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The Apparent Paradox of Reestablishing Species Richness on Degraded Lands with Tree Monocultures

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This article discusses the use of tropical tree plantations as an approach to rehabilitation of degraded landscapes. For extremely degraded sites, the use of plantations may provide the proper shade, microclimate and protection for other species to colonize the understory. Research on the use of plantations in restoration is discussed, with examples primarily from Puerto Rico.

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Growth and effects of thinning of mixed and pure plantations with native trees in humid tropical Costa Rica

Background

As reforestation with native tree species gains in popularity, more information about proper management is needed. This study examines the growth and responses to thinning of ten native species in mixed and pure-species plantations in the Caribbean Lowlands of Costa Rica.

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Pure and Mixed Forest Plantations with Native Species of the Dry Tropics of Costa Rica: A Comparison of Growth and Productivity

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This research monitored the growth and survival of 13 natives species in pure and mixed-species plantations, and compared the results to measurements of T. grandis, an exotic species commonly planted in the area.

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How Successful is Tree growing for Smallholders in the Amazon?

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This study compares donor-driven and smallholder-initiated tree growing projects in the Amazon to assess outcomes such as tree survival, commercialization success, and environmental benefits of two different approaches to tree planting. Such research is important for understanding the limitations of both smallholder and donor-driven tree growing for reforestation, and for improving production of forest products outside of natural forests. The study also emphasizes the importance of capturing local knowledge.

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Landscape Rehabilitation of Degraded Tropical Forest Ecosystems: Case Study of the CIFOR/Japan Project in Indonesia and Peru

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The CIFOR/Japan project on tropical forest restoration involves three principal components: 1) evaluation of logging impacts on forest systems, 2) development of methods for the restoration of logged and degraded forests, and 3) development of silvicultural practices for degraded forests.

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The Sabah Biodiversity Experiment: A Long-Term Test of the Role of Tree Diversity in Restoring Tropical Forest Structure and Functioning

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This article details the initial stages of an experiment in Borneo which aims to study the relationship between tree diversity and lowland dipterocarp rainforest functioning during restoration after selective logging.

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A Review of Dipterocarps: Taxonomy, Ecology and Silviculture

Background

This edited volume provides a detailed introduction to the ecology and silviculture of dipterocarp trees.

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Fire in the Seasonal Semideciduous Forest: Impact and Regeneration at Forest Edges

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This study looks at a fragment of semi-deciduous forest in Brazil to determine the effects of fire on vegetation at varying distances from the fragment’s edge, as well as the recovery of forest structure and species diversity after fire.

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Restoration of degraded forest land in Thailand: the case of Khao Kho

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This chapter discusses the deforestation of Khao Kho district, situated in Thailand’s central highlands, in the 1970s and restoration efforts in the 1990s. Over 75% of the district was forested until 1968, when as a counterinsurgency strategy the Royal Thai Army began to build roads, deforest the district and encourage agricultural settlement in this heretofore intact forest. Deforestation and maize cultivation on these steep hillsides, often with already-poor soil quality degraded in situ, led to rapid degradation with farming untenable by 1990. A UNDP-funded reforestation project – managed by the Army – was initiated in 1990.

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Reforestation of Mangroves after Severe Impacts of Herbicides during the the Viet Nam War: The Case of Can Gio

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This article describes the detrimental impacts of chemicals used in the Viet Nam war on mangroves with a focus on the reforestation efforts of the mangroves of the Can Gio district. In the 1980s, poor management, combined with stress from fuelwood collection and conversion to shrimp ponds, limited the success of mangrove restoration. Between 1978 and 1989,29,583 ha of Rhizophora apiriculata were planted; however, due to a lack of technical experience and a very high planting density, by 1990 only 18,125 ha remained. 35,000 ha of mangrove were replanted by 1996 and, in 2001, about 20,000 ha still survived.

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