7 articles in this issue
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Hasnawir Hasnawir
Rainfall thresholds that form the basis of the landslide warning systems now exist for a few areas in Indonesia. Based on analysis of historical data, threshold performance varies according to precipitation characteristics, and threshold excee... see more
Subyakto Subyakto,Nanang Masruchin,Kurnia Wiji Prasetiyo,Ismadi Ismadi
Sisal (Agave sisalana) as a perennial tropical plant grows abundantly in Indonesia. Its fibers can be used as the reinforcement agent of biocomposite products. Utilization of sisal as natural fiber has some notable benefits compared to synthetic fibers, s... see more
Tyas Mutiara Basuki,Nining Wahyuningrum
Carbon stock in tree biomass can be quantified directly by cutting and weighing trees. It is assumed that 50% of the dry weight of biomass consists of carbon. This direct measurement is the most accurate method, however for large areas it is considered ti... see more
Vivi Yuskianti,Keiya Isoda
Pollen pattern dispersal in seedling seed orchard (SSO) is an essential part of a tree-improvement program. Two SSOs of Acacia mangium in South Kalimantan and South Sumatra that represent similar resources in different environments were used in this study... see more
Anthonius Y.P.B.C. Widyatmoko,Susumu Shiraishi
The geographic variation of chloroplast DNA (cpDNA) haplotypes of Acacia aulacocar pa was investigated among 18 natural populations. These populations represent the geographical range of the species in New Guinea Island and Q... see more
Arif Nirsatmanto,Teguh Setyaji,Surip Surip
Comprehensive tree improvement program for Acacia mangium has been started since 1992 by establishing a series of first generation Seedling Seed Orchards (SSO) in Indonesia. Sel... see more