Faculty Profiles - HIRANO, Yasuhiro

Papers - HIRANO, Yasuhiro

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Intraspecific variation in root system structure in a Pinus thunbergii stand grown in a gravelly spit coast Reviewed International journal

Yasuhiro Hirano, Chikage Todo, Toko Tanikawa, Keitaro Yamase, Mizue Ohashi, Masako Dannoura, Yuki Okamoto, Ryuusei Doi, Gen Yoshida, Hidetoshi Ikeno

Journal of Forest Research 2024.11

Fine root litter traits of Chamaecyparis obtusa Reviewed International journal

Gen Yoshida, Ryuusei Doi, Ryusei Wada, Toko Tanikawa, Yasuhiro Hirano

Ecological Indicators Vol. 142 page： 109276 2022.8

2020 年 7 月に倒木化した岐阜県大湫町神明大杉の根系状況 Reviewed

平野恭弘・南光一樹・土居龍成・西村澪・杁山哲矢・谷川東子

根の研究 Vol. 30 ( 3 ) page： 65 - 75 2021.9

Forest management and root systems in changing climatic conditions Invited Reviewed International coauthorship International journal

Finér L, Ohashi M, Hirano Y, Repo T

Journal of Forest Research 2024.8

Effect of sprouting and corresponding root distribution of the shrub species Eurya japonica on slope stability Reviewed International journal

Keitaro Yamase, Hidetoshi Ikeno, Norifumi Hotta, Mai Imawaka, Mizue Ohashi, Toko Tanikawa, Chikage Todo, Masako Dannoura, Yasuhiro Hirano

CATENA page： 107869 2024.2

Improving models of fine root carbon stocks and fluxes in European forests Reviewed International coauthorship

Neumann M, Godbold DL, Hirano Y, Finér L

Journal of Ecology Vol. 108 page： 496-514 2020.3

Quantification of the contrasting root systems of Pinus thunbergii in soils with different groundwater levels in a coastal forest in Japan Reviewed

Hirano Y, Todo C, Yamase K, Tanikawa T, Dannoura M, Ohashi M, Doi R, Wada R, Ikeno H

Plant and Soil Vol. 426 page： 327-337 2018.5

Biomass and morphology of fine roots in eight Cryptomeria japonica stands in soils with different acid-buffering capacities Reviewed

Hirano Y, Tanikawa T, Makita N

Forest Ecology and Management Vol. 384 page： 122-131 2017.1

Fine root production and turnover in forest ecosystems in relation to stand and environmental characteristics Reviewed International coauthorship

Leena Finer, Mizue Ohashi, Kyotaro Noguchi, Yasuhiro Hirano

Forest Ecology and Management Vol. 262 page： 2008-2023 2011.12

Limiting factor in the detection of tree roots using ground-penetrating radar Reviewed

Yasuhiro Hirano, Masako Dannoura, Kenji Aono, Tetsurou Igarashi, Masahiro Ishii, Keitarou Yamase, Naoki Makita, Yoichi Kanazawa

Plant and Soil Vol. 319 page： 15-24 2009.6

Recent advances in the understanding of the development and functions of roots in forest ecosystems

Naoki Makita, Karibu Fukuwzawa, Masako Dannoura, Yasuhiro Hirano

Journal of Forest Research 2025.4

Mission impossible? Criteria for judging dead fine roots in forest field studies Reviewed

Mizue Ohashi,Naoki Makita, Masako Dannoura, Karibu Fukuzawa &Yasuhiro Hirano

Journal of Forest Research page： 1 - 10 2025.2

Soil acidity accelerates soil organic matter decomposition in Cryptomeria japonica stands and Chamaecyparis obtusa stands Reviewed

Hayashi R, Maie N, Wagai R, Hirano Y, Matsuda Y, Okamoto T, Wada R, Tanikawa T

Plant and Soil Vol. 464 page： 627 - 649 2024.1

持続可能な住民活動のための竹林管理計画手法の研究　 ―東浦自然環境学習の森を事例としてー Reviewed

佐藤則子・勝浦柊・紀平真理子・張馨・川口暢子・宮坂隆文・加藤博和・平野恭弘・山下博美

環境共生 2024

京都府南部の山城試験地 (YMS) 流域における2000–2004年度の水質モニタリング ―森林降水渓流水質データベースとの比較から明らかになった水質の特徴― Reviewed

