Quaking aspens (Populus tremuloides Michx.) are found in diverse habitats throughout North America. While the biogeography of aspens' distribution has been documented, the drivers of the phenotypic diversity of aspen are still being explored. In our study, we examined differences in climate between northern and southwestern populations of aspen, finding...
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T. Greer1,2, Christopher Still1,2, Glenn T. Howe1, Christina Tague3 & DarA. Roberts2
1Forest
Quaking aspens (Populus tremuloides Michx.) are found in diverse habitats throughout North America. While the biogeography of aspens' distribution has been documented, the drivers of the phenotypic diversity of aspen are still being explored. In our study, we examined differences in climate between northern and southwestern populations of aspen, finding...
Full Text:
represents cumulative warmth for the year and is an index for the
warmth of a site above a threshold degree
The purpose of this investigation was to test two hypotheses.
The first hypothesis interprets allochthonous rocks in the southern
Pinyon Range to lie on the Devonian Nevada Group. The second
hypothesis interprets allochthonous rocks to lie on the Mississippian
Dale Canyon Formation. Evidence presented here supports the second
hypothesis.
During...
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and
Eureka Counties, Nevada
by
Robert Vincent Visconti
A THESIS
submitted to
Oregon State