Ecological characteristics of the sika deer (Cervus nippon) populations.

*Standard deviation (SD) of graminoid proportion in diets was calculated from averages of four seasons. **Abbreviations of the institutes are: UMUT, The University Museum, The University of Tokyo; TPM, Tochigi Prefectural Museum; NHMIC, Natural History Museum and Institute, Chiba; HUM, The Hokkaido University Museum; FFPRI; Forestry and Forest Products Research Institute. ***Seasonal data on diet were not provided. ****The ecological survey of Okutama deer was conducted by the Bureau of Waterworks, Tokyo Metropolitan Government.