金子真司・古澤仁美・岡本透・玉井幸治・平野恭弘

森林総合研究所研究報告 Vol. 22 ( 2 ) page： 51 - 72 2023.6

Contrasting patterns of nitrogen release from fine roots and leaves driven by microbial communities during decomposition Reviewed International coauthorship International journal

Tanikawa T, Maie N, Fujii S, Sun L, Hirano Y, Mizoguchi T, Matsuda Y

Science of The Total Environment Vol. 855 ( 1 ) page： 158809 2023.1

An increase of fine-root biomass in nutrient-poor soils increases soil organic matter but not soil cation exchange capacity Reviewed International journal

Hayashi R, Maie N, Wagai R, Hirano Y, Matsuda Y, Makita N, Mizoguchi T, Wada R, Tanikawa T

Plant and Soil Vol. 482 page： 89 - 110 2023.1

Maximum rooting depth of Pinus thunbergii Parl. estimated with depth at the center point of rotation in a tree-pulling experiment in a coastal forest in Japan Reviewed

Todo C, Yamase K, Ikeno H, Tanikawa T, Ohashi M, Hirano Y

Forests Vol. 13 ( 9 ) page： 1506 2022.9

3D reconstruction using Structure-from-Motion: a new technique for morphological measurement of tree root systems Reviewed

Okamoto Y, Ikeno H, Hirano Y, Tanikawa T, Yamase K, Todo C, Dannoura M, Ohashi M

Plant and Soil Vol. 477 page： 829 - 841 2022.5

Empirical Study on Investigation of Elementary School Students’ Awareness on Woody Biomass Energy in Kiso Town Reviewed International coauthorship

KOYAMA S, DOEDT C, KHAN U, KAKIMOTO Y, MIYASAKA T, KATO H, YAMASHITA H, HIRANO Y, KAWAMURA N, SUGIYAMA N

Journal of Human and Environmental Symbiosis Vol. 38 ( 1 ) page： 109 - 118 2022.3

Dissolved organic matter (DOM) in a warm-temperate forested watershed – A possibility of ultraviolet absorbance as an indicator of DOM Reviewed

Kaneko S, Furusawa H, Okamoto T, Hirano Y

Forests Vol. 13 ( 4 ) page： 510 2022.3

Can ground-penetrating radar detect adjacent roots and rock fragments in forest soil? Reviewed

Tanikawa, T., Ikeno, H., Yamase, K., Dannoura, M., Aono, K., Hirano Y.

Plant and Soil Vol. 468 page： 239 - 257 2021.11

秋田県の海岸砂丘に生育するクロマツおよび植栽広葉樹数種の根系分布 Reviewed

新田響平・野口宏典・太田敬之・小野賢二・萩野裕章・野口享太郎・大谷達也・宇川裕一・小森谷あかね・谷川東子・平野恭弘・鈴木　覚

森林総合研究所研究報告 Vol. 20 ( 3 ) page： 169 - 184 2021.10

海岸防災林造成を目的として植栽された広葉樹とクロマツの土壌特性に基づく成長と根系発達 Reviewed

太田敬之・新田響平・宇川裕一・小野賢二・萩野裕章・谷川東子・大谷達也・平野恭弘・小森谷あかね・野口宏典

森林総合研究所研究報告 Vol. 20 ( 3 ) page： 195 - 204 2021.10

Reconstruction of Conifer Root Systems Mapped with Point Cloud Data Obtained by 3D Laser Scanning Compared with Manual Measurement Reviewed

Chikage Todo, Hidetoshi Ikeno, Keitaro Yamase, Toko Tanikawa, Mizue Ohashi, Masako Dannoura, Toshifumi Kimura, Yasuhiro Hirano

Forests Vol. 12 ( 8 ) page： 1117 2021.8

A quantitative evaluation of soil mass held by tree roots Reviewed

Tanikawa T, Ikeno H, Todo C, Yamase K, Ohashi M, Okamoto T, Mizoguchi T, Nakao K, Kaneko S, Torii A, Inagaki Y, Nakanishi A, Hirano Y

