Keiko Ioki - My portal

Profile Information

Affiliation: 講師, 工学部環境システム学科, 武蔵野大学

Degree: 博士（農学）

J-GLOBAL ID: 201901004413259437
researchmap Member ID: B000353635

Research Interests

リモートセンシング

Research Areas

Committee Memberships

Jun, 2022 - Present

Editorial Board, Journal of Forest Research
2018 - Present

Editor, Landscape and Ecological Engineering

Papers

Estimating aboveground biomass changes in a human-modified tropical montane forest of Borneo using multi-temporal airborne LiDAR data

Ho Yan Loh, Daniel James, Keiko Ioki, Wilson Vun Chiong Wong, Satoshi Tsuyuki, Mui-How Phua

Remote Sensing Applications: Society and Environment, 28 100821-100821, Nov, 2022 Peer-reviewed
Recovery of tree community composition across different types of anthropogenic disturbances and characterization of their effect using Landsat time series in Bornean tropical montane forest

Keiko Ioki, Daniel James, Mui-How Phua, Satoshi Tsuyuki, Nobuo Imai

Biological Conservation, 267 109489-109489, Mar, 2022 Peer-reviewed
Aboveground Biomass Changes in Tropical Montane Forest of Northern Borneo Estimated Using Spaceborne and Airborne Digital Elevation Data

Ho Yan Loh, Daniel James, Keiko Ioki, Wilson Vun, Chiong Wong, Satoshi Tsuyuki, Mui-How Phua

Remote Sensing, 12(22) 3677, Nov, 2020 Peer-reviewed
Supporting forest conservation through community-based land use planning and participatory GIS – lessons from Crocker Range Park, Malaysian Borneo

Keiko Ioki, Norlina Mohd Din, Ralf Ludwig, Daniel James, Su Wah Hue, Shazrul Azwan Johari, Remmy Alfie Awang, Rosila Anthony, Mui How Phua

Journal for Nature Conservation, 52, Dec, 2019 Peer-reviewed
Synergistic use of Landsat 8 OLI image and airborne LiDAR data for above-ground biomass estimation in tropical lowland rainforests

Mui-How Phua, Shazrul Azwan Johari, Ong Cieh Wong, Keiko Ioki, Maznah Mahali, Reuben Nilus, David A. Coomes, Colin R. Maycock, Mazlan Hashim

FOREST ECOLOGY AND MANAGEMENT, 406 163-171, Dec, 2017 Peer-reviewed
Seeing trees from space: above-ground biomass estimates of intact and degraded montane rainforests from high-resolution optical imagery

Mui-How Phua, Zia-Yiing Ling, David Anthony Coomes, Wilson Wong, Alexius Korom, Satoshi Tsuyuki, Keiko Ioki, Yasumasa Hirata, Hideki Saito, Gen Takao

IFOREST-BIOGEOSCIENCES AND FORESTRY, 10(3) 625-634, Jun, 2017 Peer-reviewed
Estimating Logged-Over Lowland Rainforest Aboveground Biomass in Sabah, Malaysia Using Airborne LiDAR Data

Mui-How Phua, Su Wah Hue, Keiko Ioki, Mazlan Hashim, Kawi Bidin, Baba Musta, Monica Suleiman, Sau Wai Yap, Colin R. Maycock

TERRESTRIAL ATMOSPHERIC AND OCEANIC SCIENCES, 27(4) 481-489, Aug, 2016 Peer-reviewed
Evaluation of the similarity in tree community composition in a tropical rainforest using airborne LiDAR data

Keiko Ioki, Satoshi Tsuyuki, Yasumasa Hirata, Mui-How Phua, Wilson Vun Chiong Wong, Zia-Yiing Ling, Shazrul Azwan Johari, Alexius Korom, Daniel James, Hideki Saito …

REMOTE SENSING OF ENVIRONMENT, 173 304-313, Feb, 2016 Peer-reviewed
Estimation of broad-leaved canopy growth in the urban forested area using multi-temporal airborne LiDAR datasets

Youngkeun Song, Junichi Imanishi, Takeshi Sasaki, Keiko Ioki, Yukihiro Morimoto

URBAN FORESTRY & URBAN GREENING, 16 142-149, 2016 Peer-reviewed
Performance of a photogrammetric digital elevation model in a tropical montane forest environment

Wong, W, Tsuyuki, S, Phua, M-H, Ioki, K, Takao, G

Journal of Forest Planning, 21 39-52, 2016 Peer-reviewed
Estimating above-ground biomass of tropical rainforest of different degradation levels in Northern Borneo using airborne LiDAR

Keiko Ioki, Satoshi Tsuyuki, Yasumasa Hirata, Mui-How Phua, Wilson Vun Chiong Wong, Zia-Yiing Ling, Hideki Saito, Gen Takao

FOREST ECOLOGY AND MANAGEMENT, 328 335-341, Sep, 2014 Peer-reviewed
Vegetation Mapping of Urban Forest Using Airborne Laser Scanning in Kyoto City, Japan: Towards Woody Biomass Utilization

