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| Author/Contributor(s): |
Axelrod, Daniel I
|
| Publisher: |
University of California Press
|
| Date: |
03/17/1998
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| Binding: |
Paperback
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| Condition: |
NEW
|
An Eocene (45 Ma) flora from Thunder Mountain caldera shows that montane conifer forest species from upper slopes descended to interfinger with mixed conifer-deciduous hardwood forest on the caldera floor then near 1700 m. Most species are allied to those in the western United States, but a few genera are in China. Precipitation was near 100 cm yearly, with most in summer.
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