Trees Vol. 35 page： 527 - 541 2021.4

Dynamics of soil reinforcement by roots in a regenerating coppice stand of Quercus serrata and effects on slope stability Reviewed

Yamase K, Todo C, Torii N, Tanikawa T, Yamamoto T, Ikeno H, Ohashi M, Dannoura M, Hirano Y

Ecological Engineering Vol. 162 page： 106169 2021.4

Morphological traits of Chamaecyparis obtusa fine roots are sensitive to soil acid buffering capacity Reviewed

Doi R, Tanikawa T, Wada R & Hirano Y

Plant and Soil Vol. 452 page： 73-85 2020.5

Estimating slope stability by lateral root reinforcement in thinned and unthinned stands of Cryptomeria japonica using ground-penetrating radar Reviewed

Yamase K, Tanikawa T, Dannoura M, Todo C, Yamamoto T, Ikeno H, Ohashi M Aono K, Doi R, Hirano Y

Catena Vol. 183 2019.12

Variation in the morphology of fine roots in Cryptomeria japonica determined by branch order-based classification Reviewed

Wada R, Tanikawa T, Doi R, Hirano Y

Plant and Soil Vol. 444 ( 1-2 ) page： 139-151 2019.11

Reconstruction of root systems in Cryptomeria japonica using root point coordinates and diameters Reviewed

M Ohashi, H Ikeno, K Sekihara, T Tanikawa, M Dannoura, K Yamase, C Todo, T Tomita, Y Hirano

Planta Vol. 249 ( 1 ) page： 445-455 2019.2

Stability of Pinus thunbergii between two contrasting stands at differing distances from the coastline Reviewed

Todo C, Tokoro C, Yamase K, Tanikawa T, Ohashi M, Ikeno H, Dannoura M, Miyatani K, Doi R, Hirano Y

Forest Ecology and Management Vol. 431 ( 1 ) page： 44-53 2019.1

地中レーダを用いた樹木根の非破壊検出と根系構造推定 Invited

平野恭弘

システム/制御/情報 Vol. 62 ( 12 ) page： 502-507 2018.12

Leachate from fine root litter is more acidic than leaf litter leachate: A 2.5-year laboratory incubation Reviewed

Tanikawa T, Fujii S, Sun L, Hirano Y, Matsuda Y, Miyatani K, Doi R, Mizoguchi T, Maie N

Science of the Total Environment Vol. 645 page： 179-191 2018.12

Ground-penetrating radar estimates of tree root diameter and distribution under field conditions Reviewed

Yamase K, Tanikawa T, Dannoura M, Ohashi M, Todo C, Ikeno H, Aono K, Hirano Y

Trees Vol. 32 ( 6 ) page： 1657-1668 2018.12

ENSO- and rainfall-sensitive vegetation regions in Indonesia as identified from multi-sensor remote sensing data Reviewed International coauthorship

Arjasakusuma, S., Yamaguchi, Y., Hirano, Y., and Zhou, X.

ISPRS International Journal of Geo-Information Vol. 7 ( 3 ) page： 103 2018.3

Relationships between specific root length and respiration rate of fine roots across stands and seasons in Chamaecyparis obtusa Reviewed

Miyatani K, Tanikawa T, Makita N, Hirano Y

Plant Soil Vol. 423 page： 215-227 2018.2

Calcium is cycled tightly in Cryptomeria japonica stands on soils with low acid buffering capacity Reviewed

Tanikawa, T., Ito Y., Fukushima S., Yamashita, M., Sugiyama, A., Mizoguchi, T., Okamoto, T., Hirano, Y.

Forest Ecology and Management Vol. 399 page： 64-73 2017.9

斜面地におけるコナラ（Quercus serrata Murray）の根系分布と引き抜き抵抗力 Reviewed

山瀬敬太郎，藤堂千景，矢倉質喜，平野恭弘

日本緑化工学会誌 Vol. 43 page： 133-137 2017.8

Intraspecific variation in morphological traits of root branch orders in Chamaecyparis obtusa Reviewed

Doi R, Tanikawa T, Miyatani K, Hirano Y

Plant and Soil Vol. 416 page： 503-513 2017.7

Leaf litter thickness, but not plant species, can affect root detection by ground penetrating radar Reviewed

Tanikawa, T., Ikeno, T., Dannoura, M., Yamase, K., Aono, K., Hirano, Y.

