Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 43 for “"Carex"”.
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The Cyperaceae of Michigan, exclusive of Carex
Thesis (M.S.)--Michigan State College of Agriculture and Applied Science. Dept. of Botany, 1951
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Multivariate analysis of the Carex brevior group in Iowa
1 PDF file (xiii, 134 pages)
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Carex establishment on reclaimed oil sands landscapes : a case study at Suncor Energy Inc.
… occurring plant communities. Approximately 66 Carex species inhabit the oil sand region. This thesis is unique and represents the first large scale study of Carex establishment on reclaimed oil sands landscapes. Research compared diversity and habitat variables between natural ecosystems and …
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The effect of cold stratification and perigynia removal on the germination of three prairie carex species
1 PDF file (vii, 38 pages)
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Effects of Landscape Age and Salinity on Plant Community Composition and Productivity in Opportunistic and Constructed Wetlands in the Athabasca Oil Sands Region, Alberta
… biomass of six dominant wetland plant species (Carex aquatilis, Calamagrostis canadensis, Carex atherodes, Carex utriculata, Schoenoplectus tabernaemontani, and Typha latifolia) found on reclaimed and reference landscapes. Wetland vegetation communities on reclaimed landscapes differed from …
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Seasonal Changes in Biomass of Two ComFreshwater Wetland plants: storage of nutrients
… than the non-growing season. Typha latifolia and Carex lurida were placed in mesocosms at the University of Mississippi Field Station (UMFS) and dosed with phosphorous. Each replicate experiment lasted one month and began with new plants and soil. At the end of the experiment, all plants were …
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Wasser- und Nährstoffhaushalt grundwasserabhängiger Pflanzengesellschaften der feuchten Dünentäler auf den Ostfriesischen Inseln
… und die Chlorophyllfluoreszenz der Braunsegge Carex nigra bei unterschiedlichen Wasserständen gemessen.
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Plant uptake study : the hyperaccumulating and remediating potential of three plant species
… latifolia), willow (Salix spp.) and sedge (Carex lenticularis) to hyperaccumulate selenium and sulphate in contaminated water at an active coal mine site in northeastern British Columbia. The plants were cultivated in containment bins which were irrigated using water collected from the mine …
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Carbon Dynamics in Extracted Minerotrophic Peatlands: An Analysis of the Effect of Plant Biodiversity
… Species identity was important with Carex aquatilis having a significantly positive impact on carbon sequestration.
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Floating Treatment Wetland Nutrient Uptake Efficiency on the Salmon River
… using three native macrophytes (Typha latifolia, Carex aquatilis and Deschampsia cespitosa). Monthly water sampling showed FTWs significantly reduced total ammonium and ortho-phosphate (by 3.8 and 12.3%, respectively) and increased dissolved oxygen concentrations (by 0.3%) in July, with similar …
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Phytoremediation of nitroglycerin in smokeless powders
… sativa) or planted with live sedge plants (Carex vulpinoidea). In addition, composted biosolids were used as a soil treatment. Mesocosms were sampled at 7, 14, 30, and 60 days after initial planting. Determination of residual NG in the samples was performed using gas chromatography with an …
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A contribution to the vascular flora of the Sequatchie Valley within Sequatchie County, Tennessee
… addition, eight state records were documented: Carex digitalis var. assymetrica, Spiranthes lacera var. lacera, Bromus latiglumis, Elymus glaucus, Gamochaeta coarctata, Vaccinium angustifolium, Crataegus succulenta, and Verbena scabra.
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Vegetation-environment relationships in a subalpine wet meadow and a brackish tidal marsh
… The lower zone is a mono specific stand of Carex lvnqbvei that is exposed to high-low tide alternation which may remove organic content, sand, and deposit clay. Salinity did not share strong correlative relationships with the vertical distribution of plant species. However, soils were most …
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Inventaire de la flore aquatique et riparienne du lac Aylmer
… et les herbiers marécageux sont dominés par Carex rostrata.
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Validating A Kentucky Wetland Rapid Assessment Method For Forested Riverine Wetlands Using Vegetation, Bird Surveys, And Landscape Analysis
… percent adventive, and (3) percent adventive and Carex species richness for Metric 2 (Buffers and Surrounding Land Use); Metric 4 (Habitat Reference Comparison); and, Metric 6 (Vegetation, Interspersion, and Microtopography), respectively. Overall, the method's effectiveness was demonstrated by …
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Seed Dispersal by Aquatic Turtles
… were sampled. Seeds of Agropyron repens, Carex spp., Ludwigia peploides, Polygonum spp., Panicum spp., Ranunculus sceleratus, Setaria spp., and Silene dichotoma were observed in the fecal matter. Following the initial survey the study mainly focused on two omnivorous aquatic turtles, the …
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Influence of soil water regime on nitrogen availability and plant competition in wet meadows
… <i>Festuca pratensis</i>, common sedge, <i>Carex nigra</i> and greater burnet, <i>Sanguisorba officinalis</i>, were used to study the consequences in plant competition.<br></br><br></br>Study of soil nitrogen mineralization revealed a depression in mineralized nitrogen asmatric potential …
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