Species Characteristics

Caracterização do Dossel e do Estrato de Regeneração Natural no Sub-Bosque e em Clareiras de Uma Florestal Estacional Semidecidual no Município de Viçosa, MG

The authors analyzed clearings in a forest reserve belonging to the Federal University of Viçosa, MG, to compare the species and composition of clearing and forest understory vegetation. The found that the level of diversity (Shannon index) and species found (n= 69) were similar in the clearings and the understory in the surrounding forest. Coffee (Coffea arabica) and Picramnia regnellii were the most common species in both the clearings and the understory. The authors suggest that the dominance of coffee may be problematic for the regeneration of native species.

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Florestas e Bioenergia (Forests and Bioenergy)

This article is an overview of the present status and prospects for the use of planted forests for bioenergy in São Paulo state, Brazil. The author compiled data to estimate the state's land area suitable for forest biomass production. Sugarcane and eucalyptus plantations were compared in terms of energy production and costs, with eucalyptus being slightly more than half as expensive / unit energy / hectare as sugarcane. Finally, a series of policy recommendations necessary to facilitate the use of forests for energy production.

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Especies forestales nativas con potencial para reforestación en la provincia de Oxapampa, Perú (Native forest species with reforestation value in Oxapampa, Peru)

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Antecedentes

La organización Pronaturaleza, con el apoyo de The Nature Conservancy (TNC), se encuentra formulando un proyecto de secuestro de carbono con la finalidad de ejecutar Programas de Reforestación y Conservación de Bosques en la zona de amortiguamiento de tres áreas Naturales protegidas en la provincia de Oxapampa, Perú.

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Domesticación de recursos naturales nativos en condiciones agroecológicas en el trópico húmedo en el Caribe de Costa Rica (Domestication of native resources in agro-ecological conditions in the humid tropics in Costa Rica)

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Antecedentes

Bougainvillea S. A. es una iniciativa privada que implementa acciones de domesticación e investigación de plantas medicinales y aromáticas nativas en colaboración con organizaciones académicas y de investigación de Costa Rica y Estados Unidos.

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Modelos alométricos para la estimación de biomasa aérea de dos especies nativas en plantaciones forestales del trópico de Cochabamba, Bolivia (Allometric models for estimating aboveground biomass in Cochabamba, Bolivia)

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Cobertura De Copas Como Indicador De Desenvolvimento Estrutural De Reflorestamentos De Restauração De Matas Ciliares No Médio Vale Do Paranapanema, SP, Brasil

This study analyzed crown cover in riparian forests 1 to 3 years after reforestation in the Médio Vale do Rio Paranapanema, São Paulo, Brazil to evaluate the technique as a means to monitor the progress of restoration. Using a line inspection technique, crown cover significantly correlated with age, height, basal area, and DBH. The authors concluded that this is a suitable technique for planted riparian forests up to 3 years in age to evaluate changes in forest structure, and suggest that models might be developed to predict crown cover based on age and site variability.

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Una innovación tecnológica para la siembra de árboles en las sabanas inundables de la orinoquia: montículos o silvotermiteros (A technological innovation to plant trees in flooded savannas in Orinoco basin)

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Evolução estrutural de reflorestamentos de restauração de matas ciliares no Médio Vale do Paranapanema (Structural evolution of planted riparian forests in the Mid Paranapanema Valley, SP, Brazil)

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Relação entre o solo e a composição florística de remanescentes devegetação natural no Município de Ribeirão Preto, SP (Relationship between soil and floristic composition of native vegetation remnants in the municipality of Ribeirão Preto,SP)

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Sistemas silvopastoriles como una herramienta para el mejoramiento de la productividad y restauración de la integridad ecológica de paisajes ganaderos

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Antecedentes

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