Plant and Soil Vol. 408 page： 271-283 2016.11

Fine root traits in Chamaecyparis obtusa forest soils with different acid buffering capacities Reviewed

Miyatani K, Mizusawa Y, Okada K, Tanikawa T, Makita N, Hirano Y

Trees Vol. 30 page： 415-429 2016.4

Applicability of the net sheet method for estimating fine root production in forest ecosystems Reviewed International coauthorship

Ohashi M, Nakano A, Hirano Y, Noguchi K, Ikeno H, Fukae R, Yamase K, Makita N, Finer L

Trees Vol. 30 page： 571-578 2016.4

同心円状レーダ探索による海岸に生育するクロマツ個体の水平根の広がりの検出 Reviewed

大橋瑞江・柿添哲也・池野英利・山瀬敬太郎・谷川東子・檀浦正子・青野健治・藤堂千景・平野恭弘

日本緑化工学会誌 Vol. 41 ( 3 ) page： 385-390 2016.2

Intraspecific variation in fine root respiration and morphology in response to in situ soil nitrogen fertility in a 100-year-old Chamaecyparis obtusa forest Reviewed

Makita N, Hirano Y, Sugimoto T, Tanikawa T, Ishii H

Oecologia Vol. 179 page： 959-967 2015.11

減災の観点から樹木根系を非破壊的に推定する地中レーダ法の現状と課題 Reviewed

平野恭弘, 山瀬敬太郎, 谷川東子, 檀浦正子, 大橋瑞江, 藤堂千景, 池野英利　

日本緑化工学会誌 Vol. 41 ( 2 ) page： 319-325 2015.11

異なる土壌環境下における根系構造と引き抜き抵抗力との関係 Reviewed

山瀬敬太郎, 谷川東子, 池野英利, 藤堂千景, 大橋瑞江, 檀浦正子, 平野恭弘

日本緑化工学会誌 Vol. 41 ( 2 ) page： 301-307 2015.11

間伐がスギの最大引き倒し抵抗モーメントにもたらす影響 Reviewed

藤堂千景・山瀬敬太郎・谷川東子・大橋瑞江・池野英利・檀浦正子・平野恭弘

日本緑化工学会誌 Vol. 41 ( 2 ) page： 308-314 2015.11

Calibrating the impact of root orientation on root quantification using ground-penetrating radar Reviewed International coauthorship

Guo L, Wu Y, Chen J, Hirano Y, Tanikawa T, Li W, Cui X

Plant and Soil Vol. 395 page： 289-305 2015.6

低木樹種2種の根系による崩壊防止力の検討 Reviewed

山瀬敬太郎，藤堂千景，平野恭弘

日本緑化工学会誌 Vol. 41 ( 1 ) page： 15-20 2015

Acidification processes in soils with different acid buffering capacity in Cryptomeria japonica and Chamaecyparis obtusa forests over two decades. Reviewed

Tanikawa, T., Sobue, A., Hirano, Y.

Forest Ecology and Management Vol. 334 page： 284-292 2014.12

Reply to Comment on root orientation can affect detection accuracy of ground-penetrating radar Reviewed

Tanikawa, T., Dannoura, M., Yamase, Ikeno, H., Hirano, Y.

Plant and Soil Vol. 380 page： 445-450 2014

臨床環境学教育プログラムにおいて大学院生の異分野協働に見られる特徴と課題 Reviewed

萩原和，永井裕人，千葉啓広，富田啓介，冨吉満之，加藤博和，清水裕之，河村則之，平野恭弘，田代喬，山下博美

環境共生 Vol. 24 page： 71-78 2014

Fine-root turnover rates of European forests revisited: an analysis of data from sequential coring and ingrowth cores Reviewed International coauthorship

Brunner, I., Bakker, MR., Björk, RG., Hirano, Y., Lukac, M., Aranda, X., Børja, I., Eldhuset, TD., Helmisaari, HS., Jourdan, C., Konôpka, B., López, BC., Miguel Pérez, C., Persson, H., Ostonen, I.

