Forest Dynamics

Tree Communities in Three-Year-Old Post-Mining Sites Under Different Forest Restoration Techniques in the Brazilian Amazon

Background:

Mining has been identified as a major contributor to forest loss, leading to the need for effective restoration techniques in post-mining sites. In this context, the knowledge of floristic composition is crucial for managing natural regeneration, selecting species for restoration plantings, and aiding conservation programs of threatened plant species. One well-known example of mining impacts on the Amazon rainforest vegetation is located in the Paragominas municipality, Pará, Brazil.

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Plant Respiration in a Warmer World

Background:

It has been estimated that, globally, plants release 60 gigatons of CO2 during the respiration process. Many studies have shown that an increase in global temperature will increase leaves respiration rates, which in turn will decrease carbon uptake and increase atmospheric CO2 concentration (contributing even more to higher global temperature).

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The eco-evolutionary history of Madagascar presents unique challenges to tropical forest restoration

Background

Madagascar forests contain high biodiversity and species endemism, while also being heavily threatened by deforestation. Restoration of these forests may be unique to many other restoration projects due to the unique evolutionary history of the island.

Goals and Methods

The authors conduct a literature review of publications to determine if forest restoration in Madagascar is more challenging. With compiled literature from 1990 to 2022, the authors consequently describe unique challenges to Madagascar forest restoration in order to facilitate higher quality restoration projects.

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Multidimensional tropical forest recovery

Background

Tropical forests are disappearing at a high rate due to deforestation. They also have the potential to regenerate to diverse and high-quality forest once more. The authors analyze 12 forest attributes to assess how forest recovery and succession progresses. This review is a compiled analysis done in a chronosequence across three continents and multiple latitudes globally.

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Divergent litterfall nutrient responses to rainfall seasonality revealed through long-term observations in a tropical dry forest

Background

Forest litterfall can provide important nutrients to the soil for ecosystem health such as Phosphorus and Nitrogen. In water limited ecosystems rainfall often controls forest nutrient cycling. It is not yet understood how nutrient uptake of these nutrients is influenced by seasonal rainfall and how these litter nutrient contents change from year to year.

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The association between rainforest disturbance and recovery, tree community composition, and community traits in the Yangambi area in the Democratic Republic of the Congo

Background

Forests in the Congo Basin are becoming increasingly threatened by human disturbances. These forests play a crucial role in global biodiversity, though understanding the full impact of forest degradation has been difficult due to the intact canopy cover. It is important to assess the extent that human activities have impacted these forests to make decisions on the forests’ conservation and management practices.

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The Effects of Prescribed Dry Season Burning on Woody Species Composition, Mole National Park, Ghana

Background

Savannas are valuable ecological communities that support many species and are known to be heavily shaped by fire disturbances. Fire is a recognized tool for controlling excess fuel and improving habitat. However, it is thought that the timing and frequency of fire prescriptions may impact characteristics of savanna growth and composition.

Open access copy available

Tree Canopy Management Affects Dynamics of Herbaceous Vegetation and Soil Moisture in Silvopasture Systems Using Arboreal Legumes

Background

It is important to understand how herbaceous and arboreal species interact with each other, specifically how shade effects understory plants. Silvopasture functions best when both strata of the forest are thriving. Silvopasture is impacted by species chosen, spacing of tree plantings, and other management practices. Tree legume species such as Gliricidia sepium and Mimosa caesalpiniifolia hold a potential value for commercial use while also fixing soil nitrogen in the soil.

Open access copy available

Edaphic factors and initial conditions influence successional trajectories of early regenerating tropical dry forests

Background

Edaphic factors include soil characteristics and topography of a landscape. These factors are thought to have strong impacts on forest communities and can predict the trajectory of forest regeneration. Differing soil conditions and slopes result in varying species assemblages, growth rates, and overall tree cover.

Open access copy available

Density-dependent reproductive success among sympatric dipterocarps during a major mast fruiting event

Background

Masting or mast fruiting is the annual synchronous production of many seeds by a plant species. Masting is an important reproductive strategy that depends on the intensity of flowering and fruiting, as well as the seeds’ ability to survive herbivory and competition with other seeds. Southeast Asia, many tree species (particularly Dipterocarps) are known to synchronize their masting events and therefore, community-wide seed density is an important factor predicting successful reproduction.

Open access copy available
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