## 3 Results
### Countrywide Distribution of Ecological Communities  
The prefecture-wise plant ecological maps produced in the current research were merged together to produce a countrywide map, and the resulting map is shown in Figure 3. The prefecture-wise maps provided in Supplementary Material S5 are recommended in order to see the distribution of the plant ecological communities dealt with in this research. From the countrywide integration of the plant ecological communities map, it was found that the Deciduous Broadleaf Forests of almost all prefectures are dominated by Quercus DBF in terms of area coverage; whereas Mallotus DBF in Kagoshima and Saga prefectures and Carpinus DBF in Kochi and Miyazaki prefectures are the most common ecological communities of the Deciduous Broadleaf Forests. The major ecological communities of the Evergreen Broadleaf Forests across all prefectures except in Hokkaido prefecture are Quercus EBF, Bamboo EBF, and Castanopsis EBF. The ecological communities of Larix DCF were found in almost all prefectures except in some southern prefectures. The Cryptomori-Chamaecyparis ECF is the major community of the Evergreen Conifer Forests in most of the prefectures, except in some prefectures such as Iwate, Fukushima, and Hiroshima, where Pinus ECF is the major community of the Evergreen Conifer Forests; and in Hokkaido prefecture, where Abies ECF is the major community of the Evergreen Conifer Forests. The \begin{table}
\begin{tabular}{l l l l l l l l} \hline
**Prefectures** & **Class** & **Kappa** & **F1-Score** & **Prefectures** & **Class** & **Kappa** & **F1-Score** \\ \hline Aichi & 37 & 0.784 & 0.786 & Miyagi & 50 & 0.806 & 0.808 \\ Akita & 51 & 0.828 & 0.831 & Miyazaki & 49 & 0.819 & 0.821 \\ Aomori & 47 & 0.814 & 0.817 & Nagano & 52 & 0.788 & 0.791 \\ Chiba & 32 & 0.768 & 0.771 & Nagasaki & 51 & 0.834 & 0.836 \\ Ehime & 44 & 0.795 & 0.797 & Nara & 42 & 0.807 & 0.810 \\ Fukui & 41 & 0.816 & 0.820 & Niigata & 53 & 0.864 & 0.865 \\ Fukuoka & 38 & 0.766 & 0.768 & Oita & 46 & 0.800 & 0.802 \\ Fukushima & 51 & 0.819 & 0.822 & Okayama & 41 & 0.799 & 0.802 \\ Gifu & 51 & 0.812 & 0.814 & Okinawa & 43 & 0.802 & 0.805 \\ Gunma & 48 & 0.790 & 0.792 & Osaka & 29 & 0.794 & 0.797 \\ Hiroshima & 45 & 0.817 & 0.820 & Saga & 37 & 0.818 & 0.821 \\ HokkaidoA & 44 & 0.819 & 0.822 & Saitama & 39 & 0.759 & 0.762 \\ HokkaidoB & 40 & 0.836 & 0.838 & Shiga & 42 & 0.832 & 0.835 \\ Hyogo & 49 & 0.799 & 0.801 & Shimane & 44 & 0.813 & 0.816 \\ Ibaraki & 40 & 0.742 & 0.744 & Shizuoka & 50 & 0.753 & 0.755 \\ Ishikawa & 45 & 0.811 & 0.814 & Tochigi & 49 & 0.819 & 0.821 \\ Iwate & 48 & 0.820 & 0.822 & Tokushima & 48 & 0.784 & 0.786 \\ Kagawa & 35 & 0.709 & 0.711 & Tokyo & 46 & 0.825 & 0.828 \\ Kagoshima & 62 & 0.809 & 0.812 & Tottori & 39 & 0.811 & 0.814 \\ Kanagawa & 43 & 0.732 & 0.734 & Toyama & 51 & 0.819 & 0.822 \\ Kochi & 48 & 0.805 & 0.808 & Wakayama & 37 & 0.762 & 0.765 \\ Kumamoto & 44 & 0.817 & 0.819 & Yamagata & 50 & 0.874 & 0.875 \\ Kyoto & 41 & 0.838 & 0.840 & Yamaguchi & 42 & 0.790 & 0.792 \\ Mie & 42 & 0.808 & 0.81 & Yamanashi & 43 & 0.779 & 0.781 \\ \hline \end{tabular}
\end{table} 
Table 4: Summary of the cross-validation accuracies calculated as average accuracies in terms of Kappa coefficient and F1-score across all classes in each prefectural region. Herbaceous/Grassland areas are dominated by Miscanthus Herb and Open space Herb in almost all prefectures except in Hokkaido and Iwate prefectures where cultivated Pasture is very common. The major ecological communities of the Shrublands are Sasa Shrub and Rhododendon Shrub in almost all prefectures, except in some prefectures where Salix Shrub and Alnus Shrub are most common. The 10 m resolution plant ecological community maps produced in the research offer quantitative analysis on the spatial distribution of countrywide plant ecological communities. Further exploration on the spatial distribution of the plant ecological communities based on the maps produced in the current research is a subject for future investigation.