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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Cavity Availability, Characteristics and Use by Over-wintering Birds and Mammals in Southern Yukon
DownloadSpring 2020
Cavity using birds and mammals are significant components of boreal forest communities, and the availability of tree cavities suitable for roosting and resting may be critical for supporting these communities. Furthermore, cavity availability and habitat suitability may limit populations of...
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Early late Paleocene mammals from the Roche Percée local fauna, southeastern Saskatchewan, Canada
DownloadFall 2009
The occurrence of vertebrate fossils from the Ravenscrag Formation near Roche Percée, southeastern Saskatchewan, Canada, documents the presence of a large and diverse assemblage of early late Paleocene (approximately 58 million years) mammals. Previous studies of the Roche Percée localities have...
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The evaluation of toxic effects induced by exposure of mammals to oil sands process-affected water and its organic fraction
DownloadSpring 2018
Oil sands process-affected water (OSPW) produced by the surface-mining oil sands industry in Alberta, has been shown to be toxic to a variety of organisms. Much of this toxicity has been attributed to the dissolved organic compounds, primarily naphthenic acids (NAs). Under a no-release practice,...