Guazuma ulmifolia

The Agroforestree Database

About

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. 

Content

The database contains information about 600 tree species useful in agrofrorestry. Species descriptions include the tree's characteristics, ecology, native range, management, and agroforestry uses. The database is searchable by country, native or exotics species, products and/or services provided, and by the first letter of the species.

 

Open access copy available

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

background

This article describes natural regeneration that has occured in five different habitat types in the Azuero Peninsula of Panama. These habitat types include active pasture, 2-yr abandoned pasture, 5-yr abandoned pasture, forest riparian zones, and a secondary forest fragment. This region is characterized by agricultural and cattle ranching landcapes in areas that previously were tropical dry forest (1700 mm rainfall per year) until the mid-20th century and have recently been undergoing rapid turnover in land ownership.

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

background

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. 

Research Goals & Methods

Seedlings were planted in 2003 in randomized blocks and measured for basal diameter, height, live crown length, and crown diameter each year from 2004 to 2006.

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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

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

Especies para reforestación en Nicaragua (Species for Reforestation in Nicaragua)

Background

This manual provides information about multipurpose trees in Nicaragua.

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Árboles de uso multiple en El Salvador: Un manual para propagación y reforestación (Multipurpose trees in El Salvador: a manual for propagation and reforestation)

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Antecedentes

El Salvador es uno de los países del hemisferio oeste con mayor deforestación . En el año  1998 este país contaba con tan solo el 2% de sus bosques originales en pie. A pesar del interés de la población en realizar actividades de reforestación, existe una gran falta de información sobre especies nativas adecuadas para este fin.

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

background

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.

Research Goals & Methods

The sites were chosen for their precipitation gradient from Soberania National Park (2226mm mean annual rainfall), Los Santos (1946mm rainfall), and Rio Hato (1107mm rainfall). Survival, basal diameter, height, crown diameter and wood volume index (VI) were calculated after two years of growth.

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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

background

This study seeks to analyze how stress resulting from different amounts of precipitation and soil nutrients affects tree growth. The study hypothesized that tree structure and physiology as well as foliar nutrient content would be significantly different between the sites, and trees at the wet, fertile sites would perform better. Secondly, the study hypothesized finding a greater variability of integrated tree growth at the drier site, as plant stress is expected to accentuate differences in performance. Lastly, it was hypothesized that leaf mass area and foliar N would predict photosynthetic capacity.

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Biomass Distribution Among Tropical Tree Species Grown Under Differing Regional Climates

background

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.

research goal & methods

In 2003, 16 native and 2 exotic species were planted in single-species plots with a 3m x 3m spacing of trees at two different sites (one seasonally wet, one more dry). All plots were thinned to 50% of their original density at two years after plantation establishment, and the thinned trees were measured for biomass and biomass partitioning.

Open access copy available
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