Abstract
Teak (Tectona grandis) is a valuable tropical timber species, but knowledge about its environmental adaptability for tree breeding is limited. Progeny trial is crucial for improving breeding materials as progeny performance and resilience to environmental stresses can be assessed for future breeding effort. In this study, we examined the variations in growth, crown architecture and leaf traits in a progeny trial in Indonesia. We retained the best components
Abstract
This study aimed to evaluate extractive composition and antioxidant activity of Acacia hybrid (Acacia mangium × Acacia auriculiformis) variety, namely Purwo Sri Ah015D wood, as a first step in future development to improve resistance to diseases. Wood powder from axial (bottom, middle, top) and radial (near pith and near bark) positions were successively extracted by n-hexane, methanol, and hot water solvents. The dried extracts (except n-hexane) were used
Abstract
In the tropical forests of Southeast Asia, the dipterocarp species stands out as the most significant tree group in terms of ecosystem stability and forestry management. Shorea macrophylla, found on Borneo Island, is particularly noteworthy for its rapid growth, high oil content nut production, and versatile timber characteristics, making it a prime candidate for plantation material in rehabilitating degraded forests. We collected population samples of S. macrophylla
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Abstract
Social forestry is one of the Indonesian government’s programs to reduce deforestation and improve community welfare. After a decade, it is not yet known how the dynamics of land management related to the level of disturbance and recovery before and after the permit in the Tuar Tana Community Forest (HKm Tuar Tana) area in East Nusa Tenggara Province. This study aims to investigate the dynamics of land management by monitoring the level of disturbance and
Abstract
Urbanization in the Global South is increasingly influenced by large-scale infrastructure and frontier development, frequently exacerbating disparities and displacing marginalized populations. This paper situates Indonesia’s new capital (IKN) within debates on neoliberal urbanism and resource extraction, examining how long-established resource-based communities in East Kalimantan perceive IKN’s urbanisation. Research was conducted in a village within IKN’s
Abstract
Ultisols are commonly found in the tropics and are potentially suitable for plantation forestry. However, as well as being acidic (pH 5.0), they are commonly infertile and require fertiliser addition if commercial yields are to be achieved. A field experiment on a low productivity Ultisol at Lematang, South Sumatra, investigated the effect of seed source on the height, diameter and volume of Acacia mangium until age 36 months. Four seed sources were used:
Abstract
Mangrove forests play an important role in climate change mitigation and have attracted significant attention from scholars, governments, businesses, and non-governmental organizations. Therefore, this study aims to (1) describe land cover changes caused by rehabilitation activities and (2) investigate the dominant factors affecting mangrove improvement through rehabilitation activities. Land cover changes were monitored using Landsat 5 TM, Landsat 7 ETM+,
Abstract
This study aimed to investigate morphology and proportion of wood cell due to effect of lateral growth rate and radial position in white jabon [Neolamarckia cadamba (Roxb.) Bosser]. A total of nine trees of 10-year-old were used and wood samples were collected from the trees grown in progeny trial plot in Central Java Province, Indonesia. The parameters observed were cell morphology and proportion, including fiber length, fiber diameter, fiber lumen diameter,
Abstract
The increased demand for lightweight wood products requires genetic improvements in the growth, wood properties, and stress tolerance of fast-growing timber species. Falcataria falcata (Leguminosae) is one of the fastest-growing trees worldwide and an important multipurpose plantation species. This species is distributed across various geological locations in Southeastern Asia and Melanesia; therefore, populations from different regions may show phenotypic
