This decommissioned ERA site remains active temporarily to support our final migration steps to https://ualberta.scholaris.ca, ERA's new home. All new collections and items, including Spring 2025 theses, are at that site. For assistance, please contact erahelp@ualberta.ca.
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Characterizing adaptive morphological features and resource selection of Rocky Mountain Sculpin (Cottus sp.), a species at risk in Canada
DownloadFall 2017
Freshwater biodiversity is presently one of the world’s largest conservation concerns. Both direct and indirect human activities contributing to waterway modifications, climate change, and habitat alteration are causing major declines in freshwater fish species richness and abundance. While these...
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Genomic analysis of hybridization between the spruce budworm species Choristoneura fumiferana, C. occidentalis, and C. biennis (Lepidoptera: Tortricidae)
DownloadFall 2014
The spruce budworm (Choristoneura fumiferana) species complex is a destructive group of insect defoliators of North American conifers that have a remarkable propensity to hybridize ex situ despite little evidence for hybridization in nature. Introgression between species is increasingly...
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Fall 2019
Temporal isolation contributes to ecological speciation in a diversity of insect taxa. Such prezygotic isolation can reduce or stop hybridization between closely related taxa or populations, leading to speciation. Within the spruce budworm (Choristoneura fumiferana) species complex, hybridization...