    Language:Japanese  

    [in Japanese]

  • 寺岡 行雄   九州における 林業・木材産業の展開と技術者養成  

    第2回日独林業シンポジウム  2017.11 

  • 寺岡 行雄   新しい林業の展開について  

    造士館講座 夏期集中講座  2017.8 

  • 寺岡 行雄   林業もスマート化 -ICTの活用で林業は変われるか?-  

    長崎県林業コンサルタンツ50周年記念  2017.10 

  • 寺岡 行雄   鹿児島における 二酸化炭素排出量削減への 森林・木材の貢献  

    きゅうでん環境セミナー2017  2017.6 

  • TERAOKA Yukio   Problems and perspectives for using woody biomass in islands societies  

    The Japanese Forest Society Congress  2006  THE JAPANESE FORESTRY SOCIETY

  • Fukumoto Keiko, Ota Tetsuji, Mizoue Nobuya, Yoshida Shigejiro, Teraoka Yukio, Kajisa Tsuyoshi   Time consumption model for vegetation management using vegetation height  

    The Japanese Forest Society Congress  2016  THE JAPANESE FORESTRY SOCIETY

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    Language:Japanese  

    [in Japanese]

  • Itaya Yosuke, Kajisa tsuyoshi, Oono Katsumasa, Teraoka Yukio   Detection of large diameter conifer trees by analyzing Airborne LiDAR date and field survey using QZS-1  

    The Japanese Forest Society Congress  2016  THE JAPANESE FORESTRY SOCIETY

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    Language:Japanese  

    [in Japanese]

  • Kajisa Tsuyoshi, Kamata Yusei, Teraoka Yukio   Measurement of Tree height by combination of aerial LiDAR-DTM and UAV-SfM  

    The Japanese Forest Society Congress  2016  THE JAPANESE FORESTRY SOCIETY

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    Language:Japanese  

    [in Japanese]

  • Fukumoto Keiko, Teraoka Yukio   Competitive relation between planted and broad leaved trees in non-weeding Sugi(Cryptomeria japonica) young stands –the features of invaded broad leaved tree species at different slope positions-  

    The Japanese Forest Society Congress  2013  THE JAPANESE FORESTRY SOCIETY

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    Language:Japanese  

  • Teraoka Yukio   The conditions of stable fuel supply from both forest resources and timber production view points  

    The Japanese Forest Society Congress  2016  THE JAPANESE FORESTRY SOCIETY

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    Language:Japanese  

    [in Japanese]

  • NOBORI Yoshihiro, TATSUHARA Satoshi, YOSHIMOTO Atsushi, TERAOKA Yukio, ITO Taiichi   In the Forefront of Forest Planning : Current Study Cultivating for Plenty Forest  

    2005.12  Japanese Forestry Society

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    Language:Japanese  

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  • KITAHARA KENTAROU, TERAOKA YUKIO, TAJISA TSUYOSHI   Radio attenuation Impact in Forest  

    The Japanese Forest Society Congress  2021  THE JAPANESE FORESTRY SOCIETY

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    Language:Japanese  

    <p>[in Japanese]</p>

  • 迫田 章義, 寺岡 行雄, 高梨 啓和   森林バイオマスシンポジウム : 山を動かす  

    環境科学会誌 = Environmental science  2010.11 

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    Language:Japanese  

  • OKUYAMA Yoichiro, TERAOKA Yukio, HIRATA Kunihiro   An attribute and learning effect for the students of forestry engineer training program  

    The Japanese Forest Society Congress  2011  THE JAPANESE FORESTRY SOCIETY

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    Language:Japanese  

  • 寺岡 行雄   林業技術者養成への取り組み  

    森林科学  2010  日本森林学会

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  • TERAOKA Yukio   The current state and perspectives of woody biomass fuel use:from the kyushu region case studies  

    The Japanese Forest Society Congress  2010  THE JAPANESE FORESTRY SOCIETY

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  • TERAOKA Yukio, IJICHI Syuta   Moisture contents and economical values of woody chips for chip-boiler fuel  

    The Japanese Forest Society Congress  2011  THE JAPANESE FORESTRY SOCIETY

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  • SAHODA MACHIKO, KAJISA TSUYOSHI, TERAOKA YUKIO   Individual identification of digital log images using fingerprint recognition technology  

    The Japanese Forest Society Congress  2021  THE JAPANESE FORESTRY SOCIETY

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    Language:Japanese  

    <p>[in Japanese]</p>

  • TATSUHARA Satoshi, KATOH Masato, TERAOKA Yukio   International symposium on the role of forests for coming generations : Philosophy and technology for forest resource management  

    Japanese Journal of Forest Planning  2005  Japan Society of Forest Planning

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  • YOSHIDA SHIGEJIRO, KAGA HIDEAKI, TERAOKA YUKIO, MURAKAMI TAKUHIKO   Repots on the bioenergy utilization in northern kyushu  

    The Japanese Forestry Society Congress Database  2003  The Japanese Forestry Society

  • TERAOKA Yukio   Direction of woody biomass use and supply from the view point of current situations.  

