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Skip to Search Results- 1Alonso Zarza, Ana M.
- 1Barber-Cross, Tianna E
- 1Bhatti, J.
- 1Bockstette, Simon W
- 1Boucher, D.
- 1Cahill, J.F.
- 6Graduate and Postdoctoral Studies (GPS), Faculty of
- 6Graduate and Postdoctoral Studies (GPS), Faculty of/Theses and Dissertations
- 3Biological Sciences, Department of
- 3Biological Sciences, Department of/Journal Articles (Biological Sciences)
- 1Helmholtz-Alberta Initiative
- 1Helmholtz-Alberta Initiative/Journal Articles & Research Abstracts (Helmholtz-Alberta Initiative)
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Competition in Arabidopsis thaliana (L.) Heynh., behaviour of Mimosa pudica L. and a new method to characterize roots demonstrated with Helianthus annuus L..
DownloadFall 2016
In this dissertation, I address 5 problems in the discipline of plant ecology: two problems in plant competition, two problems in plant behaviour and one problem in the phenotyping of plant roots. First, we directly test Darwin’s competition-relatedness hypothesis with a pairwise...
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Desarrollo de calcretas en cavidades cársticas y/o de raíces: Las calcretes Cuaternarias de la Isla Gran Cayman (Calcrete development in root/karstic cavities: Quaternary calcretes from Grand Cayman)
Download1996-01-01
Alonso Zarza, Ana M., Jones, Brian
The ruggest karst terrain that is developed on the dolostones of the Miocene Caayman Formation on Grand Cayman includes numerous large cavities that formed through the activity of tree roots. The surfaces of those cavities are coated with laminated calcrete crusts that are up to 8 cm thick. These...
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2007
Chang, S. X., Bhatti, J., Choi, W. J.
Abstract: The lowering of the water table resulting from peatland drainage may dramatically alter C and N cycling in peatland ecosystems, which contain one-third of the total terrestrial C. In this study, tree annual ring width and C (delta C-13) and N (delta N-15) isotope ratios in soil and...
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Epulorhiza inquilina sp. nov. from Platanthera (Orchidaceae) and a key to Epulorhiza species
Download1997
McInnis, T. M., Currah, R. S., Zettler, L. W.
Abstract: Epulorhiza inquilina sp. nov. is described from the mycorrhizas of mature plants of Platanthera clavellata, P. cristata and P. integrilabia, coexisting terrestrial orchids native to bogs in the southern Appalachians. The new taxon was isolated consistently and exclusively from these...
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Formation and Morphology of an Iron Plaque on the Roots of Typha latifolia L. Grown in Solution Culture.
Download1984
Taylor, G.J., Rodden, R., Crowder, A.A.
Roots of Typha latifolia L. exposed to Fe2+ under reduced conditions in solution culture developed visible coatings (plaques) of an oxidized Fe compound that extended as much as 15-17 ,um into the rhizosphere. Iron concentrations were significantly less and discoloration was not apparent on the...
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Resiliency of boreal forest tree species on a reclaimed oil sands mine and natural forest stands in northeastern Alberta
DownloadSpring 2019
Disturbances in the boreal forest are common, so the species that comprise these forests must be resilient to them. This research examines the resiliency, here defined as the regeneration of boreal tree species following disturbance on both reclaimed and natural sites. The suckering response of...
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Roots in reconstructed soils - how land reclamation practices affect the development of tree root systems
DownloadSpring 2018
Tree root systems are incredibly complex organs that fulfill several vital functions, the main ones being anchorage and uptake of water and mineral elements. They perform these functions in a highly complex and challenging soil environment with heterogeneously distributed soil resources, physical...
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The impact of defoliation on the root foraging behaviour of sunflower (Heliathus annuus L.)
DownloadSpring 2024
Plants have a remarkable ability to proliferate roots and increase nutrient uptake within nutrient patches in the soil. This behaviour, known as root foraging, describes this ability and what factors may influence or modify this response. It has been observed that plants integrate multiple...