OKADA Naoki 岡田直紀

Researcher Number	40335302
Other IDs
External Links
Affiliation (based on the past Project Information) *help	2016 – 2018: 京都大学, 地球環境学堂, 准教授 2015: 京都大学, 大学院農学研究科, 准教授 2012 – 2013: 京都大学, 地球環境学堂, 准教授 2011 – 2013: 京都大学, その他の研究科, 准教授 2011: 京都大学, (連合)農学研究科(研究院), 准教授 … More 2008 – 2011: Kyoto University, 農学研究科, 准教授 2007 – 2008: 京都大学, (連合)農学研究科(研究院), 准教授 2001 – 2006: 京都大学, 農学研究科, 助教授 Less
Review Section/Research Field	Principal Investigator Forest science / Forest science / 林学・森林工学 Except Principal Investigator Ecology/Environment / 林学・森林工学 / 林産学 / Forest science
Keywords	Principal Investigator 熱帯山地林 / 熱帯季節林 / 成長輪 / 熱帯樹木 / 乾燥常緑林 / 落葉フタバガキ林 / 高電圧パルスマーキング / 水素・酸素同位体比 / 酸素同位体比 / 降水 … More / 年輪 / 酸素同位体 / Water potential / Vessel density / Vessel lumen area / Hydraulic conductivity / Tropical montane forest / Dipterocarpaceae / Tropical seasonal forest / Wood anatomy / 低地フタバガキ林 / 最大樹高 / 栄養塩 / 道管径 / タイ熱帯季節林 / 道管内腔 / キナバル山 / 根の深さ / 水素同位体比 / 樹液流速 / 材密度 / 木部構造 / 窒素利用効率 / 最大光合成速度 / 水ポテンシャル / 道管密度 / 道管内腔面積 / 水分通導度 / フタバガキ科 / 木材解剖学 / 季節熱帯 / 湿潤熱帯 / 半島マレーシア / タイ / 形成層マーキング / 高電圧パルス / 形成層 / 炭化材 / 年代測定 / 植物珪酸体分析 / 混合落葉林 / ^<14>C年代 / 炭化木片 / 乾燥落葉林 / 北タイ / 植生変遷 / 森林火災 / 植物珪酸体 … More Except Principal Investigator Throughfall / Stemflow / Evergreen forest / Sulfur isotope ratio / S0_2 gas / Aerosol / Dry deposition / KOSA / トレーサー試験 / コジイ / 林外雨 / 樹間流 / 林内雨 / 樹幹流 / コジイ林 / 硫黄同位体比 / SO_2ガス / エアロゾル / 乾性降下物 / 黄砂 / Thailand Malaysia / International collaborative research / Soil moisture content / Water potential / Phenology / Cambium / Dendrochronology / Tropical trees / 国際研究者交流 / 水ポテンシヤル / タイ:マレーシア / 国際共同研究 / 土壌含水率 / 水ポテンシャル / フェノロジー / 形成層 / 年輪年代学 / 熱帯樹木 / 触媒効果 / 天然更新 / 炭素蓄積量 / 同位体比 / 森林再生化 / 土壌炭素 / 荒廃草地造林 / タイ国 / 炭素同位体比 / 森林現存量 / 森林再生下 / バイオマス / 土壌 / 炭素安定同位体比 / 炭素プール / 人工林 / 草地 / 熱帯季節林 / 生理生態 / 集団内変異 / 水ストレス / 乾燥植生 / 気象観測 / 沈降逆転層 / 植物学 / 気象変動 / 気候変動 / 森林限界 / トライコーム / 乾燥適応 / エル・ニーニョ / 熱帯山岳 / 植物 / 生態学 / 熱帯降雨林生態系 / ヒ-ス林 / 熱帯降雨林 / ポドゾル / ヒース林 / 土壌リン / 熱帶降雨林生態系 / 土壌栄養 / 生理適応 / リン利用効率 / 生物地球化学 / 生態系 Less

Development of oxygen isotope chronology of tropical treesPrincipal Investigator
- Principal Investigator
  
