Global ETD Search
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Showing 1 to 20 of 20 for “"juncus"”.
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Vegetative Community and Health Assessment of a Constructed Juncus-Dominated Salt Marsh in The Northern Gulf Of Mexico
… been planted with <em>Spartina alterniflora, Juncus roemerianus, Uniola paniculata, S. patens, </em>and <em>Panicum amarum</em>. Ecological assessment and monitoring of this restoration project was completed by measuring elevation, soil condition, vascular plant diversity, biomass, and the …
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Lebensstrategien seltener Stromtalpflanzen : autökologische Untersuchung von Cnidium dubium, Gratiola officinalis und Juncus atratus unter besonderer Berücksichtigung ihrer Stressresistenz
… Gratiola officinalis L. (Gottes-Gnadenkraut) und Juncus atratus Krocker (Schwarze Binse), drei gefährdeten Arten, die als sogenannte Stromtalpflanzen in Mitteleuropa in ihrem Vorkommen eng an die Flussauen gebunden sind. Die Arbeit basiert auf verschiedenen Simulationsexperimenten und Feldstudien …
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Influence of Altitude and Scan Angle on UAS-LiDAR Ground Height Measurement Accuracy in Juncus roemerianus Scheele (Black Needle Rush)-dominated Marshes
… using an Unmanned Aerial System (UAS) within <em>Juncus roemerianus</em> Scheele (Black Needle Rush)-dominated marsh. Furthermore, this study addressed the influences of site characteristics such as water depth, canopy height, and canopy orientation as well as LiDAR classification methods on …
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Evaluating Marsh Restoration Success Using Structural and Trophic Metrics on Deer Island, MS
… have examined restored black needlerush (<em>Juncus roemerianus</em>) marshes, such as those found in Mississippi (MS), and how they affect faunal inhabitants.</p> <p>Restoration of <em>Juncus</em>-dominated marshes on Deer Island, MS sought to reestablish ecological functions with the …
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A systematic study of the South African genus Prionium (Thurniaceae)
… Cyperaceae (Eriophorum, Scirpus), Juncaceae (Juncus, Luzula) and Thurniaceae (Prionium).
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An Assessment of Floating Treatment Wetlands for Reducing Nutrient Loads from Agricultural Runoff in Coastal Virginia
… planted in cups supported by a Beemat, 2) Juncus effusus planted in cups supported by a Beemat, 3) a Beemat with no plants, and 4) no treatment (open-water). Performance was evaluated based on a 7-day hydraulic retention time (HRT). Pontederia cordata removed between 90.3% and 92.4% of …
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Surface water flow resistance due to emergent wetland vegetation
… flume was planted with mature common rush, Juncus effusus, a common emergent wetland plant. Three different flow rates (3, 4, and 5 L/s) and three different tailgate heights (0, 2.5, and 5 cm) were used to simulate a variety of wetland conditions. Plant spacing and clump diameter were varied …
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Symbiotic Associations and Pathogenic Potential of Vibrios In the North Inlet Estuary
… macrophytes Spartina alterniflora (Loisel) and Juncus roemerianus (Scheele) which form vast stands with robust, interconnecting root systems and contribute to sediment accretion, functioning to shape intertidal zones. Large stands of these grasses are punctuated by mud flats and infaunal burrows …
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Impacts of the Deepwater Horizon Oil Spill on Microbial-Mediated Cellulose Decomposition in Mississippi Gulf Coast Salt Marshes
… stands of <em>Spartina alterniflora</em> and <em>Juncus roemerianus</em> in 9 Mississippi Gulf Coast marshes exposed to differing oiling intensities<em>.</em> The cotton strip bioassay technique was used as a proxy for cellulose decomposition. In addition, rates of microbial respiration, fungal …
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Effects of Pier Shading on Salt Marsh Plants in Mississippi
… <em>Sporobolus alterniflorus</em> and <em>Juncus roemarianus</em>. Sample piers were selected in the three coastal counties of Mississippi and visited at two time periods (2006 and 2021). I focused on the use of irradiance measurements at pier sites to determine how piers affect the …
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The embryology of Prionium serratum (L.f.) Drege ex E.Mey. (Juncaceae:Cyperales) and its implications for the phylogeny of Cyperales
… helobial and embryogeny is of the Onagrad type, Juncus variation. The mature embryo is linear in shape and is embedded within the endosperm. The seed is trigonal, lacks processes and the seed coat is formed from both integuments. Germination is epigeal and the seedlings are of Type A. …
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Integrating Digital Aerial Photography and Lidar-Derived Information For Object-Based Coastal Tidal Marsh Classification Using Tree-Based Ensemble Algorithms
… exposed mudflats, salicornia/short spartina and juncus roemerianus. A high-resolution Digital Terrain Model (DTM) was first developed from LiDAR bare earth data, based on which topographic features including slope and aspect were extracted. All the LiDAR-derived altimetry and intensity data were …
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Spatial modeling and visualization of habitat response to hydrologic restoration in New England salt marshes
… Spartina alterniflora, Spartina patens, and Juncus gerardii, and brackish invasive species Phragmites austrahs, Typha angustifolia, and Lythrum salicaria .</p><p>The model was applied to spatial grids representing marsh area at four salt marsh sites with past or current impacts due to …
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Influence of plant species, location, and seasonality on rhizosphere bacterial communities in freshwater wetlands
… (Andropogon virginicus, Carex lurida, and Juncus effusus) had a distinct bacterial community structure in rhizosphere soils. Rhizosphere bacterial communities are affected by different plants and sites. Although the community diversity is not different for seasonal change, I found some …
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Influence of vegetation on sediment bacterial community structure, microbial enzyme activities and phosphorus retention in constructed freshwater wetlands
… using unvegetated or vegetated mesocosms with Juncus effusus, Carex lurida or Dichanthelium acuminatum var. acuminatum in monoculture or mixed culture. </p> <p>To study the influence of vegetation on the bacterial community structure and microbial enzyme activities, sediment samples were taken …
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Τυρφογένεση και εξελικτική πορεία τυρφώνων στην Ελλάδα
… οικολογικών συνθηκών, όπως Scirpus maritimus και Juncus maritimus, λόγω της υφαλμύρινσης του υδροφόρου ορίζοντα. Με βάση τα χαρακτηριστικά τυρφογένεσης στους τρεις τυρφώνες τροποποιήθηκαν οι δείκτες φάσεων, που χρησιμοποιούνται στη γεωλογία γαιανθράκων, έτσι ώστε να αντανακλούν καλύτερα τις …
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Bioprospecting of plants species with potential to uptake inorganic chemical species from gold mine tailings and acid mine drainage
… Cynodon dactylon, Typha capensis and Juncus effussus and Juncus lomatophyllus) has potential for use in the phytoextraction of inorganic contaminants from the AMD and gold mine tailings. Therefore, the study recommends detailed studies optimizing the species application in …
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Survey of the Fishes and Habitat in the Upper Moreau River, Perkins County, South Dakota
… vegetated with sedges Carrex spp. and rushes Juncus spp. and less than 50% were classified as unstable either year. Western silvery minnows, plains minnows, and flathead chubs were found throughout the river and ranged from 10 - 19% of the total catch. In 1996, these species were delisted in …
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Carbon and Nitrogen Dynamics of a Lagoon Salt Marsh in Davenport, California
… by 30.51% (<em>Distichlis</em>), 53.76% (<em>Juncus</em>), and 50.47% (<em>Typha</em>), respectively. Our data revealed no significant differences (P > 0.05) in methane efflux between treatments (oxidized vs. reduced) and all three halophytic zones. Based on our annual methane efflux data, it …