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Granite bedrock and sequoia forests 'communicate' in the Sierra Nevada
Bald Mountain: Granite domes and conifer trees are linked in the Sierra Nevada's ecosystem.
Credit: Claire Lukens
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The western Sierra Nevada has extensive forests of conifers and other trees.
Credit: Claire Lukens
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Researcher Jesse Hahm collects a tree core for forest productivity analysis.
Credit: Claire Lukens
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Patchiness in forest cover, scientists have discovered, is explained by bedrock geochemistry.
Credit: Claire Lukens
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A granite core is extracted for geochemical analysis.
Credit: Claire Lukens
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Samples of bedrock are obtained using a gas-powered, water-cooled drill.
Credit: Claire Lukens
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