Browsing Biological Sciences by Issue Date

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  • Rood, Stewart B.; Mahoney, John M. (Lethbridge, AB : University of Lethbridge, 1991Faculty of Arts and ScienceBiological SciencesUniversity of Lethbridge, 1991-02)
    Proceedings of the University of Lethbridge conference, May 4 to 6, 1990.
  • Zohouri, Mohammad Ali; Pyle, Gregory; Wood, Chris M. (ElsevierArts and ScienceDepartment of BiologyMcMaster UniversityUniversity of Lethbridge, 2001)
    The effects of chronic exposure to waterborne Cd and elevated dietary Ca, alone and in combination, were examined in juvenile rainbow trout, Oncorhynchus mykiss. Fish were chronically exposed to 0.05 Žcontrol. or 2.56 g ...
  • McPherson, Taryn D.; Mirza, Reehan S.; Pyle, Gregory (National Research Council of CanadaArts and ScienceDepartment of BiologyUniversity of LethbridgeNipissing UniversityConcordia University, 2004)
    Responses of wild fish populations to alarm chemicals were examined in clean and metal-contaminated lakes in northern Ontario. Approximately 20 groups of three minnow traps were placed randomly in the littoral zone of ...
  • Burg, Theresa M. (University of the AzoresDepartment of BiologyQueen's University, 2005)
    Briefly explains the importance of using genetics to study seabirds.
  • Humphreys, Elyn R.; Lafleur, Peter M.; Flanagan, Larry B.; Hedstrom, Newell; Syed, Kamran H.; Glenn, Aaron J.; Granger, Raoul (American Geophysical UnionArts and ScienceDepartment of Biological SciencesTrent UniversityUniversity of LethbridgeNational Hydrology Research Centre, 2006)
    Northern peatlands are a diverse group of ecosystems varying along a continuum of hydrological, chemical, and vegetation gradients. These ecosystems contain about one third of the global soil carbon pool, but it is uncertain ...
  • Sims, Daniel A.; Rahman, Abdullah F.; Cordova, Vicente D.; El-Masri, Bassil Z.; Baldocchi, Dennis D.; Flanagan, Larry B.; Goldstein, Allen H.; Hollinger, David Y.; Misson, Laurent; Monson, Russell K.; Oechel, Walter C.; Schmid, Hans P.; Wofsy, Steven C.; Xu, Liukang (American Geophysical UnionArts and ScienceDepartment of Biological SciencesBall State UniversityTexas Tech UniversityUniversity of CaliforniaUniversity of LethbridgeNortheastern Research StationUniversity of Colorado at BoulderSan Diego State UniversityIndiana UniversityHavard UniversityLicor Incorporated Environmental, 2006)
    Carbon flux models based on light use efficiency (LUE), such as the MOD17 algorithm, have proved difficult to parameterize because of uncertainties in the LUE term, which is usually estimated from meteorological variables ...
  • Pyle, Gregory; Mirza, Reehan S. (Taylor & FrancisArts and ScienceDepartment of BiologyNipissing UniversityUniversity of Lethbridge, 2007)
    Chemosensation is one of the oldest and most important sensory modalities utilized by aquatic animals to provide information about the location of predators, location of prey, sexual status of potential mates, genetic ...
  • Boyko, Alexander; Kathiria, Palak; Zemp, Franz J.; Yao, Youli; Pogribny, Igor; Kovalchuk, Igor (Oxford University PressArts and ScienceDepartment of Biological SciencesUniversity of LethbridgeNational Center for Toxicological Research, 2007)
    Previously, we reported the generation of a virusinduced systemic signal that increased the somatic and meiotic recombination rates in tobacco mosaic virus (TMV)-infected tobacco plants. Here, we analyzed the progeny ...
  • Grant, Robert F.; Flanagan, Larry B. (American Geophysical UnionArts and ScienceDepartment of Biological SciencesUniversity of AlbertaUniversity of Lethbridge, 2007)
    The confidence with which we can model water deficit effects on grassland productivity is limited by uncertainty about the mechanisms, stomatal and nonstomatal, by which soil water deficits reduce CO2 uptake. We propose ...
  • Pyle, Gregory; Wood, Chris M. (Taylor & FrancisArts and ScienceDepartment of BiologyNipissing UniversityMcMaster UniversityUniversity of Lethbridge, 2008)
    Rainbow trout (Oncorhynchus mykiss) are often used to estimate important biotic ligand model (BLM) parameters, such as metal-binding affinity (log K) and capacity (Bmax). However, rainbow trout do not typically occupy ...
  • Couture, Patrice; Busby, Patrick; Gauthier, Charles; Rajotte, James W.; Pyle, Gregory (Taylor & FrancisArts and ScienceDepartment of BiologyUniversite du QuebecLaurentian UniversityNipissing UniversityUniversity of LethbridgeInstitut National de la Recherche Scientifique, 2008)
    This study examined relationships among water, sediment, diet, and fish tissue metal (Cd, Cu, Ni, Se, and Zn) concentrations in yellow perch from metal gradients in two regions (Sudbury (S), Ontario, and Rouyn-Noranda ...
  • Couture, Patrice; Pyle, Gregory (Taylor & FrancisArts and ScienceDepartment of BiologyUniversity of LethbridgeUniversite du QuebecNipissing University, 2008)
    This review summarizes some of the main findings of our work with the Metals in the Environment Research Network examining seasonal and regional effects on metal accumulation, growth, condition, and physiology in wild ...