Plant and Soil Vol. 362 page： 357-372 2013.1

Effect of excising and washing treatments on the root respiration rates of Japanese cedar (Cryptomeria japonica) seedlings Reviewed

Naoki Makita, Ryoko Yaku, Mizue Ohashi, Keisuke Fukuda, Hidetoshi Ikeno, Yasuhiro Hirano

Journal of Forest Research Vol. 18 page： 379-383 2013

Root orientation can affect detection accuracy of ground-penetrating radar Reviewed

Tanikawa T, Hirano Y, Dannoura M, Yamase K, Aono K, Ishii M, Igarashi T, Ikeno H, Kanazawa Y

Plant Soil Vol. 373 page： 317-327 2013

Automated analysis of fine root dynamics using a series of digital images Reviewed International coauthorship

Aiko Nakano, Hidetoshi Ikeno, Toshifumi Kimura, Hiromichi Sakamoto, Masako Dannoura,Yasuhiro Hirano, Naoki Makita, Leena Finér and Mizue Ohashi

Journal of Plant Nutrition and Soil Science Vol. 175 page： 775-783 2012.10

Detection frequency of Pinus thunbergii roots by ground-penetrating radar is related to root biomass Reviewed

Yasuhiro Hirano, Rika Yamamoto, Masako Dannoura, Kenji Aono, Tetsurou Igarashi, Masahiro Ishii, Keitarou Yamase, Naoki Makita, Yoichi Kanazawa

Plant and Soil Vol. 360 page： 363-373 2012.6

Contrasting reactions of roots of two coniferous tree species to aluminum stress Reviewed International coauthorship

Yasuhiro Hirano, Beat Frey, Ivano Brunner

Environmental and Experimental Botany Vol. 77 page： 12-18 2012.4

Soil base saturation affects root growth of European beech seedlings Reviewed International coauthorship

Anika K. Richter, Yasuhiro Hirano, Jorg Luster, Emmanuel Frossard, Ivano Brunner

Journal of Plant Nutrition and Soil Science Vol. 174 page： 408-419 2011.6

Factors causing variation in fine root biomass in forest ecosystems Reviewed International coauthorship

Leena Finer, Mizue Ohashi, Kyotaro Noguchi, Yasuhiro Hirano

Forest Ecology and Management Vol. 261 ( 2 ) page： 265-277 2011.1

Very fine roots respond to soil depth: biomass allocation,morphology, and physiology in a broad-leaved temperate forest Reviewed International coauthorship

Naoki Makita, Yasuhiro Hirano, Takeo Mizoguchi, Yuji Kominami, Masako Dannoura, Hiroaki Ishii, Leena Finer, Yoichi Kanazawa

Ecological Research Vol. 26 ( 1 ) page： 95-104 2011.1

A new method for placimg and lifting root meshes for estimating fine root production in forest ecosystems Reviewed International coauthorship

Yasuhiro Hirano, Kyotaro Noguchi, Mizue Ohashi, Takuo Hishi, Naoki Makita, N. Saori Fujii, Leena Finer

Plant Root Vol. 3 page： 16-21 2009.12

ブロックサンプリング法，トレンチ法，地中レーダ法によるアカマツ林の根現存量および根系分布の推定 Reviewed

牧田直樹・平野恭弘・檀浦正子・山瀬敬太郎・青野健治・五十嵐鉄朗・石井政博・金澤洋一

根の研究 Vol. 18 page： 39-47 2009.6

Fine root morphological traits determine variation in root respiration of Quercus serrata Reviewed

Naoki Makita, Yasuhiro Hirano, Masako Dannoura, Yuji Kominami, Takeo Mizoguchi, Hiroaki Ishii, Yoichi Kanazawa

Tree Physiology Vol. 29 page： 579-585 2009.4

Detection of Cryptomeria japonica roots with ground penetrating radar Reviewed

Masako Dannoura, Yasuhiro Hirano, Tetsurou Igarashi, Masahiro Ishii, Kenji Aono, Keitarou Yamase, Yoichi Kanazawa

Plant Biosystems Vol. 142 page： 375-380 2008.8

Tree fine roots Ca/Al molar ratio -indicator of Al and acidity stress Reviewed International coauthorship

Vanguelova, E., Hirano, Y., Eldhuset, T., Sas-Paszt, L., Bakker, M., Püttsepp, Ü., Brunner, I., Lõhmus, K., Godbold, D.

