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Tropical Rain Forest Structure, Tree Growth and Dynamics along a 2700-m Elevational Transect in Costa Rica

Rapid biological changes are expected to occur on tropical elevational gradients as species migrate upslope or go extinct in the face of global warming. We established a series of 9 1-ha plots in old-growth tropical rainforest in Costa Rica along a 2700 m relief elevational gradient to carry out long-term monitoring of tropical rain forest structure, dynamics and tree growth...

Annual Carbon Emissions from Deforestation in the Amazon Basin between 2000 and 2010

Reducing emissions from deforestation and forest degradation (REDD+) is considered one of the most cost-effective strategies for mitigating climate change. However, historical deforestation and emission rates―critical inputs for setting reference emission levels for REDD+―are poorly understood. Here we use multi-source, time-series satellite data to quantify carbon emissions from...

Mapping the risk of avian influenza in wild birds in the US

Background Avian influenza virus (AIV) is an important public health issue because pandemic influenza viruses in people have contained genes from viruses that infect birds. The H5 and H7 AIV subtypes have periodically mutated from low pathogenicity to high pathogenicity form. Analysis of the geographic distribution of AIV can identify areas where reassortment events might occur...

Using Remote Sensing to Map the Risk of Human Monkeypox Virus in the Congo Basin

. Wolfe 9 Robert L. Shongo 14 Pierre Formenty 13 Hermann Meyer 8 Linda L. Wright 3 Jean-Jacques Muyembe 4 Wolfgang Buermann 1 7 Sassan S. Saatchi 2 7 Emile Okitolonda 6 Lisa Hensley 5 Thomas B. Smith 7 11