Tropical Wet Forest

Early Growth Performance of Native and Introduced Fast Growing Tree Species in Wet to Sub-Humid Climates of the Southern Region of Costa Rica

background

The authors present information on the growth of seven-year-old native tree species planted in abandoned pasture with low fertility acidic soils in the southern pacific region of Costa Rica.

Research Goals & Methods

The study evalutes trees in four ecoregions of varying elevation and precipitation.

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Early Species Selection for Tropical Reforestation: A Consideration of Stability

background

This study describes a screening of timber species planted in abandoned pasture sites to understand the effect of different site conditions on tree growth and to determine the species that grew with the highest variation.

Research Goals & Methods

The author looks at genotype environment to evaluate stability of genotypes and genotypes with the ability to perform consistently in multiple site conditions.

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Screening trial of 14 tropical hardwoods with an emphasis on species native to Costa Rica: Fourth year results

Background

Commercial forestry plantations have consistently relied on a limitd number of species, often favoring exotic species over native ones. This is mainly due to a lack of information or understanding related to the silviculture of native species plantations. This article uses a long-term experiement site in Costa Rica's La Selva Biological Station to work towards filling this knowledge gap. 

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

Background

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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Community Reforestation in the Philippines: An Evaluation of Community Contracts

background

Since the 1950s, the Phillipines has lost over 15 million hectares of tropical forest. While there has been continued efforts to halt these trends and reforest the loss areas, there has been many barriers; thus the country recently turned to private and community-based efforts. This study is a review of two reforestation projects in the Philippines that were contracted through private entities rather than government agencies.

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Seedling Production Methods of Dipterocarps

BACKGROUND

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Reforestation of an Indonesian Tropical Forest: The Win-Win Approach of a Private Japanese Firm

Background

As one of Japan's largest forestry firms, Sumitomo Forestry Company, Ltd. provides a unique approach to a sector that is increasingly faced with pressures due to population and economic growth. This resource examines on initiative by the firm, the Sebulu experimental forest project in the eastern part of Kalimantan, Indonesia.

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Experience with Planting Dipterocarps in Peninsular Malaysia

Background

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The Reforestation Value Chain for the Philippines

background

This paper describes the reasons for the failure of reforestation projects in the Philippines and the potential actions to improve success. When reforestation is focused narrowly on tree plantings, they can last for a few years (mostly 3) but then are easily cut by farmers who want to resume farming, by people in need of wood, or by people feeling that the reforestation was unjust. Most reforestation projects do not have plans beyond tree establishment.

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Methods of Facilitating Reforestation of Tropical Degraded Land with the Native Timber Tree, Terminalia amazonia

background

In tropical dry regions, like Costa Rica, it is critical to reforest degraded farms in order to reduce erosion and increase soil fertility. This paper explores the results of an 8-year long experiment in Southern Costa Rica that sought to identify ways to reforest such land economically.

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