Taxonomy and ecology of gastro-intestinal helminths in pikas of North America
Degree: Master Abstract: Masters thesis. 5 helminth species in pikas from the Ogilvie Mountains and 7 inhabiting individuals from the Rocky Mountains of southwestern Alberta were examined. Distinguishing characteristics and host relationships of species in the 6 genera of helminths were critically r...
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| Format: | Thesis |
| Language: | English |
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University of Alberta. Department of Zoology.
1976
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| Online Access: | http://hdl.handle.net/10402/era.24023 |
| Summary: | Degree: Master Abstract: Masters thesis. 5 helminth species in pikas from the Ogilvie Mountains and 7 inhabiting individuals from the Rocky Mountains of southwestern Alberta were examined. Distinguishing characteristics and host relationships of species in the 6 genera of helminths were critically reviewed. Results support the hypothesis that helminth species of pikas are derived from a single ancestral species, which migrated across Beringia during the Illinoian glaciation. |
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