BIODIVERSITAS ISSN: 1412-033X Volume 21, Number 2, February 2020 E-ISSN: 2085-4722 Pages: 556-563 DOI: 10.13057/biodiv/d210217 Ex-situ conservation and management of dipterocarps genetic resources through seedlings collections and nursery establishment HENTI HENDALASTUTI RACHMAT1,♥, RIZKI ARY FAMBAYUN1, KUSUMADEWI SRI YULITA2, ARIDA SUSILOWATI3 1Forest Research and Development Centre, Agency of Research Development and Innovation, Ministry of Environment and Forestry. Jl. Gunung Batu 5, Bogor 16610, West Java, Indonesia. Tel.: +62-251-8633234; Fax.: +62-251-8638111, email:
[email protected],
[email protected] 2Research Center for Biology, Indonesian Institute of Sciences. Jl. Raya Bogor Km 46, Cibinong, Bogor 16911, West Java, Indonesia 3Faculty of Forestry, Universitas Sumatera Utara. Jl. Tridharma Ujung No.1, Kampus USU, Medan 20155, North Sumatra, Indonesia Manuscript received: 2 October 2019. Revision accepted: 16 January 2020. Abstract. Rachmat HH, Fambayun RA, Yulita KS, Susilowati A. 2020. Ex-situ conservation and management of dipterocarps genetic resources through seedlings collections and nursery establishment. Biodiversitas 21: 556-563. Dipterocarpaceae is a pantropical tree family that spread throughout Asia, including Indonesia. Dipterocarps species are highly valued for their timber. However, their existence is threatened due to illegal logging, forest degradation, and land conversion, result in population reduction in their natural habitat. Conservation nursery is one of germplasm conservation concepts that