Understory Regeneration

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.

Research Goals & Methods

Researchers monitoried species diversity, richness and similarity of regenerated species between exotic plantations of pine, eucalyptus and cypress, as well as between native and exotic forests.

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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.

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Caracterização do Dossel e do Estrato de Regeneração Natural no Sub-Bosque e em Clareiras de Uma Florestal Estacional Semidecidual no Município de Viçosa, MG

The authors analyzed clearings in a forest reserve belonging to the Federal University of Viçosa, MG, to compare the species and composition of clearing and forest understory vegetation. The found that the level of diversity (Shannon index) and species found (n= 69) were similar in the clearings and the understory in the surrounding forest. Coffee (Coffea arabica) and Picramnia regnellii were the most common species in both the clearings and the understory. The authors suggest that the dominance of coffee may be problematic for the regeneration of native species.

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Use of Fruit Essential Oils to Assist Forest Regeneration by Bats

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This study details techniques for attracting bats to an area to facilitate seed dispersal in degraded areas in and around Parque Estadual Vila Rica do Espírito Santo in Fênix, Paraná, Brazil.

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Technical and Financial Analysis of Enrichment Planting in Logging Gaps as a Potential Component of Forest Management in the Eastern Amazon

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This study investigates the potential for managing timber tree species regeneration in disturbed areas within logged forests in the eastern Amazon through the experimental introduction of seeds and seedlings.

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La vegetación leñosa en helechales y bosque de ribera en la reserva científica Ebano Verde, República Dominicana (Woody vegetation in fernlands and riparian forests in Ebano Verde scientific reserve, Dominican Republic)

Spanish

Antecedentes

De 1940 a 1970, áreas deforestadas en la Cordillera Central de la República Dominicana fueron sujetas a incendios rutinarios lo cual causó erosión intensa y llevo al establecimiento de Dicranopteris pectinate, una especie de helecho de sotobosque. Esta especie de helecho rápido forma comunidades estables que inhiben el crecimiento de especies maderables e impide la sucesión natural del bosque. Se ha observado un fenómeno similar dentro de la Reserva Científica Ébano Verde en la República Dominicana.

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Indigenous Woody Species Diversity in Eucalyptus globulus Labill spp. globulus Plantations in the Ethiopian Highlands

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This study evaluates the regeneration of native woody species in eucalyptus plantations in the central highlands of Ethiopia.

Research Goals & Methods

Understory trees and shrubs were identified and measured in 11 year old plantations at Chancho where no natural forests remain, and in 37 year old plantations at Menagesha where remnant natural forests exist.

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Growth of dipterocarp seedlings in artificial gaps: An experiment in a logged-over rainforest in South Kalimantan, Indonesia

Background

Regeneration of dipterocarps following logging has become a crucial issue in tropical forest management. Secondary forest frequently and rapidly replaces dipterocarps in large logged-over patches. If unmanaged, these secondary forest patches are often composed of unmerchantable early-succession species. It has been hypothesized that dipterocarps grow most successfully in small gaps.

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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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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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