image: Trunk and part of the canopy of a Brazil nut tree (Bertholletia excels) in central Amazonia. Brazil nut is one of several hyper-dominant species with a long history of human use. This image relates to a paper that appeared in the 18 October, 2013, issue of Science, published by AAAS. The paper, by Hans ter Steege at Naturalis Biodiversity Center in Leiden, Netherlands, and colleagues was titled, "Hyperdominance in the Amazonian Tree Flora." view more
Credit: [Image © Hans ter Steege]