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Studies on the Seed Biology of 100 Native Species of Trees in a Seasonal Moist Tropical Forest, Panama, Central America

Background

Since 1998, the Panama Canal Watershed has experienced a decline in forest cover. The watershed ensures a functioning canal, thus there has been a significant investment in resources to reforest and restore the region. While these projects have focused primarily on native species, there has been issues with seed-handling. 

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Forest Management Practices in the Bayano Region of Panama: Cultural Variations

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This paper examines differences in forest exploitation between indigenous groups and colonists along an agricultural frontier in Panama and focuses on differences in forest use, economic base, and management practices.

Research Goals & Methods

The author compares total annual income, timber harvest volume and tree planting efforts per household in 5 indigenous villages and 3 colonist villages.

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Forest Regeneration in a Chronosequence of Tropical Abandoned Pastures: Implications for Restoration Ecology

Background

During the mid‐1900s, most of the island of Puerto Rico was deforested, but a shift in the economy from agriculture to small industry beginning in the 1950s resulted in the abandonment of agricultural lands and recovery of secondary forest. This research examines the natural regeneration patterns on these abandoned agricultural lands in four different regions of Puerto Rico.

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Establishment and Growth of Living Fence Species: An Overlooked Tool for the Restoration of Degraded Areas in the Tropics

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This article describes three studies conducted in Honduras which examined the potential of using living fence species in restoration.

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Direct Seeding of Late-Successional Trees to Restore Tropical Montane Forest

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This study measures seed germination, seedling establishment, survival, growth and foliar nutrient content of five late-successional tree species which were directly seeded into three different habitats representing different stages of succession in tropical montane Costa Rica.The study also compares the costs of direct seeding with locally collected seeds with planting nursery-raised seedlings.

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The Effect of a Teak (Tectona grandis) Plantation on the Establishment of Native Species in an Abandoned Pasture in Costa Rica

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This study compares native tree species recruitment in the understory of a 10-year-old teak plantation in premontane wet forest in Costa Rica to the native tree species recruitment on nearby abandoned agricultural land.

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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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Native Trees and Shrubs for the Productive Rehabilitation of Tropical Cattleranching Lands

background

The authors of this study examined strategies to improve cattle ranching in Colombia and Mexico through the use of intensive silvopastoral systems. Silvopastoral systems transform extensive cattle ranching with intensively managed systems with high densities of trees and shrubs to improve yields and environmental impacts.

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Early Growth and Survival of 49 Tropical Tree Species across Sites Differing in Soil Fertility and Rainfall in Panama

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This research investigates the importance of soil quality upon species survival across a gradient of differing levels of rainfall and dry season length on disturbed land in Panama.

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The Ecology and Ecosystem Services of Native Trees: Implications for Reforestation and Land Restoration in Mesoamerica

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This article summarizes papers presented at a conference on the state of tropical reforestation and restoration in Central America.

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