Search
Skip to Search Results- 4Bond, W. A.
- 4Peake, E.
- 3Alberta Health, Environmental Health Services Division
- 3Byrtus, G.
- 3Charlton, S. E. D.
- 3Hickman, M.
-
The ecology of macrobenthic invertebrate communities in Hartley Creek, Northeastern Alberta
Download1979
McElhone, M., Crowther, R., Davies, R. W., Hartland-Rowe, R. C. B.
Hartley Creek, a tributary of the Muskeg River in the Athabasca Oil Sands area of northeastern Alberta, has a discharge ranging between 0.5 and 7 m3.s-1 , experiences temperatures ranging between 0° and about 18°C, and has high oxygen concentrations at all seasons. The benthic fauna is rich and...
-
A preliminary study of chemical and microbial characteristics of the Athabasca River in the Athabasca oil sands area of northeastern Alberta
Download1979
Costerton, J. W., Nix, P. G., Ventullo, R., Coutts, R. T.
A literature review and evaluation of methods used to determine rates of bacterial uptake (heterotrophic assimilation) of organic substrates in fresh water systems was undertaken. The uptake of a \"universal\" substrate - radiolabelled glutamic acid - was determined in order to assess the effects...
-
Investigations of the spring spawning fish populations in the Athabasca and Clearwater Rivers upstream from Fort McMurray: Volume 1
Download1979
Fisheries investigations were undertaken in the spring of 1978 (28 April to 25 June) in the Athabasca and Clearwater rivers upstream of Fort McMurray. The major objectives of the studies were to determine what spring spawners utilized these sections of the Athabasca and Clearwater rivers; to...
-
1979
Geesy, G. G., Costerton, J. W.
The direct epifluorescence method has been adapted for counting bacteria in the sometimes turbid water of the Athabasca River and this method has been used to quantify planktonic bacteria. Monthly samples over an annual cycle beginning in May 1976 showed this population ranged from 1 x 105 to 2...
-
1979
This report presents the results of a comprehensive assessment of mixing characteristics of the Athabasca River below Fort McMurray under ice-covered flow conditions. A brief review of mixing processes in natural streams is followed by a description of two tracer tests conducted in February 1978...
-
1979
The drainage system of the study area consists of a number of rivers draining from the west and from the east into the Athabasca River north of Fort McMurray, as well as a few rivers which join the Athabasca near Fort McMurray and drain areas to the south and east. Runoff from within the study...
-
1979
Anderson, P. D., D'Apollinia, S., Perry, S., Dick, J., Deluca, J., Spear, P.
This study was initiated in early 1976 during the early stages of the Alberta Oil Sands Environmental Research Program. The goal of the project was the establishment of criteria safeguarding fish from toxic effects of mixtures of vanadium, nickel, and phenol to fish. All three constituents are...
-
1978
Griffiths, W. H., Walton, B. D.
A review of the effects of sedimentation on aquatic biota is presented. The detrimental effects of increased suspended and settled sediments on fish, bottom invertebrates, and primary productivity are documented. It is shown that the upper tolerance level for suspended sediment is between 80-100...
-
1978
Bidgood, B. F., Baldwin, H. A.
Design techniques are presented for a very high frequency telemetry system capable of transmitting short radio frequency pulse signals from the body of a fish to an aircraft flying over a river. The system design has considered the water chemistry and river turbulence of the Athabasca River in...
-
Preliminary recommendations for mapping of aquatic habitat parameters for the AOSERP study area
Download1978
Brown, A., Robarts, R. D., Kent, M. J., Park, J. O.
Three aspects of aquatic habitat assessment and mapping have been considered. The first aspect was the review of the parameters which characterize aquatic habitats in the AOSERP study area. From an extensive list, ten parameters for each of lake habitats and river habitats were selected as being...