Seinan islands

Country/territory: Japan

IBA Criteria met: A1, A2 (2004)
For more information about IBA criteria please click here

Area: 1,200 ha

Protection status:

Wild Bird Society of Japan
Most recent IBA monitoring assessment
Year of assessment Threat score (pressure) Condition score (state) Action score (response)
2015 medium not assessed low
For more information about IBA monitoring please click here

Site description
The site is situated in the southwest of Kochi Prefecture. Influenced by the Japan Current the climate of the islands is warm with a relatively high temperature and high humidity. Many plants with subtropical features grow. In the sea bottoms groups of reef forming beautiful hermatypics are in existence. Fish are also abundant and diversified. Okinoshima is consisted of granite and there are series of cliffs eroded by seawater and steep slopes. In Biroujima there are communities of herbaceous plants, and also communities of Machilus tunbergii are seen.

Recommended citation
BirdLife International (2020) Important Bird Areas factsheet: Seinan islands. Downloaded from on 30/10/2020.