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Tree Management in the Northwestern Andean Cordillera of PeruBackgroundPeasant communities in the northwestern Andean Cordillera of Peru utilize many indigenous and introduced trees and shrubs to satisfy a variety of material needs. However, forest resources are over-harvested and over-grazed, contributing to soil erosion. This study aims to identify the major tree and shrub species in the region and understand their ecologies and usages, and to recommend priorities for reforestation in the region taking human usage into account. Available with subscription or purchase |
Analysis of the Carbon Sequestration Costs of Afforestation and Reforestation Agroforestry Practices and the Use of Cost Curves to Evaluate their Potential for Implementation of Climate Change MitigationbackgroundThis article analyzes the carbon sequestration costs of agroforestry afforestation/reforestation projects (ARPs) as part of the UN's Clean Development Mechanism by evaluating both economies of scale and opportunity costs that affect total sequestration costs. The study uses an agroforestry project called Scolel Té in Chiapas, Mexico to calculate the average net present value (ANPV) of the project in terms of carbon price and project area. Available with subscription or purchase |
Combinations of trees and crops in the taungya method as applied in ThailandBackgroundIn this article, the authors desribe the 'taungya' methods used in Thailand for reforestation and agroforestry in the 1980s. This method was primarily used under theForest Village Programme, during which landless people were given 1.6 ha of land to reforest and raise their crops. Available with subscription or purchase |
Geographic Variation in Tree Growth and Wood Density of Guazuma crinita Mart. in the Peruvian AmazonbackgroundThis research addresses intra-specific variation in the native Peruvian tree species Guazuma crinita, a fast-growing pioneer species and priority timber tree used in reforestation and agroforestry systems. It also evaluates the tree growth and wood density of G. crinita varieties from 11 provenances in the Peruvian Amazon. Available with subscription or purchase |
Influence of Overstory Composition on Understory Colonization by Native Species in Plantations on a Degraded Tropical SitebackgroundThis study evaluates forest understory regeneration in a 4.5 year-old plantation in Puerto Rico. The plantations, established in 1989, were planted on abandoned pasture in mixtures or monocultures of three exotic species: Casuarina equisetifolia, Eucalyptus robusta, and Leucaena leucocephala. Available with subscription or purchase |
Profiles of Carbon Stocks in Forest, Reforestation and Agricultural Land, Northern ThailandbackgroundThis study evaluates the difference in above-ground and below-ground carbon stock between forest, reforestation, and agricultural land in northern Thailand. Available with subscription or purchase |
A Re-emerging Atlantic Forest? Urbanization, Industrialization and the Forest Transition in Santa Catarina, Southern BrazilbackgroundThe Atlantic Forest region of southern Brazil has experienced rapid urbanization and industrialization in the second half of the 20th century. Trends in other regions of the world might suggest this would lead to increased forest cover in rural areas, however a developing country such as Brazil may present a different scenario. Available with subscription or purchase |
Afforestation and Forestry Land Allocation in Northern Vietnam: Analysing the Gap Between Policy Intentions and OutcomesbackgroundThis study looks at the policy factors surrounding the government's allocation of farmland for afforestation in northern Vietnam. This study takes place in the context of other large-scale afforestation projects conducted by governments in tropical countries, where land rights and livelihoods of local farmers can be at risk. Available with subscription or purchase |
Linking Reforestation Policies with Land Use Change in Northern Vietnam: Why Local Factors MatterbackgroundBased on a case study in Vietnam, this study seeks to understand the extent to which common state policies on land management actually contribute to reforestation. Available with subscription or purchase |
The Causes of the Reforestation in VietnambackgroundWood exploitation and agricultural expansion led to large-scale deforestation in Vietnam. Since the mid-1990s, forest cover in many areas has increased both in the form of natural regeneration and tree plantations. Policies such as the 1993 Land Law offered households rights to forestland and tree planting campaigns such as the Five Million Hectare Reforestation Programme made people responsible for owning and protecting forest land. Available with subscription or purchase |
The Fate of the Tropical Forest: Carbon or Cattle?backgroundThe Clean Development Mechanism, established by the Kyoto Protocol, includes small-scale afforestation and reforestation projects as a means for participating developed countries to receive credit for emission redcutions. Available with subscription or purchase |
Beyond Basic Needs: Participation and Village Reforestation in ThailandBackgroundAt present, many federally-sponsored community reforestation projects engage communities by hiring local labor to establish plantations with fast-growing tree species. This method ignores the importance of local knowledge and local-level accountability that improves the chances of a project's survival. Available with subscription or purchase |
Determinants for Successful Reforestation of Abandoned Pastures in the Andes: Soil Conditions and Vegetation CoverBackgroundThis article compares the growth of native and exotic species seedlings planted in abandoned pasture and among brachen ferns and shrubs in Andean Ecuador over three years. Available with subscription or purchase |
Soil compaction and topsoil removal effects on soil properties and seedling growth in Amazonian EcuadorBackgroundSoil properties affect plant growth including during germination and establishment. Topsoil loss, nutrient loss, and compaction due to industrial activity in forest may impact forest regeneration. This study reports on soil properties and seedling growth following topsoil removal in Amazonian Ecuador. Available with subscription or purchase |
Effect of Nurse Tree Species on Early Growth of Anisoptera marginata Korth. (Dipterocarpaceae) on an Imperata cylindrica (L.) Beauv. Grassland Site in South Kalimantan, IndonesiabackgroundThis study evaluates the survival of Anisoptera marginata, a native dipterocarp species, underplanted in four year old plantations of fast-growing exotics: Acadia crassicarpa, Acacia mangium, Gmelina arborea, Paraserianthes falcataria. Available with subscription or purchase |
Between and Within-Site Comparisons of Structural and Physiological Characteristics and Foliar Nutrient Content of 14 Tree Species at a Wet, Fertile Site and a Dry, Infertile Site in PanamabackgroundAvailable with subscription or purchase |
Impacts of Herbicide Application and Mechanical Cleanings on Growth and Mortality of Two Timber Species in Saccharum spontaneum Grasslands of the Panama Canal WatershedbackgroundThis study evaluates the effectiveness of weed control treatments (herbicide application and mechanical cleanings) in promoting the growth and survival of the exotic tree species Tectona grandis and the native tree species Terminalia amazonia. Available with subscription or purchase |
Restoration of Pasture to Forest in Brazil's Mata Atlântica: The Roles of Herbivory, Seedling Defenses, and Plot Design in ReforestationBackgroundIn this study, seedling growth and herbivory were monitored during the first 4 years of plot development in a large-scale reforestation experiment in Brazil’s Atlantic Rainforest (Mata Atlantica). Available with subscription or purchase |
Is Tree Diversity an Important Driver for Phosphorus and Nitrogen Acquisition of a Young Tropical Plantation?backgroundThis article presents the effect of native species diversity on the nitrogen and phosphorous pools above-ground in a plantation in the Canal Zone of Panama. Available with subscription or purchase |
Initial Performance and Reforestation Potential of 24 Tropical Tree Species Planted Across a Precipitation Gradient in the Republic of PanamabackgroundThe authors of this study planted trees from 22 native species and two exotic species to use in selection trials testing the growth and survivability of trees in plantations in three different sites. Available with subscription or purchase |