Keystone Tree Species
Definition
The term used to describe tree species vital to the support of animal populations, usually by flowering or fruiting at times when other food resources are in short supply.
Source
"Glossary", FOREST RESTORATION RESEARCH UNIT, 2008. "Research for Restoring Tropical Forest Ecosystems: A Practical Guide". Biology Department, Science Faculty, Chiang Mai University, Thailand. http://www.forru.org/PDF_Files/rfrtfpdf/rfrtfappendix.pdf