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Skip to Search Results- 186Renewable Resources, Department of
- 185Renewable Resources, Department of/Journal Articles (Renewable Resources)
- 2Agricultural, Life, and Environmental Sciences, Faculty of
- 2Agricultural, Life, and Environmental Sciences, Faculty of/Journal Articles (Agricultural, Life, & Environmental Sciences)
- 1Biological Sciences, Department of
- 1Biological Sciences, Department of/Journal Articles (Biological Sciences)
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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...
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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...
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1984
Hudson, R.J., Stelfox, J.B., Hopcraft, D.
Three projects have evaluated the potential of game cropping, domestication and ranching in Kenya. The UNDP/FAO Wildlife Management Project explored the potential for game cropping but difficulties in meat handling as well as public controversy redirected attention to a concessionaire system of...
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2006
Harden, J.W., Payne, N., Friedli, H.R., Radke, L.F., Crock, J., Flannigan, M.D., Turetsky, M.R.
With climate change rapidly affecting northern forests and wetlands, mercury reserves once protected in cold, wet soils are being exposed to burning, likely triggering large releases of mercury to the atmosphere. We quantify organic soil mercury stocks and burn areas across western, boreal Canada...
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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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2007
Sikkema, E.H., Field, T., Pittermann, J., Sano, Y., Sperry, J.S., Hacke, U.G.
Two structure-function hypotheses were tested for vesselless angiosperm wood. First, vesselless angiosperm wood should have much higher flow resistance than conifer wood because angiosperm tracheids lack low-resistance torus-margo pits. Second, vesselless wood ought to be exceptionally safe from...
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2007
Hacke, Uwe G., Sperry, John S., Sikkema, Elzard H., Pittermann, Jarmila, Feild, Taylor S., Sano, Yuzou
Two structure‐function hypotheses were tested for vesselless angiosperm wood. First, vesselless angiosperm wood should have much higher flow resistance than conifer wood because angiosperm tracheids lack low‐resistance torus‐margo pits. Second, vesselless wood ought to be exceptionally safe from...
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2007
Sano, Yuzou, Pittermann, Jarmila, Sikkema, Elzard H., Hacke, Uwe G., Sperry, John S., Feild, Taylor S.
Two structure‐function hypotheses were tested for vesselless angiosperm wood. First, vesselless angiosperm wood should have much higher flow resistance than conifer wood because angiosperm tracheids lack low‐resistance torus‐margo pits. Second, vesselless wood ought to be exceptionally safe from...