Scientists Find Megadiversity at Top of Amazon Forest

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The Carnegie Institution Spectranomics project debut study collected and analyzed foliage from 3,560 canopies across 19 forests in Peru, including this lowland area. (Greg Asner)

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The tropical mountain forests are a complex patchwork of different chemicals that evolved over time to help them adapt to geological conditions, land use and pests. (Greg Asner)

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Clear waters run through the unpolluted Andean forest. (Greg Asner)

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Ecologist Greg Asner leads the Carnegie Institution Spectranomics project to map canopy function and biological diversity throughout tropical forests of the world. (Robin Martin)