INVENTARISASI TANAMAN JELUTUNG (DYERA COSTULATA HOOK) SEBAGAI TUMBUHAN LANGKA YANG TERDAPAT DI ARBORETUM UNIVERSITAS RIAU
Abstract: Dyera costulata Hook
is one of the priority tree species that have a high enough potensial to be
developed, because wood of Dyera costulata Hook has a high economic value and
its existence is endangered. Based on threat category of population according to
the IUCN, species of Dyera costulata Hook included in the category nearly
threatened. Arboretum is one type of ex-situ conservation. Ex-situ conservation
purpose is to protect and preserve the species, especially the flora and fauna
that are rare. Purpose of the implementation of this study was to determine the
availability, amount and dominance of Dyera costulata Hook found in the
arboretum of Riau University. Techniques of data collection is done by using
the census method. The results showed that there are only 3 rods Dyera
costulata Hook (0,17 %) whereas 1.789 rods (99,83 %) is a type of non jelutung.
INP at a rate of 0 % seedling, sapling rate of 0 %, 1,15 % for poles rate and
tree level of 0 %.
Penulis: Zul Ningsi, M.
Mardhiansyah ', Tuti Arlita
Kode Jurnal: jppertaniandd160137
