1. Baskin Y (1998) The work of nature, how the diversity of life sustains us. Islands, Washington
2. Bell SS, Fonseca MS, Motten LB (1997) Linking restoration and landscape ecology. Restor Ecol 5:318–323
3. Biodiversity Center of Japan (2004a) Threatened species. Retrieved from the Web 02/12/2004. http://www.biodic.go.jp/english/rdb/rdb_f.html
4. Biodiversity Center of Japan (2004b) Laws and treaties for nature conservation. Retrieved from the Web 02/12/2004. http://www.biodic.go.jp/english/biolaw/law_f.html
5. Canham CD, Marks PL (1985) The response of woody plants to disturbance; patterns of establishment and growth. In: Pickett STA, White PS (eds) The ecology of natural disturbance and patch dynamics. Academic, San Diego, pp 197–216