Keiichi Okada

Exploration capacity versus specific enzymatic activity of ectomycorrhizas in response to primary productivity and soil phosphorus availability in Bornean tropical rainforests

Kei-ichi Okada, Daiki Yokoyama, Shin-ichiro Aiba, Kanehiro Kitayama

Scientific Reports, Feb 3, 2024 Peer-reviewedLead authorCorresponding author

Long-term Consequences on Soil Fungal Community Structure: Monoculture Planting and Natural Regeneration.

Minagi Naka, Shota Masumoto, Keita Nishizawa, Shunsuke Matsuoka, Shinichi Tatsumi, Yuta Kobayashi, Kureha F Suzuki, Xinyu Xu, Tomoya Kawakami, Noboru Katayama …

Environmental management, Dec 15, 2023 Peer-reviewed

Change of regeneration status on nurse stump associated with the stump size at cool temperate forest

Okada Kei-ichi, Nakahama Kazuki, Nishimura Yoshinori, Tokita Katsuhiro

The Japanese Forest Society Congress, 134 337, May 30, 2023

Termite sensitivity to temperature affects global wood decay rates

Amy E. Zanne, Habacuc Flores-Moreno, Jeff R. Powell, William K. Cornwell, James W. Dalling, Amy T. Austin, Aimée T. Classen, Paul Eggleton, Kei-ichi Okada, Catherine L. Parr …

Science, 377(6613) 1440-1444, Sep 23, 2022 Peer-reviewed

Biodiversity–productivity relationships are key to nature-based climate solutions

Akira S. Mori, Laura E. Dee, Andrew Gonzalez, Haruka Ohashi, Jane Cowles, Alexandra J. Wright, Michel Loreau, Yann Hautier, Tim Newbold, Peter B. Reich …

Nature Climate Change, 11(6) 543-550, Jun, 2021 Peer-reviewed

A meta-analysis on decomposition quantifies afterlife effects of plant diversity as a global change driver

Akira S. Mori, J. Hans C. Cornelissen, Saori Fujii, Kei-ichi Okada, Forest Isbell

Nature Communications, 11(1), Dec, 2020 Peer-reviewed

Habitat use of Bornean Ferret Badger Melogale everetti in Sabah, Malaysian Borneo

Hidemi NAGANO, Keiichi OKADA, Yoshihiro NAKASHIMA, Hiromitsu SAMEJIMA, Jamili NAIS, Kanehiro KITAYAMA

Small Carnivore Conservation, 57 25-33, Jan, 2019 Peer-reviewed

Reconsidering biodiversity hotspots based on the rate of historical land-use change

Yuta Kobayashi, Kei-ichi Okada, Akira S. Mori

Biological Conservation, 233 268-275, 2019 Peer-reviewed

Estimation of the Spatiotemporal Patterns of Vegetation and Associated Ecosystem Services in a Bornean Montane Zone Using Three Shifting-Cultivation Scenarios

Shogoro Fujiki, Shogo Nishio, Kei-ichi Okada, Jamili Nais, Rimi Repin, Kanehiro Kitayama

Land, 7(1) 29-29, Mar 2, 2018 Peer-reviewed

The 30th anniversary of Ecological Research: past, present, and future

Tomonori Tsunoda, Buntarou Kusumoto, Kei-ichi Okada, Yuko Aoshima, Atsushi Kume

Ecological Research, 32(4) 451-457, Jul 1, 2017 Peer-reviewedCorresponding author

Influence of temperature and soil nitrogen and phosphorus availabilities on fine-root productivity in tropical rainforests on Mount Kinabalu, Borneo

Kei-ichi Okada, Shin-ichro Aiba, Kanehiro Kitayama

Ecological Research, 32(2) 145-156, Mar 24, 2017 Peer-reviewedLead authorCorresponding author

Plant communities and ecosystem processes in a succession-altitude matrix after shifting cultivation in the tropical montane forest zone of northern Borneo

Shogoro Fujiki, Shogo Nishio, Kei-Ichi Okada, Jamili Nais, Kanehiro Kitayama

Journal of Tropical Ecology, 33(1) 33-49, Jan 1, 2017 Peer-reviewed

Estimation of the stand ages of tropical secondary forests after shifting cultivation based on the combination of WorldView-2 and time-series Landsat images

Shogoro Fujiki, Kei-Ichi Okada, Shogo Nishio, Kanehiro Kitayama

ISPRS Journal of Photogrammetry and Remote Sensing, 119 280-293, Sep 1, 2016 Peer-reviewed

Six-year monitoring of pine ectomycorrhizal biomass under a temperate monsoon climate indicates significant annual fluctuations in relation to climatic factors

Keiichi Okada, Sachiko Okada, Koh Yasue, Masaki Fukuda, Akiyoshi Yamada

Ecological Research, 26(2) 411-419, Mar, 2011 Peer-reviewedLead authorCorresponding author

Difference of pine ectomycorrhizal biomass in relation to forest conditions

Keiichi Okada, Takami Satomura, Akihiko Kinoshita, Takao Horikoshi, Koh Yasue, Masaki Fukuda, Akiyoshi Yamada

Mycoscience, 52(1) 59-64, 2011 Peer-reviewedLead authorCorresponding author

In vitro mycorrhization of edible Astraeus mushrooms and their morphological characterization

Wanwisa Fangfuk, Keiichi Okada, Ratchanee Petchang, Chaiwat To-anun, Masaki Fukuda, Akiyoshi Yamada

Mycoscience, 51(3) 234-241, 2010 Peer-reviewed

Detection of ectomycorrhizal fungi from forest soil with baiting host plants

YAMADA Akiyoshi, YAMAGATA Natsuki, KAWAMURA Fuminori, OKADA Keiichi, HOSOYA Tsuyoshi, DEGAWA Yousuke, FUKUDA Masaki

Japanese Journal of Mycology, 47(2) 25-32, Dec 15, 2006 Peer-reviewed

Mycorrhiza formation rate in the revegetation slope and the factor

OKADA Keiichi, FUKUNAGA Kenji, TACHIBANA Ryuichi

Journal of the Japanese Society of Revegetation Technology, 31(1) 171-174, 2005 Lead authorCorresponding author

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