  OKADA NAOKI
- Project Period (FY)
  2016 – 2018
- Research Category
  
  Grant-in-Aid for Challenging Exploratory Research
- Research Field
  
  Forest science
- Research Institution
  Kyoto University
Development of new cambial marking method by using high DC volage pulse.Principal Investigator
- Principal Investigator
  
  OKADA Naoki
- Project Period (FY)
  2011 – 2013
- Research Category
  
  Grant-in-Aid for Challenging Exploratory Research
- Research Field
  
  Forest science
- Research Institution
  Kyoto University
Formation of forest lines on tropical high mountains as affected by the Walker Circulation
- Principal Investigator
  
  Kitayama Kanehiro
- Project Period (FY)
  2010 – 2015
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Research Field
  
  Ecology/Environment
- Research Institution
  Kyoto University
Afforestation on degraded tropical land and isotopic chronology analysis of soil carbon
- Principal Investigator
  
  SAKAI Masaharu
- Project Period (FY)
  2010 – 2013
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Forest science
- Research Institution
  Forestry and Forest Products Research Institute
Forest fire and vegetation changes in tropical seasonal forests in Thailand.Principal Investigator
- Principal Investigator
  
  OKADA Naoki
- Project Period (FY)
  2008 – 2010
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Forest science
- Research Institution
  Kyoto University
Phosphorus control of Bornean tropical rain forests : bottom-up effects on the ecosystem and plant adaptations
- Principal Investigator
  
  KITAYAMA Kanehiro
- Project Period (FY)
  2006 – 2010
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Research Field
  
  Ecology/Environment
- Research Institution
  Kyoto University
Ecological Wood Anatomy of Tropical treesPrincipal Investigator
- Principal Investigator
  
  OKADA Naoki
- Project Period (FY)
  2003 – 2006
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Research Field
  
  林学・森林工学
- Research Institution
  Kyoto University
The influence of Yellow-sand (KOSA) on the forest, the presumption of the sulfur sources identification and the contribution rate of dry deposition
- Principal Investigator
  
  SAKAI Masaharu
- Project Period (FY)
  2003 – 2006
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  林学・森林工学
- Research Institution
  Forestry and Forest Products Research Institute
Fundamental study for the establishment of dendrochronology in tropical trees
- Principal Investigator
  
  NOBUCHI Tadashi
- Project Period (FY)
  2001 – 2003
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  林産学
- Research Institution
  KYOTO UNIVERSITY

All 2018 2017 2016 2014 2013 2012 2011 2010 2009 2008 2006 2004 2003 Other

All Journal Article Presentation

[Journal Article] Sample preparation of ring-less tropical trees for δ<sup>18</sup>O measurement in isotope dendrochronology2018
- Author(s)
  Nakai Wataru、Okada Naoki、Sano Masaki、Nakatsuka Takeshi
- Journal Title
  
  Tropics
  
  Volume: 27 Issue: 2 Pages: 49-58
- DOI
  10.3759/tropics.MS17-09
- NAID
  130007479693
- ISSN
  0917-415X, 1882-5729
- Language
  English
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-17H01621, KAKENHI-PROJECT-17H02020, KAKENHI-PROJECT-16K14943
[Journal Article] Occurrence and anatomical features of growth rings in tropical rainforest trees in Peninsular Malaysia: a preliminary study2014
- Author(s)
  Amir Affan Abdul Azim, Naoki Okada
- Journal Title
  
  Tropics
  
  Volume: 23
- NAID
  130004541972
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23658127
[Journal Article] Amir Affan Abdul Azim & Naoki Okada, Occurrence and anatomical features of growth rings in tropical trees in Peninsular Malaysia : a preliminary study2014
- Author(s)
  Amir Affan Abdul Azim & Naoki Okada
- Journal Title
  
  TROPICS
  
  Volume: 23 Pages: 15-31
- Data Source
  KAKENHI-PROJECT-23658127
[Journal Article] Opal phytolith fossils in the soil of tropical seasonal forest in Sakaerat, northeast Thailand.2008
- Author(s)
  Eguchi S, Okada N, Siripatanadilok S, Veenin T
- Journal Title
  
