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Local Impacts and Responses to Regional Forest Conservation and Rehabilitation Programs in China's Northwest Yunnan provincebackgroundThis article reviews large-scale government reforestation activities in Yunnan Province, China. Agricultural development in the past half century in the Salween and Mekong watersheds in northwest Yunnan has resulted in severe erosion. The government has recently banned logging and instituted large-scale reforestation programs at the same time. These reforestation projects use Pyrus pyrifolia, Pinus yunnanensis and Pinus armandii. Available with subscription or purchase |
Forest Rehabilitation and its Implication for Forest Transition TheorybackgroundThis article reviews the history of forest rehabilitation in Vietnam, Philippines, China, Peru, Indonesia, and Brazil. Available with subscription or purchase |
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 |
Effects of Afforestation on Water Yield: A Global Synthesis with Implications for PolicybackgroundThis study synthesizes data from global studies on reforested and afforested areas and compares these to grassland and shrubland areas. In particular, the authors measure response to water runoff. Available with subscription or purchase |
Mixed-Species Plantings in Regreening the Bare Hills: Tropical Reforestation in the Asia-Pacific RegionbackgroundThis chapter reviews the use of mixed plantations for the goal of reforestation. Mixed plantantions are a more efficient use of resources, pest resistance, and economic and ecological resilience. When establishing a new tropical reforestation program, if unaware of site conditions (and what species to choose), mixed plantations can provide greater insurance. Mixed plantations are more expensive to establish but may provide insurance against volatile markets. Available with subscription or purchase |
Effect of Prior Land Use on the Recolonization of Native Woody Species under Plantation Forests in the Highlands of EthiopiabackgroundThis study analyzes the recolonization of native woody species in 16-18 year old plantation forests (Eucalyptus saligna and Cupressus lusitanica) in the highlands of Ethiopia. Goals & MethodsEffects of recolonization were evaluated through assessing naturally regenerating flora (NRF) and soil seed banks (SSB) in plantation forests established on abandoned farmland and cleared natural forest sites. About 66 plant species were recorded in the NRF and 55 plant species germinated from the soil samples collected for SSB analysis. Available with subscription or purchase |
Management of sedimentation in tropical watershedsBackgroundThe sedimentation of reservoirs is a serious problem throughout the tropics, yet most attempts to control sedimentation in large river basins have not been very successful. Reliable information on erosion rates and sources of sediments has been lacking. This paper discusses some of the limitations in estimating erosion and sedimentation and encourages development of specific sediment budgets in order to extrapolate equations and generate management procedures. Available with subscription or purchase |
Hydrological Functions of Tropical Forests: Not Seeing the Soil for the trees?backgroundThis literature review provides a summary of hydrological functions in tropical forests and includes differences in the hydrology of disturbed areas, secondary forests, and mature forests. Available with subscription or purchase |
Direct Seeding of Forest Trees in Grassland Communities of Carranglan, Luzon IslandbackgroundThis study concerns the survival of 12 native pioneer species and one exotic species when directly sown into grasslands (Themeda triandra and Imperata cylindrica grasses). They were monitored for 16 weeks . The Authors note that direct seeding studies are important because direct seeding is cheaper and faster than nursery propagation. Available with subscription or purchase |
Exploiting the Potential of Indigenous Agroforestry Trees: Parkia biglobosa and Vitellaria paradoxa in Sub-Saharan AfricabackgroundThis article reviews the agroforestry potential of two native African savanna trees, Parkia biglobosa (locust bean) and Vitellaria paradoxa (shea). Available with subscription or purchase |
