Costa Rica

Crecimiento de especies forestales nativas en la zona norte de Costa Rica (Growth of native forest species in the north area of Costa Rica)

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Antecedentes

El estudio evalúa el comportamiento y crecimiento de cinco especies nativas utilizadas en la reforestación de llanuras del trópico húmedo de Costa Rica.

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Plantaciones forestales con especies nativas: Una alternativa para la producción de madera y la provisión de servicios ambientales (Native species tree plantations: and alternative for wood production and environmental services)

Se presenta un panorama general del desarrollo de las actividades de plantaciones forestales en Costa Rica, así como algunos resultados de ensayos de rehabilitación de áreas degradadas con especies forestales nativas en la Estación Biológica La Selva. Durante 12 años, se midió anualmente el crecimiento y la producción de biomasa aérea de doce especies nativas en rodales mixtos y puros, como asi también la fertilidad del suelo bajo plantaciones puras de cuatro especies forestales nativas. La mezcla de especies mostro la mayor productividad volumétrica, estadísticamente superior a las especies en plantaciones puras.

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A Review of the Agroforestry Systems of Costa Rica

Background

This literature review provides a historical overview of agroforestry systems in Costa Rica from the 1970s to the present.

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Coffee Agroforestry Systems in Central America: I. A Review of Quantitative Information on Physiological and Ecological Processes

Background

Coffee (Coffea arabica, L.) is the most widely grown cash crop in Central America.  While previous research identified various environmental factors that affect its growth and yield, the authors believe  that quantitative knowledge of coffee and other tropical agroforestry systems is still limited. This article provides both a literature review and a summary of quantitative data necessary to develop process-based models for coffee agroforestry systems in Central America.

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Coffee Agroforestry Systems in Central America: II. Development of a Simple Process-Based Model and Preliminary Results

Background

Globally, coffee (Coffea arabica, L.) is an important cash crop. In past decades, there was  a growing trend  in Central America towards  high-input monocultures, but most recently, agroforestry is again becoming a common system. However, it is difficult to optimise the selection of shade tree species in an agroforestry system. This article provides information on a simple dynamic model for coffee-agroforestry systems in Central America.

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Effects of Inga densiflora on the Microclimate of Coffee (Coffea arabica L.) and Overall Biomass under Optimal Growing Conditions in Costa Rica

background

This article compares a coffee agroforestry system shaded with Inga densiflora to a coffee monoculture in optimal coffee growing conditions in Costa Rica. The two systems were investigated to determine differences in microclimate, coffee yield, and vegetative development of the coffee plants.

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Impacts of Native Trees on Tropical Soils: A Study in the Atlantic Lowlands of Costa Rica

background

This article describes the results of a study in Costa Rica that compared the soil fertility in a 2.5 year-old plantation of 6 native tree species, grass pasture, and 20 year-old secondary forest.

Research Goals & Methods

Soil extractable Ca, Mg, K, P, Fe, Mn, Cu and Zn, the pH, exchangeable acidity, organic matter and total N were measured in three plots.

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Strategies for the Recovery of Degraded Ecosystems: Experiences from Latin America

background

This paper reviews the rehabilitation potential of native species forest plantations in lowland Costa Rica, the Atlantic Forest of Bahia, Brazil, and sub-tropical Argentina. Native species can improve forest regeneration where soils are degraded and where sources of propagules are limited. While most tropical plantations are dominated by exotic species, native trees may be more appropriate because they are better adapted to the local environment, are already familiar to local farmers, and their propagules are locally available.

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Silvicultural and economic aspects of pure and mixed native tree species plantations on degraded pasturelands in humid Costa Rica

Background

Reforestation of degraded land in tropical regions provides one means of restoring ecosystems and improving rural livelihoods. Most plantations in humid tropical regions are established in pure plots using few species of high commercial value, generally exotics. This study compares growth and economic viability of native trees in pure and mixed plantations on degraded land.

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Performance of forest plantations in small and medium-sized farms in the Atlantic lowlands of Costa Rica

Background

While 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
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