Search
Skip to Search Results- 1527Biological Sciences, Department of
- 870Biological Sciences, Department of/Journal Articles (Biological Sciences)
- 419Biological Sciences, Department of/BioSci OER
- 287Renewable Resources, Department of
- 195Renewable Resources, Department of/Journal Articles (Renewable Resources)
- 139Biological Sciences, Department of/Biological Sciences Fish Skeletal Elements
- 419University of Alberta, Department of Biological Sciences
- 138Sawchuk, Matthew
- 81Mark A. Lewis
- 54Lieffers, V.J.
- 52Lewis, Mark A.
- 52Stockey, R.A.
-
δ13C and δ15N Signatures in Muscle and Fin Tissues: Nonlethal Sampling Methods for Stable Isotope Analysis of Salmonid
Download2010
Paszkowski, C.A., Hanisch, J.R., Tonn, W.M., Scrimgeour, G.J.
Stable isotope analysis has emerged as an important tool in aquatic ecology. For fish, dorsal muscle from sacrificed individuals has traditionally been used in stable isotope studies; however, there are many instances when lethal sampling is undesirable. We evaluated the feasibility of using...
-
γ-Aminobutyric Acid Up-Regulates the Expression of a Novel Secretogranin-II Messenger Ribonucleic Acid in the Goldfish Pituitary
Download1998
Docherty, K., Chang, J.P., Blázquez, M., Trudeau, V.L., Bosma, P.T.
An RNA-arbitrarily primed PCR differential display strategy was used to identify candidate genes in the pituitary that are up-regulated by endogenously activated g-aminobutyric acid (GABA) systems that may also be involved in the control of reproduction. Goldfish were injected with the GABA...
-
Yields, quality and suitability of four annual forages for deer pasture in North Central Alberta
Download2009
Chapman, G., Bork, E,, Donkor, N., Hudson, R.
Field pea (Pisum sativum), canola (Brassica napus), turnips (Brassica rapa) and Berseem clover (Trifolium alexandrinum) were grown in north central Alberta to assess their potential yield and quality and to evaluate their utilization and preference by white-tailed deer. Herbage DM yield, crude...
-
Yield implications of site preparation treatments for lodgepole pine and white spruce in northern British Columbia
Download2010
Boateng, J. O., Comeau, P. G., Bedford, L., Cortini, F.
Abstract: We evaluated the effects of site preparation treatments on growth of lodgepole pine and white spruce in north-eastern British Columbia, Canada. These treatments can provide yield gains of up to 10 percent for lodgepole pine and white spruce at 60 and 80 years, respectively (estimated...
-
Wolves Influence Elk Movements: Behavior Shapes a Trophic Cascade in Yellowstone National Park
Download2005
Fortin, D., Beyer, H. L., Smith, D. W., Boyce, M. S., Mao, J. S., Duchesne, T.
A trophic cascade recently has been reported among wolves, elk, and aspen on the northern winter range of Yellowstone National Park, Wyoming, USA, but the mechanisms of indirect interactions within this food chain have yet to be established. We investigated whether the observed trophic cascade...
-
2018
University of Alberta, Department of Biological Sciences
This is an image of a wolf skull. This specimen is observed in Survey of Vertebrates, Zoology 224. This image was created as part of the University of Alberta OER image database project in Biological Sciences. Identifier 2094I.
-
2018
University of Alberta, Department of Biological Sciences
This is an image of a wolf skull. This specimen is observed in Survey of Vertebrates, Zoology 224. This image was created as part of the University of Alberta OER image database project in Biological Sciences. Identifier 2094I.
-
Wolf Reproduction in Response to Caribou Migration and Industrial Development on the Central Barrens of Mainland Canada
Download2008
Cluff, H.D., Frame, P.F., Hik, D.S.
Reproductive success of mammals is greatly influenced by food availability. Where wolves (Canis lupus) prey on migratory barren-ground caribou (Rangifer tarandus), caribou migration patterns strongly influence food availability for wolves. However, industrial development in formerly undeveloped...
-
2018-01-01
Windsor Reid, Pamela J., Matveev, Eugueni, McClymont, Alexandra, Posfai, Dora, Hill, April L., Leys, Sally P.
Background: The Wnt signaling pathway is uniquely metazoan and used in many processes during development, including the formation of polarity and body axes. In sponges, one of the earliest diverging animal groups, Wnt pathway genes have diverse expression patterns in different groups including...