Vol. 141 page： 460-480 2007.11

Root parameters of forest trees as sensitive indicators of acidifying pollutants-a review of research of Japanese forest trees- Reviewed International coauthorship

Vol. 12 page： 134-142 2007.4

Development and functions of roots of forest trees in Japan

Hirano, Y., Noguchi, K., Miura, S.

Journal of Forest Research Vol. 12 page： 75-77 2007.4

Nitrogen budget in a rehabilitated forest on a degraded granitic hill Reviewed

Kaneko, S., Akieda, N., Naito, Y., Tamai, K., Hirano Y.

Journal of Forest Research Vol. 12 page： 38-44 2007.2

Exudations of organic acid anions from poplar roots after exposure to Al, Cu and Zn. Reviewed International coauthorship

Qin, R.J., Hirano, Y., Brunner, I.

Vol. 27 page： 313-320 2007.2

Quantitative callose determination of tree roots Reviewed International coauthorship

Hirano, Y., Brunner, I.

Vol. 163 page： 1333-1336 2006.12

Callose in root apices of European chestnut seedlings: a physiological indicator of aluminum stress. Reviewed International coauthorship

Hirano, Y., Walthert, L., Brunner, I.

Tree Physiology Vol. 26 page： 431-440 2006.4

Measurement of root respiration using potted Japanese cedar Reviewed

Dannoura, M., Kominami, Y., Hirano, Y., Kanazawa, Y., Goto, Y.

Memoirs of Graduate School of Science and Technology Kobe University Vol. 23A page： 67-73 2005

Induction of callose in roots of Norway spruce seedlings after short-term exposure to aluminum Reviewed International coauthorship

Hirano, Y., Graf-Pannatier, E., Zimmermann, S., Brunner, I.

Tree Physiology Vol. 24 page： 1279-1283 2004.11

京都府の森林流域における渓流水中の溶存鉄およびアルミニウム濃度の経時変動 Reviewed

金子真司　平野恭弘　深山隆文　古澤仁美

森林応用研究 Vol. 12 ( 2 ) page： 93-97 2003.9

Root morphology and nutritional status of Japanese red cedar saplings subjected to in situ levels of aluminum in forest-soil solution Reviewed

Hirano, Y., Isomura, A., Kaneko, S.

Journal of Forest Research Vol. 8 page： 209-214 2003.8

Effects of elevated nitrate and aluminum concentrations on the root morphology and nutrient status of white roots of Japanese red cedar saplings Reviewed

Hirano, Y., Tanda, Y., Kaneko, S

Vol. 10 page： 261-272 2003

Effects of aluminum on the root morphology of Japanese red cedar and Hinoki cypress seedlings

Hirano, Y.

In Labrecque, M.(ed) L'ARBRE 2000 THE TREE page： 339-344 2001

Root system responses of Japanese red cedar saplings to acidic conditions Reviewed

Hirano, Y., Hijii, N.

Vol. 42 page： 115-124 2000.10

Root response of Hinoki cypress seedlings to various levels of Ca/Al molar ratio Reviewed

Hirano, Y., Matsumoto, C., Takenaka, C.

Vol. 7 page： 71-82 2000

Effects of low pH and aluminum on root morphology of Japanese red cedar saplings Reviewed

Hirano, Y., Hijii, N.

Vol. 101 page： 339-347 1998

モデル実験系における酸性物質のスギ苗根系に与える影響 Reviewed

平野恭弘

名古屋大学森林科学研究 Vol. 17 page： 25-74 1998

Effects of acidic solutions applied to above- and/or below-ground parts on the root systems of Japanese red cedar saplings Reviewed

Hirano, Y., Yokota, T., Hijii, N.

Vol. 5 page： 145-158 1997

Responses of root production in Japanese red cedar (Cryptomeria japonica D. Don) saplings to duration of treatment with acidic solutions Reviewed

Hirano, Y., Yokota, T., Hijii, N.

Nagoya University Forest Science Vol. 16 page： 1-6 1997

Effects of the absorption of artificial acidic solutions on the root systems of Japanese red cedar (Cryptomeria japonica D. Don) cuttings and saplings Reviewed

Hirano, Y., Yokota, T.

Journal of Forest Research Vol. 1 page： 17-22 1996

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Papers - HIRANO, Yasuhiro