  • Pyle, Gregory; Busby, Patrick; Gauthier, Charles; Rajotte, James W.; Couture, Patrice (Taylor & FrancisArts and ScienceDepartment of BiologyUniversity of LethbridgeNipissing UniversityInstitut National de la Recherche ScientifiqueLaurentian University, 2008)
    Wild yellow perch (Perca flavescens) were sampled from five lakes in each of two metal contamination gradients in Sudbury, Ontario, Canada (n = 1324) and Rouyn- Noranda, Qu´ebec, Canada (n = 1125) in the spring and summer ...
  • Couture, Patrice; Rajotte, James W.; Pyle, Gregory (Taylor & FrancisArts and ScienceDepartment of BiologyInstitut National de la Recherche ScientifiqueLaurentian UniversityNipissing UniversityUniversity of Lethbridge, 2008)
    The influences of metal contamination, fish size, season, and region on tissue metabolic capacities and protein concentrations were examined in yellow perch from two metal gradients (Sudbury, Ontario, and Rouyn-Noranda, ...
  • Kovalchuk, Igor; Kovalchuk, Olga (M D P I A GArts and ScienceDepartment of Biological SciencesUniversity of Lethbridge, 2008)
    Rapid technological development is inevitably associated with many environmental problems which primarily include pollution of soil, water and air. In many cases, the presence of contamination is difficult to assess. It ...
  • Laing, Chad R.; Buchanan, Cody J.; Taboada, Eduardo N.; Zhang, Yongxiang; Karmali, Mohamed A.; Thomas, James E.; Gannon, Victor P. J. (BioMed CentralArts and ScienceDepartment of Biological SciencesPublic Health Agency of CanadaUniversity of Lethbridge, 2009)
  • Boyko, Alexander; Blevins, Todd; Yao, Youli; Golubov, Andrey; Bilichak, Andriy; Ilnytskyy, Yaroslav; Hollunder, Jens; Meins, Frederick; Kovalchuk, Igor (Public Library of ScienceArts and ScienceDepartment of Biological SciencesUniversity of LethbridgeFriedrich Miescher Institute for Biomedical ResearchGhent University, 2010)
    Epigenetic states and certain environmental responses in mammals and seed plants can persist in the next sexual generation. These transgenerational effects have potential adaptative significance as well as medical and ...
  • Laing, Chad R.; Buchanan, Cody J.; Taboada, Eduardo N.; Zhang, Yongxiang; Kropinski, Andrew; Villegas, Andre; Thomas, James E.; Gannon, Victor P. J. (BioMed CentralArts and ScienceDepartment of Biological SciencesPublic Health Agency of CanadaUniversity of Lethbridge, 2010)
    Background: The pan-genome of a bacterial species consists of a core and an accessory gene pool. The accessory genome is thought to be an important source of genetic variability in bacterial populations and is gained through ...
  • Schwalm, Christopher R.; Williams, Christopher A.; Schaefer, Kevin; Anderson, Ryan S.; Arain, M. Altaf; Baker, Ian T.; Barr, Alan G.; Black, T. Andrew; Chen, Guangsheng; Chen, Jing M.; Ciais, Philippe; Davis, Kenneth J.; Desai, Ankur R.; Dietze, Michael C.; Dragoni, Danilo; Fischer, Marc L.; Flanagan, Larry B.; Grant, Robert F.; Gu, Lianhong; Hollinger, David Y.; Izaurralde, R. Cesar; Kucharik, Christopher J.; Lafleur, Peter M.; Law, Beverly E.; Li, Longhui; Li, Zhengpeng; Liu, Shuguang; Lokupitiya, Erandathie; Luo, Yiqi; Ma, Siyan; Margolis, Hank; Matamala, Roser; McCaughey, Harry; Monson, Russell K.; Oechel, Walter C.; Peng, Changhui; Poulter, Benjamin; Price, David T.; Ricciuto, Daniel M.; Riley, William J.; Sahoo, Alok Kumar; Sprintsin, Michael; Sun, Jianfeng; Tian, Hanqin; Tonitto, Christina; Verbeeck, Hans; Verma, Shashi B. (American Geophysical UnionArts and ScienceDepartment of Biological SciencesClark UniversityUniversity of Colorado at BoulderUniversity of MontanaMcMaster UniversityColorado State UniversityAtmospheric Science and Technology DirectorateUniversity of British ColumbiaAuburn UniversityUniversity of TorontoLaboratoire des Sciences du Climat et de l'EnvironmentPennsylvania State UniversityUniversity of Wisconsin-MadisonUniversity of Illinoise at Urbana-ChampaignIndiana UniversityLawrence Berkeley National LaboratoryUniversity of LethbridgeUniversity of AlbertaOak Ridge National LaboratoryUSDA Forest ServicePacific Northwest National LaboratoryUniversity of MarylandTrent UniversityOregon State UniversityASRC Research and Technology SolutionsEarth Resources Observation and Science CenterUniversity of OklahomaUniversity of CaliforniaUniversite LavalArgonne National LaboratoryQueen's UniversitySan Diego State UniversityUniversity of Quebec at MontrealSwiss Federal Research InstituteCanadian Forest ServicePrinceton UniversityCornell UniversityGhent UniversityUniversity of Nebraska-Lincoln, 2010)
    Our current understanding of terrestrial carbon processes is represented in various models used to integrate and scale measurements of CO2 exchange from remote sensing and other spatiotemporal data. Yet assessments are ...
  • Costa, Estela; Uwiera, Richard R. E.; Kastelic, John P.; Selinger, L. Brent; Inglis, G. Douglas (BioMed CentralArts and ScienceDepartment of Biological SciencesLethbridge Research CentreUniversity of LethbridgeUniversity of Alberta, 2011)
    Background: The development of efficacious alternatives to antimicrobial growth promoters (AGP) in livestock production is an urgent issue, but is hampered by a lack of knowledge regarding the mode of action of AGP. ...