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
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
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
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
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
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
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
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
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
Threshold dynamics of vegetation and their management implications in a Mongolian shrubland
T Sasaki, A Koyama, T Okuro
論文 1–20