Miyakejima, which is located about 180 km south-southwest of Tokyo metropolitan area, is a volcanic island with the circumference of nearly 35 km and with an area of 55.5 km2. This island has experienced repeated volcanic eruptions, and some distinctive volcanic features like Tairo-ike pond and the former Shinmyo-ike pond can be seen everywhere on the island. From the shore to the area around 450 m above the sea level, we can see evergreen broadleaf forests which mainly consist of Castanopsis cuspdata , Machilus tunbergii and Camellia japonica, etc., as well as secondary forests which consist of some kinds of Alnus japonica and Prunus speciosa, etc.
BirdLife International (2021) Important Bird Areas factsheet: Miyakejima island. Downloaded from
http://www.birdlife.org on 16/01/2021.