Restoration and Management Strategies

The Potentials of 20 Indigenous Tree Species for Soil Rehabilitation in the Atlantic Forest Region of Bahia, Brazil

background

This research presents the effects of 20 native tree species planted in 1974-1975 on different soil conditions in Bahia, Brazil.

Research Goals & Methods

In pure stands of the native species (some nitrogen-fixing) as well as a nearby 25 year old secondary forest, primary forest, and mixed-species plantation, soils were evaluated for the following conditions: depth, % carbon, % nitrogen, phosphorous, potassium, calcium, magnesium, dry weight of forest floor litter, pH, and nodules.

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Conceptual Framework for Mangrove Restoration in the Yucatán Peninsula

Background

In the Yucatán Peninsula, mangroves were lost at a rate of around 1.84% per year between 1976 and 2000. In 2000, the North American Wetlands Conservation Council gave the state government of Yucatán $800,000 towards mangrove restoration projects. Some research shows that the projects funded by this grant did not fully meet restoration goals.

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Site and species selection — Changing perspectives

Background

Plantation forestry in the tropics today is characterized by increasing refinement of matching species with site and increasing emphasis on non-industrial purposes for growing trees. This perspective comments on the increased number of objectives that a tropical forester or scientist is called upon to fulfill.

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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.

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Rationale and Methods for Conserving Biodiversity in Plantation Forests

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When compared to degraded lands, developed lands, or areas of intensive industrial agriculture, forest plantations can positively contribute to biodiversity conservation. However, when monoculture stands of exotic trees, or native trees not typically found in single-species stands are used for plantations, they have been found to have impoverished flora and fauna compared with natural forest.

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

Background

This manual provides information about multipurpose trees in Nicaragua.

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Understory Development in Young Cordia alliodora Plantations

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This article presents the findings of a study evaluating the biomass and composition of understory plants in 1- and 5- year old plantations at the La Selva Biological Station in Costa Rica.

Reserach Goals & Methods

This study sampled plantations of Cordia alliodora in monoculture plots and in polyculture plots with trees interplanted with monocots (Euterpe macrospadix, Euterpe oleracea, and Heliconia imbricata).

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Application of Assisted Natural Regeneration to Restore Degraded Tropical Forestlands

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Assisted natural regeneration (ANR) has been proposed as an alternative restoration method that reduces the costs and scalability barriers of other restoration alternatives. This article describes the steps to applying ANR to disturbed ecosystems where forest succession processes have been halted by dominant grass or fern monocultures. 

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Tropical Forest Restoration: Tree Islands As Recruitment Foci In Degraded Lands Of Honduras

Background

Methods to accelerate forest recovery must address a number of impediments including limits on seed dispersal and microclimactic extremes. This study evaluates the ability of tree islands to serve as recruitment foci for additional seeds in a two-year study in northern Honduras.

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Effects of Artificial Roosts for Frugivorous Bats on Seed Dispersal in a Neotropical Forest Pasture Mosaic

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This article evaluates whether the installation of bat roosts into abandoned pasture sites can attract frigivorous bats into pasture areas and encourage seed rain of early-successional plant species.

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