Swietenia macrophylla

Survival and Growth of Under-Planted Trees: A Meta-Analysis Across four Biomes


This article is a meta-analysis synthesizing the results of survival and growth of under-planted trees in forests in tropical, temperate coastal, boreal, and temperate deciduous forests. Additionally, the survival and growth of these underplanted trees are evaluated according to the silvicultural treatment affecting density of the overstory: uncut, dense shelterwood, intermediate density shelterwood, light density shelterwood, clear cut.

Open access copy available

Species-Specific Tree Water Use Characteristics in Reforestation Stands in the Philippines


The need for reforestation is becoming increasingly evident in countries like the Philippines where deforestation has lead to a scarcity of wood and other forest commodities. One concern with reforestation is the reduction in streamflow and groundwater recharge as trees move water from the ground into the atmosphere.

Research Goals & Methods

This study seeks to investigate the sap flux responses and tree water use in two 12-year-old multi-species stands.

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An Evaluation of Farmers' Experiences Planting Native Trees in Rural Panama: Implications for Reforestation with Native Species in Agricultural Landscapes


The Panamanian government has created reforestation incentive programs to encourage farmers to plant trees in order to restore ecosystem services to degraded lands. However, many farmers and landowners choose not to participate in these programs. Additionally, many such incentive programs result in large plantations of non-native species. In 2001, the Smithsonian Tropical Research Institute created a native species reforestation project known as PRORENA (Proyecto de Reforestación con Especias Nativas) to study strategies for successful native species reforestation in a social, economic, and scientific context.

Open access copy available
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