Browsing by Subject "Variation"

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Assessment of Character Variation in the Crania and Teeth of Modern Artiodactyls for Better Species Diagnosis in the Fossil Record

Emery, Meaghan (University of Oregon, 2016-11-21)

Accurately distinguishing species in the fossil record is difficult when the extent of osteological variation in many modern animals is unknown. Research into intraspecific variation has been conducted in a number of groups, ...
Mammalian Community Recovery from Volcanic Eruptions in the Cenozoic of North America

Famoso, Nicholas (University of Oregon, 2017-09-27)

It is clear that ecosystems are devastated after a volcanic eruption coats the landscape with a layer of ash; however, the ecological recovery of mammalian communities after eruptions is poorly understood. Volcanic eruptions ...
Melodic variation in the instrumental dance music tradition of Ireland

Grasso, Eliot John (University of Oregon, 2011-06)

This dissertation contextualizes melodic variation within a cultural, historical, and cognitive framework. This work discusses how traditional musicians learn how to vary melodies by observing norms of social and musical ...