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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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1990
Yarranton, G. A., Wallace, R. R., Davis, C. S., Crowther, R. A., Davies, M. J. E., Stevens, D. L. M., Caton, R. B.
Alberta Environment is in the process of reviewing the scientific and technical basis for refinement of a regulatory approach to the environmental impact of present and future industrial development in the Athabasca oil sands region. The review has encompassed the results of 10 years (1975 to...
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1979
The epilithic microbial and micro-invertebrate communities under conditions of light and shade were studied from April to November 1978. During a period of increasing light intensity from May to June, the level of chlorophyll a (an algal biomass indicator) and numbers of Bacillariophyta in the...
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Evaluation, analysis, and assessment of snowpack and precipitation data from a monitoring network in the AOSERP study area
Download1985
Heidorn, K., Stevens, D., Todd, S., Fellin, P., Davis, C. S.
The data and network operating procedures from the precipitation and snow sampling networks in the AOSERP area of Alberta were reviewed and assessed. The data was first reformatted into NAQUADAT format and then quality assured by several screening procedures including outlier tests, simultaneous...
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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...