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Promoting Biodiversity: Advances in Evaluating Native Species for Reforestation

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This article describes the design of a long-term species screening trial conducted at La Selva Biological Station in Costa Rica.

Research Goals & Methods

Growth 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.

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Biomass Distribution Among Tropical Tree Species Grown Under Differing Regional Climates

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This study presents results from species selection trials in Panama as part of the PRORENA project, which examined the most effective species and methods for Panamanian government-supported reforestation projects.

Open access copy available

Root architecture and allocation patterns of eight native tropical species with different successional status used in open-grown mixed plantations in Panama

Background

While an increasing number of native tropical trees are under study for reforestation and commercial plantations, the majority of studies on trees in the tropics have concentrated on the aboveground aspects of tree growth. This study investigates biomass allocation and root architecture of eight tropical species with different successional status.

Open access copy available

Between and Within-Site Comparisons of Structural and Physiological Characteristics and Foliar Nutrient Content of 14 Tree Species at a Wet, Fertile Site and a Dry, Infertile Site in Panama

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Seedling survival and growth of native tree species in pastures: Implications for dry tropical forest rehabilitation in central Panama

Background

Enrichment planting of tree seedlings is a method for accelerating reforestation of pastures in Central America. Persistent presence of cattle can be an impediment to the survival of unprotected seedlings, although cattle may also be a source of nutrients. Grasses can also cause competitive pressure on newly planted seedlings.

Open access copy available

Initial Performance and Reforestation Potential of 24 Tropical Tree Species Planted Across a Precipitation Gradient in the Republic of Panama

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The 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.

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Direct Seeding to Restore Tropical Mature-Forest Species in Areas of Slash-and-Burn Agriculture

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Direct seeding of three mature-forest species into areas of slash-and-burn agriculture was conducted to evaluate the germination and establishment of these species.

Open access copy available

Restoration of dry tropical forests in Central America: A review of pattern and process

Background

Much information on restoration and management exists for wet tropical forests of Central America but comparatively little work has been done in the dry forests of this region. Such information is critical for reforestation efforts that are now occurring throughout Central America. This paper describes processes of degradation due to land use and provides a conceptual framework for the restoration of dry tropical forest, of which less than 2% remains intact.

Open access copy available

Nagarote Reforestation and Community Development Project - SosteNica

Background

SosteNica and CEPRODEL work together to provide microcredit and technical assistance to help communities in Nicaragua improve the environmental on their land while also improving the economic opportunities for those communities.

Open access copy available

Local and Regional Environmental Variation Influences the Growth of Tropical Trees in Selection Trials in the Republic of Panama

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This study evaluates the effect of varying site conditions on the basal area of 21 neotropical and 2 exotic tree species at three different sites in Panama. 

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Attempting Restoration of Wet Tropical Forests in Costa Rica

Background

This article describes a reforestation effort of the Tropical Forestry Initiative using mixed stands of native species to recover abandoned pastureland in the tropical wet forest of Costa Rica.

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The Structure and Composition of a Tropical Dry Forest Landscape After Land Clearance; Azuero Peninsula, Panama

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The Agroforestree Database

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The Agroforestree (AFT) Database was created in 2009 by the World Forestry Centre and provides specifics and selection guides on both native and exotic agroforestry trees. 

Open access copy available

A Survey of Small-Scale Farmers Using Trees in Pastures in Herrera Province, Panama

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The Herrera Province on the Azuero Peninsula of Panamá has experienced significant deforestation for the purpose of cattle ranching.

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Restoration of a Restinga Sandy Coastal Plain in Brazil: Survival and Growth of Planted Woody Species

Background

Restingas – coastal sandy vegetation – have been affected by human impact for about 8,000 years. Human use of these sites for housing, tourism, and recreation has recently increased in such a way that there is a need for conservation of remnant patches and restoration of degraded areas throughout the coast to protect biodiversity. This study reports the results of an experiment introducing 17 native shrub and tree species into a degraded Brazilian restinga.

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