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Catalyzing native forest regeneration on degraded tropical lands

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Forest clearing, forest degradation, and the deterioration of land productivity due to inappropriate management is a major problem in the tropics. While traditionally, restoration of forest lands abandoned from human use has relied on natural forest regeneration, this paper explores the potential of plantations to catalyze forest regeneration in the tropics.

Open access copy available

Assisted Natural Regeneration: Methods, Results and Issues Relevant to Sustained Participation by Communities

Background

This article describes forest restoration in Kandis village on Palawan Island, Philippines, an  assisted natural regeneration (ANR) project, and focuses on the social issues that affect success of ANR projects.

Open access copy available

Helping Forests to Help Themselves—Accelerating Natural Regeneration

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This chapter walks through the basic techniques of accelerated (or assisted) natural regeneration (ANR), describing when it is appropriate, when it should be combined with other techniques, how to increase the seed rain, and areas of needed research.

Open access copy available

Optimising Seedling Management: Pouteria sapota, Diospyros digyna, and Cedrela odorata in a Mexican Rainforest

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This study compares the height growth of three native tree species (Pouteria sapota, Diospyros digyna, and Cedrela odorata) during the first two years after transplantation from a nursery in three plot types (primary rainforest, secondary forest, and open pasture) in Veracruz, Mexico.

Open access copy available

Applied Nucleation as a Forest Restoration Strategy

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To combat deforestation and restore forest cover quickly and efficiently, this article proposes the use of applied nucleation as a restoration strategy. The article reviews research to date on applied nucleation, which is a method for restoring degraded landscapes in which small clusters of shrubs and trees are planted to encourage natural forest regeneration.

Open access copy available

Regeneration Pattern and Size-Class Distribution of Indigenous Woody Species in Exotic Plantation in Pugu Forest Reserve, Tanzania

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This study examines the natural regeneration of indigenous tree species in an exotic tree plantation adjacent to a natural forest in a coastal forest of Tanzania.

Research Goals & Methods

Four dominant indigenous tree species were identified in the exotic plantation with diameter size classes between 10 to 35cm.

Open access copy available

Comparação de diferentes densidades de feijão guandu (Cajanus cajan (L.) Millsp.) na restauração florestal de uma área de reserva legal no Pontal do Paranapanema, SP

Open access copy available

Native Tree Species Regeneration and Diversity in the Mountain Cloud Forests of East Africa

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This study evaluates the diversity of native species regeneration within 3 native and exotic forest plantations of the indigenous forests of Tatia Hills, East Africa.

Open access copy available

Guía para la producción de planta y plantación con especies nativas

Open access copy available

Indigenous Trees in West African Forest Plantations: The Need for Domestication by Clonal Techniques

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This study evaluates native species tree plantations across West Africa by summarizing existing information on the yield of those plantations, with particular focus on the Cameroon Forest Management and Regeneration Project. It considers the potential for vegetative propagation and clonal selection to increase growth rates and marketability of native species.

Open access copy available

Status of Indigenous Tree Species Regeneration under Exotic Plantations in Belete Forest, South West Ethiopia

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This study assesses the diversity and density of naturally regenerated woody species under the canopies of exotic plantations adjacent to natural forests in a moist montane forest type in Southwest Ethiopia.

Open access copy available

Occurrence of Nodulation in Unexplored Leguminous Trees Native to the West African Tropical Rainforest and Inoculation Response of Native Species useful in Reforestation

Background

Few studies examine the ability of leguminous tree species to nodulate and fix atmospheric N, especially symbiotically with rhizobia; this study seeks to fill that research gap.  The occurrence of nodulation was determined in 156 mature leguminous species growing in 6 natural forest areas in south-eastern Guinea and an in situ experiment of rhizobia inoculation was performed on 8 selected tree species.

Open access copy available

Parks as a Mechanism to Maintain and Facilitate Recovery of Forest Cover: Examining Reforestation, Forest Maintenance and Productivity in Uganda

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This study highlights the use of parks as a tool for restoration and forest maintenance with a focus on Kibale National Park in Uganda.  The authors assess methodological approaches and limitations with current techniques to study land cover change.

Open access copy available

Survival and Growth of Seedlings of 19 Native Tree and Shrub Species Planted in Degraded Forest as Part of a Forest Restoration Project in Madagascar's Highlands

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This study compares the survival rates of 19 native tree and shrub species grown in a forest restoration project in Madagascar’s highlands. The study results are used to compare the survival of relatively short seedlings compared to relatively tall seedlings for all species combined in order to test the importance of seedling size for restoration.

Open access copy available

Effect of Taungya on Regeneration of Endemic Forest Tree Species in Nigeria: Edo State Nigeria as a Case Study

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This study aims to investigate the number of native species that can regenerate under natural conditions in a 3-year Taungya system in Edo State, Nigeria. Taungya is an agroforestry system that combines forestry practices with agriculture and agriculture-related activities.

Open access copy available

Fire Control as a Simple Means of Promoting Tropical Forest Restoration

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Open access copy available

Desarrollo del dosel de leguminosas bajo diversas condiciones de restauración ecológica en bosque de pino – encino de Michoacán, México (Legume canopy development under various conditions of ecological restoration in pine-oak forests of Michoacan, Mexico)

 

English

research goals & methods

Open access copy available

Expediting Reforestation in Tropical Forests Grasslands: Distance and Isolation from Seed Sources in Plantations

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This study investigates the potential use of tree plantations to facilitate regeneration of indigenous trees in successionally arrested grassland. It focuses on how characteristics of the plantations and native species can determine the type of regeneration occurring in Kibale National Park, Uganda.

Open access copy available

The Savanna Tree Acacia polyacantha Facilitates the Establishment of Riparian Forests in Serengeti National Park, Tanzania

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Open access copy available

Restoration of Dry Afromontane forest using pioneer shrubs as nurse-plants for Olea europaea ssp. cuspidata

Background

Shrubs are often considered competitive barriers for seedlings planted in reforestation programs, although they can facilitate tree recruitment, especially in ecosystems under high abiotic stress. An alternative reforestation technique using pioneer shrubs as nurse-plants for Olea europaea ssp. cuspidata was tested in exclosures in northern Ethiopia.

Open access copy available