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Croissance et assimilation nette foliaire de jeunes plants de dix arbres de la forêt guyanaise, cultivés à cinq niveaux d'éclairement

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This study assesses the growth of ten species of tropical rainforest trees under 5 different light conditions.

Open access copy available

Changing gears during succession: shifting functional strategies in young tropical secondary forests

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Adaptations toresource availability strongly shape patterns of community composition along successional gradients in environmental conditions. This study examines the extent to which variation in functional composition explains shifts in trait-based functional strategies in young tropical secondary forests during the most dynamic stage of succession (0–20 years).

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Globalization and Forest Resurgence: Changes in Forest Cover in El Salvador

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The authors study certain globalization impacts in land-use change in El Salvador. The legacy of war, remittances and international migration are among other factors that have allowed tree resurgence even in highly urban populated areas.  This study tracks the different trajectories of forest recovery by analysing remote-sensing satellite images from 1970's to the early 2000's.

Open access copy available

Non-timber Forest Product Harvest does not Affect the Genetic Diversity of a Tropical Tree Despite Negative Effects on Population Fitness

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The authors investigated a relationship between exploitation of economically important mahogany in Benin and the species genetic diversity. The study is base on the theory that disturbances in forest habitats can lead to a decrease in diversity due to population fragmentation and increased inbreeding.

Open access copy available

Ecosystem Decay of Amazonian Forest Fragments: A 22-year Investigation

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Open access copy available

Large-Scale Impoverishment of Amazonian Forests by Logging and Fire

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Amazonia typically uses deforestation rates to predict the effects on the carbon cycle and to measure the loss of forest in Brazil. The authors claim that these connections are limited. 

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Stakeholders and Tropical Reforestation: Challenges, Trade-Offs, and Strategies in Dynamic Environments

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The authors recognize that reforestation efforts require trade-offs, yet they claim that successful efforts requires stakeholder engagement beyond the planning stages and the acknowledgement that stakeholder dynamics, interests, and roles change over time. To support this claim, the authors first do a relevant literature review and then the examine a single case study of a multi-stakeholder workshop in Mexico. 

Open access copy available

Targeted reforestation could reverse declines in connectivity for understory birds in a tropical habitat corridor

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This study looks at how conservation efforts over the last 25 years have impacted functional connectivity of forest habitat in northeastern Costa Rica’s San Juan-La Selva Biological Corridor. The study focuses on insectivorous understory forest birds.

Open access copy available

Cartographier le carbone stocké dans la végétation: perspectives pour la spatialisation d’un service écosystémique (Mapping carbon stocks in vegetation)

The authors discuss a project to map ecosystem functioning in the Brazilian Amazon. They point out the limitations of ecosystem-service mapping and the importance of methodological decisionmaking while mapping functional processes.

 

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Carbon stocks in biomass and soils of woody species fodder banks in the dry tropics of Mexico

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Fodder banks are a common feature of tropical silvopasture. This study evaluates the C concentration and storage in above- and belowground tree biomass and soils of fodder banks of Leucaena leucocephala, Guazuma ulmifolia, and a combination of the both species.

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Carbon Sequestration in Pastures, Silvo-Pastoral Systems and Forests in Four Regions of the Latin American Tropics

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77% of agricultural land in the tropical Americas is used for pasture (including silvo-pasture and Argo-silvo-pasture), making carbon stocks in this land type an important consideration. This paper presents three-year research results on the evaluation of soil carbon stocks (SCS) in long-established pasture and silvo-pastoral systems (10-16 years under commercial production), native forests and degraded land in four regions of tropical Americas.

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A tree-based approach to biomass estimation from remote sensing data in a tropical agricultural landscape

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Due to increased global dominance of agricultural lands in the tropics, methods to establish biomass and carbon in agricultural areas are necessary for monitoring and modeling global C stocks. Since tropical agriculture often includes some tree cover, the study seeks to develop above ground biomass estimates using landscape-scale surveys with LiDAR in comparison to plot-level data.

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Screening Trial of 14 Tropical Hardwoods with an Emphasis on Species Native to Costa Rica: Fourth Year Results

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A 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.

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Genetic Consequences of Tropical Second-Growth Forest Regeneration

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This article is an examination of the genetic impacts of old-growth deforestation among 24 year-old second-growth Iriartea deltoidea, a canopy palm, in a lowland Costa Rican forest. Iriartea is widely distributed throughout neotropical rainforests and displays a diverse range of size classes in mature forests. This species recolonizes second-growth forests with newly generated seeds, which are dispersed by birds and mammals.

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Comportamiento de las especies y preferencias de los productores. Plantaciones forestales en Costa Rica y Nicaragua (Species behavior and farmers' preferences. Forest plantations in Costa Rica and Nicaragua)

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antecedentes

Los autores estudiaron plantaciones comerciales en 112 fincas de productores forestales, en el Cantón de Sarapiquí, Costa Rica y el Departamento de Carazo, Nicaragua.

Open access copy available

Bosques andinos del sur de Ecuador, clasificación, regeneración y uso (Andean Forests of Southern Ecuador, classification, regeneration and use)

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antecedentes

A pesar de la gran diversidad e importancia de los bosques montanos tropicales, existe muy poca información disponible sobre ellos, incluyendo inventarios y descripciones.

Open access copy available

Banco de semillas del suelo y su papel en la recuperación de los bosques tropicales (Soil seed banks and its role in tropical forest recovery)

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antecedentes

Entender los factores que determinan la regeneración natural en el trópico es crucial para la planificación y dirección de esfuerzos de restauración exitosos.

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Árboles para Villavicencio. Especies que fortalecen la Estructura Ecológica Principal (Trees for Villavicencio. Species that strengthen the ecological structure)

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antecedentes

El artículo forma parte de la investigación Fortalecimiento de la Estructura Ecológica Principal a partir de la identificación y selección de especies para la arborización urbana, que se lleva a cabo en siete ciudades de Colombia.

Open access copy available

Árboles para Palmira. Especies que fortalecen la Estructura Ecológica Principal (Trees for Palmira. Species that strengthen the ecological structure)

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antecedentes

El artículo forma parte de la investigación Fortalecimiento de la Estructura Ecológica Principal a partir de la identificación y selección de especies para la arborización urbana, que se lleva a cabo en siete ciudades colombianas.

Open access copy available

Árboles para Neiva. Especies que fortalecen la Estructura Ecológica Principal (Trees for Neiva. Species that strengthen the ecological structure)

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antecedentes

El artículo forma parte de la investigación Fortalecimiento de la Estructura Ecológica Principal a partir de la identificación y selección de especies para la arborización urbana, que se lleva a cabo en siete ciudades de Colombia.

Open access copy available