  In : Tropical Forestry Change in a Changing World, Bangkok, Dry forest Eorest Ecology and Conservatio vol.5
  
  Pages: 149-156
- Data Source
  KAKENHI-PROJECT-20405028
[Journal Article] Dynamics of Sulfur by Isotope Analysis in Three Forests of Japan2006
- Author(s)
  SAKAI M, Okada N, Murano K
- Journal Title
  
  Proceedings in BIOGEOMON 2006 5
  
  Pages: 150-150
- Data Source
  KAKENHI-PROJECT-15380114
[Journal Article] Dynamics of Sulfur by Isotope Analysis in Three Forests of Japan.2006
- Author(s)
  SAKAI, M., OKADA, N., MURANO, K.
- Journal Title
  
  Proceedings in BIOGEOMON 5
  
  Pages: 150-150
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-15380114
[Journal Article] Dynamics of Sulfur by Isotope Analysis in Three Forests of Japan2006
- Author(s)
  SAKAI M., Okada N., Murano K
- Journal Title
  
  Proceedings in BIOGEOMON 2006 5
  
  Pages: 150-150
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-15380114
[Journal Article] Sulfur isotopic composition of rainwater in Kojii (Castanopsis cuspidata) stand.2004
- Author(s)
  SAKAI, M., OKADA, N.
- Journal Title
  
  Kyushu Journal of Forest Research 57
  
  Pages: 253-254
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-15380114
[Journal Article] 3林分における林内雨、樹幹流および乾性降下物の硫黄同位体比の測定2004
- Author(s)
  酒井正治, 岡田直紀, 村野健太郎
- Journal Title
  
  大気環境学会年会講演要旨集 44
  
  Pages: 392-392
- Data Source
  KAKENHI-PROJECT-15380114
[Journal Article] Sulfur isotopic ratio of throughfall, stemflow and dry deposition in three forest stand.2004
- Author(s)
  SAKAI, M., OKADA, N., MURANO, K.
- Journal Title
  
  Abstracts of 45th annual Meeting of Japan Society for Atmospheric Environment 45
  
  Pages: 579-579
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-15380114
[Journal Article] コジイ林における雨水の硫黄同位体比2004
- Author(s)
  酒井正治, 岡田直紀
- Journal Title
  
  九州森林研究 57
  
  Pages: 253-254
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-15380114
[Journal Article] 3林分における林内雨、樹幹流および乾性降下物の硫黄同位体比の測定2004
- Author(s)
  酒井正治, 岡田直紀, 村野健太郎
- Journal Title
  
  大気環境学会年会要旨集 45
  
  Pages: 579-579
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-15380114
[Journal Article] Sulfur isotopic ratio of rain, throughfall, stemflow.2003
- Author(s)
  SAKAI, M., OKADA, N.
- Journal Title
  
  Abstracts of annual Meeting of Japan Geoscience Union
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-15380114
[Journal Article] 林外雨,林内雨,樹幹流の硫黄同位体比2003
- Author(s)
  酒井正治, 岡田直紀
- Journal Title
  
