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Promoting Biodiversity: Advances in Evaluating Native Species for ReforestationbackgroundThis article describes the design of a long-term species screening trial conducted at La Selva Biological Station in Costa Rica. Research Goals & MethodsGrowth and survivability data is presented for 84 species (17 popular exotics used for timber and 67 little-known local species with timber potential) at 3 years of age. Available with subscription or purchase |
Screening trial of 14 tropical hardwoods with an emphasis on species native to Costa Rica: Fourth year resultsBackgroundCommercial forestry plantations have consistently relied on a limitd number of species, often favoring exotic species over native ones. This is mainly due to a lack of information or understanding related to the silviculture of native species plantations. This article uses a long-term experiement site in Costa Rica's La Selva Biological Station to work towards filling this knowledge gap. Available with subscription or purchase |
Canopy development in tropical tree plantations: a comparison of species mixtures and monoculturesBackgroundThe establishment of plantation monocultures has dominated much of the intensive forest management practiced in the humid tropics of the Americas, with most forestry research and practice concentrating on a small number of non-indigenous species. Growing interest exists in modifying these practices both by creating mixed-species plantations and by making greater use of native tree species. 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 |
Árboles de uso multiple en El Salvador: Un manual para propagación y reforestación (Multipurpose trees in El Salvador: a manual for propagation and reforestation)EspañolAntecedentesEl Salvador es uno de los países del hemisferio oeste con mayor deforestación . En el año 1998 este país contaba con tan solo el 2% de sus bosques originales en pie. A pesar del interés de la población en realizar actividades de reforestación, existe una gran falta de información sobre especies nativas adecuadas para este fin. Available with subscription or purchase |
Especies para reforestación en Nicaragua (Species for Reforestation in Nicaragua)BackgroundThis manual provides information about multipurpose trees in Nicaragua. Available with subscription or purchase |
Understory Development in Young Cordia alliodora PlantationsbackgroundThis article presents the findings of a study evaluating the biomass and composition of understory plants in 1- and 5- year old plantations at the La Selva Biological Station in Costa Rica. Available with subscription or purchase |
Evaluation of Reforestation Potential of 83 Tree Species Planted on Imperata cylindrica Dominated Grassland – A case Study from South Kalimantan, IndonesiabackgroundIn this study, 83 tree species (native and exotic) were tested for their growth and survival in species selection trials in South Kalimantan, Indonesia. Available with subscription or purchase |
The Structure and Composition of a Tropical Dry Forest Landscape After Land Clearance; Azuero Peninsula, PanamabackgroundAvailable with subscription or purchase |
Coffee Agroforestry Systems in Central America: II. Development of a Simple Process-Based Model and Preliminary ResultsBackgroundAvailable with subscription or purchase |
Shade management in coffee and cacao plantationsBackgroundShade trees reduce the stress of coffee (Coffea spp.) and cacao (Theobroma cacao) by ameliorating adverse climatic conditions and nutritional imbalances and increase the biodiversity of coffee farms, but they may also compete for growth resources. This review summarizes the literature on ecological aspects of shade-grown coffee and cacao and on management of shade trees, but does not address economic and social aspects of shade-grown coffee and cacao. Available with subscription or purchase |
A Review of the Agroforestry Systems of Costa RicaBackgroundThis literature review provides a historical overview of agroforestry systems in Costa Rica from the 1970s to the present. Available with subscription or purchase |
A Survey of Small-Scale Farmers Using Trees in Pastures in Herrera Province, PanamabackgroundThe Herrera Province on the Azuero Peninsula of Panamá has experienced significant deforestation for the purpose of cattle ranching. Available with subscription or purchase |
Screening Trial of 14 Tropical Hardwoods with an Emphasis on Species Native to Costa Rica: Fourth Year ResultsBackgroundA lack of silvicultural information on native timber species in the tropics has contributed to the propogation of fast-growing exotic tree species in reforestation efforts. The plantations evaluated at the La Selva Biological Station in Costa Rica were considered marginal lands with low input of forest maintenance, reflecting the conditions of many lands that farmers would use for reforestation. Available with subscription or purchase |