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Cattle and Weedy Shrubs as Restoration Tools of Tropical Montane RainforestbackgroundIn abandoned Latin American pastures, grasses often inhibit the establishment of woody species. This study tests the effect of cattle grazing on woody and herbaceous vegetation establishment in pastures of P. clandestinum and M. minutiflora. Available with subscription or purchase |
Effects of Different Light Levels on the Initial Growth and Photosynthesis of Croton urucurana Baill. in Southeastern BrazilbackgroundThis study measures the effect of different levels of shading on growth, chlorophyll concentration, and photosynthetic rate of Croton urucurana, a pioneer species potentially important in reforestation efforts in riparian forests of Brazil. Open access copy available |
Deficiência de macronutrientes em mudas de Sangra d’Agua (Croton urucurana, Baill.)Open access copy available |
The Structure and Composition of a Tropical Dry Forest Landscape After Land Clearance; Azuero Peninsula, PanamabackgroundAvailable with subscription or purchase |
Early Growth of Native and Exotic Trees Planted on Degraded Tropical PasturebackgroundThis study describes the potential of two exotic and five native tree species to restore degraded land in Costa Rica. Research Goals & MethodsThirty blocks were established over 25 hectares of abandoned cattle pasture and tree height was measured at 3 and 7 years and tree survival was measured after 7 years. Available with subscription or purchase |
The Apparent Paradox of Reestablishing Species Richness on Degraded Lands with Tree MonoculturesbackgroundThis article discusses the use of tropical tree plantations as an approach to rehabilitation of degraded landscapes. For extremely degraded sites, the use of plantations may provide the proper shade, microclimate and protection for other species to colonize the understory. Research on the use of plantations in restoration is discussed, with examples primarily from Puerto Rico. Open access copy available |
Growth and effects of thinning of mixed and pure plantations with native trees in humid tropical Costa RicaBackgroundAs reforestation with native tree species gains in popularity, more information about proper management is needed. This study examines the growth and responses to thinning of ten native species in mixed and pure-species plantations in the Caribbean Lowlands of Costa Rica. Open access copy available |
Pure and Mixed Forest Plantations with Native Species of the Dry Tropics of Costa Rica: A Comparison of Growth and ProductivitybackgroundThis research monitored the growth and survival of 13 natives species in pure and mixed-species plantations, and compared the results to measurements of T. grandis, an exotic species commonly planted in the area. Open access copy available |
Studies on the Seed Biology of 100 Native Species of Trees in a Seasonal Moist Tropical Forest, Panama, Central AmericaBackgroundSince 1998, the Panama Canal Watershed has experienced a decline in forest cover. The watershed ensures a functioning canal, thus there has been a significant investment in resources to reforest and restore the region. While these projects have focused primarily on native species, there has been issues with seed-handling. Available with subscription or purchase |
How Successful is Tree growing for Smallholders in the Amazon?backgroundOpen access copy available |
Temporary Storage of Jussara Palm Seeds: Effects of Time, Temperature and Pulp on Germination and VigorbackgroundThe seeds of the jussara palm (Euterpe edulis) are recalcitrant and immediate sowing is not always possible after harvest; hence, research that examines the ability of the seeds to be stored and the effect of this storage on germination proves important. Open access copy available |
Bioecologia de Arboles Nativos y Exoticos de Puerto Rico and Las Indias Occidentales (Silvics of Native and Exotic Trees of Puerto Rico and the Caribbean Islands)EspañolSobreEsta base de datos fue publicada en Junio del 2000 por el USDA y el US Forest Service como recurso para la identificación y propagación de árboles nativos y exóticos de Puerto Rico y el Caribe. Open access copy available |
Tree Atlas of Panama: Trees, Shrubs, and PalmsAboutThe Tree Atlas of Panama is a digital database established by the Center for Tropical Forest Science and the Smithsonian Tropical Resource Institute that aims to help with the identification of trees, shrubs, and palms of Panama. Open access copy available |
Performance of forest plantations in small and medium-sized farms in the Atlantic lowlands of Costa RicaBackgroundWhile exotic trees are typically used in plantations throughout the tropics, there has been recognition that certain native species are also suitable. This study aims to compare the viability of both native and exotic tree species for plantation use. Open access copy available |
Applying Indigenous Knowledge to the Restoration of Degraded Tropical Rain Forest Clearings Dominated by Bracken FernbackgroundThe indigenous Lacandon Maya people of southern Mexico use a rotational agriculture system known in Spanish as the milpa for production of maize and other crops. This system rotates production to different plots, allowing the forest and soil to recover in the fallow years between production periods. In some cases, the Lacandon people actively manage forest recovery, sowing Balsa trees to prevent plots from being taken over by the invasive Bracken fern. Available with subscription or purchase |
Plant Growth-Promoting Bacteria: A Potential Tool for Arid Mangrove ReforestationbackgroundMicrobes (bacteria and fungi) play a crucial role in nutrient recycling in mangrove systems, which are nutrient deficient. Microbes make nutrients, especially nitrogen and phosphorous, available to mangroves, while mangroves may improve soil conditions for microbes (for example, by oxidizing the soil). PGPB may be nitrogen fixers, phosphate solubilizers, mineral uptake enhancers, and phytopathogen controllers. Available with subscription or purchase |
Emerging Threats and Opportunities for Large-Scale Ecological Restoration in the Atlantic Forest of BrazilbackgroundThis article presents a policy model known as the Atlantic Forest Restoration Pact (AFRP) and discusses the vital role the Brazilian Forest Act and other legislation has played in preventing deforestation and encouraging reforestation. Available with subscription or purchase |
Forest Plantations in Costa Rica and Nicaragua: Performance of Species and Preferences of FarmersbackgroundThis paper presents data on the survival and growth of mixed native and exotic forest plantations established on abandoned pastures in Costa Rica and Nicaragua. The article also includes information on farmer species preference and socioeconomic information. Open access copy available |
Restoring abandoned pasture land with native tree species in Costa Rica: Effects of exotic grass competition and lightBackgroundAvailable with subscription or purchase |
Monitoring of Black Mangrove Restoration with Nursery-Reared Seedlings on an Arid Coastal LagoonbackgroundThis paper describes a reforestation experiment with black mangrove (Avicennia germinans) in an arid mangrove forest of Baja California Sur, Mexico. In arid mangrove systems, natural regeneration and small-scale reforestation are not adequate to restore mangrove forests, as they may be in the humid tropics. Thus, alternative nursery techniques for arid mangroves must be developed. Available with subscription or purchase |