Land Use Change and Trends

Importance of Input Classification to Graph Automata Simulations of Forest Cover Change in the Peruvian Amazon

Background

In an area of Peru difficult for remote sensing imaging of deforestation and regeneration, the authors evaluate landcover and detect changes in landuse using novel data simulation techniques.

Research goals & Methods

The authors aim to compensate for remote assessments of deforestation or reforestation that may be strongly dependent on the seasonality of input images. To do this, they ran graph automata simulations while varying forest cover inputs to model land cover change. 

Open access copy available

Influence of Overstory Composition on Understory Colonization by Native Species in Plantations on a Degraded Tropical Site

background

This study evaluates forest understory regeneration in a 4.5 year-old plantation in Puerto Rico. The plantations, established in 1989, were planted on abandoned pasture in mixtures or monocultures of three exotic species: Casuarina equisetifolia, Eucalyptus robusta, and Leucaena leucocephala.

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Globalization, Forest Resurgence, and Environmental Politics in El Salvador

Background

El Salvador was seen as a classic case study of population growth, deforestation, and loss of biodiversity, yet contemporary studies have not supported these claims. Instead, it has been found that forest cover in El Salvador today is actually greater than previously estimated, including remnant forest, reforested areas, plantations, smallholder and NTFP plantations. This resource explores the potential drivers for this unsuspected reforestation.

Open access copy available
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