Mapping, Remote Sensing, and GIS

20th-Century hurricanes leave long-lasting legacies on tropical forest height and the abundance of a dominant wind-resistant palm

BACKGROUND:

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Mapping carbon accumulation potential from global natural forest regrowth

Background:

The authors note that previous studies have estimated the potential for carbon sequestration through afforestation and reforestation, but there has been less focus on the potential for natural forest regrowth. They also highlight the need for more accurate estimates of carbon accumulation rates in regrowing natural forests, as well as a better understanding of the factors that influence these rates.

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Patterns and controls on island-wide aboveground biomass accumulation in second-growth forests of Puerto Rico

Background

Secondary or second-growth forests after land abandonment are a valuable contribution to global carbon sinks. Approximately 70% of the world’s tropical forests are secondary growth, so understanding the carbon sequestration rates on a large scale is important. Sequestration rates are controlled by both abiotic and biotic factors in each region.

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Spatial patterns and drivers of smallholder oil palm expansion within peat swamp forests of Riau, Indonesia

Background

Tropical peat swamps are a major carbon sink, and therefore critical for meeting global climate goals. There is also rapid loss of these ecosystem types due to agriculture practices and drainage. Oil palm (Elaeis guineensis) is often planted in drained peat swamps for production. Policies in Indonesia drive smallholder oil palm farms into peatlands and prevent their access to industrial fields.

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Disrupted montane forest recovery hinders biodiversity conservation in the tropical Andes

Background

In the U.N. Decade on Restoration, recovering degraded forests is a high priority. Andean montane forests are a biodiversity hotspot, storing large quantities of carbon, and providing many sources for human livelihood. Many parts of the Andean forests are recovering after agriculture abandonment, but it is not yet known how the dynamics of these recovery processes progress over time. Knowledge of forest regeneration trajectory is crucial for further restoration planning.

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Identifying hotspots for ecosystem restoration across heterogeneous tropical savannah-dominated regions

Background

In the U.N. Decade on Ecosystem Restoration, ecological restoration projects are a valuable tool for meeting global sustainability climate goals. Tropical regions are at the center of attention for their high biodiversity, carbon sink, and benefits to culture and human livelihood. Tropical dry savannahs are understudied even though they cover a large portion of tropical regions. Savannah dominated landscapes are valuable for their high plant diversity and vegetation type variation and high species turnover. Benefits to restoring these ecosystem types are also understudied.

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Safeguarding sloths and anteaters in the future: Priority areas for conservation under climate change

Background

Sloths and anteaters come from the order Pilosa which has very little species richness and a high rate of species loss in recent years, making this order highly vulnerable to extinction. This order is distributed endemically in the Neotropics. Conservation concerns are high due to the high levels of habitat fragmentation and loss in Neotropical landscapes and conservation areas need to be prioritized to ensure Pilosa species survival.

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Forest structure predicts species richness and functional diversity in Amazonian mixed-species bird flocks

Background

Secondary forests between forest fragments are valuable sources of biodiversity during the regeneration process. In the Brazilian Amazon, understory birds are often an indicator of forest regeneration and overall health. Functional diversity is an important component of ecosystem health and services, yet little is known about the role it plays in the return of mixed-species bird flocks.

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Linking disturbance history to current forest structure to assess the impact of disturbances in tropical dry forests

Background

Tropical dry forests are given less attention in studies compared to tropical humid forests, but they still experience high levels of disturbance, both natural and human-made. These disturbances heavily alter the characteristics of valuable remaining forest structures. There are gaps in knowledge about how the timing and type of disturbance affects forest structure in seasonally dry tropical forests.

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Spatial density patterns of herbivore response to seasonal dynamics in the tropical deciduous forest of central India

Background

Strong seasonality of dry tropical forests causes variations in vegetation and therefore food resources for animals. This study investigates the seasonal distribution patterns between summer and winter of four ungulate species (Rusa unicolor, Axis axis, Bocephalus tragocamelus, and Sus scrofa) in the Panna Tiger Reserve in India. Ungulates tend to gravitate towards areas that are cooler with more vegetation, and at higher elevations.

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