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- 185Renewable Resources, Department of/Journal Articles (Renewable Resources)
- 19Agricultural, Life, and Environmental Sciences, Faculty of
- 14Agricultural, Life, and Environmental Sciences, Faculty of/Rangeland Research Institute (RRI)
- 5Agricultural, Life, and Environmental Sciences, Faculty of/Journal Articles (Agricultural, Life, & Environmental Sciences)
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Growth responses of 20 boreal forest species to oil sandsnon-segregating tailings: significance for reclamation
Download2023-01-24
Wen-Qing, Zhang, Killian G. Fleurial, Michelle Moawad, Robert Vassov, Ellen Macdonald, Janusz J. Zwiazek
Oil sands mining in northeastern Alberta, Canada, generates tailings containing sand, silt, clay, water, and residual bitumenwith hydrocarbons. The impact of tailings on revegetation is a major environmental concern and poses a significant land rec-lamation challenge. Oil sands companies have...
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2022-07-07
Killian Fleurial, Maryamsadat Vaziriyeganeh, Janusz J. Zwiazek
This scientific commentary refers to `Negative effects of low root temperatures on water and carbon relations in temperate tree seedlings assessed by dual isotopic labelling' by Wang and Hoch (doi: 10.1093/treephys/tpac005). In his pioneering 1868 Lehrbuch der Botanik (Textbook on Botany) Julius...
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2020-01-08
Wen-Qing Zhang, Killian Fleurial, Ira Sherr, Robert Vassov, Janusz J. Zwiazek
Bitumen recovery from oil sands in northeastern Alberta, Canada produces large volumes of tailings, which are deposited in mining areas that must be reclaimed upon mine closure. A new technology of non-segregated tailings (NST) developed by Canadian Natural Resources Limited (CNRL) was designed...
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(Eventual) Stability and Change Across Partnerships
2019-01-01
Johnson, Matthew D.; Neyer, Franz J.
Does a new partnership differ from its preceding one? This study investigates whether relationship dynamics change as people transition from one partnership to another and examines a number of predictors that might explain variation in change trajectories. We draw on data gathered from 554 focal...
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Traditional kefir reduces weight gain and improves plasma and liver lipid profiles more successfully than a commercial equivalent in a mouse model of obesity
Download2018-07-01
Bourrie, Benjamin C.T., Cotter, Paul D., Willing, Ben P.
Kefir, a fermented milk beverage, has shown promise in alleviating obesity and associated metabolic dysfunction. However, microbial characteristics are variable among traditional kefirs, and commercial kefirs drastically differ from traditional kefir. This study investigated the ability of four...
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Initial gut microbial composition as a key factor driving host response to antibiotic treatment, as exemplified by the presence or absence of commensal Escherichia coli
Download2017-08-01
Ju, Tingting, Shoblak, Yasmeen, Gao, Yanhua, Yang, Kaiyuan, Fouhse, Janelle, Finlay, B. Brett, So, Yee Wing, Stothard, Paul, Willing, Ben P.
Antibiotics are important for treating bacterial infection; however, efficacies and side effects of antibiotics vary in medicine and experimental models. A few studies have correlated microbiota composition variations with health outcomes in response to antibiotics; however, no study has...
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Weak tradeoff between xylem safety and xylemspecific hydraulic efficiency across the world’s woody plant species
Download2016
Maherali, H., Cao, K-.F., Schreiber, S.G., Brodribb, T.J., Westoby, M., Hacke, U.G., Jacobsen, A.L., Lens, F., Choat, B., Wright, I.J., Pittermann, J., Gleason, S., Bhaskar, R., Nardini, A., Morris, H., Mayr, S., Bucci, S.J., Mencuccini, M., Johnson, D.M., Mitchell, P.J., Fan, Z-.X., Sperry, J.S., Delzon, S., Zanne, A.E., Martínez-Vilalta, J., Cochard, H., Plavcová, L., McCulloh, K.A., Jansen, S., Domec, J-.C., Pratt, R.B., Feild, T.S.
The evolution of lignified xylem allowed for the efficient transport of water under tension, but also exposed the vascular network to the risk of gas emboli and the spread of gas between xylem conduits, thus impeding sap transport to the leaves. A well-known hypothesis proposes that the safety of...
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The standard centrifuge method accurately measures vulnerability curves of longvesselled olive stems
Download2015
Venturas, M.D., Sperry, J.S., Hacke, U.G., Pratt, R.B. , Jacobsen, J.S., MacKinnon, E.D.
The standard centrifuge method has been frequently used to measure vulnerability to xylem cavitation. This method has recently been questioned. It was hypothesized that open vessels lead to exponential vulnerability curves, which were thought to be indicative of measurement artifact. We tested...
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Pit membrane structure is highly variable and accounts for a major resistance to water flow through tracheid pits in stems and roots of two boreal conifer species
Download2015
Schulte, P.J., Schoonmaker, A.L. , Hacke, U.G.
The flow of xylem sap in conifers is strongly dependent on the presence of a low resistance path through bordered pits, particularly through the pores present in the margo of the pit membrane. A computational fluid dynamics approach was taken, solving the Navier–Stokes equation for models based...
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The role of water channel proteins in facilitating recovery of leaf hydraulic concutance from water stress in Populus trichocarpa
Download2014
Gas exchange is constrained by the whole-plant hydraulic conductance (Kplant). Leaves account for an important fraction of Kplant and may therefore represent a major determinant of plant productivity. Leaf hydraulic conductance (Kleaf) decreases with increasing water stress, which is due to xylem...