  地球惑星科学関連学会講演要旨集(CD判) (CD)
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-15380114
[Presentation] 熱帯材における酸素安定同位体比の季節変動2018
- Author(s)
  中井渉，岡田直紀， Amir Affan Abdul Azim
- Organizer
  第129回日本森林学会大会（高知
- Data Source
  KAKENHI-PROJECT-16K14943
[Presentation] 直流高電圧パルスによる熱帯樹木への形成層マーキング2017
- Author(s)
  岡田直紀
- Organizer
  第27回日本熱帯生態学会年次大会（奄美）
- Data Source
  KAKENHI-PROJECT-16K14943
[Presentation] タイ・マレーシアにおける降水中の酸素安定同位体比の季節変動－安定同位体比を利用した熱帯材の標準年輪曲線構築に向けて－2016
- Author(s)
  中井渉、岡田直紀
- Organizer
  第6回同位体環境学シンポジウム
- Place of Presentation
  総合地球環境学研究所
- Data Source
  KAKENHI-PROJECT-16K14943
[Presentation] Occurrence and anatomical features of growth rings in tropical trees in Peninsular Malaysia2013
- Author(s)
  Amir Affan Abdul Azim & Naoki Okada
- Organizer
  樹木年輪研究会・京都
- Place of Presentation
  京都市(京都大学)
- Year and Date
  2013-12-06
- Data Source
  KAKENHI-PROJECT-23658127
[Presentation] 樹木の電気インピーダンスの計測2013
- Author(s)
  岡田直紀
- Organizer
  第63回日本木材学会大会
- Place of Presentation
  盛岡市(岩手大学)
- Year and Date
  2013-03-27
- Data Source
  KAKENHI-PROJECT-23658127
[Presentation] Occurrence and anatomical features of growth rings in tropical rainforest trees in Peninsular Malaysia2013
- Author(s)
  Amir Affan Abdul Azim, Naoki Okada
- Organizer
  樹木年輪研究会
- Place of Presentation
  京都大学
- Invited
- Data Source
  KAKENHI-PROJECT-23658127
[Presentation] キナバル山の異なる標高に成育する樹木の木部構造と通水性2012
- Author(s)
  堀井綾子・岡田直紀・清野達之
- Organizer
  日本生態学会第59回全国大会
- Place of Presentation
  龍谷大学、大津
- Data Source
  KAKENHI-PROJECT-22255002
[Presentation] ガラパゴス諸島の乾燥環境と木本植物の形態2012
- Author(s)
  岡田直紀、丸山晃央、北山兼弘
- Organizer
  日本生態学会59回大会
- Place of Presentation
  龍谷大学瀬田キャンパス(滋賀県)
- Year and Date
  2012-03-19
- Data Source
  KAKENHI-PROJECT-22255002
[Presentation] 東北タイの荒廃地における窓素悶定を行う樹種の天然更新に与える影響2012
- Author(s)
  小若菜刺，岡田直紀，酒井正治、Visaratana Thiti
- Organizer
  第22回日本熱帯生態学会年次大会
- Place of Presentation
  横浜国立大学（横浜市）
- Data Source
  KAKENHI-PROJECT-22405026
[Presentation] キナバル山の異なる標高に生育する樹木の木部構造と通水生2012
- Author(s)
  堀井綾子、岡田直紀、清野達之、北山兼弘
- Organizer
  日本生態学会59回大会
- Place of Presentation
  龍谷大学瀬田キャンパス(滋賀県)
- Year and Date
  2012-03-20
- Data Source
  KAKENHI-PROJECT-22255002
[Presentation] 東北タイの荒廃地における窒素固定を行う樹種の天然更新に与える影響2012
- Author(s)
  小若茉莉・岡田直紀・酒井正治・Thiti Visaratana
- Organizer
  第22回日本熱帯生態学会年次大会
- Place of Presentation
  横浜国立大学
- Year and Date
  2012-06-19
- Data Source
  KAKENHI-PROJECT-22405026
[Presentation] ガラパゴス諸島の乾燥環境と木本植物の形態2012
- Author(s)
  岡田直紀・丸山晃央・北山兼弘
- Organizer
  日本生態学会第59回全国大会
- Place of Presentation
  龍谷大学、大津
- Data Source
  KAKENHI-PROJECT-22255002
[Presentation] 直流高電圧パルスによる形成層マーキング2012
- Author(s)
  岡田直紀
- Organizer
  第62回日本木材学会大会
- Place of Presentation
  札幌市（北海道大学）
- Data Source
  KAKENHI-PROJECT-23658127
[Presentation] 直流高電圧パルスによる形成層マーキング2012
- Author(s)
  岡田直紀
- Organizer
  第62回日本木材学会大会
- Place of Presentation
  札幌市(北海道大学)
- Year and Date
  2012-03-16
- Data Source
  KAKENHI-PROJECT-23658127
[Presentation] 植物珪酸体からみた東北タイの植生変遷2011
- Author(s)
  江口誠一, 岡田直紀, 他2名
- Organizer
  第21回日本熱帯生態学会年次大会
- Place of Presentation
  那覇
- Year and Date
  2011-05-28
- Data Source
  KAKENHI-PROJECT-20405028
[Presentation] Opal phytolith fossils as a key to the past vegetation changes of the seasonal forests in Thailand2010
- Author(s)