Keiko Ioki, Junichi Imanishi, Takeshi Sasaki, Youngkeun Song, Yukihiro Morimoto

WASTE AND BIOMASS VALORIZATION, 4(2) 213-220, Jun, 2013 Peer-reviewed
Estimation of forest foliage distribution using airborne LiDAR

Sasaki Takeshi, Imanishi Junichi, Ioki Keiko, Song Youngkeun, Morimoto Yukihiro

Bulletion of the International Association for Landscape Ecology-Japan, 18(1) 23-28, 2013
Estimation of leaf area index and gap fraction in two broad-leaved forests by using small-footprint airborne LiDAR

Sasaki, T, Imanishi, J, Ioki, K, Song, Y, Morimoto, Y

Landscape and Ecological Engineering, 12 117-127, 2013 Peer-reviewed
Estimation of Above-ground Biomass of a Tropical Forest in Northern Borneo Using High-resolution Satellite Image

Phua, M-H, Ling, Z.Y, Wong, W, Korom, A, Ahmad, B, Besar, N. A, Tsuyuki, S, Ioki, K, Hoshimoto, K, Yasumasa …

Journal of Forest Science, 30(2) 233-242, 2013 Peer-reviewed
Object-based classification of land cover and tree species by integrating airborne LiDAR and high spatial resolution imagery data

Takeshi Sasaki, Junichi Imanishi, Keiko Ioki, Yukihiro Morimoto, Katsunori Kitada

LANDSCAPE AND ECOLOGICAL ENGINEERING, 8(2) 157-171, Jul, 2012 Peer-reviewed
Estimating vertical distribution of vegetation cover in temperate heterogeneous forests using airborne laser scanning data

Ioki, K, Imanishi, J, Sasaki, T, Song, Y.K, Morimoto, Y, Hasegawa, H

Open Journal of Forestry, 2(3) 89-96, 2012 Peer-reviewed
Estimating stand volume in broad-leaved forest using discrete-return LiDAR: plot-based approach

Ioki, K, Imanishi, J, Sasaki, T, Morimoto, Y, Kitada, K

Landscape and Ecological Engineering, 6(1) 29-36, 2009 Peer-reviewed
Estimation of leaf area index and canopy openness in broadleaved forest using an airborne laser scanner in comparison with high-resolution near-infrared digital photography

Takeshi Sasaki, Junichi Imanishi, Keiko Ioki, Yukihiro Morimoto, Katsunori Kitada

LANDSCAPE AND ECOLOGICAL ENGINEERING, 4(1) 47-55, May, 2008 Peer-reviewed

Misc.

INTER-ANNUAL GROWTH OF BROAD-LEAVED CANOPY ESTIMATED FROM THE REPEATED LIDAR MEASUREMENTS

Youngkeun Song, Junichi Imanishi, Takeshi Sasaki, Keiko Ioki, Yukihiro Morimoto

2016 IEEE INTERNATIONAL GEOSCIENCE AND REMOTE SENSING SYMPOSIUM (IGARSS), 4493-4494, 2016 Peer-reviewed
Application of airborne LiDAR data for mapping tree community composition of urban forest in Kyoto

Ioki, K, Imanishi, J, Sasaki, T, Song, Y, Morimoto, Y

The 4th International Conference of Urban Biodiversity and Design (URBIO2014), October 9-12, 2014. POSCO Global R&D Center, Incheon, Korea., Oct, 2014
Vegetation mapping of urban secondary forest using airborne laser scanning in Kyoto city, Japan

Ioki, K, Imanishi, J, Sasaki, T, Song, Y.K, Morimoto, Y

Proceedings of the Third International Conference on Environmental Management, Engineering, Planning and Economics (CEMEPE 2011) and SECOTOX Conference, 1049-1054, Jun 22, 2011
LiDAR-based estimation of leaf area index and canopy openness in broad-leaved forest

Sasaki, T, Imanishi, J, Ioki, K, Morimoto, Y

The 23rd World Congress of the International Union of Forest Research Organizations (IUFRO), August 23-28. COEX, Seoul, Korea, Aug 24, 2010
Object-based classification of land cover types using airborne LiDAR and high-resolution imagery data

Sasaki, T, Imanishi, J, Ioki, K, Morimoto, Y

The 2nd International Conference of Urban Biodiversity and Design (URBIO2010), May 18-22. WINC AICHI, Nagoya, Japan, May 21, 2010
Estimating vertical structure of heterogeneous forest using LiDAR

Ioki, K, Imanishi, J, Sasaki, T, Song, Y-K, Morimoto, Y, Hasegawa, H

The 2nd International Conference of Urban Biodiversity and Design (URBIO2010), May 18-22. WINC AICHI, Nagoya, Japan, May 19, 2010
Prediction of stand volume in broad-leaved forest in Japan using discrete-return LiDAR

