Asuka Koyama
Asuka Koyama
The University of Tokyo
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Facilitation by tussock‐forming species on seedling establishment collapses in an extreme drought year in a post‐mined Sphagnum peatland
A Koyama, S Tsuyuzaki
Journal of Vegetation Science 24 (3), 473-483, 2013
Relationships between the developments of seedbank, standing vegetation and litter in a post-mined peatland
C Egawa, A Koyama, S Tsuyuzaki
Plant Ecology 203 (2), 217, 2009
Effects of sedge and cottongrass tussocks on plant establishment patterns in a post-mined peatland, northern Japan
A Koyama, S Tsuyuzaki
Wetlands Ecology and Management 18 (2), 135-148, 2010
Mechanism of facilitation by sedge and cotton-grass tussocks on seedling establishment in a post-mined peatland
A Koyama, S Tsuyuzaki
Plant Ecology 213 (11), 1729-1737, 2012
Combined burning and mowing for restoration of abandoned semi‐natural grasslands
A Koyama, TF Koyanagi, M Akasaka, M Takada, K Okabe
Applied vegetation science 20 (1), 40-49, 2017
Shrub cover regulates population dynamics of herbaceous plants at individual shrub scale on the Mongolian steppe
A Koyama, T Sasaki, U Jamsran, T Okuro
Journal of vegetation science 26 (3), 441-451, 2015
GrassPlot–a database of multi-scale plant diversity in Palaearctic grasslands
J Dengler, V Wagner, I Dembicz, I García-Mijangos, A Naqinezhad, ...
Borntraeger Science Publishers, 2018
Patterns of plant diversity loss and species turnover resulting from land abandonment and intensification in semi-natural grasslands
K Uchida, TF Koyanagi, T Matsumura, A Koyama
Journal of environmental management 218, 622-629, 2018
Detection of vegetation trends in highly variable environments after grazing exclusion in Mongolia
K Kakinuma, A Terui, T Sasaki, A Koyama, U Jamsran, T Okuro, ...
Journal of vegetation science 28 (5), 965-974, 2017
Data Analysis of Plant Community Structure and Diversity. Handbook of Methods in Ecological Research 3
T Sasaki, A Koyama, T Koyanagi, T Furukawa, K Uchida
Kyritsu Publishing Co., 208pp.(in Japanese), 2015
Role of tussock morphology in providing protection from grazing for neighbouring palatable plants in a semi-arid Mongolian rangeland
A Koyama, Y Yoshihara, U Jamsran, T Okuro
Plant Ecology & Diversity 8 (2), 163-171, 2015
Coupling structural and functional thresholds for vegetation changes on a Mongolian shrubland
T Sasaki, A Koyama, T Okuro
Ecological indicators 93, 1264-1275, 2018
Response of degraded vegetation to introduction of prescribed burning or mowing management in a Mongolian steppe
A Koyama, D Kubo, Y Yoshihara, U Jamsran, T Okuro
Grassland science 62 (1), 37-44, 2016
Prescribed burning experiments for restoration of degraded semiarid Mongolian steppe
Y Yoshihara, A Koyama, J Undarmaa, T Okuro
Plant ecology 216 (12), 1649-1658, 2015
Non-native plants are a seasonal pollen source for native honeybees in suburban ecosystems
A Koyama, C Egawa, H Taki, M Yasuda, N Kanzaki, T Ide, K Okabe
Urban ecosystems 21 (6), 1113-1122, 2018
Partitioning the plant diversity of semi-natural grasslands across Japan
A Koyama, TF Koyanagi, M Akasaka, Y Kusumoto, S Hiradate, M Takada, ...
Oryx 52 (3), 471-478, 2018
Ecological issues in achieving no net loss of biodiversity offsets
A Koyama, K Okabe
Bulletin of the Forestry and Forest Products Research Institute, 2017
外来種の生態学と環境教育: 外来植物の問題を通じて人と自然の関わりを見つめ直す (特集○○ 学と環境教育)
斎藤達也, 小柳知代, 小山明日香
環境教育学研究= Environmental education studies, Tokyo Gakugei University …, 2016
Distribution pattern of exotic plants in the metropolitan area of Sapporo (Japan) in relation to life form and immigration date
S Tsuyuzaki, H Nakajima, AKB Hirata, A Koyama
Feddes Repertorium 122 (3‐4), 275-286, 2011
A water acquisition strategy may regulate the biomass and distribution of winter forage species in cold Asian rangeland
A Tanaka‐Oda, I Endo, N Ohte, D Eer, N Yamanaka, M Hirobe, ...
Ecosphere 9 (12), e02511, 2018
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