δ¹³C and stomatal density variability in modern and fossil leaves of key plants in the western United States
During the last deglaciation, 15,000 to 12,000 calendar years ago, global warming and wholesale shifts in regional precipitation patterns produced dramatic changes in vegetation worldwide. Paleobotanical records, namely pollen and macrofossils, have been used not only to reconstruct shifts in plant...
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| Language: | en_US |
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The University of Arizona.
1999
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| Online Access: | http://hdl.handle.net/10150/289058 |