Gmelina arborea
Plantation Forestry in Sub Saharan Africa: Silvicultural, Ecological and Economic AspectsBACKGROUNDPlantation forestry in Africa is practiced using exotic species to supply timber and non- timber forest products, which are for industrial and non- industrial purposes. Ownership of the plantations extends from governments and large industrial corporations to individual farmers. Private plantations are performing well, with a better supply compared to the public ones. Plantation programs in Africa have undergone various challenges leading to a decline in production in the past two decades. Open access copy available |
The Future of Plantation Forests and Forest-Based Industry in IndonesiaBackgroundThe author explores the historical development of plantation forests in Indonesia and then concludes that a stable governmental framework is crucial to facilitate sustainable plantation forest development. He also highlights the importance of cooperation with the processing industry and the alignment of the latter to potential markets. Open access copy available |
Early effects of four fast-growing tree species and their planting density on ground vegetation in Imperata grasslandsBackgroundThe study aimed to test the early effects of four successful reforestation fast-growing exotics tree species and alternative planting densities on the development of ground vegetation. The study was conducted in Riam Kiwa, South Kalimantan, Indonesia in Imperate grasslands. The four fast-growing exotics tree species used in the study were Acacia mangium, Acacia crassicarpa, Gmelina arborea, and Paraserianthes falcataria. Available with subscription or purchase |
Comportamiento de las especies y preferencias de los productores. Plantaciones forestales en Costa Rica y Nicaragua (Species behavior and farmers' preferences. Forest plantations in Costa Rica and Nicaragua)EspañolantecedentesLos autores estudiaron plantaciones comerciales en 112 fincas de productores forestales, en el Cantón de Sarapiquí, Costa Rica y el Departamento de Carazo, Nicaragua. objetivos y metodologíaEl trabajo realiza un inventario de las plantaciones forestales en todas las fincas estudiadas. Las variables evaluadas incluyen: supervivencia, dap, altura total, forma y sanidad de los árboles. Open access copy available |
Secondary Forest Regeneration under Fast-Growing Forest Plantations on Degraded Imperata cylindrica GrasslandsBackgroundThis study compares the regeneration of native tree species under the canopy of tree plantations, riverine areas, and uncultivated grassland areas in the Riam Kiwa plantation area of South Kalimantan, Indonesia. This area has a distinct dry season and deeply weathered, acidic soils, and is considered good for forest plantations. Available with subscription or purchase |
Designing Mixed Species Tree Plantations for the Tropics: Balancing Ecological Attributes of Species with Landholder Preferences in the PhilippinesbackgroundThis paper reports on the assessment of forest stands planted as part of the Rainforestation Farming Program and the management of plantations by local landowners regarding the original intent of planting. Research Goals & MethodsData was collected beginning 6-11 years after initial plot planting. Forest stands were evaluated for structure and floristic composition. Subsequent measurements were taken in 2008 and 2012. Open access copy available |
Early Effects of Four Fast-Growing Tree Species and Their Planting Density on Ground Vegetation in Imperata grasslandsbackgroundThis study aims to test the success of fast-growing exotics tree species and alternative planting densities on the development of ground vegetation. The study was conducted in Riam Kiwa, South Kalimantan, Indonesia in Imperata grasslands. The four fast-growing exotic tree species used in the study were Acacia mangium, Acacia crassicarpa, Gmelina arborea, and Paraserianthes falcataria. Available with subscription or purchase |
Gmelina Boom, Farmers Doom: Tree growers risks, coping strategies and optionsBackgroundThe widespread smallholder tree plantations of Gmelina arborea established in the South Philippines in the 1980s led to price boom and bust cycles rather than the expected economic returns for growers. This study evaluates grower responses to the timber price bubbles of the 1990s and recommends policy responses. Open access copy available |
Effect of Site Preparation and Initial Fertilization on the Establishment and Growth of Four Plantation Tree Species used in Reforestation of Imperata cylindrica (L.) Beauv. Dominated GrasslandsbackgroundThis study describes site preparation techniques for the regeneration of four native tree species in Imperata cylindrica- dominated areas of South Kalimantan, Indonesia. Goals & MethodsTwo trials were run. The first one examined the effects of strip plowing and complete plowing on the performance of Acaca mangium. The second trial compared the effects of complete plowing, herbicide treatment and fertilization (NPK) on four tree species commonly use in Imperata grassland reforestation. Available with subscription or purchase |
Amelioration of degraded rain forest soils by plantations of native treesbackgroundWhile much has been studied about the ability of tree growth to improve degraded soils in temperate zones, less is known about the impacts of tree growth on degraded soils in tropical zones. research goals & methodsThis study looks at the effects of trees planted in abandoned pasture land in northeastern Costa Rica, 25 years after that land had been cleared of rainforest. The soil was sampled before tree planting and 4 years after the trees became established. Available with subscription or purchase |
