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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1979
The colonization of limestone bricks and bitumen coated limestone bricks by benthic river organisms was followed over time. After nine weeks of colonization, no massive increase in the numbers of bacteria on the bitumen was noted, suggesting that degradation was not proceeding rapidly. However,...
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Interim report on ecological studies on the lower trophic levels of muskeg rivers within the Alberta oil sands environmental research program study area
Download1979
This project (AF 2.0.2) was conducted in 1977-78 as a planned complement of another project (AF 2.0.1) on invertebrate resources. The scope of this project was to investigate productivity in the oil sands region and it involved both baseline data collection and manipulation experiments....
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1979
The colonization of limestone gravel, limestone gravel + organic matter, and limestone gravel from a river bed was followed over time in order to compare two possible stream reclamation substrates with a control (river gravel). After nine weeks of colonization by benthic micro- and...