  Naoki Okada, Sei-ichi Eguchi, Somkid Siripatanadilok, Teera
- Organizer
  The 1st Sakaerat Researchers' Meeting
- Place of Presentation
  タイ国サケラート
- Year and Date
  2010-02-16
- Data Source
  KAKENHI-PROJECT-20405028
[Presentation] 植栽後24年経過した外来早生樹種人工林の成長2010
- Author(s)
  北村亮・岡田直紀・大橋伸太・酒井正治・Thiti Visaratana
- Organizer
  第20回日本熱帯生態学会年次大会要旨集
- Place of Presentation
  広島大学(広島県東広島市)
- Year and Date
  2010-06-19
- Data Source
  KAKENHI-PROJECT-22405026
[Presentation] Opal phytolith fossils as a key to the past vegetation changes of the seasonal forests in Thailand.2010
- Author(s)
  Okada N, Eguchi S, Siripatanadilok S, Veenin T
- Organizer
  The 1st Sakaerat Researchers' Meeting
- Place of Presentation
  Sakaerat, Thailand
- Year and Date
  2010-02-16
- Data Source
  KAKENHI-PROJECT-20405028
[Presentation] 東北タイにおける落葉フタバガキ林下表層部中の植物珪酸体化石群2010
- Author(s)
  江口誠一, 岡田直紀, 他2名
- Organizer
  第25回日本植生史学会大会
- Place of Presentation
  名古屋大学
- Year and Date
  2010-11-28
- Data Source
  KAKENHI-PROJECT-20405028
[Presentation] 東北タイ各地域の熱帯季節林下の植物珪酸体群2010
- Author(s)
  江口誠一, 岡田直紀, 他2名
- Organizer
  第20回日本熱帯生態学会年次大会
- Place of Presentation
  広島大学
- Year and Date
  2010-06-19
- Data Source
  KAKENHI-PROJECT-20405028
[Presentation] 植栽後24年経過した外来早生樹種人工林の成長2010
- Author(s)
  北村亮・岡田直紀・大橋伸太・酒井正治・Thiti Visaratana
- Organizer
  第20回日本熱帯生態学会年次大会
- Place of Presentation
  広島大学(広島県)
- Year and Date
  2010-06-19
- Data Source
  KAKENHI-PROJECT-22405026
[Presentation] タイ東北部サケラートにおける熱帯季節林下の植物珪酸体2009
- Author(s)
  江口誠一・岡田直紀・Somkid Siripatanadilok・Teera Veenin
- Organizer
  第19回日本熱帯生態学会年次大会
- Place of Presentation
  大阪市大
- Year and Date
  2009-06-20
- Data Source
  KAKENHI-PROJECT-20405028
[Presentation] 東北タイにおける落葉フタバガキ林下の植物珪酸体化石群2009
- Author(s)
  江口誠一, 岡田直紀, 他2名
- Organizer
  第56回日本生態学会全国大会
- Place of Presentation
  岩手大学
- Year and Date
  2009-03-18
- Data Source
  KAKENHI-PROJECT-20405028
[Presentation] 東北クイにおける落葉フタバガキ林下の植物珪酸体化石群2009
- Author(s)
  江口誠一, 岡田直紀, S. Siripatanadilok, T. Veenin
- Organizer
  日本生態学会
- Place of Presentation
  盛岡
- Year and Date
  2009-03-18
- Data Source
  KAKENHI-PROJECT-20405028
[Presentation] タイ東北部サケラートにおける熱帯季節林下の植物珪酸体2009
- Author(s)
  江口誠一, 岡田直紀, 他2名
- Organizer
  第19回日本熱帯生態学会年次大会
- Place of Presentation
  大阪市立大学
- Year and Date
  2009-06-20
- Data Source
  KAKENHI-PROJECT-20405028
[Presentation] Opal Phytolith fossils in the soil of tropical seasonal forest in Sakaerat, northeast Thailand2008
- Author(s)
  S. Eguchi, N. Okada, S. Siripatanadilok, T. Veenin
- Organizer
  FORTROP II International Conference "Tropicalp Forestry Change in a Changing World"
- Place of Presentation
  Bangkok, Thailand
- Year and Date
  2008-11-18
- Data Source
  KAKENHI-PROJECT-20405028
[Presentation] Opal Phytolith fossils in the soil of tropical seasonal forest in Sakaerat, northeast Thailand.2008
- Author(s)
  Eguchi S, Okada N, Siripatanadilok S, Veenin T
- Organizer
  FORTROP II International Conference "Tropical Forestry Change in a Changing World"
- Place of Presentation
  Bangkok, Thailand
- Year and Date
  2008-11-18
- Data Source
  KAKENHI-PROJECT-20405028
[Presentation] 樹木の電気インピーダンスの計測
- Author(s)
  岡田直紀
- Organizer
  第63回日本木材学会大会
- Place of Presentation
  岩手県盛岡市　岩手大学
- Data Source
  KAKENHI-PROJECT-23658127

