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The role of historical fire disturbance in the carbon dynamics of the pan-boreal region: A process-based analysis
Download2007
Apps, M., Zhuang, Q., Burnside, T.J., Shvidenko, A., Flannigan, M., McAllister, J., Wirth, C., Clein, J.S., Balshi, M.S., Kurz, W.A., Kicklighter, D.W., Harden, J., McGuire, A.D., Kasischke, E., Melillo, J.
Wildfire is a common occurrence in ecosystems of northern high latitudes, and changes in the fire regime of this region have consequences for carbon feedbacks to the climate system. To improve our understanding of how wildfire influences carbon dynamics of this region, we used the process-based...
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The Role of Hydropteris pinnata gen. et. sp. nov. In Reconstructing the cladistics of Heterosporous Ferns.
Download1994
Large segments of intact plants that represent a heterosporous fern have been discovered within an aquatic plant community from the Late Cretaceous St. Mary River Formation near Cardston in southern Alberta, Canada. Branching rhizomes of Hydropteris pinnata gen. et sp. nov. are 1-2 mm wide. They...
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The role of intestinal microbiota in development of irinotecan toxicity and in toxicity reduction through dietary fibres in rats
Download2014
Baracos, Vickie, Dieleman, Levinus, Farhangfar, Arazm, Lin, Xiaoxi B., Gänzle, Michael G., Sawyer, Michael B., Valcheva, Rosica, Schieber, Andreas
CPT-11 is a drug used as chemotherapy for colorectal cancer. CPT-11 causes toxic side-effects in patients. CPT-11 toxicity has been attributed to the activity of intestinal microbiota, however, intestinal microbiota may also have protective effects in CP!-11 chemotherapy. This study aimed to...
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2019-04-21
Scholarship exploring the makeup, function, and efficacy of collegial governance structures within the context of Canadian higher education is limited and primarily focused on the board or the senate. This paper expands that scholarship by focusing on the governance structures of the university...
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The role of paragraphs in the construction of coherence text linguistics and translation studies
Download2004
This article presents and illustrates a formal model of linguistic analysis in order to explain a phenomenon that is fundamental to translators in their practice: the construction of coherence. First, the role of paragraphs in the construction of coherence is explained with the application of the...
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2008
Wilson, J., Aramini, Jeff, Bruce, Heather, Gadbois, Pierre, Brennan, J.
The efficacy of penicillin G potassium (Pot-Pen) administered via drinking water to manage necrotic enteritis (NE) was investigated in a Clostridium perfringens (CP) challenge study using 1600 broiler chickens assigned to one of four treatment groups: nonchallenged, nonmedicated; challenged,...
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The role of terrestrial vegetation in atmospheric Hg deposition: Pools and fluxes of spike and ambient Hg from the METAALICUS experiment
Download2012
Graydon, J.A., Harris, R., St. Louis, V., Sandilands, K.A., Rudd, J.W.M., Kelly, C.A., Richardson, M., Emmerton, C.A., Lindberg, S.E., Tate, M.T., Asmath, H., Krabbenhoft, D.P.
As part of the Mercury Experiment to Assess Atmospheric Loading in Canada and the U.S. (METAALICUS), different stable Hg(II) isotope spikes were applied to the upland and wetland areas of a boreal catchment between 2001 and 2006 to examine retention of newly deposited Hg(II). In the present...
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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...