    The Japanese Forest Society Congress  2009  THE JAPANESE FORESTRY SOCIETY

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  • Teraoka Yukio, Sato Masamune   The feasibility of wood fuel production for power in Kyushu region  

    The Japanese Forest Society Congress  2013  THE JAPANESE FORESTRY SOCIETY

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  • teraoka yukio   FIT projects in Kyushu region  

    The Japanese Forest Society Congress  2014  THE JAPANESE FORESTRY SOCIETY

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  • TERAOKA Yukio, INAGAKI Ryohei   Log drying process in a field  

    The Japanese Forest Society Congress  2008  THE JAPANESE FORESTRY SOCIETY

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  • Yamashita Moriaki, Teraoka Yukio   The operational volume and the growth of planted sugi different weeding frequencies  

    The Japanese Forest Society Congress  2013  THE JAPANESE FORESTRY SOCIETY

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  • Takeuchi Ikuo, Teraoka Yukio, Kumemura Akira   Regeneration of new bamboo shoots under different cutting season and width in Phyllostachys stand  

    The Japanese Forest Society Congress  2009  THE JAPANESE FORESTRY SOCIETY

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    Language:Japanese  

  • Omura Yasuaki, Takeuchi Ikuo, Teraoka Yukio, Sato Yutaka   Growth of Acacia hybrid man-made young stands in Borneo  

    The Japanese Forest Society Congress  2007  THE JAPANESE FORESTRY SOCIETY

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    Language:Japanese  

  • TERAOKA Yukio, GOUSHI Tomohiro   Modeling in biological drying process of a Sugi slash pile  

    The Japanese Forest Society Congress  2005  THE JAPANESE FORESTRY SOCIETY

  • TERAOKA Yukio, ASATO Isao, SHINOKA Hiroshi   Growth of Akagi (Bischofia javanica Blume) planting trees and coppice stands:challenge for an energy plantation  

    The Japanese Forest Society Congress  2007  THE JAPANESE FORESTRY SOCIETY

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    Language:Japanese  

  • Kajisa Tsuyoshi, Teraoka Yukio, Taira Kazuma   Tree height estimation by SfM with UAV photogrammetry from different flying height.  

    The Japanese Forest Society Congress  2021  THE JAPANESE FORESTRY SOCIETY

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    Language:Japanese  

    <p>[in Japanese]</p>

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Works

  • 日本サステイナブルコミュニティ協会勉強会的討論ウェビナー「地域の可能性をエネルギーから考察する~バイオマス編~」

    コーディネーター:日本総合研究所主席研究員・藻谷浩介氏、JSC-A副代表理事:乾正博氏 外100名程度

    2020.9

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    第2回目となる今回は、岡山県西粟倉村 地方創生推進室 地方創生特任参事・上山隆浩氏、愛媛県内子町森林組合 参事・大鍋直幸氏、鹿児島大学 農学部 農林環境科学科教授・寺岡行雄氏をお招きし、山の整備の重要性、林業のこれからの役割について議論を交わした。

  • バイオマスエネルギー導入コストへの市民意識調査

    2000

Research Projects

  • 森林境界明確化のための高画質中継による遠隔合意形成

    2020.7 - 2021.3

    総務省  令和2年度予算 IoTの安心・安全かつ適正な利用環境の構築 (IoT利用環境の適正な運用及び整備等に資するガイドライン等策定) 

    寺岡行雄

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    Authorship:Principal investigator  Grant type:Competitive

    Grant amount:\16421818

  • スマート林業実現のための要素技術開発に関する調査・研究

    2019.7 - 2020.6

    民間企業  一般受託研究 

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    山村地域活性化に資するICT 等のスマート林業実現に必要となる要素
    技術の最前線の開発者を調査し、効率的で安全な地域の儲かる林業作りに使える技術を紹介・普及する。

  • ICTを活用した木材SCMシステムの構築

    2016.8 - 2020.3

    農林水産技術会議  革新的技樹t開発・緊急展開事業(うち地域戦略プロジェクト) 

    仁多見俊夫

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    Grant amount:\146945000

    木材需要者(製材業等)からの注文を受けて原木の採材を行う仕組みに変える。素材は無駄なく確実に購入してもらえ、木材需要者は必要となる原木を探す手間と時間、在庫コストを減らすことができる。需要側のコスト削減分を原木価格に上乗せすることで、高収益型木材生産・流通システムを構築する。

  • ICTを活用した木材SCMシステムの構築

    2016.4

    農林水産省  「革新的技術開発・緊急展開事業」(うち地域戦略プロジェクト) 

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    Grant type:Competitive

  • Study on Forest Management System

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  • Study on woody biomass utilization

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  • Woody Biomass in energy use

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Teaching Experience

  • 地域計画学

    2018.4
    Institution:鹿児島大学

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    Level:Undergraduate (specialized) 

  • 国際森林論

    Institution:鹿児島大学

  • 森林航測論

    Institution:鹿児島大学

  • 森林計測学

    Institution:鹿児島大学

  • 森林計画学

    Institution:鹿児島大学

  • 測量学Ⅱ

    Institution:鹿児島大学

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