Ioki, K, Imanishi, J, Sasaki, T, Morimoto, Y, Kitada, K

IUFRO Division 4: Extending Forest Inventory and Monitoring over Space and Time, May 19-22. Quebec City, Canada, May 21, 2009

Presentations

Characterizing the effect of human disturbances in tropical montane forest of Borneo using Landsat time series

INTECOL2022, Aug 29, 2022
The effect of anthropogenic disturbances on tree generic diversity and community composition in a tropical montane forest of Ulu Padas, Sabah

Keiko Ioki, Daniel James, Mui-How Phua, Nobuo Imai

TROPICAL FORESTRY 2021 (TF2021) VIRTUAL CONFERENCE, Kota Kinabalu Sabah, Malaysia, Dec 15, 2021
撹乱履歴の異なるマレーシア熱帯山地林における林分構造の違いに関する考察

伊尾木慶子, 今井伸夫, Daniel James, Loh Ho Yan, Phua Mui-How, 露木聡

第132 回日本森林学会大会, Mar 20, 2021
マレーシアの再生林における林内環境がフタバガキ科の成長に与える影響

伊尾木慶子, Shazrul Azwan Johari, David Alloysius, Ulrik Ilstedt

第131 回日本森林学会大会, Mar 28, 2020
マレーシアサバ州・クロッカーレンジ公園バッファゾーンにおけるGISを用いた参加型土地利用計画の提案

伊尾木慶子, Mui-How Phua, Norlina Mohd Din

日本景観生態学会第29 回京都大会, Jun 1, 2019
Effects of environmental factors on the growth of planted dipterocarp trees in a tropical rainforest restoration site in Sabah, Malaysia

Ioki, K, Johari, S.A., Lim, W. S, Wong, W.V.C, Phua, M.-H, Ilstedt, U

Jul, 2018
Understanding forest micro-environmental condition using airborne LiDAR in a tropical rainforest restoration site.

Ioki, K, Phua, M-.H, Wong, W, Ilsted, U

The JSPS Core-to-Core Program “International Workshop on Long-term Monitoring and Data Analysis of Forest Resources and Environment”, Kota Kinabalu, Malaysia, Mar, 2017
The Influence of Airborne LiDAR Pulse Density on Estimating Above Ground Biomass.

Ioki, K, Phua, M-.H, Tsuyuki, S, Miyasaku, N, Hirase, M, Takao, G

The 7th International Conferences on Landscape and Ecological Engineering, Seoul, Republic of Korea, Dec, 2016
Participatory Land Use Planning in Kinabalu Ecolinc Zone: The case of Wasai village.

Ioki, K, Phua, M-.H

The 7th Symposium of Asian University Forest Consortium at the University of Tokyo Hokkaido Forest (UTHF), Hokkaido, Japan, Oct, 2016
Potential Applications of Airborne LiDAR Data in Tropical Rainforest - The case of a montane rainforest in Borneo-.

Ioki, K

International Workshop on Vegetation LiDAR and Application from Space, Kyoto, Japan, Jan, 2016
Airborne Laser Scanning of Tropical Rainforests in Sabah.

Ioki, K

Conference on Low Impact Forest Management for Efficient Sustainable Supply of Forest Resources and Ecosystem Services, Kota Kinabalu, Malaysia, Dec, 2015
The influence of airborne LiDAR pulse density on estimating forest characteristics of Ulu Padas.

Ioki, K, Phua, M-.H, Tsuyuki, S, Miyasaku, N, Hirase, M, Takao, G

Conference on Rainforest Ecology, Diversity and Conservation in Borneo, Kota Kinabalu, Malaysia, Jun, 2015
Mapping stand diversity of tropical rainforest in northern Borneo using airborne LiDAR.

Ioki, K, Tsuyuki, S, Hirata, Y, Phua, M. H, Wong, W. V. C, Ling, Z. Y, Johari, S.A, Korom, A, James, D, Saito, H, Takao, G

ForestSAT 2014, Riva del Garda, Italy, Nov, 2014
航空機LiDARを用いた異なる劣化レベルの熱帯雨林における地上バイオマス推定技術の開発

伊尾木慶子, 露木聡, 星元啓吾, 平田泰雅, 鷹尾元、Phua, Mui How, ong, Wilson、Ling, Zia Yiing

第125回森林学会大会、岩手, Mar, 2014
Estimating tree height and above ground biomass of tropical rainforest across different degradation levels in Malaysian Borneo using airborne lidar data.

Ioki, K, Tsuyuki, S, Hoshimoto K, Phua, M.-H, Ling Z-Y, Wong, W, Korom, A, Ahmad, B, Besar, N.A, Hirata, Y, Saito H, Takao, G

The 34th Asian Conference of Remote Sensing (ACRS2013), Bali, Indonesia, Oct, 2013

Research Projects

Assessing the role of enrichment planting in a large-scale tropical rainforest restoration project using time series datasets

Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (C), Japan Society for the Promotion of Science, Apr, 2022 - Mar, 2026