1. KITAYAMA Kanehiro (20324684)

# of Collaborated Projects: 3 results

# of Collaborated Products: 3 results
2. SAKAI Masaharu (00353699)

# of Collaborated Projects: 3 results

# of Collaborated Products: 14 results
3. MIYAMOTO Kazuki (60353877)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
4. AIBA Shin-ichiro (60322319)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
5. KUBOTA Yasuhiro (50295234)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
6. SEINO Tatsuyuki (40362420)

# of Collaborated Projects: 2 results

# of Collaborated Products: 2 results
7. NOBUCHI Tadashi (50026499)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
8. FUJITA Minoru (60026599)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
9. EGUCHI Seiーichi (00301789)

# of Collaborated Projects: 1 results

# of Collaborated Products: 12 results
10. KURAJI Kouichirou (90282566)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
11. HASEGAWA Hisashi (70263134)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
12. ABE Hisashi (80343812)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
13. KOBAYASHI Masahiro (50353686)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
14. MURANO Kentaro (40109905)

# of Collaborated Projects: 1 results

# of Collaborated Products: 6 results
15. OHASHI Shinta

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
16. NAKAI Wataru

# of Collaborated Projects: 1 results

# of Collaborated Products: 2 results
17. Amir Affan Abdul Azim

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
18. Venin Teera

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results

OKADA Naoki 岡田 直紀

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Development of oxygen isotope chronology of tropical treesPrincipal Investigator

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Development of new cambial marking method by using high DC volage pulse.Principal Investigator

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Formation of forest lines on tropical high mountains as affected by the Walker Circulation

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Afforestation on degraded tropical land and isotopic chronology analysis of soil carbon

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Forest fire and vegetation changes in tropical seasonal forests in Thailand.Principal Investigator

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Phosphorus control of Bornean tropical rain forests : bottom-up effects on the ecosystem and plant adaptations

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Ecological Wood Anatomy of Tropical treesPrincipal Investigator

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The influence of Yellow-sand (KOSA) on the forest, the presumption of the sulfur sources identification and the contribution rate of dry deposition

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Fundamental study for the establishment of dendrochronology in tropical trees

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[Journal Article] Sample preparation of ring-less tropical trees for δ<sup>18</sup>O measurement in isotope dendrochronology2018

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[Journal Article] Occurrence and anatomical features of growth rings in tropical rainforest trees in Peninsular Malaysia: a preliminary study2014

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[Journal Article] Amir Affan Abdul Azim & Naoki Okada, Occurrence and anatomical features of growth rings in tropical trees in Peninsular Malaysia : a preliminary study2014

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[Journal Article] Opal phytolith fossils in the soil of tropical seasonal forest in Sakaerat, northeast Thailand.2008

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[Journal Article] Dynamics of Sulfur by Isotope Analysis in Three Forests of Japan2006

OKADA Naoki 岡田直紀

[Presentation] タイ・マレーシアにおける降水中の酸素安定同位体比の季節変動－安定同位体比を利用した熱帯材の標準年輪曲線構築に向けて－2016