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Skip to Search Results- 1527Biological Sciences, Department of
- 870Biological Sciences, Department of/Journal Articles (Biological Sciences)
- 419Biological Sciences, Department of/BioSci OER
- 139Biological Sciences, Department of/Biological Sciences Fish Skeletal Elements
- 109Mathematical and Statistical Sciences, Department of
- 109Mathematical and Statistical Sciences, Department of/Research Publications (Mathematical and Statistical Sciences)
- 419University of Alberta, Department of Biological Sciences
- 138Sawchuk, Matthew
- 81Mark A. Lewis
- 52Lewis, Mark A.
- 52Stockey, R.A.
- 23Wishart, D.S.
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1983
The most common ichnogenus in the Peace River Canyon is Amblydactylus, a large bipedal herbivore. The morphology of the hand and footprints suggest that the tracks and trackways were made by hadrosaurs, and the ichnites might represent the earliest record of these dinosaurs. Amblydactylus tracks...
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1983
Fossil seedlings and seeds of an extinct Cercidiphyllum-like plant occur in the Paskapoo Formation (Late Paleocene) at Joffre Bridge near Red Deer, Alberta. Cotyledon and early seedling leaf stages are preserved in growth position. Morphological details of seedlings and seeds support a close...
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1983
Tonn, W.M., Forbes, A.M., Magnuson, J.J.
Decisions in fishery management usually are made on a species-by-species and site-by-site basis because most information about fishes has been collected and organized in this way. A comparaitve, community-level approah can contribute to the development of management strategies for large sets of...
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Use of the DCB Technique for Extraction of Hydrous Iron Oxides from Roots of Wetland Plants.
Download1983
Replicate samples of Phragmites communis roots coated with hydrous iron oxide were analyzed for internal and external Fe using the dithionite-citrate-bicarbonate technique (hot DCB), a modified DCB technique (cold DCB), Ethylenediaminete traacetic acid (EDTA), Diethylenetriamine pentaacetic acid...
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1983
States, J.C., Zhao, H-Z., Aiken, J.M., McKenzie, D.I., Dixon, G.H.
We have sequenced five different rainbow trout protamine genes plus their flanking regions. The genes are not clustered and do not contain intervening sequences. There is an extremely high degree of sequence conservation in the coding and 3' untranslated regions of the gene. Downstream sequences...
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Formation and Morphology of an Iron Plaque on the Roots of Typha latifolia L. Grown in Solution Culture.
Download1984
Taylor, G.J., Rodden, R., Crowder, A.A.
Roots of Typha latifolia L. exposed to Fe2+ under reduced conditions in solution culture developed visible coatings (plaques) of an oxidized Fe compound that extended as much as 15-17 ,um into the rhizosphere. Iron concentrations were significantly less and discoloration was not apparent on the...
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Moisture and temperature effects on survival and infectivity of first-stage larvae of Parelaphostrongylus odocoilei and P. tenuis (Nematoda: Metastrongyloidea).
Download1984
The survival of first-stage larvae (LI) of Parelaphostrongyluosd ocoilei and P. tenuis (Nematoda: Metastrongyloidea) and their infectivity to the snail Triodopsism ultilineata were determined experimentally in a variety of temperature and moisture conditions. Survival of larvae of P. odocoilei...
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1985
Small, shallow seepage lakes in northern Wisconsin that have both low winter oxygen concentrations and low pH possess depauperate fish assemblages containing primarily or exclusively central mudminnows, Umbra limi, and yellow perch, Percaflavescens. Six times during three years I determined the...
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Mechanisms of Aluminum Tolerance in Triticum aestivum L. (Wheat). II. Differential pH Induced by Spring Cultivars in Nutrient Solutions.
Download1985
Twenty spring cultivars of Traticum aestivum L. (wheat) were grown in solution culture with and without aluminum (A1) (74 gM, 2.0 mg L-l) for 14 days. Root growth and shoot growth were depressed in all cultivars grown with A1; however, symptoms of A1 toxicity were most evident on roots. Based on...