Secondary Forest
A forest or woodland area which has re-grown after a major disturbance but is not yet at the end point of succession (climax forest), usually distinguished by differences in ecosystem functionality, vegetation species diversity, structural complexity, etc.
"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
Forest regenerated largely through natural processes after significant human or natural disturbance of the original forest vegetation.
Making forest concessions in the tropics work to achieve the 2030 Agenda: Voluntary Guidelines, FAO Forestry Paper No. 180, 2018 (http://www.fao.org/3/I9487EN/i9487en.pdf).